public async Task GetName_ReturnsFirstName_IfMultipleAttributesAreSpecified()
{
var methodName = nameof(GetNameTests.MultipleAttributes);
var compilation = await GetCompilationForGetName();
Assert.True(TopLevelParameterNameAnalyzer.SymbolCache.TryCreate(compilation, out var symbolCache));
var type = compilation.GetTypeByMetadataName(typeof(GetNameTests).FullName);
var method = (IMethodSymbol)type.GetMembers(methodName).First();
var parameter = method.Parameters[0];
var name = TopLevelParameterNameAnalyzer.GetName(symbolCache, parameter);
Assert.Equal("name1", name);
}
public async Task GetName_ReturnsValueFromFirstAttributeWithValue()
{
var methodName = nameof(GetNameTests.SingleAttribute);
var compilation = await GetCompilationForGetName();
Assert.True(TopLevelParameterNameAnalyzer.SymbolCache.TryCreate(compilation, out var symbolCache));
var type = compilation.GetTypeByMetadataName(typeof(GetNameTests).FullName);
var method = (IMethodSymbol)type.GetMembers(methodName).First();
var parameter = method.Parameters[0];
var name = TopLevelParameterNameAnalyzer.GetName(symbolCache, parameter);
Assert.Equal("testModelName", name);
}
public async Task GetName_ReturnsName_IfAttributeDoesNotSpecifyName()
{
var methodName = nameof(GetNameTests.SingleAttributeWithoutName);
var compilation = await GetCompilationForGetName();
var symbolCache = new TopLevelParameterNameAnalyzer.SymbolCache(compilation);
var type = compilation.GetTypeByMetadataName(typeof(GetNameTests).FullName);
var method = (IMethodSymbol)type.GetMembers(methodName).First();
var parameter = method.Parameters[0];
var name = TopLevelParameterNameAnalyzer.GetName(symbolCache, parameter);
Assert.Equal("param", name);
}
private async Task <bool> IsProblematicParameterTest([CallerMemberName] string testMethod = "")
{
var testSource = MvcTestSource.Read(GetType().Name, testMethod);
var project = DiagnosticProject.Create(GetType().Assembly, new[] { testSource.Source });
var compilation = await project.GetCompilationAsync();
var modelType = compilation.GetTypeByMetadataName($"Microsoft.AspNetCore.Mvc.Analyzers.TopLevelParameterNameAnalyzerTestFiles.{testMethod}");
var method = (IMethodSymbol)modelType.GetMembers("ActionMethod").First();
var parameter = method.Parameters[0];
Assert.True(TopLevelParameterNameAnalyzer.SymbolCache.TryCreate(compilation, out var symbolCache));
var result = TopLevelParameterNameAnalyzer.IsProblematicParameter(symbolCache, parameter);
return(result);
}
public async Task SpecifiesModelType_ReturnsTrue_IfModelBinderSpecifiesTypeFromProperty()
{
var testMethod = nameof(SpecifiesModelType_ReturnsTrue_IfModelBinderSpecifiesTypeFromProperty);
var testSource = MvcTestSource.Read(GetType().Name, "SpecifiesModelTypeTests");
var project = DiagnosticProject.Create(GetType().Assembly, new[] { testSource.Source });
var compilation = await project.GetCompilationAsync();
Assert.True(TopLevelParameterNameAnalyzer.SymbolCache.TryCreate(compilation, out var symbolCache));
var type = compilation.GetTypeByMetadataName(typeof(SpecifiesModelTypeTests).FullName);
var method = (IMethodSymbol)type.GetMembers(testMethod).First();
var parameter = method.Parameters[0];
var result = TopLevelParameterNameAnalyzer.SpecifiesModelType(symbolCache, parameter);
Assert.True(result);
}
public async Task IsProblematicParameter_ReturnsFalse_ForSimpleTypes()
{
var testName = nameof(IsProblematicParameter_ReturnsFalse_ForSimpleTypes);
var testSource = MvcTestSource.Read(GetType().Name, testName);
var project = DiagnosticProject.Create(GetType().Assembly, new[] { testSource.Source });
var compilation = await project.GetCompilationAsync();
var modelType = compilation.GetTypeByMetadataName($"Microsoft.AspNetCore.Mvc.Analyzers.TopLevelParameterNameAnalyzerTestFiles.{testName}");
var method = (IMethodSymbol)modelType.GetMembers("ActionMethod").First();
Assert.True(TopLevelParameterNameAnalyzer.SymbolCache.TryCreate(compilation, out var symbolCache));
Assert.Collection(
method.Parameters,
p => Assert.False(TopLevelParameterNameAnalyzer.IsProblematicParameter(symbolCache, p)),
p => Assert.False(TopLevelParameterNameAnalyzer.IsProblematicParameter(symbolCache, p)),
p => Assert.False(TopLevelParameterNameAnalyzer.IsProblematicParameter(symbolCache, p)),
p => Assert.False(TopLevelParameterNameAnalyzer.IsProblematicParameter(symbolCache, p)),
p => Assert.False(TopLevelParameterNameAnalyzer.IsProblematicParameter(symbolCache, p)));
}