| import unittest |
| import asyncio |
|
|
| from iterators import AsyncTimeoutIterator |
|
|
|
|
| async def iter_simple(): |
| yield 1 |
| yield 2 |
|
|
|
|
| async def iter_with_sleep(): |
| yield 1 |
| await asyncio.sleep(0.6) |
| yield 2 |
| await asyncio.sleep(0.4) |
| yield 3 |
|
|
|
|
| async def iter_with_exception(): |
| yield 1 |
| yield 2 |
| raise Exception |
| yield 3 |
|
|
|
|
| class TestTimeoutIterator(unittest.TestCase): |
|
|
| def test_normal_iteration(self): |
|
|
| async def _(self): |
|
|
| i = iter_simple() |
| it = AsyncTimeoutIterator(i) |
|
|
| self.assertEqual(await it.__anext__(), 1) |
| self.assertEqual(await it.__anext__(), 2) |
|
|
| with self.assertRaises(StopAsyncIteration): |
| await it.__anext__() |
| with self.assertRaises(StopAsyncIteration): |
| await it.__anext__() |
|
|
| asyncio.get_event_loop().run_until_complete(_(self)) |
|
|
| def test_normal_iteration_for_loop(self): |
|
|
| async def _(self): |
|
|
| i = iter_simple() |
| it = AsyncTimeoutIterator(i) |
| iterResults = [] |
| async for x in it: |
| iterResults.append(x) |
| self.assertEqual(iterResults, [1,2]) |
|
|
| asyncio.get_event_loop().run_until_complete(_(self)) |
|
|
| def test_timeout_block(self): |
|
|
| async def _(self): |
| i = iter_with_sleep() |
| it = AsyncTimeoutIterator(i) |
| self.assertEqual(await it.__anext__(), 1) |
| self.assertEqual(await it.__anext__(), 2) |
| self.assertEqual(await it.__anext__(), 3) |
|
|
| with self.assertRaises(StopAsyncIteration): |
| await it.__anext__() |
| with self.assertRaises(StopAsyncIteration): |
| await it.__anext__() |
|
|
| asyncio.get_event_loop().run_until_complete(_(self)) |
|
|
| def test_timeout_block_for_loop(self): |
|
|
| async def _(self): |
| i = iter_with_sleep() |
| it = AsyncTimeoutIterator(i) |
| iterResults = [] |
| async for x in it: |
| iterResults.append(x) |
| self.assertEqual(iterResults, [1,2,3]) |
|
|
| asyncio.get_event_loop().run_until_complete(_(self)) |
|
|
| def test_fixed_timeout(self): |
|
|
| async def _(self): |
| i = iter_with_sleep() |
| it = AsyncTimeoutIterator(i, timeout=0.5) |
|
|
| self.assertEqual(await it.__anext__(), 1) |
| self.assertEqual(await it.__anext__(), it.get_sentinel()) |
| self.assertEqual(await it.__anext__(), 2) |
| self.assertEqual(await it.__anext__(), 3) |
| with self.assertRaises(StopAsyncIteration): |
| await it.__anext__() |
| asyncio.get_event_loop().run_until_complete(_(self)) |
| |
| def test_fixed_timeout(self): |
|
|
| async def _(self): |
| i = iter_with_sleep() |
| it = AsyncTimeoutIterator(i, timeout=0.5) |
| iterResults = [] |
| async for x in it: |
| iterResults.append(x) |
| self.assertEqual(iterResults, [1,it.get_sentinel(),2,3]) |
| |
| asyncio.get_event_loop().run_until_complete(_(self)) |
|
|
| def test_timeout_update(self): |
| async def _(self): |
| i = iter_with_sleep() |
| it = AsyncTimeoutIterator(i, timeout=0.5) |
|
|
| self.assertEqual(await it.__anext__(), 1) |
| self.assertEqual(await it.__anext__(), it.get_sentinel()) |
|
|
| it.set_timeout(0.3) |
| self.assertEqual(await it.__anext__(), 2) |
| self.assertEqual(await it.__anext__(), it.get_sentinel()) |
|
|
| self.assertEqual(await it.__anext__(), 3) |
|
|
| with self.assertRaises(StopAsyncIteration): |
| await it.__anext__() |
|
|
| asyncio.get_event_loop().run_until_complete(_(self)) |
|
|
| def test_custom_sentinel(self): |
| async def _(self): |
| i = iter_with_sleep() |
| it = AsyncTimeoutIterator(i, timeout=0.5, sentinel="END") |
| self.assertEqual(await it.__anext__(), 1) |
| self.assertEqual(await it.__anext__(), "END") |
|
|
| self.assertEqual(await it.__anext__(), 2) |
| self.assertEqual(await it.__anext__(), 3) |
|
|
| with self.assertRaises(StopAsyncIteration): |
| await it.__anext__() |
|
|
| asyncio.get_event_loop().run_until_complete(_(self)) |
|
|
| def test_feature_timeout_reset(self): |
| async def _(self): |
| i = iter_with_sleep() |
| it = AsyncTimeoutIterator(i, timeout=0.5, reset_on_next=True) |
|
|
| self.assertEqual(await it.__anext__(), 1) |
| self.assertEqual(await it.__anext__(), 2) |
| self.assertEqual(await it.__anext__(), 3) |
|
|
| with self.assertRaises(StopAsyncIteration): |
| await it.__anext__() |
|
|
| asyncio.get_event_loop().run_until_complete(_(self)) |
|
|
| def test_function_set_reset_on_next(self): |
| async def _(self): |
| i = iter_with_sleep() |
| it = AsyncTimeoutIterator(i, timeout=0.35, reset_on_next=False) |
|
|
| self.assertEqual(await it.__anext__(), 1) |
| self.assertEqual(await it.__anext__(), it.get_sentinel()) |
| it.set_reset_on_next(True) |
| self.assertEqual(await it.__anext__(), 2) |
| self.assertEqual(await it.__anext__(), 3) |
|
|
| with self.assertRaises(StopAsyncIteration): |
| await it.__anext__() |
|
|
| asyncio.get_event_loop().run_until_complete(_(self)) |
|
|
| def test_iterator_raises_exception(self): |
| async def _(self): |
| i = iter_with_exception() |
| it = AsyncTimeoutIterator(i, timeout=0.5, sentinel="END") |
| self.assertEqual(await it.__anext__(), 1) |
| self.assertEqual(await it.__anext__(), 2) |
|
|
| with self.assertRaises(Exception): |
| await it.__anext__() |
| with self.assertRaises(StopAsyncIteration): |
| await it.__anext__() |
|
|
| asyncio.get_event_loop().run_until_complete(_(self)) |
|
|
|
|
| def test_interrupt_thread(self): |
| async def _(self): |
| i = iter_with_sleep() |
| it = AsyncTimeoutIterator(i, timeout=0.5, sentinel="END") |
| self.assertEqual(await it.__anext__(), 1) |
| self.assertEqual(await it.__anext__(), it.get_sentinel()) |
| it.interrupt() |
| self.assertEqual(await it.__anext__(), 2) |
|
|
| with self.assertRaises(StopAsyncIteration): |
| await it.__anext__() |
|
|
| asyncio.get_event_loop().run_until_complete(_(self)) |
|
|
