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125 lines
4.3 KiB
Python
125 lines
4.3 KiB
Python
import pytest
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import argparse
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import inspect
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from . import plugin_base
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import collections
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def pytest_addoption(parser):
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group = parser.getgroup("sqlalchemy")
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def make_option(name, **kw):
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callback_ = kw.pop("callback", None)
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if callback_:
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class CallableAction(argparse.Action):
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def __call__(self, parser, namespace, values, option_string=None):
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callback_(option_string, values, parser)
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kw["action"] = CallableAction
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group.addoption(name, **kw)
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plugin_base.setup_options(make_option)
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plugin_base.read_config()
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def pytest_configure(config):
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plugin_base.pre_begin(config.option)
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plugin_base.set_coverage_flag(bool(getattr(config.option, "cov_source", False)))
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plugin_base.post_begin()
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def pytest_collection_modifyitems(session, config, items):
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# look for all those classes that specify __backend__ and
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# expand them out into per-database test cases.
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# this is much easier to do within pytest_pycollect_makeitem, however
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# pytest is iterating through cls.__dict__ as makeitem is
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# called which causes a "dictionary changed size" error on py3k.
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# I'd submit a pullreq for them to turn it into a list first, but
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# it's to suit the rather odd use case here which is that we are adding
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# new classes to a module on the fly.
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rebuilt_items = collections.defaultdict(list)
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test_classes = set(item.parent for item in items)
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for test_class in test_classes:
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for sub_cls in plugin_base.generate_sub_tests(test_class.cls, test_class.parent.module):
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if sub_cls is not test_class.cls:
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list_ = rebuilt_items[test_class.cls]
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for inst in pytest.Class(sub_cls.__name__,
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parent=test_class.parent.parent).collect():
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list_.extend(inst.collect())
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newitems = []
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for item in items:
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if item.parent.cls in rebuilt_items:
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newitems.extend(rebuilt_items[item.parent.cls])
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rebuilt_items[item.parent.cls][:] = []
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else:
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newitems.append(item)
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# seems like the functions attached to a test class aren't sorted already?
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# is that true and why's that? (when using unittest, they're sorted)
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items[:] = sorted(newitems, key=lambda item: (
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item.parent.parent.parent.name,
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item.parent.parent.name,
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item.name
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)
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)
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def pytest_pycollect_makeitem(collector, name, obj):
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if inspect.isclass(obj) and plugin_base.want_class(obj):
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return pytest.Class(name, parent=collector)
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elif inspect.isfunction(obj) and \
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name.startswith("test_") and \
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isinstance(collector, pytest.Instance):
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return pytest.Function(name, parent=collector)
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else:
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return []
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_current_class = None
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def pytest_runtest_setup(item):
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# here we seem to get called only based on what we collected
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# in pytest_collection_modifyitems. So to do class-based stuff
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# we have to tear that out.
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global _current_class
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if not isinstance(item, pytest.Function):
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return
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# ... so we're doing a little dance here to figure it out...
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if item.parent.parent is not _current_class:
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class_setup(item.parent.parent)
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_current_class = item.parent.parent
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# this is needed for the class-level, to ensure that the
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# teardown runs after the class is completed with its own
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# class-level teardown...
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item.parent.parent.addfinalizer(lambda: class_teardown(item.parent.parent))
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test_setup(item)
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def pytest_runtest_teardown(item):
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# ...but this works better as the hook here rather than
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# using a finalizer, as the finalizer seems to get in the way
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# of the test reporting failures correctly (you get a bunch of
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# py.test assertion stuff instead)
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test_teardown(item)
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def test_setup(item):
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plugin_base.before_test(item,
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item.parent.module.__name__, item.parent.cls, item.name)
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def test_teardown(item):
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plugin_base.after_test(item)
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def class_setup(item):
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plugin_base.start_test_class(item.cls)
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def class_teardown(item):
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plugin_base.stop_test_class(item.cls)
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