public void AutoPollConfigService_WithoutTimer_InvokeDispose_ShouldDisposeService()
{
// Arrange
long counter = -1;
long e1;
this.cacheMock
.Setup(m => m.GetAsync(It.IsAny <string>(), CancellationToken.None))
.ReturnsAsync(cachedPc);
this.fetcherMock
.Setup(m => m.Fetch(cachedPc))
.Callback(() => Interlocked.Increment(ref counter))
.Returns(Task.FromResult(cachedPc));
var service = new AutoPollConfigService(
fetcherMock.Object,
new CacheParameters {
ConfigCache = cacheMock.Object
},
TimeSpan.FromSeconds(0.2d),
TimeSpan.Zero,
loggerMock.Object,
false);
// Act
Thread.Sleep(TimeSpan.FromSeconds(1));
e1 = Interlocked.Read(ref counter);
service.Dispose();
// Assert
Assert.AreEqual(-1, e1);
}
public async Task AutoPollConfigService_GetConfigAsync_WithTimer_ShouldInvokeFetchAndCacheSetAndCacheGet2x()
{
// Arrange
var wd = new ManualResetEventSlim(false);
this.cacheMock
.Setup(m => m.GetAsync(It.IsAny <string>(), CancellationToken.None))
.ReturnsAsync(cachedPc);
this.fetcherMock
.Setup(m => m.Fetch(cachedPc))
.Returns(Task.FromResult(fetchedPc));
this.cacheMock
.Setup(m => m.SetAsync(It.IsAny <string>(), fetchedPc))
.Callback(() => wd.Set())
.Returns(Task.FromResult(0));
var service = new AutoPollConfigService(
fetcherMock.Object,
new CacheParameters {
ConfigCache = cacheMock.Object
},
TimeSpan.FromMinutes(1),
TimeSpan.Zero,
loggerMock.Object,
true);
// Act
wd.Wait(TimeSpan.FromMinutes(1));
await service.GetConfigAsync();
service.Dispose();
// Assert
this.cacheMock.Verify(m => m.GetAsync(It.IsAny <string>(), CancellationToken.None), Times.Exactly(2));
this.cacheMock.Verify(m => m.SetAsync(It.IsAny <string>(), fetchedPc), Times.Once);
this.fetcherMock.Verify(m => m.Fetch(cachedPc), Times.Once);
}
public void AutoPollConfigService_Dispose_ShouldStopTimer()
{
// Arrange
long counter = 0;
long e1, e2;
this.cacheMock
.Setup(m => m.GetAsync(It.IsAny <string>(), It.IsAny <CancellationToken>()))
.Returns(Task.FromResult(cachedPc));
this.fetcherMock
.Setup(m => m.Fetch(cachedPc))
.Callback(() => Interlocked.Increment(ref counter))
.Returns(Task.FromResult(cachedPc));
var service = new AutoPollConfigService(
fetcherMock.Object,
new CacheParameters {
ConfigCache = cacheMock.Object, CacheKey = ""
},
TimeSpan.FromSeconds(0.2d),
TimeSpan.Zero,
loggerMock.Object,
false);
// Act
Thread.Sleep(TimeSpan.FromSeconds(1));
e1 = Interlocked.Read(ref counter);
service.Dispose();
// Assert
Thread.Sleep(TimeSpan.FromSeconds(2));
e2 = Interlocked.Read(ref counter);
Console.WriteLine(e2 - e1);
Assert.IsTrue(e2 - e1 <= 1);
}
