public async Task GetDateHeaderValue_ReturnsUpdatedValueAfterIdle()
{
var now = DateTimeOffset.UtcNow;
var future = now.AddSeconds(10);
var systemClock = new MockSystemClock
{
UtcNow = now
};
var timeWithoutRequestsUntilIdle = TimeSpan.FromMilliseconds(50);
var timerInterval = TimeSpan.FromMilliseconds(10);
var dateHeaderValueManager = new DateHeaderValueManager(systemClock, timeWithoutRequestsUntilIdle, timerInterval);
string result1;
string result2;
try
{
result1 = dateHeaderValueManager.GetDateHeaderValue();
systemClock.UtcNow = future;
// Wait for twice the idle timeout to ensure the timer is stopped
await Task.Delay(timeWithoutRequestsUntilIdle.Add(timeWithoutRequestsUntilIdle));
result2 = dateHeaderValueManager.GetDateHeaderValue();
}
finally
{
dateHeaderValueManager.Dispose();
}
Assert.Equal(now.ToString(Constants.RFC1123DateFormat), result1);
Assert.Equal(future.ToString(Constants.RFC1123DateFormat), result2);
Assert.True(systemClock.UtcNowCalled >= 2);
}
public void GetDateHeaderValue_ReturnsCachedValueBetweenTimerTicks()
{
var now = DateTimeOffset.UtcNow;
var future = now.AddSeconds(10);
var systemClock = new MockSystemClock
{
UtcNow = now
};
var timeWithoutRequestsUntilIdle = TimeSpan.FromSeconds(1);
var timerInterval = TimeSpan.FromSeconds(10);
var dateHeaderValueManager = new DateHeaderValueManager(systemClock, timeWithoutRequestsUntilIdle, timerInterval);
string result1;
string result2;
try
{
result1 = dateHeaderValueManager.GetDateHeaderValue();
systemClock.UtcNow = future;
result2 = dateHeaderValueManager.GetDateHeaderValue();
}
finally
{
dateHeaderValueManager.Dispose();
}
Assert.Equal(now.ToString(Constants.RFC1123DateFormat), result1);
Assert.Equal(now.ToString(Constants.RFC1123DateFormat), result2);
Assert.Equal(1, systemClock.UtcNowCalled);
}
public void GetDateHeaderValue_ReturnsDateValueInRFC1123Format()
{
var now = DateTimeOffset.UtcNow;
var systemClock = new MockSystemClock
{
UtcNow = now
};
var timeWithoutRequestsUntilIdle = TimeSpan.FromSeconds(1);
var timerInterval = TimeSpan.FromSeconds(10);
var dateHeaderValueManager = new DateHeaderValueManager(systemClock, timeWithoutRequestsUntilIdle, timerInterval);
string result;
try
{
result = dateHeaderValueManager.GetDateHeaderValue();
}
finally
{
dateHeaderValueManager.Dispose();
}
Assert.Equal(now.ToString(Constants.RFC1123DateFormat), result);
}
public void GetDateHeaderValue_ReturnsDateValueAfterDisposed()
{
var now = DateTimeOffset.UtcNow;
var future = now.AddSeconds(10);
var systemClock = new MockSystemClock
{
UtcNow = now
};
var timeWithoutRequestsUntilIdle = TimeSpan.FromSeconds(1);
var timerInterval = TimeSpan.FromSeconds(10);
var dateHeaderValueManager = new DateHeaderValueManager(systemClock, timeWithoutRequestsUntilIdle, timerInterval);
var result1 = dateHeaderValueManager.GetDateHeaderValue();
dateHeaderValueManager.Dispose();
systemClock.UtcNow = future;
var result2 = dateHeaderValueManager.GetDateHeaderValue();
Assert.Equal(now.ToString(Constants.RFC1123DateFormat), result1);
Assert.Equal(future.ToString(Constants.RFC1123DateFormat), result2);
}
