diff options
Diffstat (limited to 'tests/tests_asyncio.py')
-rw-r--r-- | tests/tests_asyncio.py | 140 |
1 files changed, 129 insertions, 11 deletions
diff --git a/tests/tests_asyncio.py b/tests/tests_asyncio.py index 6f08926..bdef569 100644 --- a/tests/tests_asyncio.py +++ b/tests/tests_asyncio.py @@ -1,11 +1,129 @@ -"""Tests `tqdm.asyncio` on `python>=3.7`.""" -import sys - -if sys.version_info[:2] > (3, 6): - from .py37_asyncio import * # NOQA, pylint: disable=wildcard-import -else: - from .tests_tqdm import skip - try: - skip("async not supported", allow_module_level=True) - except TypeError: - pass +"""Tests `tqdm.asyncio`.""" +import asyncio +from functools import partial +from sys import platform +from time import time + +from tqdm.asyncio import tarange, tqdm_asyncio + +from .tests_tqdm import StringIO, closing, mark + +tqdm = partial(tqdm_asyncio, miniters=0, mininterval=0) +trange = partial(tarange, miniters=0, mininterval=0) +as_completed = partial(tqdm_asyncio.as_completed, miniters=0, mininterval=0) +gather = partial(tqdm_asyncio.gather, miniters=0, mininterval=0) + + +def count(start=0, step=1): + i = start + while True: + new_start = yield i + if new_start is None: + i += step + else: + i = new_start + + +async def acount(*args, **kwargs): + for i in count(*args, **kwargs): + yield i + + +@mark.asyncio +async def test_break(): + """Test asyncio break""" + pbar = tqdm(count()) + async for _ in pbar: + break + pbar.close() + + +@mark.asyncio +async def test_generators(capsys): + """Test asyncio generators""" + with tqdm(count(), desc="counter") as pbar: + async for i in pbar: + if i >= 8: + break + _, err = capsys.readouterr() + assert '9it' in err + + with tqdm(acount(), desc="async_counter") as pbar: + async for i in pbar: + if i >= 8: + break + _, err = capsys.readouterr() + assert '9it' in err + + +@mark.asyncio +async def test_range(): + """Test asyncio range""" + with closing(StringIO()) as our_file: + async for _ in tqdm(range(9), desc="range", file=our_file): + pass + assert '9/9' in our_file.getvalue() + our_file.seek(0) + our_file.truncate() + + async for _ in trange(9, desc="trange", file=our_file): + pass + assert '9/9' in our_file.getvalue() + + +@mark.asyncio +async def test_nested(): + """Test asyncio nested""" + with closing(StringIO()) as our_file: + async for _ in tqdm(trange(9, desc="inner", file=our_file), + desc="outer", file=our_file): + pass + assert 'inner: 100%' in our_file.getvalue() + assert 'outer: 100%' in our_file.getvalue() + + +@mark.asyncio +async def test_coroutines(): + """Test asyncio coroutine.send""" + with closing(StringIO()) as our_file: + with tqdm(count(), file=our_file) as pbar: + async for i in pbar: + if i == 9: + pbar.send(-10) + elif i < 0: + assert i == -9 + break + assert '10it' in our_file.getvalue() + + +@mark.slow +@mark.asyncio +@mark.parametrize("tol", [0.2 if platform.startswith("darwin") else 0.1]) +async def test_as_completed(capsys, tol): + """Test asyncio as_completed""" + for retry in range(3): + t = time() + skew = time() - t + for i in as_completed([asyncio.sleep(0.01 * i) for i in range(30, 0, -1)]): + await i + t = time() - t - 2 * skew + try: + assert 0.3 * (1 - tol) < t < 0.3 * (1 + tol), t + _, err = capsys.readouterr() + assert '30/30' in err + except AssertionError: + if retry == 2: + raise + + +async def double(i): + return i * 2 + + +@mark.asyncio +async def test_gather(capsys): + """Test asyncio gather""" + res = await gather(*map(double, range(30))) + _, err = capsys.readouterr() + assert '30/30' in err + assert res == list(range(0, 30 * 2, 2)) |