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linux-packaging-mono/external/aspnetwebstack/test/System.Web.WebPages.Razor.Test/RazorBuildProviderTest.cs

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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.CodeDom;
using System.CodeDom.Compiler;
using System.Collections;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Web.Compilation;
using ASP;
using Microsoft.CSharp;
using Moq;
using Xunit;
namespace ASP
{
public class _Page_Foo_Test_cshtml
{
}
}
namespace System.Web.WebPages.Razor.Test
{
public class RazorBuildProviderTest
{
private class MockAssemblyBuilder : IAssemblyBuilder
{
public BuildProvider BuildProvider { get; private set; }
public CodeCompileUnit CompileUnit { get; private set; }
public string LastTypeFactoryGenerated { get; private set; }
public void AddCodeCompileUnit(BuildProvider buildProvider, CodeCompileUnit compileUnit)
{
BuildProvider = buildProvider;
CompileUnit = compileUnit;
}
public void GenerateTypeFactory(string typeName)
{
LastTypeFactoryGenerated = typeName;
}
}
[Fact]
public void CodeCompilerTypeReturnsTypeFromCodeLanguage()
{
// Arrange
WebPageRazorHost host = new WebPageRazorHost("~/Foo/Baz.cshtml", @"C:\Foo\Baz.cshtml");
RazorBuildProvider provider = CreateBuildProvider("foo @bar baz");
provider.Host = host;
// Act
CompilerType type = provider.CodeCompilerType;
// Assert
Assert.Equal(typeof(CSharpCodeProvider), type.CodeDomProviderType);
}
[Fact]
public void CodeCompilerTypeSetsDebugFlagInFullTrust()
{
// Arrange
WebPageRazorHost host = new WebPageRazorHost("~/Foo/Baz.cshtml", @"C:\Foo\Baz.cshtml");
RazorBuildProvider provider = CreateBuildProvider("foo @bar baz");
provider.Host = host;
// Act
CompilerType type = provider.CodeCompilerType;
// Assert
Assert.True(type.CompilerParameters.IncludeDebugInformation);
}
[Fact]
public void GetGeneratedTypeUsesNameAndNamespaceFromHostToExtractType()
{
// Arrange
WebPageRazorHost host = new WebPageRazorHost("~/Foo/Test.cshtml", @"C:\Foo\Test.cshtml");
RazorBuildProvider provider = new RazorBuildProvider() { Host = host };
CompilerResults results = new CompilerResults(new TempFileCollection());
results.CompiledAssembly = typeof(_Page_Foo_Test_cshtml).Assembly;
// Act
Type typ = provider.GetGeneratedType(results);
// Assert
Assert.Equal(typeof(_Page_Foo_Test_cshtml), typ);
}
[Fact]
public void GenerateCodeCoreAddsGeneratedCodeToAssemblyBuilder()
{
// Arrange
WebPageRazorHost host = new WebPageRazorHost("~/Foo/Baz.cshtml", @"C:\Foo\Baz.cshtml");
RazorBuildProvider provider = new RazorBuildProvider();
CodeCompileUnit ccu = new CodeCompileUnit();
MockAssemblyBuilder asmBuilder = new MockAssemblyBuilder();
provider.Host = host;
provider.GeneratedCode = ccu;
// Act
provider.GenerateCodeCore(asmBuilder);
// Assert
Assert.Same(provider, asmBuilder.BuildProvider);
Assert.Same(ccu, asmBuilder.CompileUnit);
Assert.Equal("ASP._Page_Foo_Baz_cshtml", asmBuilder.LastTypeFactoryGenerated);
}
[Fact]
public void CodeGenerationStartedTest()
{
// Arrange
WebPageRazorHost host = new WebPageRazorHost("~/Foo/Baz.cshtml", @"C:\Foo\Baz.cshtml");
RazorBuildProvider provider = CreateBuildProvider("foo @bar baz");
provider.Host = host;
// Expected original base dependencies
var baseDependencies = new ArrayList();
baseDependencies.Add("/Samples/Foo/Baz.cshtml");
// Expected list of dependencies after GenerateCode is called
var dependencies = new ArrayList();
dependencies.Add(baseDependencies[0]);
dependencies.Add("/Samples/Foo/Foo.cshtml");
// Set up the event handler
provider.CodeGenerationStartedInternal += (sender, e) =>
{
var bp = sender as RazorBuildProvider;
bp.AddVirtualPathDependency("/Samples/Foo/Foo.cshtml");
};
// Set up the base dependency
MockAssemblyBuilder builder = new MockAssemblyBuilder();
typeof(BuildProvider).GetField("_virtualPath", BindingFlags.NonPublic | BindingFlags.Instance).SetValue(provider, CreateVirtualPath("/Samples/Foo/Baz.cshtml"));
// Test that VirtualPathDependencies returns the original dependency before GenerateCode is called
Assert.True(baseDependencies.OfType<string>().SequenceEqual(provider.VirtualPathDependencies.OfType<string>()));
// Act
provider.GenerateCodeCore(builder);
// Assert
Assert.NotNull(provider.AssemblyBuilderInternal);
Assert.Equal(builder, provider.AssemblyBuilderInternal);
Assert.True(dependencies.OfType<string>().SequenceEqual(provider.VirtualPathDependencies.OfType<string>()));
Assert.Equal("/Samples/Foo/Baz.cshtml", provider.VirtualPath);
}
[Fact]
public void AfterGeneratedCodeEventGetsExecutedAtCorrectTime()
{
// Arrange
WebPageRazorHost host = new WebPageRazorHost("~/Foo/Baz.cshtml", @"C:\Foo\Baz.cshtml");
RazorBuildProvider provider = CreateBuildProvider("foo @bar baz");
provider.Host = host;
provider.CodeGenerationCompletedInternal += (sender, e) =>
{
Assert.Equal("~/Foo/Baz.cshtml", e.VirtualPath);
e.GeneratedCode.Namespaces.Add(new CodeNamespace("DummyNamespace"));
};
// Act
CodeCompileUnit generated = provider.GeneratedCode;
// Assert
Assert.NotNull(generated.Namespaces
.OfType<CodeNamespace>()
.SingleOrDefault(ns => String.Equals(ns.Name, "DummyNamespace")));
}
[Fact]
public void GeneratedCodeThrowsHttpParseExceptionForLastParserError()
{
// Arrange
WebPageRazorHost host = new WebPageRazorHost("~/Foo/Baz.cshtml", @"C:\Foo\Baz.cshtml");
RazorBuildProvider provider = CreateBuildProvider("foo @{ if( baz");
provider.Host = host;
// Act
Assert.Throws<HttpParseException>(() => { CodeCompileUnit ccu = provider.GeneratedCode; });
}
[Fact]
public void BuildProviderFiresEventToAlterHostBeforeBuildingPath()
{
// Arrange
WebPageRazorHost expected = new TestHost("~/Foo/Boz.cshtml", @"C:\Foo\Boz.cshtml");
WebPageRazorHost expectedBefore = new WebPageRazorHost("~/Foo/Baz.cshtml", @"C:\Foo\Baz.cshtml");
RazorBuildProvider provider = CreateBuildProvider("foo");
typeof(BuildProvider).GetField("_virtualPath", BindingFlags.NonPublic | BindingFlags.Instance).SetValue(provider, CreateVirtualPath("/Samples/Foo/Baz.cshtml"));
Mock.Get(provider).Setup(p => p.GetHostFromConfig()).Returns(expectedBefore);
bool called = false;
EventHandler<CompilingPathEventArgs> handler = (sender, args) =>
{
Assert.Equal("/Samples/Foo/Baz.cshtml", args.VirtualPath);
Assert.Same(expectedBefore, args.Host);
args.Host = expected;
called = true;
};
RazorBuildProvider.CompilingPath += handler;
try
{
// Act
CodeCompileUnit ccu = provider.GeneratedCode;
// Assert
Assert.Equal("Test", ccu.Namespaces[0].Name);
Assert.Same(expected, provider.Host);
Assert.True(called);
}
finally
{
RazorBuildProvider.CompilingPath -= handler;
}
}
private static object CreateVirtualPath(string path)
{
var vPath = typeof(BuildProvider).Assembly.GetType("System.Web.VirtualPath");
var method = vPath.GetMethod("CreateNonRelative", BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Public);
return method.Invoke(null, new object[] { path });
}
private static RazorBuildProvider CreateBuildProvider(string razorContent)
{
Mock<RazorBuildProvider> mockProvider = new Mock<RazorBuildProvider>()
{
CallBase = true
};
mockProvider.Setup(p => p.InternalOpenReader())
.Returns(() => new StringReader(razorContent));
return mockProvider.Object;
}
private class TestHost : WebPageRazorHost
{
public TestHost(string virtualPath, string physicalPath) : base(virtualPath, physicalPath) { }
public override void PostProcessGeneratedCode(Web.Razor.Generator.CodeGeneratorContext context)
{
context.CompileUnit.Namespaces.Insert(0, new CodeNamespace("Test"));
}
}
}
}