102 lines
2.6 KiB
Python
102 lines
2.6 KiB
Python
from __future__ import absolute_import, division, print_function
|
|
import sys
|
|
|
|
import pytest
|
|
from _pytest.compat import is_generator, get_real_func, safe_getattr
|
|
from _pytest.outcomes import OutcomeException
|
|
|
|
|
|
def test_is_generator():
|
|
def zap():
|
|
yield
|
|
|
|
def foo():
|
|
pass
|
|
|
|
assert is_generator(zap)
|
|
assert not is_generator(foo)
|
|
|
|
|
|
def test_real_func_loop_limit():
|
|
|
|
class Evil(object):
|
|
def __init__(self):
|
|
self.left = 1000
|
|
|
|
def __repr__(self):
|
|
return "<Evil left={left}>".format(left=self.left)
|
|
|
|
def __getattr__(self, attr):
|
|
if not self.left:
|
|
raise RuntimeError('its over')
|
|
self.left -= 1
|
|
return self
|
|
|
|
evil = Evil()
|
|
|
|
with pytest.raises(ValueError):
|
|
res = get_real_func(evil)
|
|
print(res)
|
|
|
|
|
|
@pytest.mark.skipif(sys.version_info < (3, 4),
|
|
reason='asyncio available in Python 3.4+')
|
|
def test_is_generator_asyncio(testdir):
|
|
testdir.makepyfile("""
|
|
from _pytest.compat import is_generator
|
|
import asyncio
|
|
@asyncio.coroutine
|
|
def baz():
|
|
yield from [1,2,3]
|
|
|
|
def test_is_generator_asyncio():
|
|
assert not is_generator(baz)
|
|
""")
|
|
# avoid importing asyncio into pytest's own process,
|
|
# which in turn imports logging (#8)
|
|
result = testdir.runpytest_subprocess()
|
|
result.stdout.fnmatch_lines(['*1 passed*'])
|
|
|
|
|
|
@pytest.mark.skipif(sys.version_info < (3, 5),
|
|
reason='async syntax available in Python 3.5+')
|
|
def test_is_generator_async_syntax(testdir):
|
|
testdir.makepyfile("""
|
|
from _pytest.compat import is_generator
|
|
def test_is_generator_py35():
|
|
async def foo():
|
|
await foo()
|
|
|
|
async def bar():
|
|
pass
|
|
|
|
assert not is_generator(foo)
|
|
assert not is_generator(bar)
|
|
""")
|
|
result = testdir.runpytest()
|
|
result.stdout.fnmatch_lines(['*1 passed*'])
|
|
|
|
|
|
class ErrorsHelper(object):
|
|
@property
|
|
def raise_exception(self):
|
|
raise Exception('exception should be catched')
|
|
|
|
@property
|
|
def raise_fail(self):
|
|
pytest.fail('fail should be catched')
|
|
|
|
|
|
def test_helper_failures():
|
|
helper = ErrorsHelper()
|
|
with pytest.raises(Exception):
|
|
helper.raise_exception
|
|
with pytest.raises(OutcomeException):
|
|
helper.raise_fail
|
|
|
|
|
|
def test_safe_getattr():
|
|
helper = ErrorsHelper()
|
|
assert safe_getattr(helper, 'raise_exception', 'default') == 'default'
|
|
assert safe_getattr(helper, 'raise_fail', 'default') == 'default'
|