public void CalculateDelay_without_XRateLimitReset()
{
// Arrange
var maxAttempts = 5;
var mockSystemClock = new MockSystemClock(2016, 11, 11, 13, 14, 0, 0);
var sendGridRetryStrategy = new SendGridRetryStrategy(maxAttempts, mockSystemClock.Object);
var response = new HttpResponseMessage((HttpStatusCode)428);
// Act
var result = sendGridRetryStrategy.GetDelay(1, response);
// Assert
result.ShouldBe(TimeSpan.FromSeconds(1));
}
public void GetNextDelay_with_null_HttpHeaders()
{
// Arrange
var maxAttempts = 5;
var mockSystemClock = new MockSystemClock(2016, 11, 11, 13, 14, 0, 0);
var sendGridRetryStrategy = new SendGridRetryStrategy(maxAttempts, mockSystemClock.Object);
var response = (HttpResponseMessage)null;
// Act
var result = sendGridRetryStrategy.GetDelay(1, response);
// Assert
result.ShouldBe(TimeSpan.FromSeconds(1));
}
public void ShouldRetry_returns_false_when_previous_response_is_null()
{
// Arrange
var maxAttempts = 5;
var mockSystemClock = new MockSystemClock(2016, 11, 11, 13, 14, 0, 0);
var sendGridRetryStrategy = new SendGridRetryStrategy(maxAttempts, mockSystemClock.Object);
var response = (HttpResponseMessage)null;
// Act
var result = sendGridRetryStrategy.ShouldRetry(response);
// Assert
result.ShouldBeFalse();
}
public void ShouldRetry_returns_false_when_statuscode_not_429()
{
// Arrange
var maxAttempts = 5;
var mockSystemClock = new MockSystemClock(2016, 11, 11, 13, 14, 0, 0);
var sendGridRetryStrategy = new SendGridRetryStrategy(maxAttempts, mockSystemClock.Object);
var response = new HttpResponseMessage(HttpStatusCode.BadGateway);
// Act
var result = sendGridRetryStrategy.ShouldRetry(response);
// Assert
result.ShouldBeFalse();
}
public void CalculateDelay_with_too_large_XRateLimitReset()
{
// Arrange
var maxAttempts = 5;
var mockSystemClock = new MockSystemClock(2016, 11, 11, 13, 14, 0, 0);
var sendGridRetryStrategy = new SendGridRetryStrategy(maxAttempts, mockSystemClock.Object);
var response = new HttpResponseMessage((HttpStatusCode)428);
response.Headers.Add("X-RateLimit-Reset", mockSystemClock.Object.UtcNow.AddHours(1).ToUnixTime().ToString());
// Act
var result = sendGridRetryStrategy.GetDelay(1, response);
// Assert
result.ShouldBe(TimeSpan.FromSeconds(5));
}