public void WillExceedRateLimit_WhenExpectedCallsDoesNotExceedReamingAndResetTimeHasNotPassed_ExpectFalse()
{
int remaining = _random.Next(10, 60);
DateTime resetTime = DateTime.Now.AddSeconds(_random.Next(5, 30));
IRedditRateLimitLogic sut = CreateSut(remaining: remaining, resetTime: resetTime);
bool result = sut.WillExceedRateLimit(remaining - _random.Next(1, 10));
Assert.IsFalse(result);
}
public async Task EnforceRateLimitAsync_WhenCalledWithResetTimeEqualToNull_AssertHandleAsyncWasNotCalledOnExceptionHandler()
{
int used = _random.Next(30, 60);
int remaining = _random.Next(30, 60);
DateTime?resetTime = null;
DateTime receivedTime = DateTime.Now;
IRedditRateLimitLogic sut = CreateSut();
await sut.EnforceRateLimitAsync(used, remaining, resetTime, receivedTime);
_exceptionHandlerMock.Verify(m => m.HandleAsync(It.IsAny <AggregateException>()), Times.Never);
_exceptionHandlerMock.Verify(m => m.HandleAsync(It.IsAny <Exception>()), Times.Never);
}
public async Task EnforceRateLimitAsync_WhenCalledWithResetTimeEqualToNullAndRemainingEqualToExistingRemaining_ExpectRemainingUntouched()
{
int existingRemaining = _random.Next(30, 60);
int remaining = existingRemaining;
int used = _random.Next(30, 60);
DateTime?resetTime = null;
DateTime receivedTime = DateTime.Now;
IRedditRateLimitLogic sut = CreateSut(remaining: existingRemaining);
await sut.EnforceRateLimitAsync(used, remaining, resetTime, receivedTime);
Assert.AreEqual(existingRemaining, sut.Remaining);
}
public async Task EnforceRateLimitAsync_WhenCalledWithResetTimeEqualToNullAndUsedGreaterThanAlreadyUsed_ExpectUsedEqualToInputValue()
{
int alreadyUsed = _random.Next(30, 60);
int used = alreadyUsed + _random.Next(1, 10);
int remaining = _random.Next(30, 60);
DateTime?resetTime = null;
DateTime receivedTime = DateTime.Now;
IRedditRateLimitLogic sut = CreateSut(used: alreadyUsed);
await sut.EnforceRateLimitAsync(used, remaining, resetTime, receivedTime);
Assert.AreEqual(used, sut.Used);
}
public async Task EnforceRateLimitAsync_WhenCalledWithResetTimeLaterThanExistingResetTime_ExpectResetTimeEqualToInputValue()
{
DateTime existingResetTime = DateTime.Now.AddSeconds(_random.Next(30, 60));
DateTime?resetTime = existingResetTime.AddSeconds(_random.Next(1, 30));
int used = _random.Next(30, 60);
int remaining = _random.Next(30, 60);
DateTime receivedTime = DateTime.Now;
IRedditRateLimitLogic sut = CreateSut(resetTime: existingResetTime);
await sut.EnforceRateLimitAsync(used, remaining, resetTime, receivedTime);
Assert.AreEqual(resetTime, sut.ResetTime);
}
public async Task EnforceRateLimitAsync_WhenCalledWithResetTimeLaterThanExistingResetTime_AssertHandleAsyncWasNotCalledOnExceptionHandler()
{
DateTime existingResetTime = DateTime.Now.AddSeconds(_random.Next(30, 60));
DateTime?resetTime = existingResetTime.AddSeconds(_random.Next(1, 30));
int used = _random.Next(30, 60);
int remaining = _random.Next(30, 60);
DateTime receivedTime = DateTime.Now;
IRedditRateLimitLogic sut = CreateSut(resetTime: existingResetTime);
await sut.EnforceRateLimitAsync(used, remaining, resetTime, receivedTime);
_exceptionHandlerMock.Verify(m => m.HandleAsync(It.IsAny <AggregateException>()), Times.Never);
_exceptionHandlerMock.Verify(m => m.HandleAsync(It.IsAny <Exception>()), Times.Never);
}
public async Task EnforceRateLimitAsync_WhenCalledWithResetTimeEqualToExistingResetTimeAndUsedEqualToAlreadyUsed_ExpectUsedUntouched()
{
int alreadyUsed = _random.Next(30, 60);
int used = alreadyUsed;
DateTime existingResetTime = DateTime.Now.AddSeconds(_random.Next(30, 60));
DateTime?resetTime = existingResetTime;
int remaining = _random.Next(30, 60);
DateTime receivedTime = DateTime.Now;
IRedditRateLimitLogic sut = CreateSut(used: alreadyUsed, resetTime: existingResetTime);
await sut.EnforceRateLimitAsync(used, remaining, resetTime, receivedTime);
Assert.AreEqual(alreadyUsed, sut.Used);
}
public async Task EnforceRateLimitAsync_WhenCalledWithResetTimeBeforeThanExistingResetTimeAndRemainingGreaterThanExistingRemaining_ExpectRemainingUntouched()
{
int existingRemaining = _random.Next(30, 60);
int remaining = existingRemaining + _random.Next(1, 10);
DateTime existingResetTime = DateTime.Now.AddSeconds(_random.Next(30, 60));
DateTime?resetTime = existingResetTime.AddSeconds(_random.Next(1, 25) * -1);
int used = _random.Next(30, 60);
DateTime receivedTime = DateTime.Now;
IRedditRateLimitLogic sut = CreateSut(remaining: existingRemaining, resetTime: existingResetTime);
await sut.EnforceRateLimitAsync(used, remaining, resetTime, receivedTime);
Assert.AreEqual(existingRemaining, sut.Remaining);
}
public async Task EnforceRateLimitAsync_WhenCalledWithReceivedTimeLowerThanLatestReceivedTime_ExpectUsedUntouched()
{
int alreadyUsed = _random.Next(30, 60);
int used = alreadyUsed + _random.Next(1, 10);
DateTime existingResetTime = DateTime.Now.AddSeconds(_random.Next(10, 60));
DateTime?resetTime = existingResetTime.AddSeconds(_random.Next(10, 60));
int remaining = _random.Next(30, 60);
DateTime receivedTime = DateTime.Now;
DateTime latestReceivedTime = receivedTime.AddSeconds(_random.Next(10, 30));
IRedditRateLimitLogic sut = CreateSut(used: alreadyUsed, resetTime: existingResetTime, latestReceivedTime: latestReceivedTime);
await sut.EnforceRateLimitAsync(used, remaining, resetTime, receivedTime);
Assert.AreEqual(alreadyUsed, sut.Used);
}
public void Constructor_WhenCalled_AssertResetUtcTimeEqualToNowWithOneMinute()
{
IRedditRateLimitLogic sut = CreateSut();
Assert.IsTrue(sut.ResetUtcTime >= DateTime.UtcNow && sut.ResetUtcTime <= DateTime.UtcNow.AddMinutes(1));
}
public void Constructor_WhenCalled_AssertRemainingEqualTo60()
{
IRedditRateLimitLogic sut = CreateSut();
Assert.AreEqual(60, sut.Remaining);
}
public void Constructor_WhenCalled_AssertUsedEqualToZero()
{
IRedditRateLimitLogic sut = CreateSut();
Assert.AreEqual(0, sut.Used);
}