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|
def test_single_async_yield_fixture(testdir):
testdir.makepyfile(
"""
import pytest
import trio
events = []
@pytest.fixture
async def fix1():
events.append('fix1 setup')
await trio.sleep(0)
yield 'fix1'
await trio.sleep(0)
events.append('fix1 teardown')
def test_before():
assert not events
@pytest.mark.trio
async def test_actual_test(fix1):
assert events == ['fix1 setup']
assert fix1 == 'fix1'
def test_after():
assert events == [
'fix1 setup',
'fix1 teardown',
]
"""
)
result = testdir.runpytest()
result.assert_outcomes(passed=3)
def test_nested_async_yield_fixture(testdir):
testdir.makepyfile(
"""
import pytest
import trio
events = []
@pytest.fixture
async def fix2():
events.append('fix2 setup')
await trio.sleep(0)
yield 'fix2'
await trio.sleep(0)
events.append('fix2 teardown')
@pytest.fixture
async def fix1(fix2):
events.append('fix1 setup')
await trio.sleep(0)
yield 'fix1'
await trio.sleep(0)
events.append('fix1 teardown')
def test_before():
assert not events
@pytest.mark.trio
async def test_actual_test(fix1):
assert events == [
'fix2 setup',
'fix1 setup',
]
assert fix1 == 'fix1'
def test_after():
assert events == [
'fix2 setup',
'fix1 setup',
'fix1 teardown',
'fix2 teardown',
]
"""
)
result = testdir.runpytest()
result.assert_outcomes(passed=3)
def test_async_yield_fixture_within_sync_fixture(testdir):
testdir.makepyfile(
"""
import pytest
import trio
events = []
@pytest.fixture
async def fix2():
events.append('fix2 setup')
await trio.sleep(0)
yield 'fix2'
await trio.sleep(0)
events.append('fix2 teardown')
@pytest.fixture
def fix1(fix2):
return 'fix1'
def test_before():
assert not events
@pytest.mark.trio
async def test_actual_test(fix1):
assert events == [
'fix2 setup',
]
assert fix1 == 'fix1'
def test_after():
assert events == [
'fix2 setup',
'fix2 teardown',
]
"""
)
result = testdir.runpytest()
result.assert_outcomes(passed=3)
def test_async_yield_fixture_within_sync_yield_fixture(testdir):
testdir.makepyfile(
"""
import pytest
import trio
events = []
@pytest.fixture
async def fix2():
events.append('fix2 setup')
await trio.sleep(0)
yield 'fix2'
await trio.sleep(0)
events.append('fix2 teardown')
@pytest.fixture
def fix1(fix2):
events.append('fix1 setup')
yield 'fix1'
events.append('fix1 teardown')
def test_before():
assert not events
@pytest.mark.trio
async def test_actual_test(fix1):
assert events == [
'fix2 setup',
'fix1 setup',
]
assert fix1 == 'fix1'
def test_after():
assert events == [
'fix2 setup',
'fix1 setup',
'fix1 teardown',
'fix2 teardown',
]
"""
)
result = testdir.runpytest()
result.assert_outcomes(passed=3)
def test_async_yield_fixture_with_multiple_yields(testdir):
testdir.makepyfile(
"""
import pytest
import trio
@pytest.fixture
async def fix1():
await trio.sleep(0)
yield 'good'
await trio.sleep(0)
yield 'bad'
@pytest.mark.trio
async def test_actual_test(fix1):
pass
"""
)
result = testdir.runpytest()
# TODO: should trigger error instead of failure
# result.assert_outcomes(errors=1)
result.assert_outcomes(failed=1)
def test_async_yield_fixture_with_nursery(testdir):
testdir.makepyfile(
"""
import pytest
import trio
async def handle_client(stream):
while True:
buff = await stream.receive_some(4)
await stream.send_all(buff)
@pytest.fixture
async def server():
async with trio.open_nursery() as nursery:
listeners = await nursery.start(trio.serve_tcp, handle_client, 0)
yield listeners[0]
nursery.cancel_scope.cancel()
@pytest.mark.trio
async def test_actual_test(server):
stream = await trio.testing.open_stream_to_socket_listener(server)
await stream.send_all(b'ping')
rep = await stream.receive_some(4)
assert rep == b'ping'
"""
)
result = testdir.runpytest()
result.assert_outcomes(passed=1)
def test_async_yield_fixture_crashed_teardown_allow_other_teardowns(testdir):
testdir.makepyfile(
"""
import pytest
import trio
setup_events = set()
teardown_events = set()
@pytest.fixture
async def good_fixture():
async with trio.open_nursery() as nursery:
setup_events.add('good_fixture setup')
yield None
teardown_events.add('good_fixture teardown')
@pytest.fixture
async def bad_fixture():
async with trio.open_nursery() as nursery:
setup_events.add('bad_fixture setup')
yield None
teardown_events.add('bad_fixture teardown')
raise RuntimeError('Crash during fixture teardown')
def test_before():
assert not setup_events
assert not teardown_events
@pytest.mark.trio
async def test_actual_test(bad_fixture, good_fixture):
pass
def test_after():
assert setup_events == {
'good_fixture setup',
'bad_fixture setup',
}
assert teardown_events == {
'bad_fixture teardown',
'good_fixture teardown',
}
"""
)
result = testdir.runpytest()
result.assert_outcomes(failed=1, passed=2)
result.stdout.re_match_lines(
[r"(E\W+| +\| )RuntimeError: Crash during fixture teardown"]
)
|
