public void Execute_AutomaticallyOverridesImportedSingleLineSinglyOccurringDirective_MainDocument()
{
// 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 importSource = TestRazorSourceDocument.Create("@custom \"hello\"", filePath: "import.cshtml");
var codeDocument = TestRazorCodeDocument.Create("@custom \"world\"");
codeDocument.SetSyntaxTree(RazorSyntaxTree.Parse(codeDocument.Source, options));
codeDocument.SetImportSyntaxTrees(new[] { RazorSyntaxTree.Parse(importSource, 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);
}
public void Execute_ErrorsForRazorBlockFileScopedSinglyOccurringDirectives()
{
// Arrange
var directive = DirectiveDescriptor.CreateRazorBlockDirective("custom", b => b.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 importSource = TestRazorSourceDocument.Create("@custom { }", filePath: "import.cshtml");
var codeDocument = TestRazorCodeDocument.Create("<p>NonDirective</p>");
codeDocument.SetSyntaxTree(RazorSyntaxTree.Parse(codeDocument.Source, options));
codeDocument.SetImportSyntaxTrees(new[] { RazorSyntaxTree.Parse(importSource, options) });
var expectedDiagnostic = RazorDiagnosticFactory.CreateDirective_BlockDirectiveCannotBeImported("custom");
// Act
phase.Execute(codeDocument);
// Assert
var documentNode = codeDocument.GetDocumentIntermediateNode();
var directives = documentNode.Children.OfType <DirectiveIntermediateNode>();
Assert.Empty(directives);
var diagnostic = Assert.Single(documentNode.GetAllDiagnostics());
Assert.Equal(expectedDiagnostic, diagnostic);
}
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_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));
});
}
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_DoesNotImportNonFileScopedSinglyOccurringDirectives_Block()
{
// Arrange
var codeBlockDirective = DirectiveDescriptor.CreateCodeBlockDirective("code", b => b.AddStringToken());
var razorBlockDirective = DirectiveDescriptor.CreateRazorBlockDirective("razor", b => b.AddStringToken());
var phase = new DefaultRazorIntermediateNodeLoweringPhase();
var engine = RazorProjectEngine.CreateEmpty(b =>
{
b.Phases.Add(phase);
b.Features.Add(new DefaultRazorCodeGenerationOptionsFeature(designTime: false));
b.AddDirective(codeBlockDirective);
b.AddDirective(razorBlockDirective);
});
var options = RazorParserOptions.Create(builder =>
{
builder.Directives.Add(codeBlockDirective);
builder.Directives.Add(razorBlockDirective);
});
var importSource = TestRazorSourceDocument.Create(
@"@code ""code block"" { }
@razor ""razor block"" { }",
filePath: "testImports.cshtml");
var codeDocument = TestRazorCodeDocument.Create("<p>NonDirective</p>");
codeDocument.SetSyntaxTree(RazorSyntaxTree.Parse(codeDocument.Source, options));
codeDocument.SetImportSyntaxTrees(new[] { RazorSyntaxTree.Parse(importSource, options) });
// Act
phase.Execute(codeDocument);
// Assert
var documentNode = codeDocument.GetDocumentIntermediateNode();
var directives = documentNode.Children.OfType <DirectiveIntermediateNode>();
Assert.Empty(directives);
}