added parent context to ErrorReporterContext and handling errors in include and extend nodes

Tests/StencilTests/EnvironmentSpec.swift

@@ -1,4 +1,5 @@
 import Spectre
+import PathKit
 @testable import Stencil
 
 
@@ -124,6 +125,34 @@ func testEnvironment() {
       }
     }
     
+    $0.context("given related templates") {
+      let path = Path(#file) + ".." + "fixtures"
+      let loader = FileSystemLoader(paths: [path])
+      let environment = Environment(loader: loader)
+      
+      $0.it("reports syntax error in included template") {
+        let template: Template = "{% include \"invalid-include.html\"%}"
+        environment.errorReporter.context = ErrorReporterContext(template: template)
+        
+        let context = Context(dictionary: ["target": "World"], environment: environment)
+        
+        let includedTemplate = try environment.loadTemplate(name: "invalid-include.html")
+        let error = expectedSyntaxError(token: "target|unknown", template: includedTemplate, description: "Unknown filter 'unknown'")
+        
+        try expect(try template.render(context)).toThrow(error)
+      }
+      
+      $0.it("reports syntax error in extended template") {
+        let template = try environment.loadTemplate(name: "invalid-child-super.html")
+        let context = Context(dictionary: ["target": "World"], environment: environment)
+
+        let baseTemplate = try environment.loadTemplate(name: "invalid-base.html")
+        let error = expectedSyntaxError(token: "target|unknown", template: baseTemplate, description: "Unknown filter 'unknown'")
+        
+        try expect(try template.render(context)).toThrow(error)
+      }
+    }
+    
   }
 }
 

Tests/StencilTests/IncludeSpec.swift

@@ -31,7 +31,7 @@ func testInclude() {
 
     $0.describe("rendering") {
       $0.it("throws an error when rendering without a loader") {
-        let node = IncludeNode(templateName: Variable("\"test.html\""))
+        let node = IncludeNode(templateName: Variable("\"test.html\""), token: .block(value: "", at: .unknown))
 
         do {
           _ = try node.render(Context())
@@ -41,7 +41,7 @@ func testInclude() {
       }
 
       $0.it("throws an error when it cannot find the included template") {
-        let node = IncludeNode(templateName: Variable("\"unknown.html\""))
+        let node = IncludeNode(templateName: Variable("\"unknown.html\""), token: .block(value: "", at: .unknown))
 
         do {
           _ = try node.render(Context(environment: environment))
@@ -51,7 +51,7 @@ func testInclude() {
       }
 
       $0.it("successfully renders a found included template") {
-        let node = IncludeNode(templateName: Variable("\"test.html\""))
+        let node = IncludeNode(templateName: Variable("\"test.html\""), token: .block(value: "", at: .unknown))
         let context = Context(dictionary: ["target": "World"], environment: environment)
         let value = try node.render(context)
         try expect(value) == "Hello World!"

Tests/StencilTests/fixtures/invalid-base.html

@@ -0,0 +1,2 @@
+{% block header %}Header{% endblock %}
+{% block body %}Body {{ target|unknown }} {% endblock %}

Tests/StencilTests/fixtures/invalid-child-super.html

@@ -0,0 +1,3 @@
+{% extends "invalid-base.html" %}
+{% block body %}Child {{ block.super }}{% endblock %}
+

Tests/StencilTests/fixtures/invalid-include.html

@@ -0,0 +1 @@
+Hello {{ target|unknown }}!