public void ShouldRetry_RequestNull_NotRetry()
{
var maxNumberRetries = 2;
var retryStrategy = new DefaultRetryStrategy(maxNumberRetries);
HttpRequestMessage httpRequest = null;
var httpResponse = new HttpResponseMessage(HttpStatusCode.InternalServerError);
var hadRetryableError = false;
var numberRetries = 0;
RetryResponse retryResponse = retryStrategy.ShouldRetry(
httpRequest, httpResponse, hadRetryableError, numberRetries);
Assert.False(retryResponse.Retry);
Assert.Equal(TimeSpan.Zero.Ticks, retryResponse.Delay.Ticks);
}
public void ShouldRetry_MaxDelay_Retry()
{
var maxNumberRetries = 5;
var retryStrategy = new DefaultRetryStrategy(maxNumberRetries);
var httpRequest = new HttpRequestMessage(HttpMethod.Get, "http://localhost:8080/x");
var httpResponse = new HttpResponseMessage(HttpStatusCode.InternalServerError);
var hadRetryableError = false;
var numberRetries = 4;
RetryResponse retryResponse = retryStrategy.ShouldRetry(
httpRequest, httpResponse, hadRetryableError, numberRetries);
Assert.True(retryResponse.Retry);
Assert.Equal(DefaultRetryStrategy.MaxDelay.Ticks, retryResponse.Delay.Ticks);
}
public void ShouldRetry_RetryableRequestAndRetryableError_Retry()
{
var maxNumberRetries = 2;
var retryStrategy = new DefaultRetryStrategy(maxNumberRetries);
var httpRequest = new HttpRequestMessage(HttpMethod.Get, "http://localhost:8080/x");
HttpResponseMessage httpResponse = null;
var hadRetryableError = true;
var numberRetry = 0;
RetryResponse retryResponse = retryStrategy.ShouldRetry(
httpRequest, httpResponse, hadRetryableError, numberRetry);
Assert.True(retryResponse.Retry);
Assert.Equal(DefaultRetryStrategy.MinDelay.Ticks, retryResponse.Delay.Ticks);
}
public void ShouldRetry_NoRetryableErrorAndNotRetryableResponse_NotRetry()
{
var maxNumberRetries = 2;
var retryStrategy = new DefaultRetryStrategy(maxNumberRetries);
var httpRequest = new HttpRequestMessage(HttpMethod.Get, "http://localhost:8080/x");
var httpResponse = new HttpResponseMessage(HttpStatusCode.OK);
var hadRetryableError = false;
var numberRetries = 0;
RetryResponse retryResponse = retryStrategy.ShouldRetry(
httpRequest, httpResponse, hadRetryableError, numberRetries);
Assert.False(retryResponse.Retry);
Assert.Equal(TimeSpan.Zero.Ticks, retryResponse.Delay.Ticks);
}
public void ShouldRetry_PostWithIdempotencyKeyEmpty_NotRetry()
{
var maxNumberRetries = 2;
var retryStrategy = new DefaultRetryStrategy(maxNumberRetries);
var httpRequest = new HttpRequestMessage(HttpMethod.Post, "http://localhost:8080/x");
httpRequest.Headers.Add(Headers.IdempotencyKey, string.Empty);
var httpResponse = new HttpResponseMessage(HttpStatusCode.Conflict);
var hadRetryableError = false;
var numberRetries = 1;
RetryResponse retryResponse = retryStrategy.ShouldRetry(
httpRequest, httpResponse, hadRetryableError, numberRetries);
Assert.False(retryResponse.Retry);
Assert.Equal(TimeSpan.Zero.Ticks, retryResponse.Delay.Ticks);
}
public void ShouldRetry_PostWithIdempotencyKeyAndRetryableStatusCode_Retry()
{
var maxNumberRetries = 2;
var retryStrategy = new DefaultRetryStrategy(maxNumberRetries);
var httpRequest = new HttpRequestMessage(HttpMethod.Post, "http://localhost:8080/x");
httpRequest.Headers.Add(Headers.IdempotencyKey, Guid.NewGuid().ToString());
var httpResponse = new HttpResponseMessage(HttpStatusCode.Conflict);
var hadRetryableError = false;
var numberRetries = 1;
RetryResponse retryResponse = retryStrategy.ShouldRetry(
httpRequest, httpResponse, hadRetryableError, numberRetries);
Assert.True(retryResponse.Retry);
Assert.Equal(
2 * DefaultRetryStrategy.MinDelay.Ticks,
retryResponse.Delay.Ticks);
}