public void GenerateCode_WithPath()
{
// Arrange
var path = "/Views/Home/Index.cshtml";
var projectItem = new TestRazorProjectItem(path);
var project = new TestRazorProjectFileSystem(new[] { projectItem });
var razorEngine = RazorProjectEngine.Create().Engine;
var templateEngine = new RazorTemplateEngine(razorEngine, project);
// Act
var cSharpDocument = templateEngine.GenerateCode(path);
// Assert
Assert.NotNull(cSharpDocument);
Assert.NotEmpty(cSharpDocument.GeneratedCode);
Assert.Empty(cSharpDocument.Diagnostics);
}
public void Execute_ThrowsForMissingDependency_IRDocument()
{
// Arrange
var phase = new DefaultRazorCSharpLoweringPhase();
var engine = RazorProjectEngine.CreateEmpty(b => b.Phases.Add(phase));
var codeDocument = TestRazorCodeDocument.CreateEmpty();
codeDocument.SetSyntaxTree(RazorSyntaxTree.Parse(codeDocument.Source));
// Act & Assert
ExceptionAssert.Throws <InvalidOperationException>(
() => phase.Execute(codeDocument),
$"The '{nameof(DefaultRazorCSharpLoweringPhase)}' phase requires a '{nameof(DocumentIntermediateNode)}' " +
$"provided by the '{nameof(RazorCodeDocument)}'.");
}
public void Process_AsksFileSystemForItems()
{
// Arrange
var razorProjectItem = new TestRazorProjectItem("/some/path.cshtml");
var testFileSystem = new Mock <RazorProjectFileSystem>();
testFileSystem.Setup(fileSystem => fileSystem.GetItem("/some/path.cshtml"))
.Returns(razorProjectItem)
.Verifiable();
var projectEngine = RazorProjectEngine.Create(testFileSystem.Object);
// Act
projectEngine.Process("/some/path.cshtml");
// Assert
testFileSystem.Verify();
}
private static void AssertDefaultFeatures(RazorProjectEngine engine)
{
var features = engine.EngineFeatures.OrderBy(f => f.GetType().Name).ToArray();
Assert.Collection(
features,
feature => Assert.IsType <AttributeDirectivePass>(feature),
feature => Assert.IsType <ComponentBindLoweringPass>(feature),
feature => Assert.IsType <ComponentChildContentDiagnosticPass>(feature),
feature => Assert.IsType <ComponentComplexAttributeContentPass>(feature),
feature => Assert.IsType <ComponentDocumentClassifierPass>(feature),
feature => Assert.IsType <ComponentEventHandlerLoweringPass>(feature),
feature => Assert.IsType <ComponentGenericTypePass>(feature),
feature => Assert.IsType <ComponentInjectDirectivePass>(feature),
feature => Assert.IsType <ComponentKeyLoweringPass>(feature),
feature => Assert.IsType <ComponentLayoutDirectivePass>(feature),
feature => Assert.IsType <ComponentLoweringPass>(feature),
feature => Assert.IsType <ComponentMarkupBlockPass>(feature),
feature => Assert.IsType <ComponentMarkupDiagnosticPass>(feature),
feature => Assert.IsType <ComponentMarkupEncodingPass>(feature),
feature => Assert.IsType <ComponentPageDirectivePass>(feature),
feature => Assert.IsType <ComponentReferenceCaptureLoweringPass>(feature),
feature => Assert.IsType <ComponentScriptTagPass>(feature),
feature => Assert.IsType <ComponentSplatLoweringPass>(feature),
feature => Assert.IsType <ComponentTemplateDiagnosticPass>(feature),
feature => Assert.IsType <ComponentWhitespacePass>(feature),
feature => Assert.IsType <DefaultDirectiveSyntaxTreePass>(feature),
feature => Assert.IsType <DefaultDocumentClassifierPass>(feature),
feature => Assert.IsType <DefaultDocumentClassifierPassFeature>(feature),
feature => Assert.IsType <DefaultMetadataIdentifierFeature>(feature),
feature => Assert.IsType <DefaultRazorCodeGenerationOptionsFeature>(feature),
feature => Assert.IsType <DefaultRazorDirectiveFeature>(feature),
feature => Assert.IsType <DefaultRazorParserOptionsFeature>(feature),
feature => Assert.IsType <DefaultRazorTargetExtensionFeature>(feature),
feature => Assert.IsType <DefaultTagHelperOptimizationPass>(feature),
feature => Assert.IsType <DesignTimeDirectivePass>(feature),
feature => Assert.IsType <DirectiveRemovalOptimizationPass>(feature),
feature => Assert.IsType <EliminateMethodBodyPass>(feature),
feature => Assert.IsType <FunctionsDirectivePass>(feature),
feature => Assert.IsType <HtmlNodeOptimizationPass>(feature),
feature => Assert.IsType <ImplementsDirectivePass>(feature),
feature => Assert.IsType <InheritsDirectivePass>(feature),
feature => Assert.IsType <MetadataAttributePass>(feature),
feature => Assert.IsType <PreallocatedTagHelperAttributeOptimizationPass>(feature));
}
public void Execute_RewritesTagHelpers()
{
// Arrange
var projectEngine = RazorProjectEngine.Create(builder =>
{
builder.AddTagHelpers(new[]
{
CreateTagHelperDescriptor(
tagName: "form",
typeName: "TestFormTagHelper",
assemblyName: "TestAssembly"),
CreateTagHelperDescriptor(
tagName: "input",
typeName: "TestInputTagHelper",
assemblyName: "TestAssembly"),
});
});
var phase = new DefaultRazorTagHelperBinderPhase()
{
Engine = projectEngine.Engine,
};
var sourceDocument = CreateTestSourceDocument();
var codeDocument = RazorCodeDocument.Create(sourceDocument);
var originalTree = RazorSyntaxTree.Parse(sourceDocument);
codeDocument.SetSyntaxTree(originalTree);
// Act
phase.Execute(codeDocument);
// Assert
var rewrittenTree = codeDocument.GetSyntaxTree();
Assert.Empty(rewrittenTree.Diagnostics);
Assert.Equal(3, rewrittenTree.Root.Children.Count);
var formTagHelper = Assert.IsType <TagHelperBlock>(rewrittenTree.Root.Children[2]);
Assert.Equal("form", formTagHelper.TagName);
Assert.Equal(3, formTagHelper.Children.Count);
var inputTagHelper = Assert.IsType <TagHelperBlock>(formTagHelper.Children[1]);
Assert.Equal("input", inputTagHelper.TagName);
}
public void Execute_AddsSyntaxTree()
{
// Arrange
var phase = new DefaultRazorParsingPhase();
var engine = RazorProjectEngine.CreateEmpty(builder =>
{
builder.Phases.Add(phase);
builder.Features.Add(new DefaultRazorParserOptionsFeature(designTime: false, version: RazorLanguageVersion.Latest, fileKind: null));
});
var codeDocument = TestRazorCodeDocument.CreateEmpty();
// Act
phase.Execute(codeDocument);
// Assert
Assert.NotNull(codeDocument.GetSyntaxTree());
}
public void Execute_ThrowsForMissingDependency_SyntaxTree()
{
// Arrange
var phase = new DefaultRazorIntermediateNodeLoweringPhase();
var engine = RazorProjectEngine.CreateEmpty(b =>
{
b.Phases.Add(phase);
b.Features.Add(new DefaultRazorCodeGenerationOptionsFeature(designTime: false));
});
var codeDocument = TestRazorCodeDocument.CreateEmpty();
// Act & Assert
ExceptionAssert.Throws <InvalidOperationException>(
() => phase.Execute(codeDocument),
$"The '{nameof(DefaultRazorIntermediateNodeLoweringPhase)}' phase requires a '{nameof(RazorSyntaxTree)}' " +
$"provided by the '{nameof(RazorCodeDocument)}'.");
}
public void Execute_DirectiveWithError_PreservesDiagnosticsAndRemovesDirectiveNodeFromDocument()
{
// Arrange
var content = "@custom \"Hello\"";
var expectedDiagnostic = RazorDiagnostic.Create(new RazorDiagnosticDescriptor("RZ9999", () => "Some diagnostic message.", RazorDiagnosticSeverity.Error), SourceSpan.Undefined);
var sourceDocument = TestRazorSourceDocument.Create(content);
var codeDocument = RazorCodeDocument.Create(sourceDocument);
var defaultEngine = RazorProjectEngine.Create(b =>
{
b.AddDirective(DirectiveDescriptor.CreateDirective("custom", DirectiveKind.SingleLine, d => d.AddStringToken()));
}).Engine;
var documentNode = Lower(codeDocument, defaultEngine);
// Add the diagnostic to the directive node.
var directiveNode = documentNode.FindDescendantNodes <DirectiveIntermediateNode>().Single();
directiveNode.Diagnostics.Add(expectedDiagnostic);
var pass = new DirectiveRemovalOptimizationPass()
{
Engine = defaultEngine,
};
// Act
pass.Execute(codeDocument, documentNode);
// Assert
var diagnostic = Assert.Single(documentNode.Diagnostics);
Assert.Equal(expectedDiagnostic, diagnostic);
Children(documentNode,
node => Assert.IsType <NamespaceDeclarationIntermediateNode>(node));
var @namespace = documentNode.Children[0];
Children(@namespace,
node => Assert.IsType <ClassDeclarationIntermediateNode>(node));
var @class = @namespace.Children[0];
var method = SingleChild <MethodDeclarationIntermediateNode>(@class);
Assert.Empty(method.Children);
}
public void Execute_RewritesTagHelpers()
{
// Arrange
var projectEngine = RazorProjectEngine.Create(builder =>
{
builder.AddTagHelpers(new[]
{
CreateTagHelperDescriptor(
tagName: "form",
typeName: "TestFormTagHelper",
assemblyName: "TestAssembly"),
CreateTagHelperDescriptor(
tagName: "input",
typeName: "TestInputTagHelper",
assemblyName: "TestAssembly"),
});
});
var phase = new DefaultRazorTagHelperBinderPhase()
{
Engine = projectEngine.Engine,
};
var sourceDocument = CreateTestSourceDocument();
var codeDocument = RazorCodeDocument.Create(sourceDocument);
var originalTree = RazorSyntaxTree.Parse(sourceDocument);
codeDocument.SetSyntaxTree(originalTree);
// Act
phase.Execute(codeDocument);
// Assert
var rewrittenTree = codeDocument.GetSyntaxTree();
var descendantNodes = rewrittenTree.Root.DescendantNodes();
Assert.Empty(rewrittenTree.Diagnostics);
var tagHelperNodes = descendantNodes.Where(n => n is MarkupTagHelperElementSyntax tagHelper).Cast <MarkupTagHelperElementSyntax>().ToArray();
Assert.Equal("form", tagHelperNodes[0].TagHelperInfo.TagName);
Assert.Equal("input", tagHelperNodes[1].TagHelperInfo.TagName);
}
public void Execute_IgnoresDocumentsWithDocumentKind()
{
// Arrange
var documentNode = new DocumentIntermediateNode()
{
DocumentKind = "ignore",
Options = RazorCodeGenerationOptions.CreateDefault(),
};
var pass = new DefaultDocumentClassifierPass();
pass.Engine = RazorProjectEngine.Create().Engine;
// Act
pass.Execute(TestRazorCodeDocument.CreateEmpty(), documentNode);
// Assert
Assert.Equal("ignore", documentNode.DocumentKind);
NoChildren(documentNode);
}
public void CreateCodeDocument_ThrowsIfPathCannotBeFound()
{
// Arrange
var projectItem = new TestRazorProjectItem("/Views/Home/Index.cshtml");
var project = new TestRazorProjectFileSystem(new[] { projectItem });
var razorEngine = RazorProjectEngine.Create().Engine;
var templateEngine = new RazorTemplateEngine(razorEngine, project)
{
Options =
{
ImportsFileName = "MyImport.cshtml",
}
};
// Act & Assert
var ex = Assert.Throws <InvalidOperationException>(() => templateEngine.CreateCodeDocument("/DoesNotExist.cshtml"));
// Assert
Assert.Equal("The item '/DoesNotExist.cshtml' could not be found.", ex.Message);
}
public void GetImports_CanQueryInformationOnNonExistentFileWithoutImports()
{
// Arrange
var fileSystem = new TestRazorProjectFileSystem();
var razorEngine = RazorProjectEngine.Create().Engine;
var templateEngine = new RazorTemplateEngine(razorEngine, fileSystem)
{
Options =
{
ImportsFileName = "MyImport.cshtml"
}
};
var projectItemToQuery = fileSystem.GetItem("/Views/Home/Index.cshtml");
// Act
var imports = templateEngine.GetImports(projectItemToQuery);
// Assert
Assert.Empty(imports);
}
public void Execute_ExecutesPhasesInOrder()
{
// Arrange
var codeDocument = TestRazorCodeDocument.CreateEmpty();
// We're going to set up mocks to simulate a sequence of passes. We don't care about
// what's in the trees, we're just going to look at the identity via strict mocks.
var originalSyntaxTree = RazorSyntaxTree.Parse(codeDocument.Source);
var firstPassSyntaxTree = RazorSyntaxTree.Parse(codeDocument.Source);
var secondPassSyntaxTree = RazorSyntaxTree.Parse(codeDocument.Source);
codeDocument.SetSyntaxTree(originalSyntaxTree);
var firstPass = new Mock <IRazorSyntaxTreePass>(MockBehavior.Strict);
firstPass.SetupGet(m => m.Order).Returns(0);
firstPass.SetupProperty(m => m.Engine);
firstPass.Setup(m => m.Execute(codeDocument, originalSyntaxTree)).Returns(firstPassSyntaxTree);
var secondPass = new Mock <IRazorSyntaxTreePass>(MockBehavior.Strict);
secondPass.SetupGet(m => m.Order).Returns(1);
secondPass.SetupProperty(m => m.Engine);
secondPass.Setup(m => m.Execute(codeDocument, firstPassSyntaxTree)).Returns(secondPassSyntaxTree);
var phase = new DefaultRazorSyntaxTreePhase();
var engine = RazorProjectEngine.CreateEmpty(b =>
{
b.Phases.Add(phase);
b.Features.Add(firstPass.Object);
b.Features.Add(secondPass.Object);
});
// Act
phase.Execute(codeDocument);
// Assert
Assert.Same(secondPassSyntaxTree, codeDocument.GetSyntaxTree());
}
public void ProcessDesignTime_SetsOptions_DesignTime()
{
// Arrange
var projectItem = new TestRazorProjectItem("Index.cshtml");
var projectEngine = RazorProjectEngine.Create(RazorConfiguration.Default, TestRazorProjectFileSystem.Empty);
// Act
var codeDocument = projectEngine.ProcessDesignTime(projectItem);
// Assert
var parserOptions = codeDocument.GetParserOptions();
Assert.True(parserOptions.DesignTime);
var codeGenerationOptions = codeDocument.GetCodeGenerationOptions();
Assert.True(codeGenerationOptions.DesignTime);
Assert.True(codeGenerationOptions.SuppressChecksum);
Assert.True(codeGenerationOptions.SuppressMetadataAttributes);
}
public void CreateCodeDocument_WithFileSystemProject_ReturnsCorrectItems()
{
// Arrange
var testFolder = Path.Combine(
TestProject.GetProjectDirectory(typeof(DefaultRazorProjectFileSystemTest)),
"TestFiles",
"DefaultRazorProjectFileSystem");
var project = new DefaultRazorProjectFileSystem(testFolder);
var razorEngine = RazorProjectEngine.Create().Engine;
var templateEngine = new RazorTemplateEngine(razorEngine, project)
{
Options =
{
ImportsFileName = "_ViewImports.cshtml"
}
};
// Act
var codeDocument = templateEngine.CreateCodeDocument("/Views/Home/Index.cshtml");
// Assert
Assert.Collection(
codeDocument.Imports,
item =>
{
Assert.Equal(Path.Combine(testFolder, "_ViewImports.cshtml"), item.FilePath);
Assert.Equal("_ViewImports.cshtml", item.RelativePath);
},
item =>
{
Assert.Equal(Path.Combine(testFolder, "Views", "_ViewImports.cshtml"), item.FilePath);
Assert.Equal(Path.Combine("Views", "_ViewImports.cshtml"), item.RelativePath);
},
item =>
{
Assert.Equal(Path.Combine(testFolder, "Views", "Home", "_ViewImports.cshtml"), item.FilePath);
Assert.Equal(Path.Combine("Views", "Home", "_ViewImports.cshtml"), item.RelativePath);
});
}
public void Execute_EmptyTagHelperDescriptorsFromCodeDocument_DoesNotFallbackToTagHelperFeature()
{
// Arrange
var tagHelpers = new[]
{
CreateTagHelperDescriptor(
tagName: "form",
typeName: "TestFormTagHelper",
assemblyName: "TestAssembly"),
CreateTagHelperDescriptor(
tagName: "input",
typeName: "TestInputTagHelper",
assemblyName: "TestAssembly"),
};
var projectEngine = RazorProjectEngine.Create(builder => builder.AddTagHelpers(tagHelpers));
var phase = new DefaultRazorTagHelperBinderPhase()
{
Engine = projectEngine.Engine,
};
var sourceDocument = CreateTestSourceDocument();
var codeDocument = RazorCodeDocument.Create(sourceDocument);
var originalTree = RazorSyntaxTree.Parse(sourceDocument);
codeDocument.SetSyntaxTree(originalTree);
codeDocument.SetTagHelpers(tagHelpers: Array.Empty <TagHelperDescriptor>());
// Act
phase.Execute(codeDocument);
// Assert
var rewrittenTree = codeDocument.GetSyntaxTree();
Assert.Empty(rewrittenTree.Diagnostics);
Assert.Equal(7, rewrittenTree.Root.Children.Count);
var rewrittenNodes = rewrittenTree.Root.Children.OfType <TagHelperBlock>();
Assert.Empty(rewrittenNodes);
}
public void Execute_CanHandleSingleLengthRemoveTagHelperDirective()
{
// Arrange
var projectEngine = RazorProjectEngine.Create(builder =>
{
builder.AddTagHelpers(new TagHelperDescriptor[0]);
});
var phase = new DefaultRazorTagHelperBinderPhase()
{
Engine = projectEngine.Engine,
};
var expectedDiagnostics = new[]
{
RazorDiagnosticFactory.CreateParsing_UnterminatedStringLiteral(
new SourceSpan(new SourceLocation(17 + Environment.NewLine.Length, 1, 17), contentLength: 1)),
RazorDiagnosticFactory.CreateParsing_InvalidTagHelperLookupText(
new SourceSpan(new SourceLocation(17 + Environment.NewLine.Length, 1, 17), contentLength: 1), "\"")
};
var content =
@"
@removeTagHelper """;
var sourceDocument = TestRazorSourceDocument.Create(content, filePath: null);
var codeDocument = RazorCodeDocument.Create(sourceDocument);
var originalTree = RazorSyntaxTree.Parse(sourceDocument);
codeDocument.SetSyntaxTree(originalTree);
// Act
phase.Execute(codeDocument);
// Assert
var rewrittenTree = codeDocument.GetSyntaxTree();
var erroredNode = rewrittenTree.Root.DescendantNodes().First(n => n.GetSpanContext()?.ChunkGenerator is RemoveTagHelperChunkGenerator);
var chunkGenerator = Assert.IsType <RemoveTagHelperChunkGenerator>(erroredNode.GetSpanContext().ChunkGenerator);
Assert.Equal(expectedDiagnostics, chunkGenerator.Diagnostics);
}
public void CreateCodeDocument_NullImportFileName_IncludesDefaultImportIfNotNull()
{
// Arrange
var projectItem = new TestRazorProjectItem("/Views/Home/Index.cshtml");
var project = new TestRazorProjectFileSystem(new[] { projectItem });
var razorEngine = RazorProjectEngine.Create().Engine;
var defaultImport = RazorSourceDocument.ReadFrom(new MemoryStream(), "Default.cshtml");
var templateEngine = new RazorTemplateEngine(razorEngine, project)
{
Options =
{
DefaultImports = defaultImport,
}
};
// Act
var codeDocument = templateEngine.CreateCodeDocument(projectItem);
// Assert
Assert.Collection(codeDocument.Imports,
import => Assert.Same(defaultImport, import));
}
public void GetImportItems_WithPath_ReturnsAllImportsForFile()
{
// Arrange
var expected = new[] { "/Views/Home/MyImport.cshtml", "/Views/MyImport.cshtml", "/MyImport.cshtml" };
var project = new TestRazorProjectFileSystem();
var razorEngine = RazorProjectEngine.Create().Engine;
var templateEngine = new RazorTemplateEngine(razorEngine, project)
{
Options =
{
ImportsFileName = "MyImport.cshtml"
}
};
// Act
var imports = templateEngine.GetImportItems("/Views/Home/Index.cshtml");
// Assert
var paths = imports.Select(i => i.FilePath);
Assert.Equal(expected, paths);
}
public void Process_GetsImportsFromFeature()
{
// Arrange
var sourceDocument = TestRazorSourceDocument.Create();
var testImport = TestRazorSourceDocument.Create();
var importFeature = new Mock <IRazorImportFeature>();
importFeature.Setup(feature => feature.GetImports(It.IsAny <string>()))
.Returns(new[] { testImport });
var projectEngine = RazorProjectEngine.Create(TestRazorProjectFileSystem.Empty, builder =>
{
builder.SetImportFeature(importFeature.Object);
});
// Act
var codeDocument = projectEngine.Process(sourceDocument);
// Assert
var import = Assert.Single(codeDocument.Imports);
Assert.Same(testImport, import);
}
public void Execute_UsesConfigureParserFeatures()
{
// Arrange
var phase = new DefaultRazorParsingPhase();
var engine = RazorProjectEngine.CreateEmpty((builder) =>
{
builder.Phases.Add(phase);
builder.Features.Add(new DefaultRazorParserOptionsFeature(designTime: false, version: RazorLanguageVersion.Latest, fileKind: null));
builder.Features.Add(new MyParserOptionsFeature());
});
var codeDocument = TestRazorCodeDocument.CreateEmpty();
// Act
phase.Execute(codeDocument);
// Assert
var syntaxTree = codeDocument.GetSyntaxTree();
var directive = Assert.Single(syntaxTree.Options.Directives);
Assert.Equal("test", directive.Directive);
}
public void OnInitialized_OrdersPassesInAscendingOrder()
{
// Arrange & Act
var phase = new DefaultRazorDocumentClassifierPhase();
var first = Mock.Of <IRazorDocumentClassifierPass>(p => p.Order == 15);
var second = Mock.Of <IRazorDocumentClassifierPass>(p => p.Order == 17);
var engine = RazorProjectEngine.CreateEmpty(b =>
{
b.Phases.Add(phase);
b.Features.Add(second);
b.Features.Add(first);
});
// Assert
Assert.Collection(
phase.Passes,
p => Assert.Same(first, p),
p => Assert.Same(second, p));
}
public void Execute_CanHandleSingleLengthTagHelperPrefix()
{
// Arrange
var projectEngine = RazorProjectEngine.Create(builder =>
{
builder.AddTagHelpers(new TagHelperDescriptor[0]);
});
var phase = new DefaultRazorTagHelperBinderPhase()
{
Engine = projectEngine.Engine,
};
var expectedDiagnostics = new[]
{
RazorDiagnosticFactory.CreateParsing_UnterminatedStringLiteral(
new SourceSpan(new SourceLocation(17 + Environment.NewLine.Length, 1, 17), contentLength: 1)),
RazorDiagnosticFactory.CreateParsing_InvalidTagHelperPrefixValue(
new SourceSpan(new SourceLocation(17 + Environment.NewLine.Length, 1, 17), contentLength: 1), "tagHelperPrefix", '\"', "\""),
};
var content =
@"
@tagHelperPrefix """;
var sourceDocument = TestRazorSourceDocument.Create(content, filePath: null);
var codeDocument = RazorCodeDocument.Create(sourceDocument);
var originalTree = RazorSyntaxTree.Parse(sourceDocument);
codeDocument.SetSyntaxTree(originalTree);
// Act
phase.Execute(codeDocument);
// Assert
var rewrittenTree = codeDocument.GetSyntaxTree();
var directiveValue = rewrittenTree.Root.Children.OfType <Block>().First().Children.Last() as Span;
var chunkGenerator = Assert.IsType <TagHelperPrefixDirectiveChunkGenerator>(directiveValue.ChunkGenerator);
Assert.Equal(expectedDiagnostics, chunkGenerator.Diagnostics);
}
public void Execute_CollatesSyntaxDiagnosticsFromImportDocuments()
{
// Arrange
var phase = new DefaultRazorIntermediateNodeLoweringPhase();
var engine = RazorProjectEngine.CreateEmpty(b =>
{
b.Phases.Add(phase);
b.Features.Add(new DefaultRazorCodeGenerationOptionsFeature(designTime: false));
});
var codeDocument = TestRazorCodeDocument.CreateEmpty();
codeDocument.SetSyntaxTree(RazorSyntaxTree.Parse(codeDocument.Source));
codeDocument.SetImportSyntaxTrees(new[]
{
RazorSyntaxTree.Parse(TestRazorSourceDocument.Create("@ ")),
RazorSyntaxTree.Parse(TestRazorSourceDocument.Create("<p @(")),
});
var options = RazorCodeGenerationOptions.CreateDefault();
// Act
phase.Execute(codeDocument);
// Assert
var documentNode = codeDocument.GetDocumentIntermediateNode();
Assert.Collection(documentNode.Diagnostics,
diagnostic =>
{
Assert.Equal(@"A space or line break was encountered after the ""@"" character. Only valid identifiers, keywords, comments, ""("" and ""{"" are valid at the start of a code block and they must occur immediately following ""@"" with no space in between.",
diagnostic.GetMessage(CultureInfo.CurrentCulture));
},
diagnostic =>
{
Assert.Equal(@"The explicit expression block is missing a closing "")"" character. Make sure you have a matching "")"" character for all the ""("" characters within this block, and that none of the "")"" characters are being interpreted as markup.",
diagnostic.GetMessage(CultureInfo.CurrentCulture));
});
}
private DocumentIntermediateNode Lower(
RazorCodeDocument codeDocument,
Action <RazorProjectEngineBuilder> builder = null,
IEnumerable <TagHelperDescriptor> tagHelpers = null,
bool designTime = false)
{
tagHelpers = tagHelpers ?? new TagHelperDescriptor[0];
Action <RazorProjectEngineBuilder> configureEngine = b =>
{
builder?.Invoke(b);
FunctionsDirective.Register(b);
SectionDirective.Register(b);
b.AddTagHelpers(tagHelpers);
b.Features.Add(new DesignTimeOptionsFeature(designTime));
};
var projectEngine = RazorProjectEngine.Create(configureEngine);
for (var i = 0; i < projectEngine.Phases.Count; i++)
{
var phase = projectEngine.Phases[i];
phase.Execute(codeDocument);
if (phase is IRazorIntermediateNodeLoweringPhase)
{
break;
}
}
var documentNode = codeDocument.GetDocumentIntermediateNode();
Assert.NotNull(documentNode);
return(documentNode);
}
public void ProcessDesignTime_WithImportsAndTagHelpers_SetsOnCodeDocument()
{
// Arrange
var projectItem = new TestRazorProjectItem("Index.cshtml");
var importItem = new TestRazorProjectItem("_import.cshtml");
var expectedImports = new[] { RazorSourceDocument.ReadFrom(importItem) };
var expectedTagHelpers = new[]
{
TagHelperDescriptorBuilder.Create("TestTagHelper", "TestAssembly").Build(),
TagHelperDescriptorBuilder.Create("Test2TagHelper", "TestAssembly").Build(),
};
var projectEngine = RazorProjectEngine.Create(RazorConfiguration.Default, TestRazorProjectFileSystem.Empty);
// Act
var codeDocument = projectEngine.ProcessDesignTime(RazorSourceDocument.ReadFrom(projectItem), expectedImports, expectedTagHelpers);
// Assert
var tagHelpers = codeDocument.GetTagHelpers();
Assert.Same(expectedTagHelpers, tagHelpers);
Assert.Equal(expectedImports, codeDocument.Imports);
}
public void Execute_NoopsWhenNoTagHelperFeature()
{
// Arrange
var projectEngine = RazorProjectEngine.Create();
var phase = new DefaultRazorTagHelperBinderPhase()
{
Engine = projectEngine.Engine,
};
var sourceDocument = CreateTestSourceDocument();
var codeDocument = RazorCodeDocument.Create(sourceDocument);
var originalTree = RazorSyntaxTree.Parse(sourceDocument);
codeDocument.SetSyntaxTree(originalTree);
// Act
phase.Execute(codeDocument);
// Assert
var outputTree = codeDocument.GetSyntaxTree();
Assert.Empty(outputTree.Diagnostics);
Assert.Same(originalTree, outputTree);
}
public void Execute_CollatesSyntaxDiagnosticsFromSourceDocument()
{
// Arrange
var phase = new DefaultRazorIntermediateNodeLoweringPhase();
var engine = RazorProjectEngine.CreateEmpty(b =>
{
b.Phases.Add(phase);
b.Features.Add(new DefaultRazorCodeGenerationOptionsFeature(designTime: false));
});
var codeDocument = TestRazorCodeDocument.Create("<p class=@(");
codeDocument.SetSyntaxTree(RazorSyntaxTree.Parse(codeDocument.Source));
// Act
phase.Execute(codeDocument);
// Assert
var documentNode = codeDocument.GetDocumentIntermediateNode();
var diagnostic = Assert.Single(documentNode.Diagnostics);
Assert.Equal(@"The explicit expression block is missing a closing "")"" character. Make sure you have a matching "")"" character for all the ""("" characters within this block, and that none of the "")"" characters are being interpreted as markup.",
diagnostic.GetMessage(CultureInfo.CurrentCulture));
}
public void Execute_CreatesClassStructure()
{
// Arrange
var documentNode = new DocumentIntermediateNode()
{
Options = RazorCodeGenerationOptions.CreateDefault(),
};
var pass = new DefaultDocumentClassifierPass();
pass.Engine = RazorProjectEngine.Create().Engine;
// Act
pass.Execute(TestRazorCodeDocument.CreateEmpty(), documentNode);
// Assert
Assert.Equal("default", documentNode.DocumentKind);
var @namespace = SingleChild <NamespaceDeclarationIntermediateNode>(documentNode);
var @class = SingleChild <ClassDeclarationIntermediateNode>(@namespace);
var method = SingleChild <MethodDeclarationIntermediateNode>(@class);
NoChildren(method);
}
public void Execute_AutomaticallyOverridesImportedSingleLineSinglyOccurringDirective_MultipleImports()
{
// Arrange
var directive = DirectiveDescriptor.CreateSingleLineDirective(
"custom",
builder =>
{
builder.AddStringToken();
builder.Usage = DirectiveUsage.FileScopedSinglyOccurring;
});
var phase = new DefaultRazorIntermediateNodeLoweringPhase();
var engine = RazorProjectEngine.CreateEmpty(b =>
{
b.Phases.Add(phase);
b.Features.Add(new DefaultRazorCodeGenerationOptionsFeature(designTime: false));
b.AddDirective(directive);
});
var options = RazorParserOptions.Create(builder => builder.Directives.Add(directive));
var importSource1 = TestRazorSourceDocument.Create("@custom \"hello\"", filePath: "import1.cshtml");
var importSource2 = TestRazorSourceDocument.Create("@custom \"world\"", filePath: "import2.cshtml");
var codeDocument = TestRazorCodeDocument.Create("<p>NonDirective</p>");
codeDocument.SetSyntaxTree(RazorSyntaxTree.Parse(codeDocument.Source, options));
codeDocument.SetImportSyntaxTrees(new[] { RazorSyntaxTree.Parse(importSource1, options), RazorSyntaxTree.Parse(importSource2, options) });
// Act
phase.Execute(codeDocument);
// Assert
var documentNode = codeDocument.GetDocumentIntermediateNode();
var customDirectives = documentNode.FindDirectiveReferences(directive);
var customDirective = (DirectiveIntermediateNode)Assert.Single(customDirectives).Node;
var stringToken = Assert.Single(customDirective.Tokens);
Assert.Equal("\"world\"", stringToken.Content);
}