Cache exception raised in fixtures according to their scope
Without this if a session scoped fixture fails it's setup it will be re-tried each time it is requested. Especially in case of skip or failure exceptions this can be undesirable, but caching makes sense for all exceptions.
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@ -1,6 +1,8 @@
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NEXT (2.6)
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NEXT (2.6)
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-----------------------------------
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-----------------------------------
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- Cache exceptions from fixtures according to their scope (issue 467).
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- fix issue514: teach assertion reinterpretation about private class attributes
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- fix issue514: teach assertion reinterpretation about private class attributes
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- change -v output to include full node IDs of tests. Users can copy
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- change -v output to include full node IDs of tests. Users can copy
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@ -59,10 +61,6 @@ NEXT (2.6)
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- fix issue483: trial/py33 works now properly. Thanks Daniel Grana for PR.
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- fix issue483: trial/py33 works now properly. Thanks Daniel Grana for PR.
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- improve example for pytest integration with "python setup.py test"
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which now has a generic "-a" or "--pytest-args" option where you
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can pass additional options as a quoted string. Thanks Trevor Bekolay.
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- simplified internal capturing mechanism and made it more robust
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- simplified internal capturing mechanism and made it more robust
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against tests or setups changing FD1/FD2, also better integrated
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against tests or setups changing FD1/FD2, also better integrated
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now with pytest.pdb() in single tests.
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now with pytest.pdb() in single tests.
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@ -89,9 +87,6 @@ NEXT (2.6)
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functions, including unittest-style Classes. If set to False, the
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functions, including unittest-style Classes. If set to False, the
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test will not be collected.
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test will not be collected.
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- fix issue512: show "<notset>" for arguments which might not be set
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in monkeypatch plugin. Improves output in documentation.
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2.5.2
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2.5.2
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-----------------------------------
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-----------------------------------
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@ -1337,7 +1337,7 @@ class FixtureRequest(FuncargnamesCompatAttr):
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except FixtureLookupError:
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except FixtureLookupError:
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if argname == "request":
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if argname == "request":
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class PseudoFixtureDef:
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class PseudoFixtureDef:
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cached_result = (self, [0])
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cached_result = (self, [0], None)
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return PseudoFixtureDef
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return PseudoFixtureDef
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raise
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raise
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result = self._getfuncargvalue(fixturedef)
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result = self._getfuncargvalue(fixturedef)
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@ -1810,7 +1810,7 @@ class FixtureDef:
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kwargs = {}
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kwargs = {}
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for argname in self.argnames:
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for argname in self.argnames:
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fixturedef = request._get_active_fixturedef(argname)
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fixturedef = request._get_active_fixturedef(argname)
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result, arg_cache_key = fixturedef.cached_result
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result, arg_cache_key, exc = fixturedef.cached_result
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kwargs[argname] = result
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kwargs[argname] = result
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if argname != "request":
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if argname != "request":
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fixturedef.addfinalizer(self.finish)
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fixturedef.addfinalizer(self.finish)
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@ -1818,13 +1818,12 @@ class FixtureDef:
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my_cache_key = request.param_index
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my_cache_key = request.param_index
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cached_result = getattr(self, "cached_result", None)
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cached_result = getattr(self, "cached_result", None)
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if cached_result is not None:
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if cached_result is not None:
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#print argname, "Found cached_result", cached_result
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result, cache_key, err = cached_result
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#print argname, "param_index", param_index
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result, cache_key = cached_result
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if my_cache_key == cache_key:
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if my_cache_key == cache_key:
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#print request.fixturename, "CACHE HIT", repr(my_cache_key)
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if err is not None:
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py.builtin._reraise(*err)
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else:
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return result
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return result
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#print request.fixturename, "CACHE MISS"
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# we have a previous but differently parametrized fixture instance
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# we have a previous but differently parametrized fixture instance
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# so we need to tear it down before creating a new one
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# so we need to tear it down before creating a new one
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self.finish()
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self.finish()
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@ -1841,9 +1840,13 @@ class FixtureDef:
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fixturefunc = getimfunc(self.func)
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fixturefunc = getimfunc(self.func)
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if fixturefunc != self.func:
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if fixturefunc != self.func:
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fixturefunc = fixturefunc.__get__(request.instance)
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fixturefunc = fixturefunc.__get__(request.instance)
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try:
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result = call_fixture_func(fixturefunc, request, kwargs,
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result = call_fixture_func(fixturefunc, request, kwargs,
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self.yieldctx)
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self.yieldctx)
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self.cached_result = (result, my_cache_key)
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except Exception:
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self.cached_result = (None, my_cache_key, sys.exc_info())
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raise
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self.cached_result = (result, my_cache_key, None)
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return result
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return result
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def __repr__(self):
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def __repr__(self):
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@ -1430,6 +1430,25 @@ class TestFixtureMarker:
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reprec = testdir.inline_run()
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reprec = testdir.inline_run()
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reprec.assertoutcome(passed=3)
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reprec.assertoutcome(passed=3)
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def test_scope_session_exc(self, testdir):
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testdir.makepyfile("""
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import pytest
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l = []
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@pytest.fixture(scope="session")
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def fix():
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l.append(1)
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pytest.skip('skipping')
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def test_1(fix):
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pass
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def test_2(fix):
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pass
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def test_last():
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assert l == [1]
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""")
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reprec = testdir.inline_run()
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reprec.assertoutcome(skipped=2, passed=1)
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def test_scope_module_uses_session(self, testdir):
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def test_scope_module_uses_session(self, testdir):
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testdir.makepyfile("""
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testdir.makepyfile("""
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import pytest
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import pytest
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