public void Compile_ReturnsGeneratedCodePath_IfLinePragmaIsNotAvailable()
{
// Arrange
var fileContent = "file content";
var content = @"this should fail";
var compilationService = new DefaultRoslynCompilationService(
GetDependencyContext(),
GetOptions(),
GetFileProviderAccessor(),
NullLoggerFactory.Instance);
var relativeFileInfo = new RelativeFileInfo(
new TestFileInfo { Content = fileContent },
"some-relative-path");
// Act
var result = compilationService.Compile(relativeFileInfo, content);
// Assert
Assert.IsType<CompilationResult>(result);
Assert.Null(result.CompiledType);
var compilationFailure = Assert.Single(result.CompilationFailures);
Assert.Equal("Generated Code", compilationFailure.SourceFilePath);
Assert.Equal(content, compilationFailure.SourceFileContent);
}
public void Compile_DoesNotThrow_IfFileCannotBeRead()
{
// Arrange
var path = "some-relative-path";
var content = $@"
#line 1 ""{path}""
this should fail";
var mockFileInfo = new Mock <IFileInfo>();
mockFileInfo.Setup(f => f.CreateReadStream())
.Throws(new Exception());
var fileProvider = new TestFileProvider();
fileProvider.AddFile(path, mockFileInfo.Object);
var compilationService = new DefaultRoslynCompilationService(
GetDependencyContext(),
GetOptions(),
GetFileProviderAccessor(),
NullLoggerFactory.Instance);
var relativeFileInfo = new RelativeFileInfo(mockFileInfo.Object, path);
// Act
var result = compilationService.Compile(relativeFileInfo, content);
// Assert
Assert.IsType <CompilationResult>(result);
Assert.Null(result.CompiledType);
var compilationFailure = Assert.Single(result.CompilationFailures);
Assert.Equal(path, compilationFailure.SourceFilePath);
Assert.Null(compilationFailure.SourceFileContent);
}
public void Compile_ReturnsCompilationFailureWithPathsFromLinePragmas()
{
// Arrange
var viewPath = "some-relative-path";
var fileContent = "test file content";
var content = $@"
#line 1 ""{viewPath}""
this should fail";
var fileProvider = new TestFileProvider();
var fileInfo = fileProvider.AddFile(viewPath, fileContent);
var compilationService = new DefaultRoslynCompilationService(
GetDependencyContext(),
GetOptions(),
GetFileProviderAccessor(fileProvider),
NullLoggerFactory.Instance);
var relativeFileInfo = new RelativeFileInfo(fileInfo, "some-relative-path");
// Act
var result = compilationService.Compile(relativeFileInfo, content);
// Assert
Assert.IsType<CompilationResult>(result);
Assert.Null(result.CompiledType);
var compilationFailure = Assert.Single(result.CompilationFailures);
Assert.Equal(relativeFileInfo.RelativePath, compilationFailure.SourceFilePath);
Assert.Equal(fileContent, compilationFailure.SourceFileContent);
}
public void Compile_ReturnsCompilationFailureWithPathsFromLinePragmas()
{
// Arrange
var viewPath = "some-relative-path";
var fileContent = "test file content";
var content = $@"
#line 1 ""{viewPath}""
this should fail";
var fileProvider = new TestFileProvider();
var fileInfo = fileProvider.AddFile(viewPath, fileContent);
var compilationService = new DefaultRoslynCompilationService(
GetDependencyContext(),
GetOptions(),
GetFileProviderAccessor(fileProvider),
NullLoggerFactory.Instance);
var relativeFileInfo = new RelativeFileInfo(fileInfo, "some-relative-path");
// Act
var result = compilationService.Compile(relativeFileInfo, content);
// Assert
Assert.IsType <CompilationResult>(result);
Assert.Null(result.CompiledType);
var compilationFailure = Assert.Single(result.CompilationFailures);
Assert.Equal(relativeFileInfo.RelativePath, compilationFailure.SourceFilePath);
Assert.Equal(fileContent, compilationFailure.SourceFileContent);
}
public void Compile_ReturnsGeneratedCodePath_IfLinePragmaIsNotAvailable()
{
// Arrange
var fileContent = "file content";
var content = @"this should fail";
var compilationService = new DefaultRoslynCompilationService(
GetDependencyContext(),
GetOptions(),
GetFileProviderAccessor(),
NullLoggerFactory.Instance);
var relativeFileInfo = new RelativeFileInfo(
new TestFileInfo {
Content = fileContent
},
"some-relative-path");
// Act
var result = compilationService.Compile(relativeFileInfo, content);
// Assert
Assert.IsType <CompilationResult>(result);
Assert.Null(result.CompiledType);
var compilationFailure = Assert.Single(result.CompilationFailures);
Assert.Equal("Generated Code", compilationFailure.SourceFilePath);
Assert.Equal(content, compilationFailure.SourceFileContent);
}
public void Compile_DoesNotThrowIfReferencesWereClearedInCallback()
{
// Arrange
var options = GetOptions(context =>
{
context.Compilation = context.Compilation.RemoveAllReferences();
});
var content = "public class MyTestType {}";
var compilationService = new DefaultRoslynCompilationService(
dependencyContext: GetDependencyContext(),
viewEngineOptions: options,
fileProviderAccessor: GetFileProviderAccessor(),
loggerFactory: NullLoggerFactory.Instance);
var relativeFileInfo = new RelativeFileInfo(
new TestFileInfo {
PhysicalPath = "SomePath"
},
"some-relative-path.cshtml");
// Act
var result = compilationService.Compile(relativeFileInfo, content);
// Assert
Assert.Single(result.CompilationFailures);
}
public void Compile_SucceedsIfReferencesAreAddedInCallback()
{
// Arrange
var options = GetOptions(context =>
{
var assemblyLocation = typeof(object).GetTypeInfo().Assembly.Location;
context.Compilation = context
.Compilation
.AddReferences(MetadataReference.CreateFromFile(assemblyLocation));
});
var content = "public class MyTestType {}";
var compilationService = new DefaultRoslynCompilationService(
dependencyContext: null,
viewEngineOptions: options,
fileProviderAccessor: GetFileProviderAccessor(),
loggerFactory: NullLoggerFactory.Instance);
var relativeFileInfo = new RelativeFileInfo(
new TestFileInfo {
PhysicalPath = "SomePath"
},
"some-relative-path.cshtml");
// Act
var result = compilationService.Compile(relativeFileInfo, content);
// Assert
Assert.Null(result.CompilationFailures);
Assert.NotNull(result.CompiledType);
}
public void Compile_ThrowsIfDependencyContextReturnsNoReferencesAndTheApplicationFailsToCompile()
{
// Arrange
var content = "public class MyTestType {}";
var dependencyContext = new DependencyContext(
new TargetInfo("framework", "runtime", "signature", isPortable: true),
Extensions.DependencyModel.CompilationOptions.Default,
new CompilationLibrary[0],
new RuntimeLibrary[0],
Enumerable.Empty <RuntimeFallbacks>());
var compilationService = new DefaultRoslynCompilationService(
dependencyContext: dependencyContext,
viewEngineOptions: GetOptions(),
fileProviderAccessor: GetFileProviderAccessor(),
loggerFactory: NullLoggerFactory.Instance);
var relativeFileInfo = new RelativeFileInfo(
new TestFileInfo {
PhysicalPath = "SomePath"
},
"some-relative-path.cshtml");
var expected = "The Razor page 'some-relative-path.cshtml' failed to compile. Ensure that your "
+ "application's project.json sets the 'preserveCompilationContext' compilation property.";
// Act and Assert
var ex = Assert.Throws <InvalidOperationException>(() =>
compilationService.Compile(relativeFileInfo, content));
Assert.Equal(expected, ex.Message);
}
public void Compile_ThrowsIfDependencyContextIsNullAndTheApplicationFailsToCompileWithNoReferences()
{
// Arrange
var content = "public class MyTestType {}";
var compilationService = new DefaultRoslynCompilationService(
dependencyContext: null,
viewEngineOptions: GetOptions(),
fileProviderAccessor: GetFileProviderAccessor(),
loggerFactory: NullLoggerFactory.Instance);
var relativeFileInfo = new RelativeFileInfo(
new TestFileInfo {
PhysicalPath = "SomePath"
},
"some-relative-path.cshtml");
var expected = "The Razor page 'some-relative-path.cshtml' failed to compile. Ensure that your "
+ "application's project.json sets the 'preserveCompilationContext' compilation property.";
// Act and Assert
var ex = Assert.Throws <InvalidOperationException>(() =>
compilationService.Compile(relativeFileInfo, content));
Assert.Equal(expected, ex.Message);
}
public void Compile_UsesApplicationsCompilationSettings_ForParsingAndCompilation()
{
// Arrange
var content = @"
#if MY_CUSTOM_DEFINE
public class MyCustomDefinedClass {}
#else
public class MyNonCustomDefinedClass {}
#endif
";
var options = GetOptions();
options.ParseOptions = options.ParseOptions.WithPreprocessorSymbols("MY_CUSTOM_DEFINE");
var compilationService = new DefaultRoslynCompilationService(
GetDependencyContext(),
options,
GetFileProviderAccessor(),
NullLoggerFactory.Instance);
var relativeFileInfo = new RelativeFileInfo(
new TestFileInfo {
PhysicalPath = "SomePath"
},
"some-relative-path");
// Act
var result = compilationService.Compile(relativeFileInfo, content);
// Assert
Assert.NotNull(result.CompiledType);
Assert.Equal("MyCustomDefinedClass", result.CompiledType.Name);
}
public void Compile_ReturnsCompilationResult()
{
// Arrange
var content = @"
public class MyTestType {}";
var compilationService = new DefaultRoslynCompilationService(
GetDependencyContext(),
GetOptions(),
GetFileProviderAccessor(),
NullLoggerFactory.Instance);
var relativeFileInfo = new RelativeFileInfo(
new TestFileInfo { PhysicalPath = "SomePath" },
"some-relative-path");
// Act
var result = compilationService.Compile(relativeFileInfo, content);
// Assert
Assert.Equal("MyTestType", result.CompiledType.Name);
}
public void Compile_ReturnsCompilationResult()
{
// Arrange
var content = @"
public class MyTestType {}";
var compilationService = new DefaultRoslynCompilationService(
GetDependencyContext(),
GetOptions(),
GetFileProviderAccessor(),
NullLoggerFactory.Instance);
var relativeFileInfo = new RelativeFileInfo(
new TestFileInfo {
PhysicalPath = "SomePath"
},
"some-relative-path");
// Act
var result = compilationService.Compile(relativeFileInfo, content);
// Assert
Assert.Equal("MyTestType", result.CompiledType.Name);
}
public void Compile_RunsCallback()
{
// Arrange
var content = "public class MyTestType {}";
RoslynCompilationContext usedCompilation = null;
var compilationService = new DefaultRoslynCompilationService(
GetDependencyContext(),
GetOptions(callback: c => usedCompilation = c),
GetFileProviderAccessor(),
NullLoggerFactory.Instance);
var relativeFileInfo = new RelativeFileInfo(
new TestFileInfo {
PhysicalPath = "SomePath"
},
"some-relative-path");
// Act
var result = compilationService.Compile(relativeFileInfo, content);
Assert.NotNull(usedCompilation);
Assert.Single(usedCompilation.Compilation.SyntaxTrees);
}
public void Compile_ThrowsIfDependencyContextReturnsNoReferencesAndTheApplicationFailsToCompile()
{
// Arrange
var content = "public class MyTestType {}";
var dependencyContext = new DependencyContext(
new TargetInfo("framework", "runtime", "signature", isPortable: true),
Extensions.DependencyModel.CompilationOptions.Default,
new CompilationLibrary[0],
new RuntimeLibrary[0],
Enumerable.Empty<RuntimeFallbacks>());
var compilationService = new DefaultRoslynCompilationService(
dependencyContext: dependencyContext,
viewEngineOptions: GetOptions(),
fileProviderAccessor: GetFileProviderAccessor(),
loggerFactory: NullLoggerFactory.Instance);
var relativeFileInfo = new RelativeFileInfo(
new TestFileInfo { PhysicalPath = "SomePath" },
"some-relative-path.cshtml");
var expected = "The Razor page 'some-relative-path.cshtml' failed to compile. Ensure that your "
+ "application's project.json sets the 'preserveCompilationContext' compilation property.";
// Act and Assert
var ex = Assert.Throws<InvalidOperationException>(() =>
compilationService.Compile(relativeFileInfo, content));
Assert.Equal(expected, ex.Message);
}
public void Compile_ThrowsIfDependencyContextIsNullAndTheApplicationFailsToCompileWithNoReferences()
{
// Arrange
var content = "public class MyTestType {}";
var compilationService = new DefaultRoslynCompilationService(
dependencyContext: null,
viewEngineOptions: GetOptions(),
fileProviderAccessor: GetFileProviderAccessor(),
loggerFactory: NullLoggerFactory.Instance);
var relativeFileInfo = new RelativeFileInfo(
new TestFileInfo { PhysicalPath = "SomePath" },
"some-relative-path.cshtml");
var expected = "The Razor page 'some-relative-path.cshtml' failed to compile. Ensure that your "
+ "application's project.json sets the 'preserveCompilationContext' compilation property.";
// Act and Assert
var ex = Assert.Throws<InvalidOperationException>(() =>
compilationService.Compile(relativeFileInfo, content));
Assert.Equal(expected, ex.Message);
}
public void Compile_RunsCallback()
{
// Arrange
var content = "public class MyTestType {}";
RoslynCompilationContext usedCompilation = null;
var compilationService = new DefaultRoslynCompilationService(
GetDependencyContext(),
GetOptions(callback: c => usedCompilation = c),
GetFileProviderAccessor(),
NullLoggerFactory.Instance);
var relativeFileInfo = new RelativeFileInfo(
new TestFileInfo { PhysicalPath = "SomePath" },
"some-relative-path");
// Act
var result = compilationService.Compile(relativeFileInfo, content);
Assert.NotNull(usedCompilation);
Assert.Single(usedCompilation.Compilation.SyntaxTrees);
}
public void GetCompilationFailedResult_ReturnsCompilationResult_WithGroupedMessages()
{
// Arrange
var viewPath = "Views/Home/Index";
var generatedCodeFileName = "Generated Code";
var fileProvider = new TestFileProvider();
fileProvider.AddFile(viewPath, "view-content");
var options = new RazorViewEngineOptions();
options.FileProviders.Add(fileProvider);
var compilationService = new DefaultRoslynCompilationService(
GetDependencyContext(),
options,
GetFileProviderAccessor(fileProvider),
NullLoggerFactory.Instance);
var assemblyName = "random-assembly-name";
var diagnostics = new[]
{
Diagnostic.Create(
GetDiagnosticDescriptor("message-1"),
Location.Create(
viewPath,
new TextSpan(10, 5),
new LinePositionSpan(new LinePosition(10, 1), new LinePosition(10, 2)))),
Diagnostic.Create(
GetDiagnosticDescriptor("message-2"),
Location.Create(
assemblyName,
new TextSpan(1, 6),
new LinePositionSpan(new LinePosition(1, 2), new LinePosition(3, 4)))),
Diagnostic.Create(
GetDiagnosticDescriptor("message-3"),
Location.Create(
viewPath,
new TextSpan(40, 50),
new LinePositionSpan(new LinePosition(30, 5), new LinePosition(40, 12)))),
};
// Act
var compilationResult = compilationService.GetCompilationFailedResult(
viewPath,
"compilation-content",
assemblyName,
diagnostics);
// Assert
Assert.Collection(compilationResult.CompilationFailures,
failure =>
{
Assert.Equal(viewPath, failure.SourceFilePath);
Assert.Equal("view-content", failure.SourceFileContent);
Assert.Collection(failure.Messages,
message =>
{
Assert.Equal("message-1", message.Message);
Assert.Equal(viewPath, message.SourceFilePath);
Assert.Equal(11, message.StartLine);
Assert.Equal(2, message.StartColumn);
Assert.Equal(11, message.EndLine);
Assert.Equal(3, message.EndColumn);
},
message =>
{
Assert.Equal("message-3", message.Message);
Assert.Equal(viewPath, message.SourceFilePath);
Assert.Equal(31, message.StartLine);
Assert.Equal(6, message.StartColumn);
Assert.Equal(41, message.EndLine);
Assert.Equal(13, message.EndColumn);
});
},
failure =>
{
Assert.Equal(generatedCodeFileName, failure.SourceFilePath);
Assert.Equal("compilation-content", failure.SourceFileContent);
Assert.Collection(failure.Messages,
message =>
{
Assert.Equal("message-2", message.Message);
Assert.Equal(assemblyName, message.SourceFilePath);
Assert.Equal(2, message.StartLine);
Assert.Equal(3, message.StartColumn);
Assert.Equal(4, message.EndLine);
Assert.Equal(5, message.EndColumn);
});
});
}
public void Compile_DoesNotThrowIfReferencesWereClearedInCallback()
{
// Arrange
var options = GetOptions(context =>
{
context.Compilation = context.Compilation.RemoveAllReferences();
});
var content = "public class MyTestType {}";
var compilationService = new DefaultRoslynCompilationService(
dependencyContext: GetDependencyContext(),
viewEngineOptions: options,
fileProviderAccessor: GetFileProviderAccessor(),
loggerFactory: NullLoggerFactory.Instance);
var relativeFileInfo = new RelativeFileInfo(
new TestFileInfo { PhysicalPath = "SomePath" },
"some-relative-path.cshtml");
// Act
var result = compilationService.Compile(relativeFileInfo, content);
// Assert
Assert.Single(result.CompilationFailures);
}
public void Compile_SucceedsIfReferencesAreAddedInCallback()
{
// Arrange
var options = GetOptions(context =>
{
var assemblyLocation = typeof(object).GetTypeInfo().Assembly.Location;
context.Compilation = context
.Compilation
.AddReferences(MetadataReference.CreateFromFile(assemblyLocation));
});
var content = "public class MyTestType {}";
var compilationService = new DefaultRoslynCompilationService(
dependencyContext: null,
viewEngineOptions: options,
fileProviderAccessor: GetFileProviderAccessor(),
loggerFactory: NullLoggerFactory.Instance);
var relativeFileInfo = new RelativeFileInfo(
new TestFileInfo { PhysicalPath = "SomePath" },
"some-relative-path.cshtml");
// Act
var result = compilationService.Compile(relativeFileInfo, content);
// Assert
Assert.Null(result.CompilationFailures);
Assert.NotNull(result.CompiledType);
}
public void Compile_UsesApplicationsCompilationSettings_ForParsingAndCompilation()
{
// Arrange
var content = @"
#if MY_CUSTOM_DEFINE
public class MyCustomDefinedClass {}
#else
public class MyNonCustomDefinedClass {}
#endif
";
var options = GetOptions();
options.ParseOptions = options.ParseOptions.WithPreprocessorSymbols("MY_CUSTOM_DEFINE");
var compilationService = new DefaultRoslynCompilationService(
GetDependencyContext(),
options,
GetFileProviderAccessor(),
NullLoggerFactory.Instance);
var relativeFileInfo = new RelativeFileInfo(
new TestFileInfo { PhysicalPath = "SomePath" },
"some-relative-path");
// Act
var result = compilationService.Compile(relativeFileInfo, content);
// Assert
Assert.NotNull(result.CompiledType);
Assert.Equal("MyCustomDefinedClass", result.CompiledType.Name);
}
public void Compile_DoesNotThrow_IfFileCannotBeRead()
{
// Arrange
var path = "some-relative-path";
var content = $@"
#line 1 ""{path}""
this should fail";
var mockFileInfo = new Mock<IFileInfo>();
mockFileInfo.Setup(f => f.CreateReadStream())
.Throws(new Exception());
var fileProvider = new TestFileProvider();
fileProvider.AddFile(path, mockFileInfo.Object);
var compilationService = new DefaultRoslynCompilationService(
GetDependencyContext(),
GetOptions(),
GetFileProviderAccessor(),
NullLoggerFactory.Instance);
var relativeFileInfo = new RelativeFileInfo(mockFileInfo.Object, path);
// Act
var result = compilationService.Compile(relativeFileInfo, content);
// Assert
Assert.IsType<CompilationResult>(result);
Assert.Null(result.CompiledType);
var compilationFailure = Assert.Single(result.CompilationFailures);
Assert.Equal(path, compilationFailure.SourceFilePath);
Assert.Null(compilationFailure.SourceFileContent);
}
public void GetCompilationFailedResult_ReturnsCompilationResult_WithGroupedMessages()
{
// Arrange
var viewPath = "Views/Home/Index";
var generatedCodeFileName = "Generated Code";
var fileProvider = new TestFileProvider();
fileProvider.AddFile(viewPath, "view-content");
var options = new RazorViewEngineOptions();
options.FileProviders.Add(fileProvider);
var compilationService = new DefaultRoslynCompilationService(
GetDependencyContext(),
options,
GetFileProviderAccessor(fileProvider),
NullLoggerFactory.Instance);
var assemblyName = "random-assembly-name";
var diagnostics = new[]
{
Diagnostic.Create(
GetDiagnosticDescriptor("message-1"),
Location.Create(
viewPath,
new TextSpan(10, 5),
new LinePositionSpan(new LinePosition(10, 1), new LinePosition(10, 2)))),
Diagnostic.Create(
GetDiagnosticDescriptor("message-2"),
Location.Create(
assemblyName,
new TextSpan(1, 6),
new LinePositionSpan(new LinePosition(1, 2), new LinePosition(3, 4)))),
Diagnostic.Create(
GetDiagnosticDescriptor("message-3"),
Location.Create(
viewPath,
new TextSpan(40, 50),
new LinePositionSpan(new LinePosition(30, 5), new LinePosition(40, 12)))),
};
// Act
var compilationResult = compilationService.GetCompilationFailedResult(
viewPath,
"compilation-content",
assemblyName,
diagnostics);
// Assert
Assert.Collection(compilationResult.CompilationFailures,
failure =>
{
Assert.Equal(viewPath, failure.SourceFilePath);
Assert.Equal("view-content", failure.SourceFileContent);
Assert.Collection(failure.Messages,
message =>
{
Assert.Equal("message-1", message.Message);
Assert.Equal(viewPath, message.SourceFilePath);
Assert.Equal(11, message.StartLine);
Assert.Equal(2, message.StartColumn);
Assert.Equal(11, message.EndLine);
Assert.Equal(3, message.EndColumn);
},
message =>
{
Assert.Equal("message-3", message.Message);
Assert.Equal(viewPath, message.SourceFilePath);
Assert.Equal(31, message.StartLine);
Assert.Equal(6, message.StartColumn);
Assert.Equal(41, message.EndLine);
Assert.Equal(13, message.EndColumn);
});
},
failure =>
{
Assert.Equal(generatedCodeFileName, failure.SourceFilePath);
Assert.Equal("compilation-content", failure.SourceFileContent);
Assert.Collection(failure.Messages,
message =>
{
Assert.Equal("message-2", message.Message);
Assert.Equal(assemblyName, message.SourceFilePath);
Assert.Equal(2, message.StartLine);
Assert.Equal(3, message.StartColumn);
Assert.Equal(4, message.EndLine);
Assert.Equal(5, message.EndColumn);
});
});
}