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115 lines
3.8 KiB
Python
115 lines
3.8 KiB
Python
import pytest
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def pytest_addoption(parser):
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group = parser.getgroup("general")
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group.addoption(
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"--sw",
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"--stepwise",
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action="store_true",
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dest="stepwise",
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help="exit on test failure and continue from last failing test next time",
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)
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group.addoption(
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"--stepwise-skip",
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action="store_true",
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dest="stepwise_skip",
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help="ignore the first failing test but stop on the next failing test",
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)
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@pytest.hookimpl
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def pytest_configure(config):
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config.pluginmanager.register(StepwisePlugin(config), "stepwiseplugin")
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class StepwisePlugin:
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def __init__(self, config):
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self.config = config
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self.active = config.getvalue("stepwise")
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self.session = None
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if self.active:
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self.lastfailed = config.cache.get("cache/stepwise", None)
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self.skip = config.getvalue("stepwise_skip")
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def pytest_sessionstart(self, session):
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self.session = session
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def pytest_collection_modifyitems(self, session, config, items):
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if not self.active:
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return
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if not self.lastfailed:
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self.report_status = "no previously failed tests, not skipping."
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return
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already_passed = []
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found = False
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# Make a list of all tests that have been run before the last failing one.
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for item in items:
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if item.nodeid == self.lastfailed:
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found = True
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break
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else:
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already_passed.append(item)
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# If the previously failed test was not found among the test items,
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# do not skip any tests.
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if not found:
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self.report_status = "previously failed test not found, not skipping."
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already_passed = []
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else:
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self.report_status = "skipping {} already passed items.".format(
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len(already_passed)
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)
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for item in already_passed:
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items.remove(item)
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config.hook.pytest_deselected(items=already_passed)
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def pytest_collectreport(self, report):
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if self.active and report.failed:
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self.session.shouldstop = (
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"Error when collecting test, stopping test execution."
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)
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def pytest_runtest_logreport(self, report):
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# Skip this hook if plugin is not active or the test is xfailed.
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if not self.active or "xfail" in report.keywords:
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return
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if report.failed:
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if self.skip:
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# Remove test from the failed ones (if it exists) and unset the skip option
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# to make sure the following tests will not be skipped.
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if report.nodeid == self.lastfailed:
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self.lastfailed = None
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self.skip = False
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else:
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# Mark test as the last failing and interrupt the test session.
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self.lastfailed = report.nodeid
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self.session.shouldstop = (
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"Test failed, continuing from this test next run."
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)
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else:
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# If the test was actually run and did pass.
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if report.when == "call":
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# Remove test from the failed ones, if exists.
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if report.nodeid == self.lastfailed:
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self.lastfailed = None
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def pytest_report_collectionfinish(self):
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if self.active and self.config.getoption("verbose") >= 0:
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return "stepwise: %s" % self.report_status
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def pytest_sessionfinish(self, session):
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if self.active:
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self.config.cache.set("cache/stepwise", self.lastfailed)
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else:
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# Clear the list of failing tests if the plugin is not active.
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self.config.cache.set("cache/stepwise", [])
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