Release 0.6.0-beta.1

Minor grammatical fixes to README.md

.swift-version

@@ -1 +1 @@
-2.2-dev
+DEVELOPMENT-SNAPSHOT-2016-01-25-a

.travis.yml

@@ -0,0 +1,11 @@
+os:
+  - osx
+  - linux
+language: generic
+sudo: required
+dist: trusty
+osx_image: xcode7.2
+install:
+  - eval "$(curl -sL https://gist.githubusercontent.com/kylef/5c0475ff02b7c7671d2a/raw/02090c7ede5a637b76e6df1710e83cd0bbe7dcdf/swiftenv-install.sh)"
+script:
+- make test

Makefile

@@ -0,0 +1,7 @@
+stencil:
+	@echo "Building Stencil"
+	@swift build
+
+test: stencil
+	@echo "Running Tests"
+	@.build/debug/spectre-build

Package.swift

@@ -1,8 +1,11 @@
 import PackageDescription
 
 let package = Package(
-	name: "Stencil",
+  name: "Stencil",
-	dependencies: [
+  dependencies: [
-		.Package(url: "https://github.com/kylef/PathKit.git", majorVersion: 0, minor: 6),
+    .Package(url: "https://github.com/kylef/PathKit.git", majorVersion: 0, minor: 6),
-	]
+  ],
+  testDependencies: [
+    .Package(url: "https://github.com/kylef/spectre-build", majorVersion: 0),
+  ]
 )

README.md

@@ -1,6 +1,6 @@
 # Stencil
 
-[![Build Status](http://img.shields.io/circleci/project/kylef/Stencil/master.svg)](https://circleci.com/gh/kylef/Stencil)
+[![Build Status](https://travis-ci.org/kylef/Stencil.svg?branch=master)](https://travis-ci.org/kylef/Stencil)
 
 Stencil is a simple and powerful template language for Swift. It provides a
 syntax similar to Django and Mustache. If you're familiar with these, you will
@@ -25,8 +25,8 @@ let context = Context(dictionary: [
 ])
 
 do {
-  let template = Template(named: "template.stencil")
+  let template = try Template(named: "template.stencil")
-  let rendered = template.render(context)
+  let rendered = try template.render(context)
   print(rendered)
 } catch {
   print("Failed to render template \(error)")
@@ -73,8 +73,8 @@ following lookup:
 For example, if `people` was an array:
 
 ```html+django
-There are {{ people.count }} people, {{ people.first }} is first person.
+There are {{ people.count }} people. {{ people.first }} is the first person,
-Followed by {{ people.1 }}.
+followed by {{ people.1 }}.
 ```
 
 #### Filters
@@ -142,7 +142,7 @@ A for loop allows you to iterate over an array found by variable lookup.
 {% for item in items %}
   {{ item }}
 {% empty %}
-  There we're no items.
+  There were no items.
 {% endfor %}
 ```
 

Sources/Context.swift

@@ -1,15 +1,17 @@
 /// A container for template variables.
 public class Context {
-  var dictionaries:[[String: Any]]
+  var dictionaries: [[String: Any]]
+  let namespace: Namespace
 
-  /// Initialise a Context with a dictionary
+  /// Initialise a Context with an optional dictionary and optional namespace
-  public init(dictionary:[String: Any]) {
+  public init(dictionary: [String: Any]? = nil, namespace: Namespace = Namespace()) {
-    dictionaries = [dictionary]
+    if let dictionary = dictionary {
-  }
+      dictionaries = [dictionary]
+    } else {
+      dictionaries = []
+    }
 
-  /// Initialise an empty Context
+    self.namespace = namespace
-  public init() {
-    dictionaries = []
   }
 
   public subscript(key: String) -> Any? {
@@ -35,20 +37,19 @@ public class Context {
   }
 
   /// Push a new level into the Context
-  public func push(dictionary: [String: Any]? = nil) {
+  private func push(dictionary: [String: Any]? = nil) {
     dictionaries.append(dictionary ?? [:])
   }
 
   /// Pop the last level off of the Context
-  public func pop() -> [String: Any]? {
+  private func pop() -> [String: Any]? {
     return dictionaries.popLast()
   }
 
   /// Push a new level onto the context for the duration of the execution of the given closure
   public func push<Result>(dictionary: [String: Any]? = nil, @noescape closure: (() throws -> Result)) rethrows -> Result {
     push(dictionary)
-    let result = try closure()
+    defer { pop() }
-    pop()
+    return try closure()
-    return result
   }
 }

Sources/ForTag.swift

@@ -0,0 +1,62 @@
+public class ForNode : NodeType {
+  let variable:Variable
+  let loopVariable:String
+  let nodes:[NodeType]
+  let emptyNodes: [NodeType]
+
+  public class func parse(parser:TokenParser, token:Token) throws -> NodeType {
+    let components = token.components()
+
+    guard components.count == 4 && components[2] == "in" else {
+      throw TemplateSyntaxError("'for' statements should use the following 'for x in y' `\(token.contents)`.")
+    }
+
+    let loopVariable = components[1]
+    let variable = components[3]
+
+    var emptyNodes = [NodeType]()
+
+    let forNodes = try parser.parse(until(["endfor", "empty"]))
+
+    guard let token = parser.nextToken() else {
+      throw TemplateSyntaxError("`endfor` was not found.")
+    }
+
+    if token.contents == "empty" {
+      emptyNodes = try parser.parse(until(["endfor"]))
+      parser.nextToken()
+    }
+
+    return ForNode(variable: variable, loopVariable: loopVariable, nodes: forNodes, emptyNodes:emptyNodes)
+  }
+
+  public init(variable:String, loopVariable:String, nodes:[NodeType], emptyNodes:[NodeType]) {
+    self.variable = Variable(variable)
+    self.loopVariable = loopVariable
+    self.nodes = nodes
+    self.emptyNodes = emptyNodes
+  }
+
+  public func render(context: Context) throws -> String {
+    let values = try variable.resolve(context)
+
+    if let values = values as? [Any] where values.count > 0 {
+      let count = values.count
+      return try values.enumerate().map { index, item in
+        let forContext: [String: Any] = [
+          "first": index == 0,
+          "last": index == (count - 1),
+          "counter": index + 1,
+        ]
+
+        return try context.push([loopVariable: item, "forloop": forContext]) {
+          try renderNodes(nodes, context)
+        }
+      }.joinWithSeparator("")
+    }
+
+    return try context.push {
+      try renderNodes(emptyNodes, context)
+    }
+  }
+}

Sources/IfTag.swift

@@ -0,0 +1,78 @@
+public class IfNode : NodeType {
+  public let variable:Variable
+  public let trueNodes:[NodeType]
+  public let falseNodes:[NodeType]
+
+  public class func parse(parser:TokenParser, token:Token) throws -> NodeType {
+    let components = token.components()
+    guard components.count == 2 else {
+      throw TemplateSyntaxError("'if' statements should use the following 'if condition' `\(token.contents)`.")
+    }
+    let variable = components[1]
+    var trueNodes = [NodeType]()
+    var falseNodes = [NodeType]()
+
+    trueNodes = try parser.parse(until(["endif", "else"]))
+
+    guard let token = parser.nextToken() else {
+      throw TemplateSyntaxError("`endif` was not found.")
+    }
+
+    if token.contents == "else" {
+      falseNodes = try parser.parse(until(["endif"]))
+      parser.nextToken()
+    }
+
+    return IfNode(variable: variable, trueNodes: trueNodes, falseNodes: falseNodes)
+  }
+
+  public class func parse_ifnot(parser:TokenParser, token:Token) throws -> NodeType {
+    let components = token.components()
+    guard components.count == 2 else {
+      throw TemplateSyntaxError("'ifnot' statements should use the following 'if condition' `\(token.contents)`.")
+    }
+    let variable = components[1]
+    var trueNodes = [NodeType]()
+    var falseNodes = [NodeType]()
+
+    falseNodes = try parser.parse(until(["endif", "else"]))
+
+    guard let token = parser.nextToken() else {
+      throw TemplateSyntaxError("`endif` was not found.")
+    }
+
+    if token.contents == "else" {
+      trueNodes = try parser.parse(until(["endif"]))
+      parser.nextToken()
+    }
+
+    return IfNode(variable: variable, trueNodes: trueNodes, falseNodes: falseNodes)
+  }
+
+  public init(variable:String, trueNodes:[NodeType], falseNodes:[NodeType]) {
+    self.variable = Variable(variable)
+    self.trueNodes = trueNodes
+    self.falseNodes = falseNodes
+  }
+
+  public func render(context: Context) throws -> String {
+    let result = try variable.resolve(context)
+    var truthy = false
+
+    if let result = result as? [Any] {
+      truthy = !result.isEmpty
+    } else if let result = result as? [String:Any] {
+      truthy = !result.isEmpty
+    } else if result != nil {
+      truthy = true
+    }
+
+    return try context.push {
+      if truthy {
+        return try renderNodes(trueNodes, context)
+      } else {
+        return try renderNodes(falseNodes, context)
+      }
+    }
+  }
+}

Sources/Info.plist

@@ -1,28 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>CFBundleDevelopmentRegion</key>
-	<string>en</string>
-	<key>CFBundleExecutable</key>
-	<string>$(EXECUTABLE_NAME)</string>
-	<key>CFBundleIdentifier</key>
-	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
-	<key>CFBundleInfoDictionaryVersion</key>
-	<string>6.0</string>
-	<key>CFBundleName</key>
-	<string>$(PRODUCT_NAME)</string>
-	<key>CFBundlePackageType</key>
-	<string>FMWK</string>
-	<key>CFBundleShortVersionString</key>
-	<string>1.0</string>
-	<key>CFBundleSignature</key>
-	<string>????</string>
-	<key>CFBundleVersion</key>
-	<string>$(CURRENT_PROJECT_VERSION)</string>
-	<key>NSHumanReadableCopyright</key>
-	<string>Copyright © 2014 Cocode. All rights reserved.</string>
-	<key>NSPrincipalClass</key>
-	<string></string>
-</dict>
-</plist>

Sources/Inheritence.swift

@@ -74,10 +74,9 @@ class ExtendsNode : NodeType {
     }
 
     let blockContext = BlockContext(blocks: blocks)
-    context.push([BlockContext.contextKey: blockContext])
+    return try context.push([BlockContext.contextKey: blockContext]) {
-    let result = try template.render(context)
+      return try template.render(context)
-    context.pop()
+    }
-    return result
   }
 }
 

Sources/Namespace.swift

@@ -13,7 +13,9 @@ public class Namespace {
     registerTag("for", parser: ForNode.parse)
     registerTag("if", parser: IfNode.parse)
     registerTag("ifnot", parser: IfNode.parse_ifnot)
+#if !os(Linux)
     registerTag("now", parser: NowNode.parse)
+#endif
     registerTag("include", parser: IncludeNode.parse)
     registerTag("extends", parser: ExtendsNode.parse)
     registerTag("block", parser: BlockNode.parse)

Sources/Node.swift

@@ -1,5 +1,6 @@
 import Foundation
 
+
 public struct TemplateSyntaxError : ErrorType, Equatable, CustomStringConvertible {
   public let description:String
 
@@ -8,15 +9,18 @@ public struct TemplateSyntaxError : ErrorType, Equatable, CustomStringConvertibl
   }
 }
 
+
 public func ==(lhs:TemplateSyntaxError, rhs:TemplateSyntaxError) -> Bool {
   return lhs.description == rhs.description
 }
 
+
 public protocol NodeType {
   /// Render the node in the given context
   func render(context:Context) throws -> String
 }
 
+
 /// Render the collection of nodes in the given context
 public func renderNodes(nodes:[NodeType], _ context:Context) throws -> String {
   return try nodes.map { try $0.render(context) }.joinWithSeparator("")
@@ -34,6 +38,7 @@ public class SimpleNode : NodeType {
   }
 }
 
+
 public class TextNode : NodeType {
   public let text:String
 
@@ -46,10 +51,12 @@ public class TextNode : NodeType {
   }
 }
 
+
 public protocol Resolvable {
   func resolve(context: Context) throws -> Any?
 }
 
+
 public class VariableNode : NodeType {
   public let variable: Resolvable
 
@@ -75,187 +82,3 @@ public class VariableNode : NodeType {
     return ""
   }
 }
-
-public class NowNode : NodeType {
-  public let format:Variable
-
-  public class func parse(parser:TokenParser, token:Token) throws -> NodeType {
-    var format:Variable?
-
-    let components = token.components()
-    guard components.count <= 2 else {
-      throw TemplateSyntaxError("'now' tags may only have one argument: the format string `\(token.contents)`.")
-    }
-    if components.count == 2 {
-      format = Variable(components[1])
-    }
-
-    return NowNode(format:format)
-  }
-
-  public init(format:Variable?) {
-    self.format = format ?? Variable("\"yyyy-MM-dd 'at' HH:mm\"")
-  }
-
-  public func render(context: Context) throws -> String {
-    let date = NSDate()
-    let format = try self.format.resolve(context)
-    var formatter:NSDateFormatter?
-
-    if let format = format as? NSDateFormatter {
-      formatter = format
-    } else if let format = format as? String {
-      formatter = NSDateFormatter()
-      formatter!.dateFormat = format
-    } else {
-      return ""
-    }
-
-    return formatter!.stringFromDate(date)
-  }
-}
-
-public class ForNode : NodeType {
-  let variable:Variable
-  let loopVariable:String
-  let nodes:[NodeType]
-  let emptyNodes: [NodeType]
-
-  public class func parse(parser:TokenParser, token:Token) throws -> NodeType {
-    let components = token.components()
-
-    guard components.count == 4 && components[2] == "in" else {
-      throw TemplateSyntaxError("'for' statements should use the following 'for x in y' `\(token.contents)`.")
-    }
-
-    let loopVariable = components[1]
-    let variable = components[3]
-
-    var emptyNodes = [NodeType]()
-
-    let forNodes = try parser.parse(until(["endfor", "empty"]))
-
-    guard let token = parser.nextToken() else {
-      throw TemplateSyntaxError("`endfor` was not found.")
-    }
-
-    if token.contents == "empty" {
-      emptyNodes = try parser.parse(until(["endfor"]))
-      parser.nextToken()
-    }
-
-    return ForNode(variable: variable, loopVariable: loopVariable, nodes: forNodes, emptyNodes:emptyNodes)
-  }
-
-  public init(variable:String, loopVariable:String, nodes:[NodeType], emptyNodes:[NodeType]) {
-    self.variable = Variable(variable)
-    self.loopVariable = loopVariable
-    self.nodes = nodes
-    self.emptyNodes = emptyNodes
-  }
-
-  public func render(context: Context) throws -> String {
-    let values = try variable.resolve(context)
-
-    if let values = values as? [Any] where values.count > 0 {
-      let count = values.count
-      return try values.enumerate().map { index, item in
-        let forContext: [String: Any] = [
-          "first": index == 0,
-          "last": index == (count - 1),
-          "counter": index + 1,
-        ]
-
-        return try context.push([loopVariable: item, "forloop": forContext]) {
-          try renderNodes(nodes, context)
-        }
-      }.joinWithSeparator("")
-    }
-
-    return try context.push {
-      try renderNodes(emptyNodes, context)
-    }
-  }
-}
-
-public class IfNode : NodeType {
-  public let variable:Variable
-  public let trueNodes:[NodeType]
-  public let falseNodes:[NodeType]
-
-  public class func parse(parser:TokenParser, token:Token) throws -> NodeType {
-    let components = token.components()
-    guard components.count == 2 else {
-      throw TemplateSyntaxError("'if' statements should use the following 'if condition' `\(token.contents)`.")
-    }
-    let variable = components[1]
-    var trueNodes = [NodeType]()
-    var falseNodes = [NodeType]()
-
-    trueNodes = try parser.parse(until(["endif", "else"]))
-
-    guard let token = parser.nextToken() else {
-      throw TemplateSyntaxError("`endif` was not found.")
-    }
-
-    if token.contents == "else" {
-      falseNodes = try parser.parse(until(["endif"]))
-      parser.nextToken()
-    }
-
-    return IfNode(variable: variable, trueNodes: trueNodes, falseNodes: falseNodes)
-  }
-
-  public class func parse_ifnot(parser:TokenParser, token:Token) throws -> NodeType {
-    let components = token.components()
-    guard components.count == 2 else {
-      throw TemplateSyntaxError("'ifnot' statements should use the following 'if condition' `\(token.contents)`.")
-    }
-    let variable = components[1]
-    var trueNodes = [NodeType]()
-    var falseNodes = [NodeType]()
-
-    falseNodes = try parser.parse(until(["endif", "else"]))
-
-    guard let token = parser.nextToken() else {
-      throw TemplateSyntaxError("`endif` was not found.")
-    }
-
-    if token.contents == "else" {
-      trueNodes = try parser.parse(until(["endif"]))
-      parser.nextToken()
-    }
-
-    return IfNode(variable: variable, trueNodes: trueNodes, falseNodes: falseNodes)
-  }
-
-  public init(variable:String, trueNodes:[NodeType], falseNodes:[NodeType]) {
-    self.variable = Variable(variable)
-    self.trueNodes = trueNodes
-    self.falseNodes = falseNodes
-  }
-
-  public func render(context: Context) throws -> String {
-    let result = try variable.resolve(context)
-    var truthy = false
-
-    if let result = result as? [Any] {
-      truthy = !result.isEmpty
-    } else if let result = result as? [String:Any] {
-      truthy = !result.isEmpty
-    } else if result != nil {
-      truthy = true
-    }
-
-    context.push()
-    let output:String
-    if truthy {
-      output = try renderNodes(trueNodes, context)
-    } else {
-      output = try renderNodes(falseNodes, context)
-    }
-    context.pop()
-
-    return output
-  }
-}

Sources/NowTag.swift

@@ -0,0 +1,43 @@
+#if !os(Linux)
+import Foundation
+
+
+public class NowNode : NodeType {
+  public let format:Variable
+
+  public class func parse(parser:TokenParser, token:Token) throws -> NodeType {
+    var format:Variable?
+
+    let components = token.components()
+    guard components.count <= 2 else {
+      throw TemplateSyntaxError("'now' tags may only have one argument: the format string `\(token.contents)`.")
+    }
+    if components.count == 2 {
+      format = Variable(components[1])
+    }
+
+    return NowNode(format:format)
+  }
+
+  public init(format:Variable?) {
+    self.format = format ?? Variable("\"yyyy-MM-dd 'at' HH:mm\"")
+  }
+
+  public func render(context: Context) throws -> String {
+    let date = NSDate()
+    let format = try self.format.resolve(context)
+    var formatter:NSDateFormatter?
+
+    if let format = format as? NSDateFormatter {
+      formatter = format
+    } else if let format = format as? String {
+      formatter = NSDateFormatter()
+      formatter!.dateFormat = format
+    } else {
+      return ""
+    }
+
+    return formatter!.stringFromDate(date)
+  }
+}
+#endif

Sources/Template.swift

@@ -36,9 +36,10 @@ public class Template {
   }
 
   /// Render the given template
-  public func render(context: Context? = nil, namespace: Namespace? = nil) throws -> String {
+  public func render(context: Context? = nil) throws -> String {
-    let parser = TokenParser(tokens: tokens, namespace: namespace ?? Namespace())
+    let context = context ?? Context()
+    let parser = TokenParser(tokens: tokens, namespace: context.namespace)
     let nodes = try parser.parse()
-    return try renderNodes(nodes, context ?? Context())
+    return try renderNodes(nodes, context)
   }
 }

Sources/Variable.swift

@@ -56,11 +56,13 @@ public struct Variable : Equatable, Resolvable {
     }
 
     for bit in lookup() {
+      current = normalize(current)
+
       if let context = current as? Context {
         current = context[bit]
-      } else if let dictionary = resolveDictionary(current) {
+      } else if let dictionary = current as? [String: Any] {
         current = dictionary[bit]
-      } else if let array = resolveArray(current) {
+      } else if let array = current as? [Any] {
         if let index = Int(bit) {
           current = array[index]
         } else if bit == "first" {
@@ -90,50 +92,42 @@ public func ==(lhs: Variable, rhs: Variable) -> Bool {
 }
 
 
-func resolveDictionary(current: Any?) -> [String: Any]? {
-  switch current {
-  case let dictionary as [String: Any]:
-      return dictionary
-  case let dictionary as [String: AnyObject]:
-      var result: [String: Any] = [:]
-      for (k, v) in dictionary {
-          result[k] = v as Any
-      }
-      return result
-  case let dictionary as NSDictionary:
-      var result: [String: Any] = [:]
-      for (k, v) in dictionary {
-          if let k = k as? String {
-              result[k] = v as Any
-          }
-      }
-      return result
-  default:
-      return nil
-  }
-}
-
-func resolveArray(current: Any?) -> [Any]? {
-  switch current {
-  case let array as [Any]:
-      return array
-  case let array as [AnyObject]:
-      return array.map { $0 as Any }
-  case let array as NSArray:
-      return array.map { $0 as Any }
-  default:
-      return nil
-  }
-}
-
 func normalize(current: Any?) -> Any? {
-  if let array = resolveArray(current) {
+  if let current = current as? Normalizable {
-    return array
+    return current.normalize()
-  }
-
-  if let dictionary = resolveDictionary(current) {
-    return dictionary
   }
 
   return current
 }
+
+protocol Normalizable {
+  func normalize() -> Any?
+}
+
+extension Array : Normalizable {
+  func normalize() -> Any? {
+    return map { $0 as Any }
+  }
+}
+
+extension NSArray : Normalizable {
+  func normalize() -> Any? {
+    return map { $0 as Any }
+  }
+}
+
+extension Dictionary : Normalizable {
+  func normalize() -> Any? {
+    var dictionary: [String: Any] = [:]
+
+    for (key, value) in self {
+      if let key = key as? String {
+        dictionary[key] = Stencil.normalize(value)
+      } else if let key = key as? CustomStringConvertible {
+        dictionary[key.description] = Stencil.normalize(value)
+      }
+    }
+
+    return dictionary
+  }
+}

Stencil.podspec.json

@@ -1,6 +1,6 @@
 {
   "name": "Stencil",
-  "version": "0.5.2",
+  "version": "0.6.0-beta.1",
   "summary": "Stencil is a simple and powerful template language for Swift.",
   "homepage": "https://github.com/kylef/Stencil",
   "license": {
@@ -13,7 +13,7 @@
   "social_media_url": "http://twitter.com/kylefuller",
   "source": {
     "git": "https://github.com/kylef/Stencil.git",
-    "tag": "0.5.2"
+    "tag": "0.6.0-beta.1"
   },
   "source_files": [
     "Sources/*.swift"
@@ -25,16 +25,5 @@
   "requires_arc": true,
   "dependencies": {
     "PathKit": [ "~> 0.6.0" ]
-  },
-  "test_specification": {
-    "source_files": [
-      "Tests/*.swift",
-      "Tests/TemplateLoader/*.swift",
-      "Tests/Nodes/*.swift"
-    ],
-    "dependencies": {
-      "Spectre": [ "~> 0.5.0" ],
-      "PathKit": [ "~> 0.6.0" ]
-    }
   }
 }

Tests/ContextSpec.swift

@@ -2,64 +2,61 @@ import Spectre
 import Stencil
 
 
-describe("Context") {
+func testContext() {
-  var context: Context!
+  describe("Context") {
+    var context: Context!
 
-  $0.before {
+    $0.before {
-    context = Context(dictionary: ["name": "Kyle"])
+      context = Context(dictionary: ["name": "Kyle"])
-  }
+    }
 
-  $0.it("allows you to get a value via subscripting") {
+    $0.it("allows you to get a value via subscripting") {
-    try expect(context["name"] as? String) == "Kyle"
+      try expect(context["name"] as? String) == "Kyle"
-  }
+    }
 
-  $0.it("allows you to set a value via subscripting") {
+    $0.it("allows you to set a value via subscripting") {
-    context["name"] = "Katie"
+      context["name"] = "Katie"
 
-    try expect(context["name"] as? String) == "Katie"
-  }
-
-  $0.it("allows you to remove a value via subscripting") {
-    context["name"] = nil
-
-    try expect(context["name"]).to.beNil()
-  }
-
-  $0.it("allows you to retrieve a value from a parent") {
-    context.push()
-
-    try expect(context["name"] as? String) == "Kyle"
-  }
-
-  $0.it("allows you to override a parent's value") {
-    context.push()
-    context["name"] = "Katie"
-
-    try expect(context["name"] as? String) == "Katie"
-  }
-
-  $0.it("allows you to pop to restore previous state") {
-    context.push()
-    context["name"] = "Katie"
-    context.pop()
-
-    try expect(context["name"] as? String) == "Kyle"
-  }
-
-  $0.it("allows you to push a dictionary onto the stack") {
-    context.push(["name": "Katie"])
-    try expect(context["name"] as? String) == "Katie"
-  }
-
-  $0.it("allows you to push a dictionary and run a closure then restoring previous state") {
-    var didRun = false
-
-    try context.push(["name": "Katie"]) {
-      didRun = true
       try expect(context["name"] as? String) == "Katie"
     }
 
-    try expect(didRun).to.beTrue()
+    $0.it("allows you to remove a value via subscripting") {
-    try expect(context["name"] as? String) == "Kyle"
+      context["name"] = nil
+
+      try expect(context["name"]).to.beNil()
+    }
+
+    $0.it("allows you to retrieve a value from a parent") {
+      try context.push {
+        try expect(context["name"] as? String) == "Kyle"
+      }
+    }
+
+    $0.it("allows you to override a parent's value") {
+      try context.push {
+        context["name"] = "Katie"
+        try expect(context["name"] as? String) == "Katie"
+      }
+    }
+
+    $0.it("allows you to pop to restore previous state") {
+      context.push {
+        context["name"] = "Katie"
+      }
+
+      try expect(context["name"] as? String) == "Kyle"
+    }
+
+    $0.it("allows you to push a dictionary and run a closure then restoring previous state") {
+      var didRun = false
+
+      try context.push(["name": "Katie"]) {
+        didRun = true
+        try expect(context["name"] as? String) == "Katie"
+      }
+
+      try expect(didRun).to.beTrue()
+      try expect(context["name"] as? String) == "Kyle"
+    }
   }
 }

Tests/FilterSpec.swift

@@ -2,68 +2,69 @@ import Spectre
 import Stencil
 
 
-describe("template filters") {
+func testFilter() {
-  let context = Context(dictionary: ["name": "Kyle"])
+  describe("template filters") {
+    let context: [String: Any] = ["name": "Kyle"]
 
-  $0.it("allows you to register a custom filter") {
+    $0.it("allows you to register a custom filter") {
-    let template = Template(templateString: "{{ name|repeat }}")
+      let template = Template(templateString: "{{ name|repeat }}")
 
-    let namespace = Namespace()
+      let namespace = Namespace()
-    namespace.registerFilter("repeat") { value in
+      namespace.registerFilter("repeat") { value in
-      if let value = value as? String {
+        if let value = value as? String {
-        return "\(value) \(value)"
+          return "\(value) \(value)"
+        }
+
+        return nil
       }
 
-      return nil
+      let result = try template.render(Context(dictionary: context, namespace: namespace))
+      try expect(result) == "Kyle Kyle"
     }
 
-    let result = try template.render(context, namespace: namespace)
+    $0.it("allows you to register a custom which throws") {
-    try expect(result) == "Kyle Kyle"
+      let template = Template(templateString: "{{ name|repeat }}")
-  }
+      let namespace = Namespace()
+      namespace.registerFilter("repeat") { value in
+        throw TemplateSyntaxError("No Repeat")
+      }
 
-  $0.it("allows you to register a custom filter") {
+      try expect(try template.render(Context(dictionary: context, namespace: namespace))).toThrow(TemplateSyntaxError("No Repeat"))
-    let template = Template(templateString: "{{ name|repeat }}")
-    let namespace = Namespace()
-    namespace.registerFilter("repeat") { value in
-      throw TemplateSyntaxError("No Repeat")
     }
 
-    try expect(try template.render(context, namespace: namespace)).toThrow(TemplateSyntaxError("No Repeat"))
+    $0.it("allows whitespace in expression") {
+      let template = Template(templateString: "{{ name | uppercase }}")
+      let result = try template.render(Context(dictionary: ["name": "kyle"]))
+      try expect(result) == "KYLE"
+    }
   }
 
-  $0.it("allows whitespace in expression") {
+
-    let template = Template(templateString: "{{ name | uppercase }}")
+  describe("capitalize filter") {
-    let result = try template.render(Context(dictionary: ["name": "kyle"]))
+    let template = Template(templateString: "{{ name|capitalize }}")
-    try expect(result) == "KYLE"
+
-  }
+    $0.it("capitalizes a string") {
-}
+      let result = try template.render(Context(dictionary: ["name": "kyle"]))
-
+      try expect(result) == "Kyle"
-
+    }
-describe("capitalize filter") {
+  }
-  let template = Template(templateString: "{{ name|capitalize }}")
+
-
+
-  $0.it("capitalizes a string") {
+  describe("uppercase filter") {
-    let result = try template.render(Context(dictionary: ["name": "kyle"]))
+    let template = Template(templateString: "{{ name|uppercase }}")
-    try expect(result) == "Kyle"
+
-  }
+    $0.it("transforms a string to be uppercase") {
-}
+      let result = try template.render(Context(dictionary: ["name": "kyle"]))
-
+      try expect(result) == "KYLE"
-
+    }
-describe("uppercase filter") {
+  }
-  let template = Template(templateString: "{{ name|uppercase }}")
+
-
+  describe("lowercase filter") {
-  $0.it("transforms a string to be uppercase") {
+    let template = Template(templateString: "{{ name|lowercase }}")
-    let result = try template.render(Context(dictionary: ["name": "kyle"]))
+
-    try expect(result) == "KYLE"
+    $0.it("transforms a string to be lowercase") {
-  }
+      let result = try template.render(Context(dictionary: ["name": "Kyle"]))
-}
+      try expect(result) == "kyle"
-
+    }
-
-describe("lowercase filter") {
-  let template = Template(templateString: "{{ name|lowercase }}")
-
-  $0.it("transforms a string to be lowercase") {
-    let result = try template.render(Context(dictionary: ["name": "Kyle"]))
-    try expect(result) == "kyle"
   }
 }

Tests/LexerSpec.swift

@@ -2,47 +2,49 @@ import Spectre
 import Stencil
 
 
-describe("Lexer") {
+func testLexer() {
-  $0.it("can tokenize text") {
+  describe("Lexer") {
-    let lexer = Lexer(templateString: "Hello World")
+    $0.it("can tokenize text") {
-    let tokens = lexer.tokenize()
+      let lexer = Lexer(templateString: "Hello World")
+      let tokens = lexer.tokenize()
 
-    try expect(tokens.count) == 1
+      try expect(tokens.count) == 1
-    try expect(tokens.first) == Token.Text(value: "Hello World")
+      try expect(tokens.first) == Token.Text(value: "Hello World")
-  }
+    }
 
-  $0.it("can tokenize a comment") {
+    $0.it("can tokenize a comment") {
-    let lexer = Lexer(templateString: "{# Comment #}")
+      let lexer = Lexer(templateString: "{# Comment #}")
-    let tokens = lexer.tokenize()
+      let tokens = lexer.tokenize()
 
-    try expect(tokens.count) == (1)
+      try expect(tokens.count) == (1)
-    try expect(tokens.first) == Token.Comment(value: "Comment")
+      try expect(tokens.first) == Token.Comment(value: "Comment")
-  }
+    }
 
-  $0.it("can tokenize a variable") {
+    $0.it("can tokenize a variable") {
-    let lexer = Lexer(templateString: "{{ Variable }}")
+      let lexer = Lexer(templateString: "{{ Variable }}")
-    let tokens = lexer.tokenize()
+      let tokens = lexer.tokenize()
 
-    try expect(tokens.count) == 1
+      try expect(tokens.count) == 1
-    try expect(tokens.first) == Token.Variable(value: "Variable")
+      try expect(tokens.first) == Token.Variable(value: "Variable")
-  }
+    }
 
-  $0.it("can tokenize a mixture of content") {
+    $0.it("can tokenize a mixture of content") {
-    let lexer = Lexer(templateString: "My name is {{ name }}.")
+      let lexer = Lexer(templateString: "My name is {{ name }}.")
-    let tokens = lexer.tokenize()
+      let tokens = lexer.tokenize()
 
-    try expect(tokens.count) == 3
+      try expect(tokens.count) == 3
-    try expect(tokens[0]) == Token.Text(value: "My name is ")
+      try expect(tokens[0]) == Token.Text(value: "My name is ")
-    try expect(tokens[1]) == Token.Variable(value: "name")
+      try expect(tokens[1]) == Token.Variable(value: "name")
-    try expect(tokens[2]) == Token.Text(value: ".")
+      try expect(tokens[2]) == Token.Text(value: ".")
-  }
+    }
 
-  $0.it("can tokenize two variables without being greedy") {
+    $0.it("can tokenize two variables without being greedy") {
-    let lexer = Lexer(templateString: "{{ thing }}{{ name }}")
+      let lexer = Lexer(templateString: "{{ thing }}{{ name }}")
-    let tokens = lexer.tokenize()
+      let tokens = lexer.tokenize()
 
-    try expect(tokens.count) == 2
+      try expect(tokens.count) == 2
-    try expect(tokens[0]) == Token.Variable(value: "thing")
+      try expect(tokens[0]) == Token.Variable(value: "thing")
-    try expect(tokens[1]) == Token.Variable(value: "name")
+      try expect(tokens[1]) == Token.Variable(value: "name")
+    }
   }
 }

Tests/Nodes/ForNodeSpec.swift

@@ -3,60 +3,64 @@ import Stencil
 import Foundation
 
 
-describe("ForNode") {
+func testForNode() {
-  let context = Context(dictionary: [
+  describe("ForNode") {
-    "items": [1, 2, 3],
+    let context = Context(dictionary: [
-    "emptyItems": [Int](),
+      "items": [1, 2, 3],
-  ])
+      "emptyItems": [Int](),
+    ])
 
-  $0.it("renders the given nodes for each item") {
+    $0.it("renders the given nodes for each item") {
-    let nodes: [NodeType] = [VariableNode(variable: "item")]
+      let nodes: [NodeType] = [VariableNode(variable: "item")]
-    let node = ForNode(variable: "items", loopVariable: "item", nodes: nodes, emptyNodes: [])
+      let node = ForNode(variable: "items", loopVariable: "item", nodes: nodes, emptyNodes: [])
-    try expect(try node.render(context)) == "123"
+      try expect(try node.render(context)) == "123"
-  }
+    }
 
-  $0.it("renders the given empty nodes when no items found item") {
+    $0.it("renders the given empty nodes when no items found item") {
-    let nodes: [NodeType] = [VariableNode(variable: "item")]
+      let nodes: [NodeType] = [VariableNode(variable: "item")]
-    let emptyNodes: [NodeType] = [TextNode(text: "empty")]
+      let emptyNodes: [NodeType] = [TextNode(text: "empty")]
-    let node = ForNode(variable: "emptyItems", loopVariable: "item", nodes: nodes, emptyNodes: emptyNodes)
+      let node = ForNode(variable: "emptyItems", loopVariable: "item", nodes: nodes, emptyNodes: emptyNodes)
-    try expect(try node.render(context)) == "empty"
+      try expect(try node.render(context)) == "empty"
-  }
+    }
 
-  $0.it("renders a context variable of type Array<Any>") {
+    $0.it("renders a context variable of type Array<Any>") {
-    let any_context = Context(dictionary: [
+      let any_context = Context(dictionary: [
         "items": ([1, 2, 3] as [Any])
       ])
 
-    let nodes: [NodeType] = [VariableNode(variable: "item")]
+      let nodes: [NodeType] = [VariableNode(variable: "item")]
-    let node = ForNode(variable: "items", loopVariable: "item", nodes: nodes, emptyNodes: [])
+      let node = ForNode(variable: "items", loopVariable: "item", nodes: nodes, emptyNodes: [])
-    try expect(try node.render(any_context)) == "123" 
+      try expect(try node.render(any_context)) == "123" 
-  }
+    }
 
-  $0.it("renders a context variable of type NSArray") {
+#if os(OSX)
-    let nsarray_context = Context(dictionary: [
+    $0.it("renders a context variable of type NSArray") {
+      let nsarray_context = Context(dictionary: [
         "items": NSArray(array: [1, 2, 3])
       ])
 
-    let nodes: [NodeType] = [VariableNode(variable: "item")]
+      let nodes: [NodeType] = [VariableNode(variable: "item")]
-    let node = ForNode(variable: "items", loopVariable: "item", nodes: nodes, emptyNodes: [])
+      let node = ForNode(variable: "items", loopVariable: "item", nodes: nodes, emptyNodes: [])
-    try expect(try node.render(nsarray_context)) == "123" 
+      try expect(try node.render(nsarray_context)) == "123"
-  }
+    }
+#endif
 
-  $0.it("renders the given nodes while providing if the item is first in the context") {
+    $0.it("renders the given nodes while providing if the item is first in the context") {
-    let nodes: [NodeType] = [VariableNode(variable: "item"), VariableNode(variable: "forloop.first")]
+      let nodes: [NodeType] = [VariableNode(variable: "item"), VariableNode(variable: "forloop.first")]
-    let node = ForNode(variable: "items", loopVariable: "item", nodes: nodes, emptyNodes: [])
+      let node = ForNode(variable: "items", loopVariable: "item", nodes: nodes, emptyNodes: [])
-    try expect(try node.render(context)) == "1true2false3false"
+      try expect(try node.render(context)) == "1true2false3false"
-  }
+    }
 
-  $0.it("renders the given nodes while providing if the item is last in the context") {
+    $0.it("renders the given nodes while providing if the item is last in the context") {
-    let nodes: [NodeType] = [VariableNode(variable: "item"), VariableNode(variable: "forloop.last")]
+      let nodes: [NodeType] = [VariableNode(variable: "item"), VariableNode(variable: "forloop.last")]
-    let node = ForNode(variable: "items", loopVariable: "item", nodes: nodes, emptyNodes: [])
+      let node = ForNode(variable: "items", loopVariable: "item", nodes: nodes, emptyNodes: [])
-    try expect(try node.render(context)) == "1false2false3true"
+      try expect(try node.render(context)) == "1false2false3true"
-  }
+    }
 
-  $0.it("renders the given nodes while providing item counter") {
+    $0.it("renders the given nodes while providing item counter") {
-    let nodes: [NodeType] = [VariableNode(variable: "item"), VariableNode(variable: "forloop.counter")]
+      let nodes: [NodeType] = [VariableNode(variable: "item"), VariableNode(variable: "forloop.counter")]
-    let node = ForNode(variable: "items", loopVariable: "item", nodes: nodes, emptyNodes: [])
+      let node = ForNode(variable: "items", loopVariable: "item", nodes: nodes, emptyNodes: [])
-    try expect(try node.render(context)) == "112233"
+      try expect(try node.render(context)) == "112233"
+    }
   }
 }

Tests/Nodes/IfNodeSpec.swift

@@ -1,113 +1,116 @@
 import Spectre
 import Stencil
 
-describe("IfNode") {
-  $0.describe("parsing") {
-    $0.it("can parse an if block") {
-      let tokens = [
-        Token.Block(value: "if value"),
-        Token.Text(value: "true"),
-        Token.Block(value: "else"),
-        Token.Text(value: "false"),
-        Token.Block(value: "endif")
-      ]
 
-      let parser = TokenParser(tokens: tokens, namespace: Namespace())
+func testIfNode() {
-      let nodes = try parser.parse()
+  describe("IfNode") {
-      let node = nodes.first as? IfNode
+    $0.describe("parsing") {
-      let trueNode = node?.trueNodes.first as? TextNode
+      $0.it("can parse an if block") {
-      let falseNode = node?.falseNodes.first as? TextNode
+        let tokens = [
+          Token.Block(value: "if value"),
+          Token.Text(value: "true"),
+          Token.Block(value: "else"),
+          Token.Text(value: "false"),
+          Token.Block(value: "endif")
+        ]
 
-      try expect(nodes.count) == 1
+        let parser = TokenParser(tokens: tokens, namespace: Namespace())
-      try expect(node?.variable.variable) == "value"
+        let nodes = try parser.parse()
-      try expect(node?.trueNodes.count) == 1
+        let node = nodes.first as? IfNode
-      try expect(trueNode?.text) == "true"
+        let trueNode = node?.trueNodes.first as? TextNode
-      try expect(node?.falseNodes.count) == 1
+        let falseNode = node?.falseNodes.first as? TextNode
-      try expect(falseNode?.text) == "false"
+
+        try expect(nodes.count) == 1
+        try expect(node?.variable.variable) == "value"
+        try expect(node?.trueNodes.count) == 1
+        try expect(trueNode?.text) == "true"
+        try expect(node?.falseNodes.count) == 1
+        try expect(falseNode?.text) == "false"
+      }
+
+      $0.it("can parse an ifnot block") {
+        let tokens = [
+          Token.Block(value: "ifnot value"),
+          Token.Text(value: "false"),
+          Token.Block(value: "else"),
+          Token.Text(value: "true"),
+          Token.Block(value: "endif")
+        ]
+
+        let parser = TokenParser(tokens: tokens, namespace: Namespace())
+        let nodes = try parser.parse()
+        let node = nodes.first as? IfNode
+        let trueNode = node?.trueNodes.first as? TextNode
+        let falseNode = node?.falseNodes.first as? TextNode
+
+        try expect(nodes.count) == 1
+        try expect(node?.variable.variable) == "value"
+        try expect(node?.trueNodes.count) == 1
+        try expect(trueNode?.text) == "true"
+        try expect(node?.falseNodes.count) == 1
+        try expect(falseNode?.text) == "false"
+      }
+
+      $0.it("throws an error when parsing an if block without an endif") {
+        let tokens = [
+          Token.Block(value: "if value"),
+        ]
+
+        let parser = TokenParser(tokens: tokens, namespace: Namespace())
+        let error = TemplateSyntaxError("`endif` was not found.")
+        try expect(try parser.parse()).toThrow(error)
+      }
+
+      $0.it("throws an error when parsing an ifnot without an endif") {
+        let tokens = [
+          Token.Block(value: "ifnot value"),
+        ]
+
+        let parser = TokenParser(tokens: tokens, namespace: Namespace())
+        let error = TemplateSyntaxError("`endif` was not found.")
+        try expect(try parser.parse()).toThrow(error)
+      }
     }
 
-    $0.it("can parse an ifnot block") {
+    $0.describe("rendering") {
-      let tokens = [
+      let context = Context(dictionary: ["items": true])
-        Token.Block(value: "ifnot value"),
-        Token.Text(value: "false"),
-        Token.Block(value: "else"),
-        Token.Text(value: "true"),
-        Token.Block(value: "endif")
-      ]
 
-      let parser = TokenParser(tokens: tokens, namespace: Namespace())
+      $0.it("renders the truth when expression evaluates to true") {
-      let nodes = try parser.parse()
+        let node = IfNode(variable: "items", trueNodes: [TextNode(text: "true")], falseNodes: [TextNode(text: "false")])
-      let node = nodes.first as? IfNode
+        try expect(try node.render(context)) == "true"
-      let trueNode = node?.trueNodes.first as? TextNode
+      }
-      let falseNode = node?.falseNodes.first as? TextNode
 
-      try expect(nodes.count) == 1
+      $0.it("renders the false when expression evaluates to false") {
-      try expect(node?.variable.variable) == "value"
+        let node = IfNode(variable: "unknown", trueNodes: [TextNode(text: "true")], falseNodes: [TextNode(text: "false")])
-      try expect(node?.trueNodes.count) == 1
+        try expect(try node.render(context)) == "false"
-      try expect(trueNode?.text) == "true"
+      }
-      try expect(node?.falseNodes.count) == 1
-      try expect(falseNode?.text) == "false"
-    }
 
-    $0.it("throws an error when parsing an if block without an endif") {
+      $0.it("renders the truth when array expression is not empty") {
-      let tokens = [
+        let items: [[String: Any]] = [["key":"key1","value":42],["key":"key2","value":1337]]
-        Token.Block(value: "if value"),
+        let arrayContext = Context(dictionary: ["items": [items]])
-      ]
+        let node = IfNode(variable: "items", trueNodes: [TextNode(text: "true")], falseNodes: [TextNode(text: "false")])
+        try expect(try node.render(arrayContext)) == "true"
+      }
 
-      let parser = TokenParser(tokens: tokens, namespace: Namespace())
+      $0.it("renders the false when array expression is empty") {
-      let error = TemplateSyntaxError("`endif` was not found.")
+        let emptyItems = [[String: Any]]()
-      try expect(try parser.parse()).toThrow(error)
+        let arrayContext = Context(dictionary: ["items": emptyItems])
-    }
+        let node = IfNode(variable: "items", trueNodes: [TextNode(text: "true")], falseNodes: [TextNode(text: "false")])
+        try expect(try node.render(arrayContext)) == "false"
+      }
 
-    $0.it("throws an error when parsing an ifnot without an endif") {
+      $0.it("renders the false when dictionary expression is empty") {
-      let tokens = [
+        let emptyItems = [String:Any]()
-        Token.Block(value: "ifnot value"),
+        let arrayContext = Context(dictionary: ["items": emptyItems])
-      ]
+        let node = IfNode(variable: "items", trueNodes: [TextNode(text: "true")], falseNodes: [TextNode(text: "false")])
+        try expect(try node.render(arrayContext)) == "false"
+      }
 
-      let parser = TokenParser(tokens: tokens, namespace: Namespace())
+      $0.it("renders the false when Array<Any> variable is empty") {
-      let error = TemplateSyntaxError("`endif` was not found.")
+        let arrayContext = Context(dictionary: ["items": ([] as [Any])])
-      try expect(try parser.parse()).toThrow(error)
+        let node = IfNode(variable: "items", trueNodes: [TextNode(text: "true")], falseNodes: [TextNode(text: "false")])
-    }
+        try expect(try node.render(arrayContext)) == "false"
-  }
+      }
-
-  $0.describe("rendering") {
-    let context = Context(dictionary: ["items": true])
-
-    $0.it("renders the truth when expression evaluates to true") {
-      let node = IfNode(variable: "items", trueNodes: [TextNode(text: "true")], falseNodes: [TextNode(text: "false")])
-      try expect(try node.render(context)) == "true"
-    }
-
-    $0.it("renders the false when expression evaluates to false") {
-      let node = IfNode(variable: "unknown", trueNodes: [TextNode(text: "true")], falseNodes: [TextNode(text: "false")])
-      try expect(try node.render(context)) == "false"
-    }
-
-    $0.it("renders the truth when array expression is not empty") {
-      let items: Array<[String:AnyObject]> = [["key":"key1","value":42],["key":"key2","value":1337]]
-      let arrayContext = Context(dictionary: ["items": [items]])
-      let node = IfNode(variable: "items", trueNodes: [TextNode(text: "true")], falseNodes: [TextNode(text: "false")])
-      try expect(try node.render(arrayContext)) == "true"
-    }
-
-    $0.it("renders the false when array expression is empty") {
-      let emptyItems = Array<[String:AnyObject]>()
-      let arrayContext = Context(dictionary: ["items": emptyItems])
-      let node = IfNode(variable: "items", trueNodes: [TextNode(text: "true")], falseNodes: [TextNode(text: "false")])
-      try expect(try node.render(arrayContext)) == "false"
-    }
-
-    $0.it("renders the false when dictionary expression is empty") {
-      let emptyItems = [String:AnyObject]()
-      let arrayContext = Context(dictionary: ["items": emptyItems])
-      let node = IfNode(variable: "items", trueNodes: [TextNode(text: "true")], falseNodes: [TextNode(text: "false")])
-      try expect(try node.render(arrayContext)) == "false"
-    }
-
-    $0.it("renders the false when Array<Any> variable is empty") {
-      let arrayContext = Context(dictionary: ["items": ([] as [Any])])
-      let node = IfNode(variable: "items", trueNodes: [TextNode(text: "true")], falseNodes: [TextNode(text: "false")])
-      try expect(try node.render(arrayContext)) == "false"
     }
   }
 }

Tests/Nodes/NodeSpec.swift

@@ -9,50 +9,52 @@ class ErrorNode : NodeType {
 }
 
 
-describe("Node") {
+func testNode() {
-  let context = Context(dictionary: [
+  describe("Node") {
-    "name": "Kyle",
+    let context = Context(dictionary: [
-    "age": 27,
+      "name": "Kyle",
-    "items": [1, 2, 3],
+      "age": 27,
-  ])
+      "items": [1, 2, 3],
+    ])
 
-  $0.describe("TextNode") {
+    $0.describe("TextNode") {
-    $0.it("renders the given text") {
+      $0.it("renders the given text") {
-      let node = TextNode(text: "Hello World")
+        let node = TextNode(text: "Hello World")
-      try expect(try node.render(context)) == "Hello World"
+        try expect(try node.render(context)) == "Hello World"
-    }
+      }
-  }
-
-  $0.describe("VariableNode") {
-    $0.it("resolves and renders the variable") {
-      let node = VariableNode(variable: Variable("name"))
-      try expect(try node.render(context)) == "Kyle"
     }
 
-    $0.it("resolves and renders a non string variable") {
+    $0.describe("VariableNode") {
-      let node = VariableNode(variable: Variable("age"))
+      $0.it("resolves and renders the variable") {
-      try expect(try node.render(context)) == "27"
+        let node = VariableNode(variable: Variable("name"))
-    }
+        try expect(try node.render(context)) == "Kyle"
-  }
+      }
 
-  $0.describe("rendering nodes") {
+      $0.it("resolves and renders a non string variable") {
-    $0.it("renders the nodes") {
+        let node = VariableNode(variable: Variable("age"))
-      let nodes: [NodeType] = [
+        try expect(try node.render(context)) == "27"
-        TextNode(text:"Hello "),
+      }
-        VariableNode(variable: "name"),
-      ]
-
-      try expect(try renderNodes(nodes, context)) == "Hello Kyle"
     }
 
-    $0.it("correctly throws a nodes failure") {
+    $0.describe("rendering nodes") {
-      let nodes: [NodeType] = [
+      $0.it("renders the nodes") {
-        TextNode(text:"Hello "),
+        let nodes: [NodeType] = [
-        VariableNode(variable: "name"),
+          TextNode(text:"Hello "),
-        ErrorNode(),
+          VariableNode(variable: "name"),
-      ]
+        ]
 
-      try expect(try renderNodes(nodes, context)).toThrow(TemplateSyntaxError("Custom Error"))
+        try expect(try renderNodes(nodes, context)) == "Hello Kyle"
+      }
+
+      $0.it("correctly throws a nodes failure") {
+        let nodes: [NodeType] = [
+          TextNode(text:"Hello "),
+          VariableNode(variable: "name"),
+          ErrorNode(),
+        ]
+
+        try expect(try renderNodes(nodes, context)).toThrow(TemplateSyntaxError("Custom Error"))
+      }
     }
   }
 }

Tests/Nodes/NowNodeSpec.swift

@@ -3,37 +3,41 @@ import Spectre
 import Stencil
 
 
-describe("NowNode") {
+func testNowNode() {
-  $0.describe("parsing") {
+#if !os(Linux)
-    $0.it("parses default format without any now arguments") {
+  describe("NowNode") {
-      let tokens = [ Token.Block(value: "now") ]
+    $0.describe("parsing") {
-      let parser = TokenParser(tokens: tokens, namespace: Namespace())
+      $0.it("parses default format without any now arguments") {
+        let tokens = [ Token.Block(value: "now") ]
+        let parser = TokenParser(tokens: tokens, namespace: Namespace())
 
-      let nodes = try parser.parse()
+        let nodes = try parser.parse()
-      let node = nodes.first as? NowNode
+        let node = nodes.first as? NowNode
-      try expect(nodes.count) == 1
+        try expect(nodes.count) == 1
-      try expect(node?.format.variable) == "\"yyyy-MM-dd 'at' HH:mm\""
+        try expect(node?.format.variable) == "\"yyyy-MM-dd 'at' HH:mm\""
+      }
+
+      $0.it("parses now with a format") {
+        let tokens = [ Token.Block(value: "now \"HH:mm\"") ]
+        let parser = TokenParser(tokens: tokens, namespace: Namespace())
+        let nodes = try parser.parse()
+        let node = nodes.first as? NowNode
+        try expect(nodes.count) == 1
+        try expect(node?.format.variable) == "\"HH:mm\""
+      }
     }
 
-    $0.it("parses now with a format") {
+    $0.describe("rendering") {
-      let tokens = [ Token.Block(value: "now \"HH:mm\"") ]
+      $0.it("renders the date") {
-      let parser = TokenParser(tokens: tokens, namespace: Namespace())
+        let node = NowNode(format: Variable("\"yyyy-MM-dd\""))
-      let nodes = try parser.parse()
+
-      let node = nodes.first as? NowNode
+        let formatter = NSDateFormatter()
-      try expect(nodes.count) == 1
+        formatter.dateFormat = "yyyy-MM-dd"
-      try expect(node?.format.variable) == "\"HH:mm\""
+        let date = formatter.stringFromDate(NSDate())
-    }
+
-  }
+        try expect(try node.render(Context())) == date
-
+      }
-  $0.describe("rendering") {
-    $0.it("renders the date") {
-      let node = NowNode(format: Variable("\"yyyy-MM-dd\""))
-
-      let formatter = NSDateFormatter()
-      formatter.dateFormat = "yyyy-MM-dd"
-      let date = formatter.stringFromDate(NSDate())
-
-      try expect(try node.render(Context())) == date
     }
   }
+#endif
 }

Tests/ParserSpec.swift

@@ -2,54 +2,61 @@ import Spectre
 import Stencil
 
 
-describe("TokenParser") {
+func testTokenParser() {
-  $0.it("can parse a text token") {
+  describe("TokenParser") {
-    let parser = TokenParser(tokens: [
+    $0.it("can parse a text token") {
-      Token.Text(value: "Hello World")
+      let parser = TokenParser(tokens: [
-    ], namespace: Namespace())
+        Token.Text(value: "Hello World")
+      ], namespace: Namespace())
 
-    let nodes = try parser.parse()
+      let nodes = try parser.parse()
-    let node = nodes.first as? TextNode
+      let node = nodes.first as? TextNode
 
-    try expect(nodes.count) == 1
+      try expect(nodes.count) == 1
-    try expect(node?.text) == "Hello World"
+      try expect(node?.text) == "Hello World"
-  }
+    }
 
-  $0.it("can parse a variable token") {
+    $0.it("can parse a variable token") {
-    let parser = TokenParser(tokens: [
+      let parser = TokenParser(tokens: [
-      Token.Variable(value: "'name'")
+        Token.Variable(value: "'name'")
-    ], namespace: Namespace())
+      ], namespace: Namespace())
 
-    let nodes = try parser.parse()
+      let nodes = try parser.parse()
-    let node = nodes.first as? VariableNode
+      let node = nodes.first as? VariableNode
-    try expect(nodes.count) == 1
+      try expect(nodes.count) == 1
-    let result = try node?.render(Context())
+      let result = try node?.render(Context())
-    try expect(result) == "name"
+      try expect(result) == "name"
-  }
+    }
 
-  $0.it("can parse a comment token") {
+    $0.it("can parse a comment token") {
-    let parser = TokenParser(tokens: [
+      let parser = TokenParser(tokens: [
-      Token.Comment(value: "Secret stuff!")
+        Token.Comment(value: "Secret stuff!")
-    ], namespace: Namespace())
+      ], namespace: Namespace())
 
-    let nodes = try parser.parse()
+      let nodes = try parser.parse()
-    try expect(nodes.count) == 0
+      try expect(nodes.count) == 0
-  }
+    }
 
-  $0.it("can parse a tag token") {
+    $0.it("can parse a tag token") {
-    let parser = TokenParser(tokens: [
+      let namespace = Namespace()
-      Token.Block(value: "now"),
+      namespace.registerSimpleTag("known") { _ in
-    ], namespace: Namespace())
+        return ""
+      }
 
-    let nodes = try parser.parse()
+      let parser = TokenParser(tokens: [
-    try expect(nodes.count) == 1
+        Token.Block(value: "known"),
-  }
+      ], namespace: namespace)
 
-  $0.it("errors when parsing an unknown tag") {
+      let nodes = try parser.parse()
-    let parser = TokenParser(tokens: [
+      try expect(nodes.count) == 1
-      Token.Block(value: "unknown"),
+    }
-    ], namespace: Namespace())
 
-    try expect(try parser.parse()).toThrow(TemplateSyntaxError("Unknown template tag 'unknown'"))
+    $0.it("errors when parsing an unknown tag") {
+      let parser = TokenParser(tokens: [
+        Token.Block(value: "unknown"),
+      ], namespace: Namespace())
+
+      try expect(try parser.parse()).toThrow(TemplateSyntaxError("Unknown template tag 'unknown'"))
+    }
   }
 }

Tests/StencilSpec.swift

@@ -9,55 +9,57 @@ class CustomNode : NodeType {
 }
 
 
-describe("Stencil") {
+func testStencil() {
-  $0.it("can render the README example") {
+  describe("Stencil") {
-    let templateString = "There are {{ articles.count }} articles.\n" +
+    $0.it("can render the README example") {
-      "\n" +
+      let templateString = "There are {{ articles.count }} articles.\n" +
-      "{% for article in articles %}" +
+        "\n" +
-      "    - {{ article.title }} by {{ article.author }}.\n" +
+        "{% for article in articles %}" +
-    "{% endfor %}\n"
+        "    - {{ article.title }} by {{ article.author }}.\n" +
+        "{% endfor %}\n"
 
-    let context = Context(dictionary: [
+      let context = Context(dictionary: [
-      "articles": [
+        "articles": [
-        [ "title": "Migrating from OCUnit to XCTest", "author": "Kyle Fuller" ],
+          [ "title": "Migrating from OCUnit to XCTest", "author": "Kyle Fuller" ],
-        [ "title": "Memory Management with ARC", "author": "Kyle Fuller" ],
+          [ "title": "Memory Management with ARC", "author": "Kyle Fuller" ],
-      ]
+        ]
-    ])
+      ])
 
-    let template = Template(templateString:templateString)
+      let template = Template(templateString: templateString)
-    let result = try template.render(context)
+      let result = try template.render(context)
 
-    let fixture = "There are 2 articles.\n" +
+      let fixture = "There are 2 articles.\n" +
-      "\n" +
+        "\n" +
-      "    - Migrating from OCUnit to XCTest by Kyle Fuller.\n" +
+        "    - Migrating from OCUnit to XCTest by Kyle Fuller.\n" +
-      "    - Memory Management with ARC by Kyle Fuller.\n" +
+        "    - Memory Management with ARC by Kyle Fuller.\n" +
-    "\n"
+        "\n"
 
-    try expect(result) == fixture
+      try expect(result) == fixture
-  }
-
-  $0.it("can render a custom template tag") {
-    let templateString = "{% custom %}"
-    let template = Template(templateString: templateString)
-
-    let namespace = Namespace()
-    namespace.registerTag("custom") { parser, token in
-      return CustomNode()
     }
 
-    let result = try template.render(namespace: namespace)
+    $0.it("can render a custom template tag") {
-    try expect(result) == "Hello World"
+      let templateString = "{% custom %}"
-  }
+      let template = Template(templateString: templateString)
 
-  $0.it("can render a simple custom tag") {
+      let namespace = Namespace()
-    let templateString = "{% custom %}"
+      namespace.registerTag("custom") { parser, token in
-    let template = Template(templateString: templateString)
+        return CustomNode()
+      }
 
-    let namespace = Namespace()
+      let result = try template.render(Context(namespace: namespace))
-    namespace.registerSimpleTag("custom") { context in
+      try expect(result) == "Hello World"
-      return "Hello World"
     }
 
-    try expect(try template.render(namespace: namespace)) == "Hello World"
+    $0.it("can render a simple custom tag") {
+      let templateString = "{% custom %}"
+      let template = Template(templateString: templateString)
+
+      let namespace = Namespace()
+      namespace.registerSimpleTag("custom") { context in
+        return "Hello World"
+      }
+
+      try expect(try template.render(Context(namespace: namespace))) == "Hello World"
+    }
   }
 }

Tests/TemplateLoader/IncludeSpec.swift

@@ -3,56 +3,58 @@ import Stencil
 import PathKit
 
 
-describe("Include") {
+func testInclude() {
-  let path = Path(__FILE__) + ".." + ".." + "Tests" + "fixtures"
+  describe("Include") {
-  let loader = TemplateLoader(paths: [path])
+    let path = Path(__FILE__) + ".." + ".." + "fixtures"
+    let loader = TemplateLoader(paths: [path])
 
-  $0.describe("parsing") {
+    $0.describe("parsing") {
-    $0.it("throws an error when no template is given") {
+      $0.it("throws an error when no template is given") {
-      let tokens = [ Token.Block(value: "include") ]
+        let tokens = [ Token.Block(value: "include") ]
-      let parser = TokenParser(tokens: tokens, namespace: Namespace())
+        let parser = TokenParser(tokens: tokens, namespace: Namespace())
 
-      let error = TemplateSyntaxError("'include' tag takes one argument, the template file to be included")
+        let error = TemplateSyntaxError("'include' tag takes one argument, the template file to be included")
-      try expect(try parser.parse()).toThrow(error)
+        try expect(try parser.parse()).toThrow(error)
-    }
+      }
 
-    $0.it("can parse a valid include block") {
+      $0.it("can parse a valid include block") {
-      let tokens = [ Token.Block(value: "include \"test.html\"") ]
+        let tokens = [ Token.Block(value: "include \"test.html\"") ]
-      let parser = TokenParser(tokens: tokens, namespace: Namespace())
+        let parser = TokenParser(tokens: tokens, namespace: Namespace())
 
-      let nodes = try parser.parse()
+        let nodes = try parser.parse()
-      let node = nodes.first as? IncludeNode
+        let node = nodes.first as? IncludeNode
-      try expect(nodes.count) == 1
+        try expect(nodes.count) == 1
-      try expect(node?.templateName) == Variable("\"test.html\"")
+        try expect(node?.templateName) == Variable("\"test.html\"")
-    }
-  }
-
-  $0.describe("rendering") {
-    $0.it("throws an error when rendering without a loader") {
-      let node = IncludeNode(templateName: Variable("\"test.html\""))
-
-      do {
-        try node.render(Context())
-      } catch {
-        try expect("\(error)") == "Template loader not in context"
       }
     }
 
-    $0.it("throws an error when it cannot find the included template") {
+    $0.describe("rendering") {
-      let node = IncludeNode(templateName: Variable("\"unknown.html\""))
+      $0.it("throws an error when rendering without a loader") {
+        let node = IncludeNode(templateName: Variable("\"test.html\""))
 
-      do {
+        do {
-        try node.render(Context(dictionary: ["loader": loader]))
+          try node.render(Context())
-      } catch {
+        } catch {
-        try expect("\(error)".hasPrefix("'unknown.html' template not found")).to.beTrue()
+          try expect("\(error)") == "Template loader not in context"
+        }
       }
-    }
 
-    $0.it("successfully renders a found included template") {
+      $0.it("throws an error when it cannot find the included template") {
-      let node = IncludeNode(templateName: Variable("\"test.html\""))
+        let node = IncludeNode(templateName: Variable("\"unknown.html\""))
-      let context = Context(dictionary: ["loader":loader, "target": "World"])
+
-      let value = try node.render(context)
+        do {
-      try expect(value) == "Hello World!"
+          try node.render(Context(dictionary: ["loader": loader]))
+        } catch {
+          try expect("\(error)".hasPrefix("'unknown.html' template not found")).to.beTrue()
+        }
+      }
+
+      $0.it("successfully renders a found included template") {
+        let node = IncludeNode(templateName: Variable("\"test.html\""))
+        let context = Context(dictionary: ["loader":loader, "target": "World"])
+        let value = try node.render(context)
+        try expect(value) == "Hello World!"
+      }
     }
   }
 }

Tests/TemplateLoader/InheritenceSpec.swift

@@ -3,13 +3,15 @@ import Stencil
 import PathKit
 
 
-describe("Inheritence") {
+func testInheritence() {
-  let path = Path(__FILE__) + ".." + ".." + "Tests" + "fixtures"
+  describe("Inheritence") {
-  let loader = TemplateLoader(paths: [path])
+    let path = Path(__FILE__) + ".." + ".." + "fixtures"
+    let loader = TemplateLoader(paths: [path])
 
-  $0.it("can inherit from another template") {
+    $0.it("can inherit from another template") {
-    let context = Context(dictionary: ["loader": loader])
+      let context = Context(dictionary: ["loader": loader])
-    let template = loader.loadTemplate("child.html")
+      let template = loader.loadTemplate("child.html")
-    try expect(try template?.render(context)) == "Header\nChild"
+      try expect(try template?.render(context)) == "Header\nChild"
+    }
   }
 }

Tests/TemplateLoaderSpec.swift

@@ -3,21 +3,23 @@ import Stencil
 import PathKit
 
 
-describe("TemplateLoader") {
+func testTemplateLoader() {
-  let path = Path(__FILE__) + ".." + ".." + "Tests" + "fixtures"
+  describe("TemplateLoader") {
-  let loader = TemplateLoader(paths: [path])
+    let path = Path(__FILE__) + ".." + ".." + "Tests" + "fixtures"
+    let loader = TemplateLoader(paths: [path])
 
-  $0.it("returns nil when a template cannot be found") {
+    $0.it("returns nil when a template cannot be found") {
-    try expect(loader.loadTemplate("unknown.html")).to.beNil()
+      try expect(loader.loadTemplate("unknown.html")).to.beNil()
-  }
+    }
 
-  $0.it("returns nil when an array of templates cannot be found") {
+    $0.it("returns nil when an array of templates cannot be found") {
-    try expect(loader.loadTemplate(["unknown.html", "unknown2.html"])).to.beNil()
+      try expect(loader.loadTemplate(["unknown.html", "unknown2.html"])).to.beNil()
-  }
+    }
 
-  $0.it("can load a template from a file") {
+    $0.it("can load a template from a file") {
-    if loader.loadTemplate("test.html") == nil {
+      if loader.loadTemplate("test.html") == nil {
-      throw failure("didn't find the template")
+        throw failure("didn't find the template")
+      }
     }
   }
 }

Tests/TemplateSpec.swift

@@ -2,11 +2,13 @@ import Spectre
 import Stencil
 
 
-describe("Template") {
+func testTemplate() {
-  $0.it("can render a template from a string") {
+  describe("Template") {
-    let context = Context(dictionary: [ "name": "Kyle" ])
+    $0.it("can render a template from a string") {
-    let template = Template(templateString: "Hello World")
+      let context = Context(dictionary: [ "name": "Kyle" ])
-    let result = try template.render(context)
+      let template = Template(templateString: "Hello World")
-    try expect(result) == "Hello World"
+      let result = try template.render(context)
+      try expect(result) == "Hello World"
+    }
   }
 }

Tests/TokenSpec.swift

@@ -2,31 +2,33 @@ import Spectre
 import Stencil
 
 
-describe("Token") {
+func testToken() {
-  $0.it("can split the contents into components") {
+  describe("Token") {
-    let token = Token.Text(value: "hello world")
+    $0.it("can split the contents into components") {
-    let components = token.components()
+      let token = Token.Text(value: "hello world")
+      let components = token.components()
 
-    try expect(components.count) == 2
+      try expect(components.count) == 2
-    try expect(components[0]) == "hello"
+      try expect(components[0]) == "hello"
-    try expect(components[1]) == "world"
+      try expect(components[1]) == "world"
-  }
+    }
 
-  $0.it("can split the contents into components with single quoted strings") {
+    $0.it("can split the contents into components with single quoted strings") {
-    let token = Token.Text(value: "hello 'kyle fuller'")
+      let token = Token.Text(value: "hello 'kyle fuller'")
-    let components = token.components()
+      let components = token.components()
 
-    try expect(components.count) == 2
+      try expect(components.count) == 2
-    try expect(components[0]) == "hello"
+      try expect(components[0]) == "hello"
-    try expect(components[1]) == "'kyle fuller'"
+      try expect(components[1]) == "'kyle fuller'"
-  }
+    }
 
-  $0.it("can split the contents into components with double quoted strings") {
+    $0.it("can split the contents into components with double quoted strings") {
-    let token = Token.Text(value: "hello \"kyle fuller\"")
+      let token = Token.Text(value: "hello \"kyle fuller\"")
-    let components = token.components()
+      let components = token.components()
 
-    try expect(components.count) == 2
+      try expect(components.count) == 2
-    try expect(components[0]) == "hello"
+      try expect(components[0]) == "hello"
-    try expect(components[1]) == "\"kyle fuller\""
+      try expect(components[1]) == "\"kyle fuller\""
+    }
   }
 }

Tests/VariableSpec.swift

@@ -3,66 +3,75 @@ import Spectre
 import Stencil
 
 
+#if os(OSX)
 @objc class Object : NSObject {
   let title = "Hello World"
 }
+#endif
 
 
-describe("Variable") {
+func testVariable() {
-  let context = Context(dictionary: [
+  describe("Variable") {
-    "name": "Kyle",
+    let context = Context(dictionary: [
-    "contacts": ["Katie", "Carlton"],
+      "name": "Kyle",
-    "profiles": [
+      "contacts": ["Katie", "Carlton"],
-      "github": "kylef",
+      "profiles": [
-    ],
+        "github": "kylef",
-    "object": Object(),
+      ],
-  ])
+    ])
 
-  $0.it("can resolve a string literal with double quotes") {
+#if os(OSX)
-    let variable = Variable("\"name\"")
+    context["object"] = Object()
-    let result = try variable.resolve(context) as? String
+#endif
-    try expect(result) == "name"
-  }
 
-  $0.it("can resolve a string literal with single quotes") {
+    $0.it("can resolve a string literal with double quotes") {
-    let variable = Variable("'name'")
+      let variable = Variable("\"name\"")
-    let result = try variable.resolve(context) as? String
+      let result = try variable.resolve(context) as? String
-    try expect(result) == "name"
+      try expect(result) == "name"
-  }
+    }
 
-  $0.it("can resolve a string variable") {
+    $0.it("can resolve a string literal with single quotes") {
-    let variable = Variable("name")
+      let variable = Variable("'name'")
-    let result = try variable.resolve(context) as? String
+      let result = try variable.resolve(context) as? String
-    try expect(result) == "Kyle"
+      try expect(result) == "name"
-  }
+    }
 
-  $0.it("can resolve an item from a dictionary") {
+    $0.it("can resolve a string variable") {
-    let variable = Variable("profiles.github")
+      let variable = Variable("name")
-    let result = try variable.resolve(context) as? String
+      let result = try variable.resolve(context) as? String
-    try expect(result) == "kylef"
+      try expect(result) == "Kyle"
-  }
+    }
 
-  $0.it("can resolve an item from an array via it's index") {
+    $0.it("can resolve an item from a dictionary") {
-    let variable = Variable("contacts.0")
+      let variable = Variable("profiles.github")
-    let result = try variable.resolve(context) as? String
+      let result = try variable.resolve(context) as? String
-    try expect(result) == "Katie"
+      try expect(result) == "kylef"
-  }
+    }
 
-  $0.it("can resolve the first item from an array") {
+    $0.it("can resolve an item from an array via it's index") {
-    let variable = Variable("contacts.first")
+      let variable = Variable("contacts.0")
-    let result = try variable.resolve(context) as? String
+      let result = try variable.resolve(context) as? String
-    try expect(result) == "Katie"
+      try expect(result) == "Katie"
-  }
+    }
 
-  $0.it("can resolve the last item from an array") {
+    $0.it("can resolve the first item from an array") {
-    let variable = Variable("contacts.last")
+      let variable = Variable("contacts.first")
-    let result = try variable.resolve(context) as? String
+      let result = try variable.resolve(context) as? String
-    try expect(result) == "Carlton"
+      try expect(result) == "Katie"
-  }
+    }
 
-  $0.it("can resolve a value via KVO") {
+    $0.it("can resolve the last item from an array") {
-    let variable = Variable("object.title")
+      let variable = Variable("contacts.last")
-    let result = try variable.resolve(context) as? String
+      let result = try variable.resolve(context) as? String
-    try expect(result) == "Hello World"
+      try expect(result) == "Carlton"
+    }
+
+#if os(OSX)
+    $0.it("can resolve a value via KVO") {
+      let variable = Variable("object.title")
+      let result = try variable.resolve(context) as? String
+      try expect(result) == "Hello World"
+    }
+#endif
   }
 }

Tests/main.swift

@@ -0,0 +1,15 @@
+testContext()
+testFilter()
+testLexer()
+testToken()
+testTokenParser()
+testTemplateLoader()
+testTemplate()
+testVariable()
+testNode()
+testForNode()
+testIfNode()
+testNowNode()
+testInclude()
+testInheritence()
+testStencil()

circle.yml

@@ -1,21 +0,0 @@
-machine:
-  xcode:
-    version: "7.0"
-  environment:
-    XCODE_SCHEME: NONE
-    XCODE_PROJECT: NONE
-
-dependencies:
-  post:
-    - brew install --HEAD kylef/formulae/conche
-
-test:
-  override:
-    - conche test
-
-deployment:
-  release:
-    tag: /.*/
-    commands:
-      - pod trunk push
-