public void GetInheritedChunks_ReadsChunksFromGlobalFilesInPath()
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(@"Views\accounts\_GlobalImport.cshtml", "@using AccountModels");
fileProvider.AddFile(@"Views\Shared\_GlobalImport.cshtml", "@inject SharedHelper Shared");
fileProvider.AddFile(@"Views\home\_GlobalImport.cshtml", "@using MyNamespace");
fileProvider.AddFile(@"Views\_GlobalImport.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 DefaultCodeTreeCache(fileProvider);
var host = new MvcRazorHost(cache);
var utility = new ChunkInheritanceUtility(host, cache, defaultChunks);
// Act
var codeTrees = utility.GetInheritedCodeTrees(@"Views\home\Index.cshtml");
// Assert
Assert.Equal(2, codeTrees.Count);
var viewStartChunks = codeTrees[0].Chunks;
Assert.Equal(3, viewStartChunks.Count);
Assert.IsType<LiteralChunk>(viewStartChunks[0]);
var usingChunk = Assert.IsType<UsingChunk>(viewStartChunks[1]);
Assert.Equal("MyNamespace", usingChunk.Namespace);
Assert.IsType<LiteralChunk>(viewStartChunks[2]);
viewStartChunks = codeTrees[1].Chunks;
Assert.Equal(5, viewStartChunks.Count);
Assert.IsType<LiteralChunk>(viewStartChunks[0]);
var injectChunk = Assert.IsType<InjectChunk>(viewStartChunks[1]);
Assert.Equal("MyHelper<TModel>", injectChunk.TypeName);
Assert.Equal("Helper", injectChunk.MemberName);
var setBaseTypeChunk = Assert.IsType<SetBaseTypeChunk>(viewStartChunks[2]);
Assert.Equal("MyBaseType", setBaseTypeChunk.TypeName);
Assert.IsType<StatementChunk>(viewStartChunks[3]);
Assert.IsType<LiteralChunk>(viewStartChunks[4]);
}
public void GetOrAdd_ReturnsNullValues_IfFileDoesNotExistInFileProvider()
{
// Arrange
var path = @"Views\_ViewStart.cshtml";
var mockFileProvider = new Mock<TestFileProvider> { CallBase = true };
var fileProvider = mockFileProvider.Object;
var codeTreeCache = new DefaultCodeTreeCache(fileProvider);
var expected = new CodeTree();
// Act
var result1 = codeTreeCache.GetOrAdd(path, fileInfo => expected);
var result2 = codeTreeCache.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_ReturnsCachedEntriesOnSubsequentCalls()
{
// Arrange
var path = @"Views\_ViewStart.cshtml";
var mockFileProvider = new Mock<TestFileProvider> { CallBase = true };
var fileProvider = mockFileProvider.Object;
fileProvider.AddFile(path, "test content");
var codeTreeCache = new DefaultCodeTreeCache(fileProvider);
var expected = new CodeTree();
// Act
var result1 = codeTreeCache.GetOrAdd(path, fileInfo => expected);
var result2 = codeTreeCache.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 GetInheritedChunks_ReturnsEmptySequenceIfNoGlobalsArePresent()
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(@"_GlobalImport.cs", string.Empty);
fileProvider.AddFile(@"Views\_Layout.cshtml", string.Empty);
fileProvider.AddFile(@"Views\home\_not-globalimport.cshtml", string.Empty);
var cache = new DefaultCodeTreeCache(fileProvider);
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 codeTrees = utility.GetInheritedCodeTrees(@"Views\home\Index.cshtml");
// Assert
Assert.Empty(codeTrees);
}
public void GetOrAdd_UpdatesCache_IfFileExpirationTriggerExpires()
{
// Arrange
var path = @"Views\Home\_ViewStart.cshtml";
var fileProvider = new TestFileProvider();
fileProvider.AddFile(path, "test content");
var codeTreeCache = new DefaultCodeTreeCache(fileProvider);
var expected1 = new CodeTree();
var expected2 = new CodeTree();
// Act 1
var result1 = codeTreeCache.GetOrAdd(path, fileInfo => expected1);
// Assert 1
Assert.Same(expected1, result1);
// Act 2
fileProvider.GetTrigger(path).IsExpired = true;
var result2 = codeTreeCache.GetOrAdd(path, fileInfo => expected2);
// Assert 2
Assert.Same(expected2, result2);
}
public void MergeInheritedChunks_MergesDefaultInheritedChunks()
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(@"Views\_GlobalImport.cshtml",
"@inject DifferentHelper<TModel> Html");
var cache = new DefaultCodeTreeCache(fileProvider);
var host = new MvcRazorHost(cache);
var defaultChunks = new Chunk[]
{
new InjectChunk("MyTestHtmlHelper", "Html"),
new UsingChunk { Namespace = "AppNamespace.Model" },
};
var inheritedCodeTrees = new CodeTree[]
{
new CodeTree
{
Chunks = new Chunk[]
{
new UsingChunk { Namespace = "InheritedNamespace" },
new LiteralChunk { Text = "some text" }
}
},
new CodeTree
{
Chunks = new Chunk[]
{
new UsingChunk { Namespace = "AppNamespace.Model" },
}
}
};
var utility = new ChunkInheritanceUtility(host, cache, defaultChunks);
var codeTree = new CodeTree();
// Act
utility.MergeInheritedCodeTrees(codeTree,
inheritedCodeTrees,
"dynamic");
// Assert
Assert.Equal(3, codeTree.Chunks.Count);
Assert.Same(inheritedCodeTrees[0].Chunks[0], codeTree.Chunks[0]);
Assert.Same(inheritedCodeTrees[1].Chunks[0], codeTree.Chunks[1]);
Assert.Same(defaultChunks[0], codeTree.Chunks[2]);
}
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 DefaultCodeTreeCache(fileProvider);
var host = new MvcRazorHost(cache);
var utility = new ChunkInheritanceUtility(host, cache, defaultChunks);
// Act
var codeTrees = utility.GetInheritedCodeTrees(@"Views\home\Index.cshtml");
// Assert
Assert.Collection(codeTrees,
codeTree =>
{
var viewImportsPath = @"Views\home\_ViewImports.cshtml";
Assert.Collection(codeTree.Chunks,
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);
});
},
codeTree =>
{
var viewImportsPath = @"Views\_ViewImports.cshtml";
Assert.Collection(codeTree.Chunks,
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);
});
});
}
public void GetOrAdd_UpdatesCacheWithNullValue_IfFileWasDeleted()
{
// Arrange
var path = @"Views\Home\_ViewStart.cshtml";
var fileProvider = new TestFileProvider();
fileProvider.AddFile(path, "test content");
var codeTreeCache = new DefaultCodeTreeCache(fileProvider);
var expected1 = new CodeTree();
// Act 1
var result1 = codeTreeCache.GetOrAdd(path, fileInfo => expected1);
// Assert 1
Assert.Same(expected1, result1);
// Act 2
fileProvider.DeleteFile(path);
fileProvider.GetTrigger(path).IsExpired = true;
var result2 = codeTreeCache.GetOrAdd(path, fileInfo => { throw new Exception("Shouldn't be called."); });
// Assert 2
Assert.Null(result2);
}
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 };
var codeTreeCache = new DefaultCodeTreeCache(fileProvider, options);
var codeTree1 = new CodeTree();
var codeTree2 = new CodeTree();
// Act 1
var result1 = codeTreeCache.GetOrAdd(path, fileInfo => codeTree1);
// Assert 1
Assert.Same(codeTree1, result1);
// Act 2
utcNow = utcNow.AddSeconds(59);
var result2 = codeTreeCache.GetOrAdd(path, fileInfo => { throw new Exception("Shouldn't be called."); });
// Assert 2
Assert.Same(codeTree1, result2);
// Act 3
utcNow = utcNow.AddSeconds(65);
var result3 = codeTreeCache.GetOrAdd(path, fileInfo => codeTree2);
// Assert 3
Assert.Same(codeTree2, result3);
}
private static CodeBuilderContext CreateContext()
{
var codeTreeCache = new DefaultCodeTreeCache(new TestFileProvider());
return new CodeBuilderContext(
new CodeGeneratorContext(new MvcRazorHost(codeTreeCache),
"MyClass",
"MyNamespace",
string.Empty,
shouldGenerateLinePragmas: true),
new ErrorSink());
}