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