public void ShouldThrowExhaustedRetriesExceptionWhenRetriesExhausted()
{
RetryTemplate retryTemplate = new RetryTemplate(new LiteDatabase(Path.GetTempFileName()));
retryTemplate.RetryPolicy = new NeverRetryPolicy();
string testOperationId = "test.operation";
string testArgument = "test argument";
var pendingRetry = retryTemplate.SaveForRetry <string>(testOperationId, testArgument);
Assert.Throws <RetryExhaustedException>(() => {
retryTemplate.DoExecute <string, object>(pendingRetry, (argument) => throw new Exception(), null, CancellationToken.None);
});
}
public void ShouldNotListSuccessfullyCompletedRetriesInThePendingRetries()
{
RetryTemplate retryTemplate = new RetryTemplate(new LiteDatabase(Path.GetTempFileName()));
string testOperationId = "test.operation";
string testArgument = "test argument";
var pendingRetry = retryTemplate.SaveForRetry <string>(testOperationId, testArgument);
retryTemplate.DoExecute(pendingRetry, (argument) => (object)null, null, CancellationToken.None);
var pendingRetries = retryTemplate.GetPendingRetries <string>(testOperationId);
Assert.DoesNotContain <PendingRetry <string> >(pendingRetries, (x) =>
x.OperationId == testOperationId && x.Argument == testArgument);
}
public void ShouldThrowRetryInterruptedExceptionWhenTheExcutionIsCancelled()
{
RetryTemplate retryTemplate = new RetryTemplate(new LiteDatabase(Path.GetTempFileName()));
retryTemplate.RetryPolicy = new NeverRetryPolicy();
string testOperationId = "test.operation";
string testArgument = "test argument";
var pendingRetry = retryTemplate.SaveForRetry <string>(testOperationId, testArgument);
Assert.Throws <RetryInterruptedException>(() => {
retryTemplate.DoExecute <string, object>(pendingRetry, (argument) => (object)null,
null, new CancellationToken(true));
});
}
public void ShouldNotListRetriesWithExhaustedRetriesInThePendingRetries()
{
RetryTemplate retryTemplate = new RetryTemplate(new LiteDatabase(Path.GetTempFileName()));
retryTemplate.RetryPolicy = new NeverRetryPolicy();
string testOperationId = "test.operation";
string testArgument = "test argument";
var pendingRetry = retryTemplate.SaveForRetry <string>(testOperationId, testArgument);
try
{
retryTemplate.DoExecute <string, object>(pendingRetry, (argument) => throw new Exception(), null, CancellationToken.None);
}
catch (RetryExhaustedException) {}
var pendingRetries = retryTemplate.GetPendingRetries <string>(testOperationId);
Assert.DoesNotContain <PendingRetry <string> >(pendingRetries, (x) =>
x.OperationId == testOperationId && x.Argument == testArgument);
}
public void ShouldListRetriesWithCancelledExcutionInThePendingRetries()
{
RetryTemplate retryTemplate = new RetryTemplate(new LiteDatabase(Path.GetTempFileName()));
retryTemplate.RetryPolicy = new NeverRetryPolicy();
string testOperationId = "test.operation";
string testArgument = "test argument";
var pendingRetry = retryTemplate.SaveForRetry <string>(testOperationId, testArgument);
try
{
retryTemplate.DoExecute <string, object>(pendingRetry, (argument) => (object)null,
null, new CancellationToken(true));
}
catch (RetryInterruptedException) {}
var pendingRetries = retryTemplate.GetPendingRetries <string>(testOperationId);
Assert.Contains <PendingRetry <string> >(pendingRetries, (x) =>
x.OperationId == testOperationId && x.Argument == testArgument);
}
public void ShouldRetryOnExceptionsWhileTheRetryPolicySaysSoAndFinishWithARetryExhaustedException()
{
RetryTemplate retryTemplate = new RetryTemplate(new LiteDatabase(Path.GetTempFileName()));
retryTemplate.RetryPolicy = new SimpleRetryPolicy(3);
string testOperationId = "test.operation";
string testArgument = "test argument";
var pendingRetry = retryTemplate.SaveForRetry <string>(testOperationId, testArgument);
int executionCounter = 0;
try
{
retryTemplate.DoExecute <string, object>(pendingRetry, (argument) =>
{
executionCounter++;
throw new Exception();
}, null, CancellationToken.None);
}
catch (RetryExhaustedException) {}
Assert.Equal(3, executionCounter);
}