74 lines
2.0 KiB
Python
74 lines
2.0 KiB
Python
import py
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import sys
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def pytest_addoption(parser):
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group = parser.getgroup("debugconfig")
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group._addoption('--no-assert', action="store_true", default=False,
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dest="noassert",
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help="disable python assert expression reinterpretation."),
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def pytest_configure(config):
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# XXX
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if sys.version_info >= (3,0):
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return
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if not config.getvalue("noassert"):
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warn_about_missing_assertion()
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config._oldassertion = py.builtin.builtins.AssertionError
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py.builtin.builtins.AssertionError = py.code._AssertionError
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def pytest_unconfigure(config):
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if hasattr(config, '_oldassertion'):
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py.builtin.builtins.AssertionError = config._oldassertion
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del config._oldassertion
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def warn_about_missing_assertion():
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try:
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assert False
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except AssertionError:
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pass
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else:
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py.std.warnings.warn("Assertions are turned off!"
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" (are you using python -O?)")
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def test_functional(testdir):
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testdir.makepyfile("""
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def test_hello():
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x = 3
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assert x == 4
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""")
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result = testdir.runpytest()
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assert "3 == 4" in result.stdout.str()
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result = testdir.runpytest("--no-assert")
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assert "3 == 4" not in result.stdout.str()
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def test_traceback_failure(testdir):
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p1 = testdir.makepyfile("""
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def g():
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return 2
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def f(x):
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assert x == g()
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def test_onefails():
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f(3)
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""")
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result = testdir.runpytest(p1)
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result.stdout.fnmatch_lines([
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"*test_traceback_failure.py F",
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"====* FAILURES *====",
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"____*____",
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"",
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" def test_onefails():",
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"> f(3)",
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"",
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"*test_*.py:6: ",
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"_ _ _ *",
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#"",
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" def f(x):",
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"> assert x == g()",
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"E assert 3 == 2",
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"E + where 2 = g()",
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"",
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"*test_traceback_failure.py:4: AssertionError"
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])
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