public void Given_policy_with_keep_When_saved_many_Then_only_keep_amount_is_left()
{
ISnapshotsPersistencePolicy policy = new SnapshotsPersistencePolicy(1, null, 2);
CheckSnapshotSaved(policy, 1);
//should not delete as keep limit 2 was not reached
Assert.False(policy.ShouldDelete(1, out var deleteCriteria));
CheckSnapshotSaved(policy, 2);
//should not delete as keep limit 2 was not exceeded
Assert.False(policy.ShouldDelete(2, out deleteCriteria));
CheckSnapshotSaved(policy, 3);
//should delete as keep limit 2 was exceeded by 1
Assert.True(policy.ShouldDelete(3, out deleteCriteria));
Assert.Equal(1, deleteCriteria.MaxSequenceNr);
CheckSnapshotSaved(policy, 4);
//should delete as keep limit 2 was exceeded by 2
Assert.True(policy.ShouldDelete(4, out deleteCriteria));
Assert.Equal(2, deleteCriteria.MaxSequenceNr);
CheckSnapshotSaved(policy, 5);
//should delete as keep limit 2 was exceeded by 3
Assert.True(policy.ShouldDelete(5, out deleteCriteria));
Assert.Equal(3, deleteCriteria.MaxSequenceNr);
}
public void Given_policy_with_keep_When_saved_many_with_wrong_confirmation_order_Then_only_keep_amount_is_left()
{
var policy = new SnapshotsPersistencePolicy(1, null, 2);
var confirmationSequence = new[] { 1, 2, 3, 4, 5 };
confirmationSequence.Shuffle();
confirmationSequence.ForEach(s => policy.SavePolicy.Tracking.Complete(s));
//should delete as keep limit 2 was exceeded by 3
Assert.True(policy.DeletePolicy.ShouldDelete(5, out SnapshotSelectionCriteria deleteCriteria));
Assert.Equal(3, deleteCriteria.MaxSequenceNr);
}
