public void GetInheritedChunks_ReturnsEmptySequenceIfNoGlobalsArePresent()
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(@"/_ViewImports.cs", string.Empty);
fileProvider.AddFile(@"/Views/_Layout.cshtml", string.Empty);
fileProvider.AddFile(@"/Views/home/_not-viewimports.cshtml", string.Empty);
var cache = new DefaultChunkTreeCache(fileProvider);
using (var host = new MvcRazorHost(cache))
{
var defaultChunks = new Chunk[]
{
new InjectChunk("MyTestHtmlHelper", "Html"),
new UsingChunk {
Namespace = "AppNamespace.Model"
},
};
var utility = new ChunkInheritanceUtility(host, cache, defaultChunks);
// Act
var chunkTrees = utility.GetInheritedChunkTreeResults(PlatformNormalizer.NormalizePath(@"Views\home\Index.cshtml"));
// Assert
Assert.Empty(chunkTrees);
}
}
public void DecorateCodeGenerator_DesignTimeRazorPathNormalizer_NormalizesChunkInheritanceUtilityPaths(
string rootPrefix)
{
// Arrange
var rootedAppPath = $"{rootPrefix}SomeComputer/Location/Project/";
var rootedFilePath = $"{rootPrefix}SomeComputer/Location/Project/src/file.cshtml";
var chunkTreeCache = new DefaultChunkTreeCache(new TestFileProvider());
using (var host = new MvcRazorHost(
chunkTreeCache,
pathNormalizer: new DesignTimeRazorPathNormalizer(rootedAppPath)))
{
var chunkInheritanceUtility = new PathValidatingChunkInheritanceUtility(host, chunkTreeCache);
var codeGeneratorContext = new CodeGeneratorContext(
new ChunkGeneratorContext(
host,
host.DefaultClassName,
host.DefaultNamespace,
rootedFilePath,
shouldGenerateLinePragmas: true),
new ErrorSink());
var codeGenerator = new CSharpCodeGenerator(codeGeneratorContext);
host.ChunkInheritanceUtility = chunkInheritanceUtility;
// Act
host.DecorateCodeGenerator(codeGenerator, codeGeneratorContext);
// Assert
Assert.Equal("src/file.cshtml", chunkInheritanceUtility.InheritedChunkTreePagePath, StringComparer.Ordinal);
}
}
public void DecorateRazorParser_DesignTimeRazorPathNormalizer_NormalizesChunkInheritanceUtilityPaths(
string rootPrefix)
{
// Arrange
var rootedAppPath = $"{rootPrefix}SomeComputer/Location/Project/";
var rootedFilePath = $"{rootPrefix}SomeComputer/Location/Project/src/file.cshtml";
var chunkTreeCache = new DefaultChunkTreeCache(new TestFileProvider());
using (var host = new MvcRazorHost(
chunkTreeCache,
pathNormalizer: new DesignTimeRazorPathNormalizer(rootedAppPath)))
{
var parser = new RazorParser(
host.CodeLanguage.CreateCodeParser(),
host.CreateMarkupParser(),
tagHelperDescriptorResolver: null);
var chunkInheritanceUtility = new PathValidatingChunkInheritanceUtility(host, chunkTreeCache);
host.ChunkInheritanceUtility = chunkInheritanceUtility;
// Act
host.DecorateRazorParser(parser, rootedFilePath);
// Assert
Assert.Equal("src/file.cshtml", chunkInheritanceUtility.InheritedChunkTreePagePath, StringComparer.Ordinal);
}
}
public void MergeInheritedChunks_MergesDefaultInheritedChunks()
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(@"/Views/_ViewImports.cshtml",
"@inject DifferentHelper<TModel> Html");
var cache = new DefaultChunkTreeCache(fileProvider);
using (var host = new MvcRazorHost(cache))
{
var defaultChunks = new Chunk[]
{
new InjectChunk("MyTestHtmlHelper", "Html"),
new UsingChunk {
Namespace = "AppNamespace.Model"
},
};
var inheritedChunkTrees = new ChunkTree[]
{
new ChunkTree
{
Children = new Chunk[]
{
new UsingChunk {
Namespace = "InheritedNamespace"
},
new LiteralChunk {
Text = "some text"
}
}
},
new ChunkTree
{
Children = new Chunk[]
{
new UsingChunk {
Namespace = "AppNamespace.Model"
},
}
}
};
var utility = new ChunkInheritanceUtility(host, cache, defaultChunks);
var chunkTree = new ChunkTree();
// Act
utility.MergeInheritedChunkTrees(chunkTree, inheritedChunkTrees, "dynamic");
// Assert
Assert.Collection(chunkTree.Children,
chunk => Assert.Same(defaultChunks[1], chunk),
chunk => Assert.Same(inheritedChunkTrees[0].Children[0], chunk),
chunk => Assert.Same(defaultChunks[0], chunk));
}
}
public void GetOrAdd_ReturnsCachedEntriesOnSubsequentCalls()
{
// Arrange
var path = @"Views\_ViewStart.cshtml";
var mockFileProvider = new Mock<TestFileProvider> { CallBase = true };
var fileProvider = mockFileProvider.Object;
fileProvider.AddFile(path, "test content");
using (var chunkTreeCache = new DefaultChunkTreeCache(fileProvider))
{
var expected = new ChunkTree();
// Act
var result1 = chunkTreeCache.GetOrAdd(path, fileInfo => expected);
var result2 = chunkTreeCache.GetOrAdd(path, fileInfo => { throw new Exception("Shouldn't be called."); });
// Assert
Assert.Same(expected, result1);
Assert.Same(expected, result2);
mockFileProvider.Verify(f => f.GetFileInfo(It.IsAny<string>()), Times.Once());
}
}
public void GetOrAdd_ExpiresEntriesAfterOneMinute()
{
// Arrange
var path = @"Views\Home\_ViewStart.cshtml";
var fileProvider = new TestFileProvider();
fileProvider.AddFile(path, "some content");
var clock = new Mock<ISystemClock>();
var utcNow = DateTimeOffset.UtcNow;
clock.SetupGet(c => c.UtcNow)
.Returns(() => utcNow);
var options = new MemoryCacheOptions { Clock = clock.Object };
using (var chunkTreeCache = new DefaultChunkTreeCache(fileProvider, options))
{
var chunkTree1 = new ChunkTree();
var chunkTree2 = new ChunkTree();
// Act 1
var result1 = chunkTreeCache.GetOrAdd(path, fileInfo => chunkTree1);
// Assert 1
Assert.Same(chunkTree1, result1);
// Act 2
utcNow = utcNow.AddSeconds(59);
var result2 = chunkTreeCache.GetOrAdd(path, fileInfo => { throw new Exception("Shouldn't be called."); });
// Assert 2
Assert.Same(chunkTree1, result2);
// Act 3
utcNow = utcNow.AddSeconds(65);
var result3 = chunkTreeCache.GetOrAdd(path, fileInfo => chunkTree2);
// Assert 3
Assert.Same(chunkTree2, result3);
}
}
public void GetOrAdd_ReturnsNullValues_IfFileDoesNotExistInFileProvider()
{
// Arrange
var path = @"Views\_ViewStart.cshtml";
var mockFileProvider = new Mock<TestFileProvider> { CallBase = true };
var fileProvider = mockFileProvider.Object;
using (var chunkTreeCache = new DefaultChunkTreeCache(fileProvider))
{
var expected = new ChunkTree();
// Act
var result1 = chunkTreeCache.GetOrAdd(path, fileInfo => expected);
var result2 = chunkTreeCache.GetOrAdd(path, fileInfo => { throw new Exception("Shouldn't be called."); });
// Assert
Assert.Null(result1);
Assert.Null(result2);
mockFileProvider.Verify(f => f.GetFileInfo(It.IsAny<string>()), Times.Once());
}
}
public void GetOrAdd_UpdatesCache_IfFileExpirationTriggerExpires()
{
// Arrange
var path = @"Views\Home\_ViewStart.cshtml";
var fileProvider = new TestFileProvider();
fileProvider.AddFile(path, "test content");
using (var chunkTreeCache = new DefaultChunkTreeCache(fileProvider))
{
var expected1 = new ChunkTree();
var expected2 = new ChunkTree();
// Act 1
var result1 = chunkTreeCache.GetOrAdd(path, fileInfo => expected1);
// Assert 1
Assert.Same(expected1, result1);
// Act 2
fileProvider.GetChangeToken(path).HasChanged = true;
var result2 = chunkTreeCache.GetOrAdd(path, fileInfo => expected2);
// Assert 2
Assert.Same(expected2, result2);
}
}
public void GetOrAdd_UpdatesCacheWithValue_IfFileWasAdded()
{
// Arrange
var path = @"Views\Home\_ViewStart.cshtml";
var fileProvider = new TestFileProvider();
using (var chunkTreeCache = new DefaultChunkTreeCache(fileProvider))
{
var expected = new ChunkTree();
// Act 1
var result1 = chunkTreeCache.GetOrAdd(path, fileInfo => { throw new Exception("Shouldn't be called."); });
// Assert 1
Assert.Null(result1);
// Act 2
fileProvider.AddFile(path, "test content");
fileProvider.GetChangeToken(path).HasChanged = true;
var result2 = chunkTreeCache.GetOrAdd(path, fileInfo => expected);
// Assert 2
Assert.Same(expected, result2);
}
}
public void GetInheritedChunks_ReadsChunksFromGlobalFilesInPath()
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(@"/Views/accounts/_ViewImports.cshtml", "@using AccountModels");
fileProvider.AddFile(@"/Views/Shared/_ViewImports.cshtml", "@inject SharedHelper Shared");
fileProvider.AddFile(@"/Views/home/_ViewImports.cshtml", "@using MyNamespace");
fileProvider.AddFile(@"/Views/_ViewImports.cshtml",
@"@inject MyHelper<TModel> Helper
@inherits MyBaseType
@{
Layout = ""test.cshtml"";
}
");
var defaultChunks = new Chunk[]
{
new InjectChunk("MyTestHtmlHelper", "Html"),
new UsingChunk {
Namespace = "AppNamespace.Model"
},
};
var cache = new DefaultChunkTreeCache(fileProvider);
using (var host = new MvcRazorHost(cache))
{
var utility = new ChunkInheritanceUtility(host, cache, defaultChunks);
// Act
var chunkTreeResults = utility.GetInheritedChunkTreeResults(
PlatformNormalizer.NormalizePath(@"Views\home\Index.cshtml"));
// Assert
Assert.Collection(chunkTreeResults,
chunkTreeResult =>
{
var viewImportsPath = @"/Views/_ViewImports.cshtml";
Assert.Collection(chunkTreeResult.ChunkTree.Children,
chunk =>
{
Assert.IsType <LiteralChunk>(chunk);
Assert.Equal(viewImportsPath, chunk.Start.FilePath);
},
chunk =>
{
var injectChunk = Assert.IsType <InjectChunk>(chunk);
Assert.Equal("MyHelper<TModel>", injectChunk.TypeName);
Assert.Equal("Helper", injectChunk.MemberName);
Assert.Equal(viewImportsPath, chunk.Start.FilePath);
},
chunk =>
{
Assert.IsType <LiteralChunk>(chunk);
Assert.Equal(viewImportsPath, chunk.Start.FilePath);
},
chunk =>
{
var setBaseTypeChunk = Assert.IsType <SetBaseTypeChunk>(chunk);
Assert.Equal("MyBaseType", setBaseTypeChunk.TypeName);
Assert.Equal(viewImportsPath, chunk.Start.FilePath);
},
chunk =>
{
Assert.IsType <LiteralChunk>(chunk);
Assert.Equal(viewImportsPath, chunk.Start.FilePath);
},
chunk =>
{
Assert.IsType <StatementChunk>(chunk);
Assert.Equal(viewImportsPath, chunk.Start.FilePath);
},
chunk =>
{
Assert.IsType <LiteralChunk>(chunk);
Assert.Equal(viewImportsPath, chunk.Start.FilePath);
});
Assert.Equal(viewImportsPath, chunkTreeResult.FilePath);
},
chunkTreeResult =>
{
var viewImportsPath = "/Views/home/_ViewImports.cshtml";
Assert.Collection(chunkTreeResult.ChunkTree.Children,
chunk =>
{
Assert.IsType <LiteralChunk>(chunk);
Assert.Equal(viewImportsPath, chunk.Start.FilePath);
},
chunk =>
{
var usingChunk = Assert.IsType <UsingChunk>(chunk);
Assert.Equal("MyNamespace", usingChunk.Namespace);
Assert.Equal(viewImportsPath, chunk.Start.FilePath);
},
chunk =>
{
Assert.IsType <LiteralChunk>(chunk);
Assert.Equal(viewImportsPath, chunk.Start.FilePath);
});
Assert.Equal(viewImportsPath, chunkTreeResult.FilePath);
});
}
}
public void MergeInheritedChunks_MergesDefaultInheritedChunks()
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(@"/Views/_ViewImports.cshtml",
"@inject DifferentHelper<TModel> Html");
var cache = new DefaultChunkTreeCache(fileProvider);
using (var host = new MvcRazorHost(cache, new TagHelperDescriptorResolver(designTime: false)))
{
var defaultChunks = new Chunk[]
{
new InjectChunk("MyTestHtmlHelper", "Html"),
new UsingChunk { Namespace = "AppNamespace.Model" },
};
var inheritedChunkTrees = new ChunkTree[]
{
new ChunkTree
{
Children = new Chunk[]
{
new UsingChunk { Namespace = "InheritedNamespace" },
new LiteralChunk { Text = "some text" }
}
},
new ChunkTree
{
Children = new Chunk[]
{
new UsingChunk { Namespace = "AppNamespace.Model" },
}
}
};
var utility = new ChunkInheritanceUtility(host, cache, defaultChunks);
var chunkTree = new ChunkTree();
// Act
utility.MergeInheritedChunkTrees(chunkTree, inheritedChunkTrees, "dynamic");
// Assert
Assert.Collection(chunkTree.Children,
chunk => Assert.Same(defaultChunks[1], chunk),
chunk => Assert.Same(inheritedChunkTrees[0].Children[0], chunk),
chunk => Assert.Same(defaultChunks[0], chunk));
}
}
public void GetInheritedChunks_ReadsChunksFromGlobalFilesInPath()
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(@"/Views/accounts/_ViewImports.cshtml", "@using AccountModels");
fileProvider.AddFile(@"/Views/Shared/_ViewImports.cshtml", "@inject SharedHelper Shared");
fileProvider.AddFile(@"/Views/home/_ViewImports.cshtml", "@using MyNamespace");
fileProvider.AddFile(@"/Views/_ViewImports.cshtml",
@"@inject MyHelper<TModel> Helper
@inherits MyBaseType
@{
Layout = ""test.cshtml"";
}
");
var defaultChunks = new Chunk[]
{
new InjectChunk("MyTestHtmlHelper", "Html"),
new UsingChunk { Namespace = "AppNamespace.Model" },
};
var cache = new DefaultChunkTreeCache(fileProvider);
using (var host = new MvcRazorHost(cache, new TagHelperDescriptorResolver(designTime: false)))
{
var utility = new ChunkInheritanceUtility(host, cache, defaultChunks);
// Act
var chunkTreeResults = utility.GetInheritedChunkTreeResults(
PlatformNormalizer.NormalizePath(@"Views\home\Index.cshtml"));
// Assert
Assert.Collection(chunkTreeResults,
chunkTreeResult =>
{
var viewImportsPath = @"/Views/_ViewImports.cshtml";
Assert.Collection(chunkTreeResult.ChunkTree.Children,
chunk =>
{
Assert.IsType<LiteralChunk>(chunk);
Assert.Equal(viewImportsPath, chunk.Start.FilePath);
},
chunk =>
{
var injectChunk = Assert.IsType<InjectChunk>(chunk);
Assert.Equal("MyHelper<TModel>", injectChunk.TypeName);
Assert.Equal("Helper", injectChunk.MemberName);
Assert.Equal(viewImportsPath, chunk.Start.FilePath);
},
chunk =>
{
Assert.IsType<LiteralChunk>(chunk);
Assert.Equal(viewImportsPath, chunk.Start.FilePath);
},
chunk =>
{
var setBaseTypeChunk = Assert.IsType<SetBaseTypeChunk>(chunk);
Assert.Equal("MyBaseType", setBaseTypeChunk.TypeName);
Assert.Equal(viewImportsPath, chunk.Start.FilePath);
},
chunk =>
{
Assert.IsType<LiteralChunk>(chunk);
Assert.Equal(viewImportsPath, chunk.Start.FilePath);
},
chunk =>
{
Assert.IsType<StatementChunk>(chunk);
Assert.Equal(viewImportsPath, chunk.Start.FilePath);
},
chunk =>
{
Assert.IsType<LiteralChunk>(chunk);
Assert.Equal(viewImportsPath, chunk.Start.FilePath);
});
Assert.Equal(viewImportsPath, chunkTreeResult.FilePath);
},
chunkTreeResult =>
{
var viewImportsPath = "/Views/home/_ViewImports.cshtml";
Assert.Collection(chunkTreeResult.ChunkTree.Children,
chunk =>
{
Assert.IsType<LiteralChunk>(chunk);
Assert.Equal(viewImportsPath, chunk.Start.FilePath);
},
chunk =>
{
var usingChunk = Assert.IsType<UsingChunk>(chunk);
Assert.Equal("MyNamespace", usingChunk.Namespace);
Assert.Equal(viewImportsPath, chunk.Start.FilePath);
},
chunk =>
{
Assert.IsType<LiteralChunk>(chunk);
Assert.Equal(viewImportsPath, chunk.Start.FilePath);
});
Assert.Equal(viewImportsPath, chunkTreeResult.FilePath);
});
}
}
public void GetInheritedChunks_ReturnsEmptySequenceIfNoGlobalsArePresent()
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(@"/_ViewImports.cs", string.Empty);
fileProvider.AddFile(@"/Views/_Layout.cshtml", string.Empty);
fileProvider.AddFile(@"/Views/home/_not-viewimports.cshtml", string.Empty);
var cache = new DefaultChunkTreeCache(fileProvider);
using (var host = new MvcRazorHost(cache, new TagHelperDescriptorResolver(designTime: false)))
{
var defaultChunks = new Chunk[]
{
new InjectChunk("MyTestHtmlHelper", "Html"),
new UsingChunk { Namespace = "AppNamespace.Model" },
};
var utility = new ChunkInheritanceUtility(host, cache, defaultChunks);
// Act
var chunkTrees = utility.GetInheritedChunkTreeResults(PlatformNormalizer.NormalizePath(@"Views\home\Index.cshtml"));
// Assert
Assert.Empty(chunkTrees);
}
}
private static CodeGeneratorContext CreateContext()
{
var chunkTreeCache = new DefaultChunkTreeCache(new TestFileProvider());
return new CodeGeneratorContext(
new ChunkGeneratorContext(
new MvcRazorHost(chunkTreeCache, new TagHelperDescriptorResolver(designTime: false)),
"MyClass",
"MyNamespace",
string.Empty,
shouldGenerateLinePragmas: true),
new ErrorSink());
}
