public void GetOrAdd_UpdatesCacheWithNullValue_IfFileWasDeleted() { // 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(); // Act 1 var result1 = chunkTreeCache.GetOrAdd(path, fileInfo => expected1); // Assert 1 Assert.Same(expected1, result1); // Act 2 fileProvider.DeleteFile(path); fileProvider.GetChangeToken(path).HasChanged = true; var result2 = chunkTreeCache.GetOrAdd(path, fileInfo => { throw new Exception("Shouldn't be called."); }); // Assert 2 Assert.Null(result2); } }
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_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; 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_ReturnsCachedEntriesOnSubsequentCalls() { // Arrange var path = @"Views\_ViewStart.cshtml"; var mockFileProvider = new Mock <TestFileProvider> { CallBase = true }; var fileProvider = mockFileProvider.Object; fileProvider.AddFile(path, "test content"); 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_UpdatesCacheWithValue_IfFileWasAdded() { // Arrange var path = @"Views\Home\_ViewStart.cshtml"; var fileProvider = new TestFileProvider(); 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.GetTrigger(path).IsExpired = true; var result2 = chunkTreeCache.GetOrAdd(path, fileInfo => expected); // Assert 2 Assert.Same(expected, result2); }