public void ShouldStopIfDeadlockHasBeenFixed()
{
SqlExceptionHelper.EmulateDeadlock = true;
try
{
int invokesCount = 0;
Action action = () =>
{
invokesCount++;
if (invokesCount < 2)
{
throw new InvalidOperationException();
}
};
var attribute = new RetryOnDeadlockAttribute { RetryAttemptsCount = 3 };
attribute.Apply(null, action);
Assert.AreEqual(2, invokesCount);
}
catch (Exception)
{
SqlExceptionHelper.EmulateDeadlock = false;
throw;
}
}
public void ShouldInvokeOnceWhenNoExceptionsHasBeenThrown()
{
var attribute = new RetryOnDeadlockAttribute();
int invokesCount = 0;
Action action = () => invokesCount++;
attribute.Apply(null, action);
Assert.AreEqual(1, invokesCount);
}
public void ShouldInvokeManyTimesIfDeadlockExceptionHasBeenEncountered()
{
SqlExceptionHelper.EmulateDeadlock = true;
try
{
int invokesCount = 0;
Action action = () =>
{
invokesCount++;
throw new InvalidOperationException();
};
var attribute = new RetryOnDeadlockAttribute { RetryAttemptsCount = 3 };
attribute.Apply(null, action);
Assert.AreEqual(3, invokesCount);
}
catch (Exception)
{
SqlExceptionHelper.EmulateDeadlock = false;
throw;
}
}