diff options
| -rw-r--r-- | tests/helpers.py | 58 |
1 files changed, 54 insertions, 4 deletions
diff --git a/tests/helpers.py b/tests/helpers.py index 3e43679fe..50652ef9a 100644 --- a/tests/helpers.py +++ b/tests/helpers.py @@ -127,14 +127,20 @@ class AsyncMock(CustomMockMixin, unittest.mock.MagicMock): class AsyncIteratorMock: """ - A class to mock asyncronous iterators. + A class to mock asynchronous iterators. This allows async for, which is used in certain Discord.py objects. For example, - an async iterator is returned by the Reaction.users() coroutine. + an async iterator is returned by the Reaction.users() method. """ - def __init__(self, sequence): - self.iter = iter(sequence) + def __init__(self, iterable: Iterable = None): + if iterable is None: + iterable = [] + + self.iter = iter(iterable) + self.iterable = iterable + + self.call_count = 0 def __aiter__(self): return self @@ -145,6 +151,50 @@ class AsyncIteratorMock: except StopIteration: raise StopAsyncIteration + def __call__(self): + """ + Keeps track of the number of times an instance has been called. + + This is useful, since it typically shows that the iterator has actually been used somewhere after we have + instantiated the mock for an attribute that normally returns an iterator when called. + """ + self.call_count += 1 + return self + + @property + def return_value(self): + """Makes `self.iterable` accessible as self.return_value.""" + return self.iterable + + @return_value.setter + def return_value(self, iterable): + """Stores the `return_value` as `self.iterable` and its iterator as `self.iter`.""" + self.iter = iter(iterable) + self.iterable = iterable + + def assert_called(self): + """Asserts if the AsyncIteratorMock instance has been called at least once.""" + if self.call_count == 0: + raise AssertionError("Expected AsyncIteratorMock to have been called.") + + def assert_called_once(self): + """Asserts if the AsyncIteratorMock instance has been called exactly once.""" + if self.call_count != 1: + raise AssertionError( + f"Expected AsyncIteratorMock to have been called once. Called {self.call_count} times." + ) + + def assert_not_called(self): + """Asserts if the AsyncIteratorMock instance has not been called.""" + if self.call_count != 0: + raise AssertionError( + f"Expected AsyncIteratorMock to not have been called once. Called {self.call_count} times." + ) + + def reset_mock(self): + """Resets the call count, but not the return value or iterator.""" + self.call_count = 0 + # Create a guild instance to get a realistic Mock of `discord.Guild` guild_data = { |