public async Task DetectFeaturesAsync_FindsNoFeatures()
{
// Arrange
var source = @"
using Microsoft.AspNetCore.Builder;
namespace Microsoft.AspNetCore.Analyzers.TestFiles.CompilationFeatureDetectorTest
{
public class StartupWithNoFeatures
{
public void Configure(IApplicationBuilder app)
{
app.UseRouting();
app.UseEndpoints(endpoints =>
{
endpoints.MapFallbackToFile(""index.html"");
});
}
}
}";
var compilation = TestCompilation.Create(source);
var symbols = new StartupSymbols(compilation);
var type = (INamedTypeSymbol)compilation.GetSymbolsWithName("StartupWithNoFeatures").Single();
Assert.True(StartupFacts.IsStartupClass(symbols, type));
// Act
var features = await CompilationFeatureDetector.DetectFeaturesAsync(compilation);
// Assert
Assert.Empty(features);
}
public void IsStartupClass_RejectsNotStartupClass(string source)
{
// Arrange
var compilation = TestCompilation.Create(TestSources[source]);
var symbols = new StartupSymbols(compilation);
var type = (INamedTypeSymbol)compilation.GetSymbolsWithName(source).Single();
// Act
var result = StartupFacts.IsStartupClass(symbols, type);
// Assert
Assert.False(result);
}
public void IsConfigure_RejectsNonConfigureMethod(string source, string methodName)
{
// Arrange
var compilation = TestCompilation.Create(TestSources[source]);
var symbols = new StartupSymbols(compilation);
var type = (INamedTypeSymbol)compilation.GetSymbolsWithName(source).Single();
var methods = type.GetMembers(methodName).Cast <IMethodSymbol>();
foreach (var method in methods)
{
// Act
var result = StartupFacts.IsConfigure(symbols, method);
// Assert
Assert.False(result);
}
}
public async Task DetectFeatureAsync_StartupWithMapHub_FindsSignalR()
{
var source = @"
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.SignalR;
namespace Microsoft.AspNetCore.Analyzers.TestFiles.CompilationFeatureDetectorTest
{
public class StartupWithMapHub
{
public void Configure(IApplicationBuilder app)
{
app.UseRouting();
app.UseEndpoints(endpoints =>
{
endpoints.MapHub<MyHub>("" / test"");
});
}
}
public class MyHub : Hub
{
}
}
";
var compilation = TestCompilation.Create(source);
var symbols = new StartupSymbols(compilation);
var type = (INamedTypeSymbol)compilation.GetSymbolsWithName("StartupWithMapHub").Single();
Assert.True(StartupFacts.IsStartupClass(symbols, type));
// Act
var features = await CompilationFeatureDetector.DetectFeaturesAsync(compilation);
// Assert
Assert.Collection(features, f => Assert.Equal(WellKnownFeatures.SignalR, f));
}
public void FindConfigureMethods_AtDifferentScopes()
{
// Arrange
var source = @"
using Microsoft.AspNetCore.Builder;
public class GlobalStartup
{
public void Configure(IApplicationBuilder app)
{
}
}
namespace Another
{
public class AnotherStartup
{
public void Configure(IApplicationBuilder app)
{
}
}
}
namespace ANamespace
{
public class Startup
{
public void ConfigureDevelopment(IApplicationBuilder app)
{
}
public class NestedStartup
{
public void ConfigureTest(IApplicationBuilder app)
{
}
}
}
}
namespace ANamespace.Nested
{
public class Startup
{
public void Configure(IApplicationBuilder app)
{
}
public class NestedStartup
{
public void Configure(IApplicationBuilder app)
{
}
}
}
}";
var expected = new string[]
{
"global::ANamespace.Nested.Startup.Configure",
"global::ANamespace.Nested.Startup.NestedStartup.Configure",
"global::ANamespace.Startup.ConfigureDevelopment",
"global::ANamespace.Startup.NestedStartup.ConfigureTest",
"global::Another.AnotherStartup.Configure",
"global::GlobalStartup.Configure",
};
var compilation = TestCompilation.Create(source);
var symbols = new StartupSymbols(compilation);
// Act
var results = ConfigureMethodVisitor.FindConfigureMethods(symbols, compilation.Assembly);
// Assert
var actual = results
.Select(m => m.ContainingType.ToDisplayString(SymbolDisplayFormat.FullyQualifiedFormat) + "." + m.Name)
.OrderBy(s => s)
.ToArray();
Assert.Equal(expected, actual);
}
