Use spectre-build for tests

Tests/FilterSpec.swift

@@ -2,68 +2,69 @@ import Spectre
 import Stencil
 
 
-describe("template filters") {
-  let context = Context(dictionary: ["name": "Kyle"])
+func testFilter() {
+  describe("template filters") {
+    let context = Context(dictionary: ["name": "Kyle"])
 
-  $0.it("allows you to register a custom filter") {
-    let template = Template(templateString: "{{ name|repeat }}")
+    $0.it("allows you to register a custom filter") {
+      let template = Template(templateString: "{{ name|repeat }}")
 
-    let namespace = Namespace()
-    namespace.registerFilter("repeat") { value in
-      if let value = value as? String {
-        return "\(value) \(value)"
+      let namespace = Namespace()
+      namespace.registerFilter("repeat") { value in
+        if let value = value as? String {
+          return "\(value) \(value)"
+        }
+
+        return nil
       }
 
-      return nil
+      let result = try template.render(context, namespace: namespace)
+      try expect(result) == "Kyle Kyle"
     }
 
-    let result = try template.render(context, namespace: namespace)
-    try expect(result) == "Kyle Kyle"
-  }
+    $0.it("allows you to register a custom which throws") {
+      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") {
-    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"))
     }
 
-    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 }}")
-    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") {
-    let result = try template.render(Context(dictionary: ["name": "kyle"]))
-    try expect(result) == "Kyle"
-  }
-}
-
-
-describe("uppercase filter") {
-  let template = Template(templateString: "{{ name|uppercase }}")
-
-  $0.it("transforms a string to be uppercase") {
-    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"
+
+  describe("capitalize filter") {
+    let template = Template(templateString: "{{ name|capitalize }}")
+
+    $0.it("capitalizes a string") {
+      let result = try template.render(Context(dictionary: ["name": "kyle"]))
+      try expect(result) == "Kyle"
+    }
+  }
+
+
+  describe("uppercase filter") {
+    let template = Template(templateString: "{{ name|uppercase }}")
+
+    $0.it("transforms a string to be uppercase") {
+      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"
+    }
   }
 }