public void GetOrSet_ShouldReturnValueWhenValueIsInMemoryCache()
{
var storedValue = new DefaultClass(42);
var memoryFlowMock = new Mock <IMemoryFlow>();
memoryFlowMock.Setup(f => f.TryGetValue(It.IsAny <string>(), out storedValue))
.Returns(true)
.Verifiable();
memoryFlowMock.Setup(f => f.Set(It.IsAny <string>(), It.IsAny <DefaultClass>(), It.IsAny <TimeSpan>()))
.Verifiable();
var distributedFlowMock = new Mock <IDistributedFlow>();
distributedFlowMock.Setup(f => f.Refresh(It.IsAny <string>()))
.Verifiable();
distributedFlowMock.Setup(f => f.GetOrSet(It.IsAny <string>(), It.IsAny <Func <DefaultClass> >(), It.IsAny <DistributedCacheEntryOptions>()))
.Returns(storedValue)
.Verifiable();
var cache = new DoubleFlow(distributedFlowMock.Object, memoryFlowMock.Object);
var result = cache.GetOrSet("key", () => storedValue, TimeSpan.MaxValue);
Assert.Equal(storedValue, result);
memoryFlowMock.Verify(f => f.TryGetValue(It.IsAny <string>(), out storedValue), Times.Once);
memoryFlowMock.Verify(f => f.Set(It.IsAny <string>(), It.IsAny <DefaultClass>(), It.IsAny <TimeSpan>()), Times.Never);
distributedFlowMock.Verify(f => f.Refresh(It.IsAny <string>()), Times.Once);
distributedFlowMock.Verify(f => f.GetOrSet(It.IsAny <string>(), It.IsAny <Func <DefaultClass> >(), It.IsAny <DistributedCacheEntryOptions>()), Times.Never);
}
public async Task GetAsync_ShouldGetValueWhenValueIsInDistributedCache()
{
var storedValue = new DefaultClass(42);
var memoryFlowMock = new Mock <IMemoryFlow>();
memoryFlowMock.Setup(f => f.TryGetValue(It.IsAny <string>(), out storedValue))
.Returns(false)
.Verifiable();
memoryFlowMock.Setup(f => f.Set(It.IsAny <string>(), It.IsAny <DefaultClass>(), It.IsAny <TimeSpan>()))
.Verifiable();
var distributedFlowMock = new Mock <IDistributedFlow>();
distributedFlowMock.Setup(f => f.GetAsync <DefaultClass>(It.IsAny <string>(), It.IsAny <CancellationToken>()))
.ReturnsAsync(storedValue)
.Verifiable();
var cache = new DoubleFlow(distributedFlowMock.Object, memoryFlowMock.Object);
var result = await cache.GetAsync <DefaultClass>("key", TimeSpan.Zero);
Assert.Equal(storedValue, result);
memoryFlowMock.Verify(f => f.TryGetValue(It.IsAny <string>(), out storedValue), Times.Once);
memoryFlowMock.Verify(f => f.Set(It.IsAny <string>(), It.IsAny <DefaultClass>(), It.IsAny <TimeSpan>()), Times.Never);
distributedFlowMock.Verify(f => f.GetAsync <DefaultClass>(It.IsAny <string>(), It.IsAny <CancellationToken>()), Times.Once);
}
public void TryGetValue_ShouldReturnTrueWhenValueInDistributedCache()
{
var storedValue = new DefaultClass(42);
var memoryFlowMock = new Mock <IMemoryFlow>();
memoryFlowMock.Setup(f => f.TryGetValue(It.IsAny <string>(), out storedValue))
.Returns(false)
.Verifiable();
memoryFlowMock.Setup(f => f.Set(It.IsAny <string>(), It.IsAny <DefaultClass>(), It.IsAny <MemoryCacheEntryOptions>()))
.Verifiable();
var distributedFlowMock = new Mock <IDistributedFlow>();
distributedFlowMock.Setup(f => f.TryGetValue(It.IsAny <string>(), out storedValue))
.Returns(true)
.Verifiable();
var cache = new DoubleFlow(distributedFlowMock.Object, memoryFlowMock.Object);
var isFound = cache.TryGetValue("key", out DefaultClass result, TimeSpan.MaxValue);
Assert.True(isFound);
Assert.Equal(storedValue, result);
memoryFlowMock.Verify(f => f.TryGetValue(It.IsAny <string>(), out storedValue), Times.Once);
memoryFlowMock.Verify(f => f.Set(It.IsAny <string>(), It.IsAny <DefaultClass>(), It.IsAny <MemoryCacheEntryOptions>()), Times.Never);
distributedFlowMock.Verify(f => f.TryGetValue(It.IsAny <string>(), out storedValue), Times.Once);
}
public async Task GetOrSetAsync_ShouldReturnValueWhenValueIsNotInMemoryCache()
{
var storedValue = new DefaultClass(42);
var memoryFlowMock = new Mock <IMemoryFlow>();
memoryFlowMock.Setup(f => f.TryGetValue(It.IsAny <string>(), out storedValue))
.Returns(false)
.Verifiable();
memoryFlowMock.Setup(f => f.Set(It.IsAny <string>(), It.IsAny <DefaultClass>(), It.IsAny <MemoryCacheEntryOptions>()))
.Verifiable();
var distributedFlowMock = new Mock <IDistributedFlow>();
distributedFlowMock.Setup(f => f.RefreshAsync(It.IsAny <string>(), It.IsAny <CancellationToken>()))
.Verifiable();
distributedFlowMock.Setup(f => f.GetOrSetAsync(It.IsAny <string>(), It.IsAny <Func <Task <DefaultClass> > >(), It.IsAny <DistributedCacheEntryOptions>(), It.IsAny <CancellationToken>()))
.ReturnsAsync(storedValue)
.Verifiable();
var cache = new DoubleFlow(distributedFlowMock.Object, memoryFlowMock.Object);
var result = await cache.GetOrSetAsync("key", () => Task.FromResult(storedValue), TimeSpan.MaxValue);
Assert.Equal(storedValue, result);
memoryFlowMock.Verify(f => f.TryGetValue(It.IsAny <string>(), out storedValue), Times.Once);
memoryFlowMock.Verify(f => f.Set(It.IsAny <string>(), It.IsAny <DefaultClass>(), It.IsAny <MemoryCacheEntryOptions>()), Times.Once);
distributedFlowMock.Verify(f => f.RefreshAsync(It.IsAny <string>(), It.IsAny <CancellationToken>()), Times.Never);
distributedFlowMock.Verify(f => f.GetOrSetAsync(It.IsAny <string>(), It.IsAny <Func <Task <DefaultClass> > >(), It.IsAny <DistributedCacheEntryOptions>(), It.IsAny <CancellationToken>()), Times.Once);
}
public async Task RemoveAsync_ShouldRemoveValuesFromBothCaches()
{
var memoryFlowMock = new Mock <IMemoryFlow>();
memoryFlowMock.Setup(f => f.Remove(It.IsAny <string>()))
.Verifiable();
var distributedFlowMock = new Mock <IDistributedFlow>();
distributedFlowMock.Setup(f => f.RemoveAsync(It.IsAny <string>(), It.IsAny <CancellationToken>()))
.Verifiable();
var cache = new DoubleFlow(distributedFlowMock.Object, memoryFlowMock.Object);
await cache.RemoveAsync("key");
memoryFlowMock.Verify(f => f.Remove(It.IsAny <string>()), Times.Once);
distributedFlowMock.Verify(f => f.RemoveAsync(It.IsAny <string>(), It.IsAny <CancellationToken>()), Times.Once);
}
