85 lines
2.6 KiB
Python
85 lines
2.6 KiB
Python
import py, pytest
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from _pytest.recwarn import WarningsRecorder
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def test_WarningRecorder(recwarn):
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showwarning = py.std.warnings.showwarning
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rec = WarningsRecorder()
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assert py.std.warnings.showwarning != showwarning
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assert not rec.list
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py.std.warnings.warn_explicit("hello", UserWarning, "xyz", 13)
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assert len(rec.list) == 1
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py.std.warnings.warn(DeprecationWarning("hello"))
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assert len(rec.list) == 2
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warn = rec.pop()
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assert str(warn.message) == "hello"
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l = rec.list
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rec.clear()
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assert len(rec.list) == 0
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assert l is rec.list
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pytest.raises(AssertionError, "rec.pop()")
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rec.finalize()
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assert showwarning == py.std.warnings.showwarning
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def test_recwarn_functional(testdir):
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reprec = testdir.inline_runsource("""
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import warnings
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oldwarn = warnings.showwarning
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def test_method(recwarn):
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assert warnings.showwarning != oldwarn
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warnings.warn("hello")
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warn = recwarn.pop()
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assert isinstance(warn.message, UserWarning)
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def test_finalized():
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assert warnings.showwarning == oldwarn
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""")
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res = reprec.countoutcomes()
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assert tuple(res) == (2, 0, 0), res
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#
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# ============ test pytest.deprecated_call() ==============
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#
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def dep(i):
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if i == 0:
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py.std.warnings.warn("is deprecated", DeprecationWarning)
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return 42
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reg = {}
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def dep_explicit(i):
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if i == 0:
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py.std.warnings.warn_explicit("dep_explicit", category=DeprecationWarning,
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filename="hello", lineno=3)
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def test_deprecated_call_raises():
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excinfo = pytest.raises(AssertionError,
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"pytest.deprecated_call(dep, 3)")
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assert str(excinfo).find("did not produce") != -1
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def test_deprecated_call():
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pytest.deprecated_call(dep, 0)
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def test_deprecated_call_ret():
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ret = pytest.deprecated_call(dep, 0)
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assert ret == 42
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def test_deprecated_call_preserves():
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onceregistry = py.std.warnings.onceregistry.copy()
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filters = py.std.warnings.filters[:]
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warn = py.std.warnings.warn
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warn_explicit = py.std.warnings.warn_explicit
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test_deprecated_call_raises()
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test_deprecated_call()
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assert onceregistry == py.std.warnings.onceregistry
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assert filters == py.std.warnings.filters
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assert warn is py.std.warnings.warn
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assert warn_explicit is py.std.warnings.warn_explicit
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def test_deprecated_explicit_call_raises():
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pytest.raises(AssertionError,
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"pytest.deprecated_call(dep_explicit, 3)")
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def test_deprecated_explicit_call():
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pytest.deprecated_call(dep_explicit, 0)
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pytest.deprecated_call(dep_explicit, 0)
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