public void GetOrAdd_ReturnsRuntimeCompiledAndPrecompiledViews()
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(ViewPath, "some content");
var cache = new CompilerCache(fileProvider, _precompiledViews);
var expected = new CompilationResult(typeof(TestView));
// Act 1
var result1 = cache.GetOrAdd(ViewPath, _ => expected);
// Assert 1
Assert.Same(typeof(TestView), result1.CompilationResult.CompiledType);
// Act 2
var result2 = cache.GetOrAdd(ViewPath, ThrowsIfCalled);
// Assert 2
Assert.True(result2.Success);
Assert.Same(typeof(TestView), result2.CompilationResult.CompiledType);
// Act 3
var result3 = cache.GetOrAdd(PrecompiledViewsPath, ThrowsIfCalled);
// Assert 3
Assert.True(result2.Success);
Assert.Same(typeof(PreCompile), result3.CompilationResult.CompiledType);
}
public void GetOrAdd_ReturnsNewResultIfFileWasModified()
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(ViewPath, "some content");
var cache = new CompilerCache(Enumerable.Empty <RazorFileInfoCollection>(), TestLoadContext, fileProvider);
var expected1 = UncachedCompilationResult.Successful(typeof(TestView), "hello world");
var expected2 = UncachedCompilationResult.Successful(typeof(DifferentView), "different content");
// Act 1
var result1 = cache.GetOrAdd(ViewPath, _ => expected1);
// Assert 1
Assert.NotSame(CompilerCacheResult.FileNotFound, result1);
Assert.Same(expected1, result1.CompilationResult);
// Act 2
// Verify we're getting cached results.
var result2 = cache.GetOrAdd(ViewPath, ThrowsIfCalled);
// Assert 2
Assert.NotSame(CompilerCacheResult.FileNotFound, result2);
Assert.Same(expected1.CompiledType, result2.CompilationResult.CompiledType);
// Act 3
fileProvider.GetTrigger(ViewPath).IsExpired = true;
var result3 = cache.GetOrAdd(ViewPath, _ => expected2);
// Assert 3
Assert.NotSame(CompilerCacheResult.FileNotFound, result3);
Assert.Same(expected2, result3.CompilationResult);
}
public void GetOrAdd_ReturnsNewResult_IfAncestorViewImportsWereModified(string globalImportPath)
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(ViewPath, "some content");
var cache = new CompilerCache(fileProvider);
var expected1 = UncachedCompilationResult.Successful(typeof(TestView), "hello world");
var expected2 = UncachedCompilationResult.Successful(typeof(DifferentView), "different content");
// Act 1
var result1 = cache.GetOrAdd(ViewPath, _ => expected1);
// Assert 1
Assert.NotSame(CompilerCacheResult.FileNotFound, result1);
Assert.Same(expected1, result1.CompilationResult);
// Act 2
// Verify we're getting cached results.
var result2 = cache.GetOrAdd(ViewPath, ThrowsIfCalled);
// Assert 2
Assert.NotSame(CompilerCacheResult.FileNotFound, result2);
Assert.Same(expected1.CompiledType, result2.CompilationResult.CompiledType);
// Act 3
fileProvider.GetChangeToken(globalImportPath).HasChanged = true;
var result3 = cache.GetOrAdd(ViewPath, _ => expected2);
// Assert 2
Assert.NotSame(CompilerCacheResult.FileNotFound, result3);
Assert.Same(expected2, result3.CompilationResult);
}
public void GetOrAdd_ReturnsFileNotFoundIfFileWasDeleted()
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(ViewPath, "some content");
var cache = new CompilerCache(fileProvider);
var type = typeof(TestView);
var expected = UncachedCompilationResult.Successful(type, "hello world");
// Act 1
var result1 = cache.GetOrAdd(ViewPath, _ => expected);
// Assert 1
Assert.NotSame(CompilerCacheResult.FileNotFound, result1);
Assert.Same(expected, result1.CompilationResult);
// Act 2
// Delete the file from the file system and set it's expiration token.
fileProvider.DeleteFile(ViewPath);
fileProvider.GetChangeToken(ViewPath).HasChanged = true;
var result2 = cache.GetOrAdd(ViewPath, ThrowsIfCalled);
// Assert 2
Assert.Same(CompilerCacheResult.FileNotFound, result2);
Assert.Null(result2.CompilationResult);
}
public void GetOrAdd_NormalizesPathSepartorForPaths(string relativePath)
{
// Arrange
var viewPath = "/Areas/Finances/Views/Home/Index.cshtml";
var fileProvider = new TestFileProvider();
fileProvider.AddFile(viewPath, "some content");
var cache = new CompilerCache(fileProvider);
var type = typeof(TestView);
var expected = UncachedCompilationResult.Successful(type, "hello world");
// Act - 1
var result1 = cache.GetOrAdd(@"Areas\Finances\Views\Home\Index.cshtml", _ => expected);
// Assert - 1
var compilationResult = Assert.IsType <UncachedCompilationResult>(result1.CompilationResult);
Assert.Same(expected, compilationResult);
Assert.Same(type, compilationResult.CompiledType);
// Act - 2
var result2 = cache.GetOrAdd(relativePath, ThrowsIfCalled);
// Assert - 2
Assert.Same(type, result2.CompilationResult.CompiledType);
}
public void GetOrAdd_DoesNotQueryFileSystem_IfCachedFileTriggerWasNotSet()
{
// Arrange
var mockFileProvider = new Mock <TestFileProvider> {
CallBase = true
};
var fileProvider = mockFileProvider.Object;
fileProvider.AddFile(ViewPath, "some content");
var cache = new CompilerCache(Enumerable.Empty <RazorFileInfoCollection>(), TestLoadContext, fileProvider);
var type = typeof(TestView);
var expected = UncachedCompilationResult.Successful(type, "hello world");
// Act 1
var result1 = cache.GetOrAdd(ViewPath, _ => expected);
// Assert 1
Assert.NotSame(CompilerCacheResult.FileNotFound, result1);
Assert.Same(expected, result1.CompilationResult);
// Act 2
var result2 = cache.GetOrAdd(ViewPath, ThrowsIfCalled);
// Assert 2
Assert.NotSame(CompilerCacheResult.FileNotFound, result2);
Assert.IsType <CompilationResult>(result2.CompilationResult);
Assert.Same(type, result2.CompilationResult.CompiledType);
mockFileProvider.Verify(v => v.GetFileInfo(ViewPath), Times.Once());
}
public void GetOrAdd_ReturnsRuntimeCompiledAndPrecompiledViews()
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(ViewPath, "some content");
var cache = new CompilerCache(new[] { new TestViewCollection() }, TestLoadContext, fileProvider);
var expected = CompilationResult.Successful(typeof(TestView));
// Act 1
var result1 = cache.GetOrAdd(ViewPath, _ => expected);
// Assert 1
Assert.Same(expected, result1.CompilationResult);
// Act 2
var result2 = cache.GetOrAdd(ViewPath, ThrowsIfCalled);
// Assert 2
Assert.NotSame(CompilerCacheResult.FileNotFound, result2);
Assert.Same(typeof(TestView), result2.CompilationResult.CompiledType);
// Act 3
var result3 = cache.GetOrAdd(PrecompiledViewsPath, ThrowsIfCalled);
// Assert 3
Assert.NotSame(CompilerCacheResult.FileNotFound, result2);
Assert.Same(typeof(PreCompile), result3.CompilationResult.CompiledType);
}
public void GetOrAdd_ReturnsFileNotFoundIfFileWasDeleted()
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(ViewPath, "some content");
var cache = new CompilerCache(Enumerable.Empty <RazorFileInfoCollection>(), TestLoadContext, fileProvider);
var type = typeof(TestView);
var expected = UncachedCompilationResult.Successful(type, "hello world");
// Act 1
var result1 = cache.GetOrAdd(ViewPath, _ => expected);
// Assert 1
Assert.NotSame(CompilerCacheResult.FileNotFound, result1);
Assert.Same(expected, result1.CompilationResult);
// Act 2
// Delete the file from the file system and set it's expiration trigger.
fileProvider.DeleteFile(ViewPath);
fileProvider.GetTrigger(ViewPath).IsExpired = true;
var result2 = cache.GetOrAdd(ViewPath, ThrowsIfCalled);
// Assert 2
Assert.Same(CompilerCacheResult.FileNotFound, result2);
Assert.Null(result2.CompilationResult);
}
public void GetOrAdd_ReturnsNewResultIfFileWasModified()
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(ViewPath, "some content");
var cache = new CompilerCache(Enumerable.Empty <RazorFileInfoCollection>(), TestLoadContext, fileProvider);
var type = typeof(RuntimeCompileIdentical);
var expected1 = UncachedCompilationResult.Successful(type, "hello world");
var expected2 = UncachedCompilationResult.Successful(type, "different content");
// Act 1
var result1 = cache.GetOrAdd(ViewPath, _ => expected1);
// Assert 1
Assert.NotSame(CompilerCacheResult.FileNotFound, result1);
Assert.Same(expected1, result1.CompilationResult);
// Act 2
fileProvider.GetTrigger(ViewPath).IsExpired = true;
var result2 = cache.GetOrAdd(ViewPath, _ => expected2);
// Assert 2
Assert.NotSame(CompilerCacheResult.FileNotFound, result2);
Assert.Same(expected2, result2.CompilationResult);
}
public void GetOrAdd_ReturnsFileNotFoundIfFileWasDeleted()
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(ViewPath, "some content");
var cache = new CompilerCache(Enumerable.Empty<RazorFileInfoCollection>(), TestLoadContext, fileProvider);
var type = typeof(TestView);
var expected = UncachedCompilationResult.Successful(type, "hello world");
// Act 1
var result1 = cache.GetOrAdd(ViewPath, _ => expected);
// Assert 1
Assert.NotSame(CompilerCacheResult.FileNotFound, result1);
Assert.Same(expected, result1.CompilationResult);
// Act 2
// Delete the file from the file system and set it's expiration trigger.
fileProvider.DeleteFile(ViewPath);
fileProvider.GetTrigger(ViewPath).IsExpired = true;
var result2 = cache.GetOrAdd(ViewPath, ThrowsIfCalled);
// Assert 2
Assert.Same(CompilerCacheResult.FileNotFound, result2);
Assert.Null(result2.CompilationResult);
}
public void GetOrAdd_DoesNotQueryFileSystem_IfCachedFileTriggerWasNotSet()
{
// Arrange
var mockFileProvider = new Mock <TestFileProvider> {
CallBase = true
};
var fileProvider = mockFileProvider.Object;
fileProvider.AddFile(ViewPath, "some content");
var cache = new CompilerCache(fileProvider);
var type = typeof(TestView);
var expected = new CompilationResult(type);
// Act 1
var result1 = cache.GetOrAdd(ViewPath, _ => expected);
// Assert 1
Assert.True(result1.Success);
Assert.Same(type, result1.CompilationResult.CompiledType);
// Act 2
var result2 = cache.GetOrAdd(ViewPath, ThrowsIfCalled);
// Assert 2
Assert.True(result2.Success);
Assert.Same(type, result2.CompilationResult.CompiledType);
mockFileProvider.Verify(v => v.GetFileInfo(ViewPath), Times.Once());
}
public void GetOrAdd_CachesExceptionsInCompilationResult()
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(ViewPath, "some content");
var cache = new CompilerCache(fileProvider);
var diagnosticMessages = new[]
{
new AspNet.Diagnostics.DiagnosticMessage("message", "message", ViewPath, 1, 1, 1, 1)
};
var compilationResult = new CompilationResult(new[]
{
new CompilationFailure(ViewPath, "some content", "compiled content", diagnosticMessages)
});
// Act and Assert - 1
var ex = Assert.Throws <CompilationFailedException>(() => cache.GetOrAdd(ViewPath, _ => compilationResult));
Assert.Same(compilationResult.CompilationFailures, ex.CompilationFailures);
// Act and Assert - 2
ex = Assert.Throws <CompilationFailedException>(() => cache.GetOrAdd(ViewPath, ThrowsIfCalled));
Assert.Same(compilationResult.CompilationFailures, ex.CompilationFailures);
}
public void GetOrAdd_UsesFilesFromCache_IfTimestampDiffers_ButContentAndLengthAreTheSame(long fileTimeUTC)
{
// Arrange
var instance = new RuntimeCompileIdentical();
var length = Encoding.UTF8.GetByteCount(instance.Content);
var fileProvider = new TestFileProvider();
var cache = new CompilerCache(new[] { new ViewCollection() }, TestLoadContext, fileProvider);
var fileInfo = new TestFileInfo
{
Length = length,
LastModified = DateTime.FromFileTimeUtc(fileTimeUTC),
Content = instance.Content
};
fileProvider.AddFile(ViewPath, fileInfo);
// Act
var result = cache.GetOrAdd(ViewPath,
compile: _ => { throw new Exception("Shouldn't be called."); });
// Assert
Assert.NotSame(CompilerCacheResult.FileNotFound, result);
var actual = result.CompilationResult;
Assert.NotNull(actual);
Assert.Equal(typeof(PreCompile), actual.CompiledType);
}
public void GetOrAdd_ReturnsFailedCompilationResult_IfFileWasRemovedFromFileSystem()
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(ViewPath, "some content");
var cache = new CompilerCache(fileProvider);
var type = typeof(TestView);
var expected = new CompilationResult(type);
// Act 1
var result1 = cache.GetOrAdd(ViewPath, _ => expected);
// Assert 1
Assert.True(result1.Success);
Assert.Same(expected.CompiledType, result1.CompilationResult.CompiledType);
// Act 2
// Delete the file from the file system and set it's expiration token.
fileProvider.DeleteFile(ViewPath);
fileProvider.GetChangeToken(ViewPath).HasChanged = true;
var result2 = cache.GetOrAdd(ViewPath, ThrowsIfCalled);
// Assert 2
Assert.False(result2.Success);
}
public void GetOrAdd_IgnoresCachedValue_IfGlobalFileWasChangedSinceCacheWasCreated(
RazorFileInfo viewStartRazorFileInfo, IFileInfo globalFileInfo)
{
// Arrange
var expectedType = typeof(RuntimeCompileDifferent);
var lastModified = DateTime.UtcNow;
var viewStartLastModified = DateTime.UtcNow;
var content = "some content";
var fileInfo = new TestFileInfo
{
Length = 1020,
Content = content,
LastModified = lastModified,
PhysicalPath = "Views\\home\\index.cshtml"
};
var fileProvider = new TestFileProvider();
fileProvider.AddFile(fileInfo.PhysicalPath, fileInfo);
fileProvider.AddFile(viewStartRazorFileInfo.RelativePath, globalFileInfo);
var viewCollection = new ViewCollection();
var cache = new CompilerCache(new[] { viewCollection }, TestLoadContext, fileProvider);
// Act
var result = cache.GetOrAdd(fileInfo.PhysicalPath,
compile: _ => CompilationResult.Successful(expectedType));
// Assert
Assert.NotSame(CompilerCacheResult.FileNotFound, result);
var actual = result.CompilationResult;
Assert.NotNull(actual);
Assert.Equal(expectedType, actual.CompiledType);
}
public void GetOrAdd_RecompilesFile_IfContentAndLengthAreChanged(
Type resultViewType,
long fileTimeUTC)
{
// Arrange
var instance = (View)Activator.CreateInstance(resultViewType);
var length = Encoding.UTF8.GetByteCount(instance.Content);
var fileProvider = new TestFileProvider();
var cache = new CompilerCache(new[] { new ViewCollection() }, TestLoadContext, fileProvider);
var fileInfo = new TestFileInfo
{
Length = length,
LastModified = DateTime.FromFileTimeUtc(fileTimeUTC),
Content = instance.Content
};
fileProvider.AddFile(ViewPath, fileInfo);
// Act
var result = cache.GetOrAdd(ViewPath,
compile: _ => CompilationResult.Successful(resultViewType));
// Assert
Assert.NotSame(CompilerCacheResult.FileNotFound, result);
var actual = result.CompilationResult;
Assert.NotNull(actual);
Assert.Equal(resultViewType, actual.CompiledType);
}
public void GetOrAdd_ReturnsNewResultIfFileWasModified()
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(ViewPath, "some content");
var cache = new CompilerCache(fileProvider);
var expected1 = new CompilationResult(typeof(TestView));
var expected2 = new CompilationResult(typeof(DifferentView));
// Act 1
var result1 = cache.GetOrAdd(ViewPath, _ => expected1);
// Assert 1
Assert.True(result1.Success);
Assert.Same(typeof(TestView), result1.CompilationResult.CompiledType);
// Act 2
// Verify we're getting cached results.
var result2 = cache.GetOrAdd(ViewPath, ThrowsIfCalled);
// Assert 2
Assert.True(result2.Success);
Assert.Same(expected1.CompiledType, result2.CompilationResult.CompiledType);
// Act 3
fileProvider.GetChangeToken(ViewPath).HasChanged = true;
var result3 = cache.GetOrAdd(ViewPath, _ => expected2);
// Assert 3
Assert.True(result3.Success);
Assert.Same(expected2.CompiledType, result3.CompilationResult.CompiledType);
}
public void GetOrAdd_DoesNotCacheCompiledContent_OnCallsAfterInitial()
{
// Arrange
var lastModified = DateTime.UtcNow;
var fileProvider = new TestFileProvider();
var cache = new CompilerCache(Enumerable.Empty <RazorFileInfoCollection>(), TestLoadContext, fileProvider);
var fileInfo = new TestFileInfo
{
PhysicalPath = "test",
LastModified = lastModified
};
fileProvider.AddFile("test", fileInfo);
var type = GetType();
var uncachedResult = UncachedCompilationResult.Successful(type, "hello world");
// Act
cache.GetOrAdd("test", _ => uncachedResult);
var result1 = cache.GetOrAdd("test", _ => { throw new Exception("shouldn't be called."); });
var result2 = cache.GetOrAdd("test", _ => { throw new Exception("shouldn't be called."); });
// Assert
Assert.NotSame(CompilerCacheResult.FileNotFound, result1);
Assert.NotSame(CompilerCacheResult.FileNotFound, result2);
var actual1 = Assert.IsType <CompilationResult>(result1.CompilationResult);
var actual2 = Assert.IsType <CompilationResult>(result2.CompilationResult);
Assert.NotSame(uncachedResult, actual1);
Assert.NotSame(uncachedResult, actual2);
Assert.Same(type, actual1.CompiledType);
Assert.Same(type, actual2.CompiledType);
}
public void Match_ReturnsFalse_IfTypeIsAbstract()
{
// Arrange
var type = typeof(AbstractRazorFileInfoCollection);
// Act
var result = CompilerCache.Match(type);
// Assert
Assert.False(result);
}
public void Match_ReturnsFalse_IfTypeHasGenericParameters()
{
// Arrange
var type = typeof(GenericRazorFileInfoCollection <>);
// Act
var result = CompilerCache.Match(type);
// Assert
Assert.False(result);
}
public void Match_ReturnsFalse_IfTypeDoesNotHaveDefaultConstructor()
{
// Arrange
var type = typeof(ParameterConstructorRazorFileInfoCollection);
// Act
var result = CompilerCache.Match(type);
// Assert
Assert.False(result);
}
public void Match_ReturnsFalse_IfTypeDoesNotDeriveFromRazorFileInfoCollection()
{
// Arrange
var type = typeof(NonSubTypeRazorFileInfoCollection);
// Act
var result = CompilerCache.Match(type);
// Assert
Assert.False(result);
}
public void Match_ReturnsTrue_IfTypeDerivesFromRazorFileInfoCollection()
{
// Arrange
var type = typeof(ViewCollection);
// Act
var result = CompilerCache.Match(type);
// Assert
Assert.True(result);
}
public void GetOrAdd_ReturnsFileNotFoundResult_IfFileIsNotFoundInFileSystem()
{
// Arrange
var fileProvider = new TestFileProvider();
var cache = new CompilerCache(fileProvider);
// Act
var result = cache.GetOrAdd("/some/path", ThrowsIfCalled);
// Assert
Assert.False(result.Success);
}
public void GetOrAdd_ReturnsFileNotFoundResult_IfFileIsNotFoundInFileSystem()
{
// Arrange
var fileProvider = new TestFileProvider();
var cache = new CompilerCache(fileProvider);
// Act
var result = cache.GetOrAdd("/some/path", ThrowsIfCalled);
// Assert
Assert.False(result.Success);
}
public void GetOrAdd_ReturnsFileNotFoundResult_IfFileIsNotFoundInFileSystem()
{
// Arrange
var fileProvider = new TestFileProvider();
var cache = new CompilerCache(Enumerable.Empty<RazorFileInfoCollection>(), TestLoadContext, fileProvider);
// Act
var result = cache.GetOrAdd("/some/path", ThrowsIfCalled);
// Assert
Assert.Same(CompilerCacheResult.FileNotFound, result);
Assert.Null(result.CompilationResult);
}
public void GetOrAdd_UsesViewsSpecifiedFromRazorFileInfoCollection()
{
// Arrange
var fileProvider = new TestFileProvider();
var cache = new CompilerCache(new[] { new TestViewCollection() }, TestLoadContext, fileProvider);
// Act
var result = cache.GetOrAdd(PrecompiledViewsPath, ThrowsIfCalled);
// Assert
Assert.NotSame(CompilerCacheResult.FileNotFound, result);
Assert.Same(typeof(PreCompile), result.CompilationResult.CompiledType);
}
public void GetOrAdd_UsesViewsSpecifiedFromRazorFileInfoCollection()
{
// Arrange
var fileProvider = new TestFileProvider();
var cache = new CompilerCache(fileProvider, _precompiledViews);
// Act
var result = cache.GetOrAdd(PrecompiledViewsPath, ThrowsIfCalled);
// Assert
Assert.True(result.Success);
Assert.Same(typeof(PreCompile), result.CompilationResult.CompiledType);
}
public void GetOrAdd_ReturnsFileNotFoundResult_IfFileIsNotFoundInFileSystem()
{
// Arrange
var fileProvider = new TestFileProvider();
var cache = new CompilerCache(Enumerable.Empty <RazorFileInfoCollection>(), TestLoadContext, fileProvider);
// Act
var result = cache.GetOrAdd("/some/path", ThrowsIfCalled);
// Assert
Assert.Same(CompilerCacheResult.FileNotFound, result);
Assert.Null(result.CompilationResult);
}
public void GetOrAdd_UsesValueFromCache_IfGlobalHasNotChanged()
{
// Arrange
var instance = new PreCompile();
var length = Encoding.UTF8.GetByteCount(instance.Content);
var fileProvider = new TestFileProvider();
var lastModified = DateTime.UtcNow;
var fileInfo = new TestFileInfo
{
Length = length,
LastModified = lastModified,
Content = instance.Content
};
fileProvider.AddFile(ViewPath, fileInfo);
var globalContent = "global-content";
var globalFileInfo = new TestFileInfo
{
Content = globalContent,
LastModified = DateTime.UtcNow
};
fileProvider.AddFile("_ViewImports.cshtml", globalFileInfo);
var globalRazorFileInfo = new RazorFileInfo
{
Hash = Crc32.Calculate(GetMemoryStream(globalContent)).ToString(CultureInfo.InvariantCulture),
HashAlgorithmVersion = 1,
LastModified = globalFileInfo.LastModified,
Length = globalFileInfo.Length,
RelativePath = "_ViewImports.cshtml",
FullTypeName = typeof(RuntimeCompileIdentical).FullName
};
var precompiledViews = new ViewCollection();
precompiledViews.Add(globalRazorFileInfo);
var cache = new CompilerCache(new[] { precompiledViews }, TestLoadContext, fileProvider);
// Act
var result = cache.GetOrAdd(ViewPath,
compile: _ => { throw new Exception("shouldn't be invoked"); });
// Assert
Assert.NotSame(CompilerCacheResult.FileNotFound, result);
var actual = result.CompilationResult;
Assert.NotNull(actual);
Assert.Equal(typeof(PreCompile), actual.CompiledType);
}
public void GetOrAdd_DoesNotRecompile_IfFileTriggerWasSetForViewImports(string globalImportPath)
{
// Arrange
var fileProvider = new TestFileProvider();
var cache = new CompilerCache(new[] { new TestViewCollection() }, TestLoadContext, fileProvider);
// Act
fileProvider.Watch(globalImportPath);
fileProvider.GetTrigger(globalImportPath).IsExpired = true;
var result = cache.GetOrAdd(PrecompiledViewsPath, ThrowsIfCalled);
// Assert
Assert.NotSame(CompilerCacheResult.FileNotFound, result);
Assert.Same(typeof(PreCompile), result.CompilationResult.CompiledType);
}
public void GetOrAdd_ReturnsFileNotFoundResult_IfPrecompiledViewWasRemovedFromFileSystem()
{
// Arrange
var precompiledViews = new ViewCollection();
var fileProvider = new TestFileProvider();
var cache = new CompilerCache(new[] { precompiledViews }, TestLoadContext, fileProvider);
// Act
var result = cache.GetOrAdd(ViewPath,
compile: _ => { throw new Exception("shouldn't be invoked"); });
// Assert
Assert.Same(CompilerCacheResult.FileNotFound, result);
Assert.Null(result.CompilationResult);
}
public void GetOrAdd_DoesNotRecompile_IfFileTriggerWasSetForViewImports(string globalImportPath)
{
// Arrange
var fileProvider = new TestFileProvider();
var cache = new CompilerCache(fileProvider, _precompiledViews);
// Act
fileProvider.Watch(globalImportPath);
fileProvider.GetChangeToken(globalImportPath).HasChanged = true;
var result = cache.GetOrAdd(PrecompiledViewsPath, ThrowsIfCalled);
// Assert
Assert.NotSame(CompilerCacheResult.FileNotFound, result);
Assert.Same(typeof(PreCompile), result.CompilationResult.CompiledType);
}
public void GetOrAdd_ReturnsCompilationResultFromFactory()
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(ViewPath, "some content");
var cache = new CompilerCache(fileProvider);
var type = typeof(TestView);
var expected = new CompilationResult(type);
// Act
var result = cache.GetOrAdd(ViewPath, _ => expected);
// Assert
Assert.True(result.Success);
Assert.Same(type, result.CompilationResult.CompiledType);
}
public void GetOrAdd_ReturnsCompilationResultFromFactory()
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(ViewPath, "some content");
var cache = new CompilerCache(fileProvider);
var type = typeof(TestView);
var expected = UncachedCompilationResult.Successful(type, "hello world");
// Act
var result = cache.GetOrAdd(ViewPath, _ => expected);
// Assert
Assert.NotSame(CompilerCacheResult.FileNotFound, result);
var actual = Assert.IsType<UncachedCompilationResult>(result.CompilationResult);
Assert.NotNull(actual);
Assert.Same(expected, actual);
Assert.Equal("hello world", actual.CompiledContent);
Assert.Same(type, actual.CompiledType);
}
public void GetOrAdd_NormalizesPathSepartorForPaths(string relativePath)
{
// Arrange
var viewPath = "/Areas/Finances/Views/Home/Index.cshtml";
var fileProvider = new TestFileProvider();
fileProvider.AddFile(viewPath, "some content");
var cache = new CompilerCache(fileProvider);
var type = typeof(TestView);
var expected = new CompilationResult(type);
// Act - 1
var result1 = cache.GetOrAdd(@"Areas\Finances\Views\Home\Index.cshtml", _ => expected);
// Assert - 1
Assert.Same(type, result1.CompilationResult.CompiledType);
// Act - 2
var result2 = cache.GetOrAdd(relativePath, ThrowsIfCalled);
// Assert - 2
Assert.Same(type, result2.CompilationResult.CompiledType);
}
public void GetOrAdd_ReturnsFailedCompilationResult_IfFileWasRemovedFromFileSystem()
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(ViewPath, "some content");
var cache = new CompilerCache(fileProvider);
var type = typeof(TestView);
var expected = new CompilationResult(type);
// Act 1
var result1 = cache.GetOrAdd(ViewPath, _ => expected);
// Assert 1
Assert.True(result1.Success);
Assert.Same(expected.CompiledType, result1.CompilationResult.CompiledType);
// Act 2
// Delete the file from the file system and set it's expiration token.
fileProvider.DeleteFile(ViewPath);
fileProvider.GetChangeToken(ViewPath).HasChanged = true;
var result2 = cache.GetOrAdd(ViewPath, ThrowsIfCalled);
// Assert 2
Assert.False(result2.Success);
}
public void GetOrAdd_DoesNotRecompile_IfFileTriggerWasSetForViewImports(string globalImportPath)
{
// Arrange
var fileProvider = new TestFileProvider();
var cache = new CompilerCache(new[] { new TestViewCollection() }, TestLoadContext, fileProvider);
// Act
fileProvider.Watch(globalImportPath);
fileProvider.GetTrigger(globalImportPath).IsExpired = true;
var result = cache.GetOrAdd(PrecompiledViewsPath, ThrowsIfCalled);
// Assert
Assert.NotSame(CompilerCacheResult.FileNotFound, result);
Assert.Same(typeof(PreCompile), result.CompilationResult.CompiledType);
}
public void GetOrAdd_NormalizesPathSepartorForPathsThatArePrecompiled(string relativePath)
{
// Arrange
var expected = typeof(PreCompile);
var viewPath = "/Areas/Finances/Views/Home/Index.cshtml";
var cache = new CompilerCache(
new TestFileProvider(),
new Dictionary<string, Type>
{
{ viewPath, expected }
});
// Act
var result = cache.GetOrAdd(relativePath, ThrowsIfCalled);
// Assert
Assert.Same(expected, result.CompilationResult.CompiledType);
}
public void GetOrAdd_DoesNotRecompile_IfFileTriggerWasSetForPrecompiledFile()
{
// Arrange
var fileProvider = new TestFileProvider();
var cache = new CompilerCache(fileProvider, _precompiledViews);
// Act
fileProvider.Watch(PrecompiledViewsPath);
fileProvider.GetChangeToken(PrecompiledViewsPath).HasChanged = true;
var result = cache.GetOrAdd(PrecompiledViewsPath, ThrowsIfCalled);
// Assert
Assert.True(result.Success);
Assert.Same(typeof(PreCompile), result.CompilationResult.CompiledType);
}
/// <summary>
/// Initializes a new instance of <see cref="DefaultCompilerCacheProvider"/>.
/// </summary>
/// <param name="optionsAccessor">An accessor to the <see cref="RazorViewEngineOptions"/>.</param>
public DefaultCompilerCacheProvider(IOptions<RazorViewEngineOptions> mvcViewOptions)
{
var fileProvider = mvcViewOptions.Value.FileProvider;
Cache = new CompilerCache(fileProvider);
}
public void GetOrAdd_CachesCompilationExceptions()
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(ViewPath, "some content");
var cache = new CompilerCache(fileProvider);
var exception = new InvalidTimeZoneException();
// Act and Assert - 1
var actual = Assert.Throws<InvalidTimeZoneException>(() =>
cache.GetOrAdd(ViewPath, _ => { throw exception; }));
Assert.Same(exception, actual);
// Act and Assert - 2
actual = Assert.Throws<InvalidTimeZoneException>(() => cache.GetOrAdd(ViewPath, ThrowsIfCalled));
Assert.Same(exception, actual);
}
public void GetOrAdd_UsesViewsSpecifiedFromRazorFileInfoCollection()
{
// Arrange
var fileProvider = new TestFileProvider();
var cache = new CompilerCache(fileProvider, _precompiledViews);
// Act
var result = cache.GetOrAdd(PrecompiledViewsPath, ThrowsIfCalled);
// Assert
Assert.NotSame(CompilerCacheResult.FileNotFound, result);
Assert.Same(typeof(PreCompile), result.CompilationResult.CompiledType);
}
public void GetOrAdd_DoesNotRecompile_IfFileTriggerWasSetForViewImports(string globalImportPath)
{
// Arrange
var fileProvider = new TestFileProvider();
var cache = new CompilerCache(fileProvider, _precompiledViews);
// Act
fileProvider.Watch(globalImportPath);
fileProvider.GetChangeToken(globalImportPath).HasChanged = true;
var result = cache.GetOrAdd(PrecompiledViewsPath, ThrowsIfCalled);
// Assert
Assert.NotSame(CompilerCacheResult.FileNotFound, result);
Assert.Same(typeof(PreCompile), result.CompilationResult.CompiledType);
}
public void GetOrAdd_ReturnsRuntimeCompiledAndPrecompiledViews()
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(ViewPath, "some content");
var cache = new CompilerCache(fileProvider, _precompiledViews);
var expected = CompilationResult.Successful(typeof(TestView));
// Act 1
var result1 = cache.GetOrAdd(ViewPath, _ => expected);
// Assert 1
Assert.Same(expected, result1.CompilationResult);
// Act 2
var result2 = cache.GetOrAdd(ViewPath, ThrowsIfCalled);
// Assert 2
Assert.NotSame(CompilerCacheResult.FileNotFound, result2);
Assert.Same(typeof(TestView), result2.CompilationResult.CompiledType);
// Act 3
var result3 = cache.GetOrAdd(PrecompiledViewsPath, ThrowsIfCalled);
// Assert 3
Assert.NotSame(CompilerCacheResult.FileNotFound, result2);
Assert.Same(typeof(PreCompile), result3.CompilationResult.CompiledType);
}
public void GetOrAdd_CachesExceptionsInCompilationResult()
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(ViewPath, "some content");
var cache = new CompilerCache(fileProvider);
var diagnosticMessages = new[]
{
new AspNet.Diagnostics.DiagnosticMessage("message", "message", ViewPath, 1, 1, 1, 1)
};
var compilationResult = new CompilationResult(new[]
{
new CompilationFailure(ViewPath, "some content", "compiled content", diagnosticMessages)
});
// Act and Assert - 1
var ex = Assert.Throws<CompilationFailedException>(() => cache.GetOrAdd(ViewPath, _ => compilationResult));
Assert.Same(compilationResult.CompilationFailures, ex.CompilationFailures);
// Act and Assert - 2
ex = Assert.Throws<CompilationFailedException>(() => cache.GetOrAdd(ViewPath, ThrowsIfCalled));
Assert.Same(compilationResult.CompilationFailures, ex.CompilationFailures);
}
public void GetOrAdd_ReturnsSuccessfulCompilationResultIfTriggerExpires()
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(ViewPath, "some content");
var cache = new CompilerCache(fileProvider);
// Act and Assert - 1
Assert.Throws<InvalidTimeZoneException>(() =>
cache.GetOrAdd(ViewPath, _ => { throw new InvalidTimeZoneException(); }));
// Act - 2
fileProvider.GetChangeToken(ViewPath).HasChanged = true;
var result = cache.GetOrAdd(ViewPath, _ => new CompilationResult(typeof(TestView)));
// Assert - 2
Assert.Same(typeof(TestView), result.CompilationResult.CompiledType);
}
public async Task GetOrAdd_DoesNotCreateMultipleCompilationResults_ForConcurrentInvocations()
{
// Arrange
var waitDuration = TimeSpan.FromSeconds(20);
var fileProvider = new TestFileProvider();
fileProvider.AddFile(ViewPath, "some content");
var resetEvent1 = new ManualResetEvent(initialState: false);
var resetEvent2 = new ManualResetEvent(initialState: false);
var cache = new CompilerCache(fileProvider);
// Act
var task1 = Task.Run(() =>
{
return cache.GetOrAdd(ViewPath, file =>
{
// Event 2
resetEvent1.WaitOne(waitDuration);
// Event 3
resetEvent2.Set();
return new CompilationResult(typeof(TestView));
});
});
var task2 = Task.Run(() =>
{
// Event 4
resetEvent2.WaitOne(waitDuration);
return cache.GetOrAdd(ViewPath, ThrowsIfCalled);
});
// Event 1
resetEvent1.Set();
await Task.WhenAll(task1, task2);
// Assert
var result1 = task1.Result;
var result2 = task2.Result;
Assert.Same(result1.CompilationResult.CompiledType, result2.CompilationResult.CompiledType);
}
public void GetOrAdd_ReturnsFileNotFoundIfFileWasDeleted()
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(ViewPath, "some content");
var cache = new CompilerCache(fileProvider);
var type = typeof(TestView);
var expected = UncachedCompilationResult.Successful(type, "hello world");
// Act 1
var result1 = cache.GetOrAdd(ViewPath, _ => expected);
// Assert 1
Assert.NotSame(CompilerCacheResult.FileNotFound, result1);
Assert.Same(expected, result1.CompilationResult);
// Act 2
// Delete the file from the file system and set it's expiration token.
fileProvider.DeleteFile(ViewPath);
fileProvider.GetChangeToken(ViewPath).HasChanged = true;
var result2 = cache.GetOrAdd(ViewPath, ThrowsIfCalled);
// Assert 2
Assert.Same(CompilerCacheResult.FileNotFound, result2);
Assert.Null(result2.CompilationResult);
}
public async Task GetOrAdd_AllowsConcurrentCompilationOfMultipleRazorPages()
{
// Arrange
var waitDuration = TimeSpan.FromSeconds(20);
var fileProvider = new TestFileProvider();
fileProvider.AddFile("/Views/Home/Index.cshtml", "Index content");
fileProvider.AddFile("/Views/Home/About.cshtml", "About content");
var resetEvent1 = new AutoResetEvent(initialState: false);
var resetEvent2 = new ManualResetEvent(initialState: false);
var cache = new CompilerCache(fileProvider);
var compilingOne = false;
var compilingTwo = false;
// Act
var task1 = Task.Run(() =>
{
return cache.GetOrAdd("/Views/Home/Index.cshtml", file =>
{
compilingOne = true;
// Event 2
resetEvent1.WaitOne(waitDuration);
// Event 3
resetEvent2.Set();
// Event 6
resetEvent1.WaitOne(waitDuration);
Assert.True(compilingTwo);
return new CompilationResult(typeof(TestView));
});
});
var task2 = Task.Run(() =>
{
// Event 4
return cache.GetOrAdd("/Views/Home/About.cshtml", file =>
{
compilingTwo = true;
// Event 4
resetEvent2.WaitOne(waitDuration);
// Event 5
resetEvent1.Set();
Assert.True(compilingOne);
return new CompilationResult(typeof(DifferentView));
});
});
// Event 1
resetEvent1.Set();
await Task.WhenAll(task1, task2);
// Assert
var result1 = task1.Result;
var result2 = task2.Result;
Assert.True(compilingOne);
Assert.True(compilingTwo);
}
public void GetOrAdd_DoesNotQueryFileSystem_IfCachedFileTriggerWasNotSet()
{
// Arrange
var mockFileProvider = new Mock<TestFileProvider> { CallBase = true };
var fileProvider = mockFileProvider.Object;
fileProvider.AddFile(ViewPath, "some content");
var cache = new CompilerCache(fileProvider);
var type = typeof(TestView);
var expected = UncachedCompilationResult.Successful(type, "hello world");
// Act 1
var result1 = cache.GetOrAdd(ViewPath, _ => expected);
// Assert 1
Assert.NotSame(CompilerCacheResult.FileNotFound, result1);
Assert.Same(expected, result1.CompilationResult);
// Act 2
var result2 = cache.GetOrAdd(ViewPath, ThrowsIfCalled);
// Assert 2
Assert.NotSame(CompilerCacheResult.FileNotFound, result2);
Assert.IsType<CompilationResult>(result2.CompilationResult);
Assert.Same(type, result2.CompilationResult.CompiledType);
mockFileProvider.Verify(v => v.GetFileInfo(ViewPath), Times.Once());
}
public void ConstructorNormalizesPrecompiledViewPath(string viewPath)
{
// Arrange
var expected = typeof(PreCompile);
var cache = new CompilerCache(
new TestFileProvider(),
new Dictionary<string, Type>
{
{ viewPath, expected }
});
// Act
var result = cache.GetOrAdd("/Areas/Finances/Views/Home/Index.cshtml", ThrowsIfCalled);
// Assert
Assert.Same(expected, result.CompilationResult.CompiledType);
}
public void GetOrAdd_ReturnsNewResult_IfAncestorViewImportsWereModified(string globalImportPath)
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(ViewPath, "some content");
var cache = new CompilerCache(fileProvider);
var expected1 = UncachedCompilationResult.Successful(typeof(TestView), "hello world");
var expected2 = UncachedCompilationResult.Successful(typeof(DifferentView), "different content");
// Act 1
var result1 = cache.GetOrAdd(ViewPath, _ => expected1);
// Assert 1
Assert.NotSame(CompilerCacheResult.FileNotFound, result1);
Assert.Same(expected1, result1.CompilationResult);
// Act 2
// Verify we're getting cached results.
var result2 = cache.GetOrAdd(ViewPath, ThrowsIfCalled);
// Assert 2
Assert.NotSame(CompilerCacheResult.FileNotFound, result2);
Assert.Same(expected1.CompiledType, result2.CompilationResult.CompiledType);
// Act 3
fileProvider.GetChangeToken(globalImportPath).HasChanged = true;
var result3 = cache.GetOrAdd(ViewPath, _ => expected2);
// Assert 2
Assert.NotSame(CompilerCacheResult.FileNotFound, result3);
Assert.Same(expected2, result3.CompilationResult);
}
public void GetOrAdd_ReturnsNewResultIfFileWasModified()
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(ViewPath, "some content");
var cache = new CompilerCache(Enumerable.Empty<RazorFileInfoCollection>(), TestLoadContext, fileProvider);
var expected1 = UncachedCompilationResult.Successful(typeof(TestView), "hello world");
var expected2 = UncachedCompilationResult.Successful(typeof(DifferentView), "different content");
// Act 1
var result1 = cache.GetOrAdd(ViewPath, _ => expected1);
// Assert 1
Assert.NotSame(CompilerCacheResult.FileNotFound, result1);
Assert.Same(expected1, result1.CompilationResult);
// Act 2
// Verify we're getting cached results.
var result2 = cache.GetOrAdd(ViewPath, ThrowsIfCalled);
// Assert 2
Assert.NotSame(CompilerCacheResult.FileNotFound, result2);
Assert.Same(expected1.CompiledType, result2.CompilationResult.CompiledType);
// Act 3
fileProvider.GetTrigger(ViewPath).IsExpired = true;
var result3 = cache.GetOrAdd(ViewPath, _ => expected2);
// Assert 3
Assert.NotSame(CompilerCacheResult.FileNotFound, result3);
Assert.Same(expected2, result3.CompilationResult);
}
public void GetOrAdd_ReturnsNewResultIfFileWasModified()
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(ViewPath, "some content");
var cache = new CompilerCache(fileProvider);
var expected1 = new CompilationResult(typeof(TestView));
var expected2 = new CompilationResult(typeof(DifferentView));
// Act 1
var result1 = cache.GetOrAdd(ViewPath, _ => expected1);
// Assert 1
Assert.True(result1.Success);
Assert.Same(typeof(TestView), result1.CompilationResult.CompiledType);
// Act 2
// Verify we're getting cached results.
var result2 = cache.GetOrAdd(ViewPath, ThrowsIfCalled);
// Assert 2
Assert.True(result2.Success);
Assert.Same(expected1.CompiledType, result2.CompilationResult.CompiledType);
// Act 3
fileProvider.GetChangeToken(ViewPath).HasChanged = true;
var result3 = cache.GetOrAdd(ViewPath, _ => expected2);
// Assert 3
Assert.True(result3.Success);
Assert.Same(expected2.CompiledType, result3.CompilationResult.CompiledType);
}
/// <summary>
/// Initializes a new instance of <see cref="DefaultCompilerCacheProvider"/>.
/// </summary>
/// <param name="fileProviderAccessor">The <see cref="IRazorViewEngineFileProviderAccessor"/>.</param>
public DefaultCompilerCacheProvider(IRazorViewEngineFileProviderAccessor fileProviderAccessor)
{
Cache = new CompilerCache(fileProviderAccessor.FileProvider);
}
