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import os
import re
import sys
import shutil
import logging
import unittest as ut1
import packaging.database
from os.path import join
from operator import getitem, setitem, delitem
from packaging.command.build import build
from packaging.tests import unittest
from packaging.tests.support import (TempdirManager, EnvironRestorer,
LoggingCatcher)
from packaging.command.test import test
from packaging.command import set_command
from packaging.dist import Distribution
EXPECTED_OUTPUT_RE = r'''FAIL: test_blah \(myowntestmodule.SomeTest\)
----------------------------------------------------------------------
Traceback \(most recent call last\):
File ".+/myowntestmodule.py", line \d+, in test_blah
self.fail\("horribly"\)
AssertionError: horribly
'''
here = os.path.dirname(os.path.abspath(__file__))
class MockBuildCmd(build):
build_lib = "mock build lib"
command_name = 'build'
plat_name = 'whatever'
def initialize_options(self):
pass
def finalize_options(self):
pass
def run(self):
self._record.append("build has run")
class TestTest(TempdirManager,
EnvironRestorer,
LoggingCatcher,
unittest.TestCase):
restore_environ = ['PYTHONPATH']
def setUp(self):
super(TestTest, self).setUp()
self.addCleanup(packaging.database.clear_cache)
new_pythonpath = os.path.dirname(os.path.dirname(here))
pythonpath = os.environ.get('PYTHONPATH')
if pythonpath is not None:
new_pythonpath = os.pathsep.join((new_pythonpath, pythonpath))
os.environ['PYTHONPATH'] = new_pythonpath
def assert_re_match(self, pattern, string):
def quote(s):
lines = ['## ' + line for line in s.split('\n')]
sep = ["#" * 60]
return [''] + sep + lines + sep
msg = quote(pattern) + ["didn't match"] + quote(string)
msg = "\n".join(msg)
if not re.search(pattern, string):
self.fail(msg)
def prepare_dist(self, dist_name):
pkg_dir = join(os.path.dirname(__file__), "dists", dist_name)
temp_pkg_dir = join(self.mkdtemp(), dist_name)
shutil.copytree(pkg_dir, temp_pkg_dir)
return temp_pkg_dir
def safely_replace(self, obj, attr,
new_val=None, delete=False, dictionary=False):
"""Replace a object's attribute returning to its original state at the
end of the test run. Creates the attribute if not present before
(deleting afterwards). When delete=True, makes sure the value is del'd
for the test run. If dictionary is set to True, operates of its items
rather than attributes."""
if dictionary:
_setattr, _getattr, _delattr = setitem, getitem, delitem
def _hasattr(_dict, value):
return value in _dict
else:
_setattr, _getattr, _delattr, _hasattr = (setattr, getattr,
delattr, hasattr)
orig_has_attr = _hasattr(obj, attr)
if orig_has_attr:
orig_val = _getattr(obj, attr)
if delete is False:
_setattr(obj, attr, new_val)
elif orig_has_attr:
_delattr(obj, attr)
def do_cleanup():
if orig_has_attr:
_setattr(obj, attr, orig_val)
elif _hasattr(obj, attr):
_delattr(obj, attr)
self.addCleanup(do_cleanup)
def test_runs_unittest(self):
module_name, a_module = self.prepare_a_module()
record = []
a_module.recorder = lambda *args: record.append("suite")
class MockTextTestRunner:
def __init__(*_, **__):
pass
def run(_self, suite):
record.append("run")
self.safely_replace(ut1, "TextTestRunner", MockTextTestRunner)
dist = Distribution()
cmd = test(dist)
cmd.suite = "%s.recorder" % module_name
cmd.run()
self.assertEqual(record, ["suite", "run"])
def test_builds_before_running_tests(self):
self.addCleanup(set_command, 'packaging.command.build.build')
set_command('packaging.tests.test_command_test.MockBuildCmd')
dist = Distribution()
dist.get_command_obj('build')._record = record = []
cmd = test(dist)
cmd.runner = self.prepare_named_function(lambda: None)
cmd.ensure_finalized()
cmd.run()
self.assertEqual(['build has run'], record)
def _test_works_with_2to3(self):
pass
def test_checks_requires(self):
dist = Distribution()
cmd = test(dist)
phony_project = 'ohno_ohno-impossible_1234-name_stop-that!'
cmd.tests_require = [phony_project]
cmd.ensure_finalized()
logs = self.get_logs(logging.WARNING)
self.assertIn(phony_project, logs[-1])
def prepare_a_module(self):
tmp_dir = self.mkdtemp()
sys.path.append(tmp_dir)
self.addCleanup(sys.path.remove, tmp_dir)
self.write_file((tmp_dir, 'packaging_tests_a.py'), '')
import packaging_tests_a as a_module
return "packaging_tests_a", a_module
def prepare_named_function(self, func):
module_name, a_module = self.prepare_a_module()
a_module.recorder = func
return "%s.recorder" % module_name
def test_custom_runner(self):
dist = Distribution()
cmd = test(dist)
record = []
cmd.runner = self.prepare_named_function(
lambda: record.append("runner called"))
cmd.ensure_finalized()
cmd.run()
self.assertEqual(["runner called"], record)
def prepare_mock_ut2(self):
class MockUTClass:
def __init__(*_, **__):
pass
def discover(self):
pass
def run(self, _):
pass
class MockUTModule:
TestLoader = MockUTClass
TextTestRunner = MockUTClass
mock_ut2 = MockUTModule()
self.safely_replace(sys.modules, "unittest2",
mock_ut2, dictionary=True)
return mock_ut2
def test_gets_unittest_discovery(self):
mock_ut2 = self.prepare_mock_ut2()
dist = Distribution()
cmd = test(dist)
self.safely_replace(ut1.TestLoader, "discover", lambda: None)
self.assertEqual(cmd.get_ut_with_discovery(), ut1)
del ut1.TestLoader.discover
self.assertEqual(cmd.get_ut_with_discovery(), mock_ut2)
def test_calls_discover(self):
self.safely_replace(ut1.TestLoader, "discover", delete=True)
mock_ut2 = self.prepare_mock_ut2()
record = []
mock_ut2.TestLoader.discover = lambda self, path: record.append(path)
dist = Distribution()
cmd = test(dist)
cmd.run()
self.assertEqual([os.curdir], record)
def test_suite():
return unittest.makeSuite(TestTest)
if __name__ == "__main__":
unittest.main(defaultTest="test_suite")
|
