public async Task Returns_ReadJsonPatchAsync_Types()
{
string code = @"
using LaDeak.JsonMergePatch.Http;
public class Controller
{
public class SomeType { }
public async System.Threading.Tasks.Task TestMethodAsync()
{
var client = new System.Net.Http.HttpClient();
var response = await client.GetAsync(""https://test.com"");
await response.Content.ReadJsonPatchAsync<SomeType>();
}
}";
var compilation = SourceBuilder.Compile(code, new[] {
MetadataReference.CreateFromFile(typeof(PatchParameterWalkerTests).Assembly.Location),
MetadataReference.CreateFromFile(typeof(Patch <>).Assembly.Location),
MetadataReference.CreateFromFile(typeof(HttpClient).Assembly.Location),
MetadataReference.CreateFromFile(typeof(Uri).Assembly.Location),
MetadataReference.CreateFromFile(typeof(HttpContentExtensions).Assembly.Location),
MetadataReference.CreateFromFile(typeof(JsonSerializerOptions).Assembly.Location)
});
var sut = new PatchParametersWalker();
var result = sut.Process(await compilation.Tree.GetRootAsync(), compilation.Compilation.GetSemanticModel(compilation.Tree));
Assert.Equal("SomeType", result.First().Name);
}
public void MultipleInnerType_Generate_ReturnsWrappedMultipleInnerType()
{
(Compilation inputCompilation, SyntaxTree tree) = SourceBuilder.Compile(SimpleTestCode);
var walker = Substitute.For <IPatchParametersWalker>();
walker.Process(Arg.Any <SyntaxNode>(), Arg.Any <SemanticModel>()).Returns(new[] { Substitute.For <ITypeSymbol>() });
var typeBuilder = Substitute.For <ITypeBuilder>();
typeBuilder.BuildWrapperType(Arg.Any <ITypeSymbol>(), Arg.Any <string>())
.Returns(
new GeneratedWrapper()
{
ToProcessTypes = new List <ITypeSymbol>()
{
Substitute.For <ITypeSymbol>(), Substitute.For <ITypeSymbol>()
}
},
new GeneratedWrapper()
{
ToProcessTypes = new List <ITypeSymbol>()
},
new GeneratedWrapper()
{
ToProcessTypes = new List <ITypeSymbol>()
});
var sut = new MultiTypeBuilder(new[] { tree }, inputCompilation, typeBuilder, walker);
var results = sut.Generate();
Assert.Equal(3, results.Count());
}
private static Compilation CreateInputOutputCompilation(string sourceCode)
{
Compilation inputCompilation = SourceBuilder.Compile(sourceCode).Compilation;
JsonMergePatchSourceGenerator generator = new JsonMergePatchSourceGenerator();
GeneratorDriver driver = CSharpGeneratorDriver.Create(generator);
driver.RunGeneratorsAndUpdateCompilation(inputCompilation, out var outputCompilation, out var diagnostics);
return(outputCompilation);
}
public void WalkerReturnsNoFinding_Generate_ReturnsEmptyResults()
{
(Compilation inputCompilation, SyntaxTree tree) = SourceBuilder.Compile(SimpleTestCode);
var walker = Substitute.For <IPatchParametersWalker>();
walker.Process(Arg.Any <SyntaxNode>(), Arg.Any <SemanticModel>()).Returns(Enumerable.Empty <ITypeSymbol>());
var typeBuilder = Substitute.For <ITypeBuilder>();
var sut = new MultiTypeBuilder(new[] { tree }, inputCompilation, typeBuilder, walker);
var results = sut.Generate();
Assert.Empty(results);
typeBuilder.DidNotReceive().BuildWrapperType(Arg.Any <ITypeSymbol>(), Arg.Any <string>());
}
public async Task No_PatchedType_EmptyResult()
{
string code = @"
public class Controller
{
public void TestMethod1(SomeType input) { }
}";
var compilation = SourceBuilder.Compile(code, new[] { MetadataReference.CreateFromFile(typeof(PatchParameterWalkerTests).Assembly.Location), MetadataReference.CreateFromFile(typeof(Patch <>).Assembly.Location) });
var sut = new PatchParametersWalker();
var result = sut.Process(await compilation.Tree.GetRootAsync(), compilation.Compilation.GetSemanticModel(compilation.Tree));
Assert.Empty(result);
}
public async Task ReturnsGeneric_TypeOf_Patch()
{
string code = @"
public class Controller
{
public class SomeType { }
public void TestMethod(LaDeak.JsonMergePatch.Abstractions.Patch<SomeType> input) { }
}";
var compilation = SourceBuilder.Compile(code, new[] { MetadataReference.CreateFromFile(typeof(PatchParameterWalkerTests).Assembly.Location), MetadataReference.CreateFromFile(typeof(Patch <>).Assembly.Location) });
var sut = new PatchParametersWalker();
var result = sut.Process(await compilation.Tree.GetRootAsync(), compilation.Compilation.GetSemanticModel(compilation.Tree));
Assert.Equal("SomeType", result.Single().Name);
}
public async Task RecordTypeWithPatchableArgument_Patch_ReturnsType()
{
string code = @"
public class Controller
{
[LaDeak.JsonMergePatch.Abstractions.Patchable]
public record SomeType(int Param);
public record SomeOtherType(int Param);
}";
var compilation = SourceBuilder.Compile(code, new[] { MetadataReference.CreateFromFile(typeof(PatchParameterWalkerTests).Assembly.Location), MetadataReference.CreateFromFile(typeof(Patch <>).Assembly.Location) });
var sut = new PatchParametersWalker();
var result = sut.Process(await compilation.Tree.GetRootAsync(), compilation.Compilation.GetSemanticModel(compilation.Tree));
Assert.Equal("SomeType", result.Single().Name);
}
public async Task Returns_Multiple_PatchTypes()
{
string code = @"
public class Controller
{
public class SomeType { }
public void TestMethod1(LaDeak.JsonMergePatch.Abstractions.Patch<SomeType> input) { }
public void TestMethod2(LaDeak.JsonMergePatch.Abstractions.Patch<bool> input) { }
}";
var compilation = SourceBuilder.Compile(code, new[] { MetadataReference.CreateFromFile(typeof(PatchParameterWalkerTests).Assembly.Location), MetadataReference.CreateFromFile(typeof(Patch <>).Assembly.Location) });
var sut = new PatchParametersWalker();
var result = sut.Process(await compilation.Tree.GetRootAsync(), compilation.Compilation.GetSemanticModel(compilation.Tree));
Assert.Equal("SomeType", result.First().Name);
Assert.Equal("Boolean", result.Last().Name);
Assert.Equal("System", result.Last().ContainingNamespace.Name);
}
public void GeneratedWrappersSource_SameAsReturnedByTypeBuilder()
{
(Compilation inputCompilation, SyntaxTree tree) = SourceBuilder.Compile(SimpleTestCode);
var walker = Substitute.For <IPatchParametersWalker>();
walker.Process(Arg.Any <SyntaxNode>(), Arg.Any <SemanticModel>()).Returns(new[] { Substitute.For <ITypeSymbol>() });
var typeBuilder = Substitute.For <ITypeBuilder>();
var typeBuilderResult = new GeneratedWrapper()
{
ToProcessTypes = new List <ITypeSymbol>(), FileName = "file.cs", SourceCode = "namespace TestNameSpace { }", SourceTypeFullName = "Source.FullName", TargetTypeFullName = "Target.FullName"
};
typeBuilder.BuildWrapperType(Arg.Any <ITypeSymbol>(), Arg.Any <string>()).Returns(typeBuilderResult);
var sut = new MultiTypeBuilder(new[] { tree }, inputCompilation, typeBuilder, walker);
var result = sut.Generate().Single();
Assert.Equal(typeBuilderResult.FileName, result.FileName);
Assert.Equal(typeBuilderResult.SourceCode, result.SourceCode);
Assert.Equal(typeBuilderResult.SourceTypeFullName, result.SourceTypeFullName);
Assert.Equal(typeBuilderResult.TargetTypeFullName, result.TargetTypeFullName);
}
private static Compilation CreateCompilation(string source) => SourceBuilder.Compile(source).Compilation;