public void CodeGeneratorDescriptor_Name_Uses_TypeName_When_Alias_Not_Present()
{
//Arrange
var mockServiceProvider = new Mock <IServiceProvider>();
var descriptor = new CodeGeneratorDescriptor(typeof(CodeGeneratorWithoutAlias).GetTypeInfo(),
mockServiceProvider.Object);
//Act
var name = descriptor.Name;
//Assert
Assert.Equal("CodeGeneratorWithoutAlias", name);
}
public void CodeGeneratorDescriptor_CodeGeneratorAction_Throws_When_No_GenerateCode_Method()
{
//Arrange
var mockServiceProvider = new Mock<IServiceProvider>();
var descriptor = new CodeGeneratorDescriptor(typeof(CodeGeneratorWithGenerateCodeNoParameters).GetTypeInfo(),
mockServiceProvider.Object);
//Act
var ex = Assert.Throws<InvalidOperationException>(() => descriptor.CodeGeneratorAction);
Assert.Equal("GenerateCode method with a model parameter is not found in class: " +
"Microsoft.Framework.CodeGeneration.Core.Test.CodeGeneratorDescriptorTests+CodeGeneratorWithGenerateCodeNoParameters",
ex.Message);
}
public void CodeGeneratorDescriptor_CodeGeneratorAction_Throws_When_Multiple_GenerateCode_Methods()
{
//Arrange
var mockServiceProvider = new Mock<IServiceProvider>();
var descriptor = new CodeGeneratorDescriptor(typeof(ClassWithMultipleGenerateCodeMethods).GetTypeInfo(),
mockServiceProvider.Object);
//Act
var ex = Assert.Throws<InvalidOperationException>(() => descriptor.CodeGeneratorAction);
Assert.Equal("Multiple GenerateCode methods with a model parameter are found in class: " +
"Microsoft.Extensions.CodeGeneration.Core.Test.CodeGeneratorDescriptorTests+ClassWithMultipleGenerateCodeMethods",
ex.Message);
}
public void CodeGeneratorDescriptor_Name_Uses_TypeName_When_Alias_Not_Present()
{
//Arrange
var mockServiceProvider = new Mock<IServiceProvider>();
var descriptor = new CodeGeneratorDescriptor(typeof(CodeGeneratorWithoutAlias).GetTypeInfo(),
mockServiceProvider.Object);
//Act
var name = descriptor.Name;
//Assert
Assert.Equal("CodeGeneratorWithoutAlias", name);
}
public void CodeGeneratorDescriptor_CodeGeneratorAction_Returns_Valid_GenerateCode_Method()
{
//Arrange
var mockServiceProvider = new Mock<IServiceProvider>();
var descriptor = new CodeGeneratorDescriptor(typeof(ClassWithGenerateCodeMethod).GetTypeInfo(),
mockServiceProvider.Object);
//Act
var action = descriptor.CodeGeneratorAction;
//Assert
Assert.NotNull(action);
Assert.Equal("GenerateCode", action.ActionMethod.Name);
}
public void CodeGeneratorDescriptor_CodeGeneratorAction_Returns_Valid_GenerateCode_Method()
{
//Arrange
var mockServiceProvider = new Mock <IServiceProvider>();
var descriptor = new CodeGeneratorDescriptor(typeof(ClassWithGenerateCodeMethod).GetTypeInfo(),
mockServiceProvider.Object);
//Act
var action = descriptor.CodeGeneratorAction;
//Assert
Assert.NotNull(action);
Assert.Equal("GenerateCode", action.ActionMethod.Name);
}
public void CodeGeneratorDescriptor_CodeGeneratorAction_Throws_When_Multiple_GenerateCode_Methods()
{
//Arrange
var mockServiceProvider = new Mock <IServiceProvider>();
var descriptor = new CodeGeneratorDescriptor(typeof(ClassWithMultipleGenerateCodeMethods).GetTypeInfo(),
mockServiceProvider.Object);
//Act
var ex = Assert.Throws <InvalidOperationException>(() => descriptor.CodeGeneratorAction);
Assert.Equal("Multiple GenerateCode methods with a model parameter are found in class: " +
"Microsoft.VisualStudio.Web.CodeGeneration.Core.Test.CodeGeneratorDescriptorTests+ClassWithMultipleGenerateCodeMethods",
ex.Message);
}
public void CodeGeneratorDescriptor_CodeGeneratorInstance_Throws_When_Not_Able_To_Create_Instance()
{
//Arrange
var mockServiceProvider = new Mock <IServiceProvider>();
var descriptor = new CodeGeneratorDescriptor(typeof(CodeGeneratorWithDependencies).GetTypeInfo(),
mockServiceProvider.Object);
//Act & Assert
var ex = Assert.Throws <InvalidOperationException>(() => descriptor.CodeGeneratorInstance);
Assert.True(ex.Message.StartsWith("There was an error creating the code generator instance: " +
"Microsoft.VisualStudio.Web.CodeGeneration.Core.Test.CodeGeneratorDescriptorTests+CodeGeneratorWithDependencies"));
}
public void CodeGeneratorDescriptor_CodeGeneratorAction_Throws_When_No_GenerateCode_Method()
{
//Arrange
var mockServiceProvider = new Mock <IServiceProvider>();
var descriptor = new CodeGeneratorDescriptor(typeof(CodeGeneratorWithGenerateCodeNoParameters).GetTypeInfo(),
mockServiceProvider.Object);
//Act
var ex = Assert.Throws <InvalidOperationException>(() => descriptor.CodeGeneratorAction);
Assert.Equal("GenerateCode method with a model parameter is not found in class: " +
"Microsoft.Framework.CodeGeneration.Core.Test.CodeGeneratorDescriptorTests+CodeGeneratorWithGenerateCodeNoParameters",
ex.Message);
}
public void CodeGeneratorDescriptor_CodeGeneratorInstance_Injects_Dependencies()
{
//Arrange
var mockServiceProvider = new Mock<IServiceProvider>();
mockServiceProvider
.Setup(sp => sp.GetService(typeof(IServiceProvider)))
.Returns(mockServiceProvider.Object);
var descriptor = new CodeGeneratorDescriptor(typeof(CodeGeneratorWithDependencies).GetTypeInfo(),
mockServiceProvider.Object);
//Act
var instance = descriptor.CodeGeneratorInstance as CodeGeneratorWithDependencies;
//Assert
Assert.NotNull(instance);
Assert.Equal(mockServiceProvider.Object, instance.ServiceProvider);
}
public void CodeGeneratorDescriptor_CodeGeneratorInstance_Injects_Dependencies()
{
//Arrange
var mockServiceProvider = new Mock <IServiceProvider>();
mockServiceProvider
.Setup(sp => sp.GetService(typeof(IServiceProvider)))
.Returns(mockServiceProvider.Object);
var descriptor = new CodeGeneratorDescriptor(typeof(CodeGeneratorWithDependencies).GetTypeInfo(),
mockServiceProvider.Object);
//Act
var instance = descriptor.CodeGeneratorInstance as CodeGeneratorWithDependencies;
//Assert
Assert.NotNull(instance);
Assert.Equal(mockServiceProvider.Object, instance.ServiceProvider);
}
/// <inheritdoc />
public override Task GenerateAsync(AssemblyTransformationContext context, IProgress <Diagnostic> progress, CancellationToken cancellationToken)
{
var s = Service;
void GenerateCallback()
{
// TODO: TBD: sprinkles in a bit of Validation as well...
// TODO: TBD: would be better if 'Validation' actually supported a more Fluent style...
Assumes.Present(s);
// A lot goes in behind the Descriptor parsing the Protocol Buffer file into a usable form.
var pd = s.Descriptor;
var visitor = s.CodeGenerationVisitor;
Assumes.Present(pd);
Assumes.Present(visitor);
// Then we want to Visit the Descriptor to glean the critical details for CG.
visitor.Visit(pd);
// ReSharper disable once RedundantEmptyObjectOrCollectionInitializer
var cgd = new CodeGeneratorDescriptor {
};
Assumes.NotNullOrEmpty(visitor.CompilationUnits);
Assumes.NotNullOrEmpty(cgd.CompilationUnits);
foreach (var(k, x) in visitor.CompilationUnits)
{
// TODO: TBD: potential future direction for CGR, we may work by adding a dictionary of CompilationUnitSyntax instances...
Verify.Operation(k != Guid.Empty, $"Dictionary key '{nameof(k)}' should not be Empty.");
Assumes.NotNull(x);
cgd.CompilationUnits.Add(x);
}
Assumes.Present(Descriptors);
Descriptors.Add(cgd);
}
return(Task.Run(GenerateCallback, cancellationToken));
}
public void CodeGeneratorDescriptor_CodeGeneratorInstance_Throws_When_Not_Able_To_Create_Instance()
{
//Arrange
var mockServiceProvider = new Mock<IServiceProvider>();
var descriptor = new CodeGeneratorDescriptor(typeof(CodeGeneratorWithDependencies).GetTypeInfo(),
mockServiceProvider.Object);
//Act & Assert
var ex = Assert.Throws<InvalidOperationException>(() => descriptor.CodeGeneratorInstance);
Assert.True(ex.Message.StartsWith("There was an error creating the code generator instance: " +
"Microsoft.Framework.CodeGeneration.Core.Test.CodeGeneratorDescriptorTests+CodeGeneratorWithDependencies"));
}
