public async Task DispatchesThroughPipelineOnCacheHitWithThrottling()
{
// Arrange
Mock <ICacheKeyProvider> cacheKeyProvider = new Mock <ICacheKeyProvider>();
Mock <ICommandDispatcher> underlyingCommandDispatcher = new Mock <ICommandDispatcher>();
Mock <ICacheOptionsProvider> cacheOptionsProvider = new Mock <ICacheOptionsProvider>();
Mock <ICacheAdapter> cacheWrapper = new Mock <ICacheAdapter>();
CacheOptions options = new CacheOptions(typeof(SimpleCommand), TimeSpan.FromMinutes(5), 1);
SimpleCommand command = new SimpleCommand();
SimpleResult cachedResult = new SimpleResult
{
ANumber = 2
};
cacheOptionsProvider.Setup(x => x.Get(It.IsAny <ICommand>())).Returns(options);
cacheKeyProvider.Setup(x => x.CacheKey(It.IsAny <ICommand>())).Returns("akey");
cacheWrapper.Setup(x => x.Set("akey", It.IsAny <object>(), TimeSpan.FromMinutes(5))).Returns(Task.FromResult(0));
underlyingCommandDispatcher.Setup(x => x.DispatchAsync(command, It.IsAny <CancellationToken>())).ReturnsAsync(new CommandResult <SimpleResult>(cachedResult, false));
CachedCommandDispatcher dispatcher = new CachedCommandDispatcher(cacheKeyProvider.Object, underlyingCommandDispatcher.Object, cacheOptionsProvider.Object, cacheWrapper.Object);
// Act
var result = await dispatcher.DispatchAsync(command, default(CancellationToken));
// Assert
underlyingCommandDispatcher.Verify(x => x.DispatchAsync(command, It.IsAny <CancellationToken>()), Times.Once, "Underlying dispatched was not called");
cacheWrapper.Verify(x => x.Set("akey", cachedResult, TimeSpan.FromMinutes(5)), Times.Once, "Result was not set in cache");
Assert.Equal(2, result.Result.ANumber);
}
public async Task DoesntDispatchThroughPipelineOnCacheHit()
{
// Arrange
Mock <ICacheKeyProvider> cacheKeyProvider = new Mock <ICacheKeyProvider>();
Mock <ICommandDispatcher> underlyingCommandDispatcher = new Mock <ICommandDispatcher>();
Mock <ICacheOptionsProvider> cacheOptionsProvider = new Mock <ICacheOptionsProvider>();
Mock <ICacheAdapter> cacheWrapper = new Mock <ICacheAdapter>();
CacheOptions options = new CacheOptions(typeof(SimpleCommand), TimeSpan.FromMinutes(5));
SimpleCommand command = new SimpleCommand();
SimpleResult cachedResult = new SimpleResult
{
ANumber = 2
};
cacheWrapper.Setup(x => x.Get <SimpleResult>(It.IsAny <string>())).ReturnsAsync(cachedResult);
cacheOptionsProvider.Setup(x => x.Get(It.IsAny <ICommand>())).Returns(options);
cacheKeyProvider.Setup(x => x.CacheKey(It.IsAny <ICommand>())).Returns("akey");
CachedCommandDispatcher dispatcher = new CachedCommandDispatcher(cacheKeyProvider.Object, underlyingCommandDispatcher.Object, cacheOptionsProvider.Object, cacheWrapper.Object);
// Act
var result = await dispatcher.DispatchAsync(command, default(CancellationToken));
// Assert
underlyingCommandDispatcher.Verify(x => x.DispatchAsync(command, It.IsAny <CancellationToken>()), Times.Never);
Assert.Equal(2, result.Result.ANumber);
}
public async Task ThrowsExceptionWhenNoCacheKeyReturned()
{
// Arrange
Mock <ICacheKeyProvider> cacheKeyProvider = new Mock <ICacheKeyProvider>();
Mock <ICommandDispatcher> underlyingCommandDispatcher = new Mock <ICommandDispatcher>();
Mock <ICacheOptionsProvider> cacheOptionsProvider = new Mock <ICacheOptionsProvider>();
Mock <ICacheAdapter> cacheWrapper = new Mock <ICacheAdapter>();
SimpleCommand command = new SimpleCommand();
CacheOptions options = new CacheOptions(typeof(SimpleCommand), TimeSpan.FromMinutes(5), 1);
cacheOptionsProvider.Setup(x => x.Get(It.IsAny <ICommand>())).Returns(options);
CachedCommandDispatcher dispatcher = new CachedCommandDispatcher(cacheKeyProvider.Object, underlyingCommandDispatcher.Object, cacheOptionsProvider.Object, cacheWrapper.Object);
// Act and assert
await Assert.ThrowsAsync <CacheKeyException>(() => dispatcher.DispatchAsync(command, It.IsAny <CancellationToken>()));
}
public async Task DispatchesThroughPipelineWhenNoConfiguredOptionsForCommandType()
{
// Arrange
Mock <ICacheKeyProvider> cacheKeyProvider = new Mock <ICacheKeyProvider>();
Mock <ICommandDispatcher> underlyingCommandDispatcher = new Mock <ICommandDispatcher>();
Mock <ICacheOptionsProvider> cacheOptionsProvider = new Mock <ICacheOptionsProvider>();
Mock <ICacheAdapter> cacheWrapper = new Mock <ICacheAdapter>();
SimpleCommand command = new SimpleCommand();
CachedCommandDispatcher dispatcher = new CachedCommandDispatcher(cacheKeyProvider.Object, underlyingCommandDispatcher.Object, cacheOptionsProvider.Object, cacheWrapper.Object);
// Act
await dispatcher.DispatchAsync(command, default(CancellationToken));
// Assert
underlyingCommandDispatcher.Verify(x => x.DispatchAsync(command, It.IsAny <CancellationToken>()));
cacheWrapper.Verify(x => x.Get <SimpleResult>(It.IsAny <string>()), Times.Never);
}
