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1b65e33835
When troubleshooting things that are difficult to reproduce locally, like different behaviors in the fedora_latest job, these changes make it easy to keep the test files around after the tests run. For example, if PNGs are processed differently by newer Python versions.
75 lines
2.2 KiB
Python
75 lines
2.2 KiB
Python
#!/usr/bin/env python3
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#
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# Copyright (C) 2017, Michael Poehn <michael.poehn@fsfe.org>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import os
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import sys
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import tempfile
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import unittest
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from pathlib import Path
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class TmpCwd:
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"""Context-manager for temporarily changing the current working directory."""
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def __init__(self, new_cwd):
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self.new_cwd = new_cwd
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def __enter__(self):
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self.orig_cwd = os.getcwd()
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os.chdir(self.new_cwd)
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def __exit__(self, a, b, c):
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os.chdir(self.orig_cwd)
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class TmpPyPath:
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"""Context-manager for temporarily adding a directory to Python path."""
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def __init__(self, additional_path):
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self.additional_path = additional_path
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def __enter__(self):
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sys.path.append(self.additional_path)
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def __exit__(self, a, b, c):
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sys.path.remove(self.additional_path)
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def mock_open_to_str(mock):
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"""For accessing all data written into a unittest.mock.mock_open() instance as a string."""
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return "".join(
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[x.args[0] for x in mock.mock_calls if str(x).startswith("call().write(")]
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)
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def mkdtemp():
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if sys.version_info < (3, 10): # ignore_cleanup_errors was added in 3.10
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return tempfile.TemporaryDirectory()
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else:
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return tempfile.TemporaryDirectory(ignore_cleanup_errors=True)
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def mkdir_testfiles(localmodule, test):
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"""Keep the test files in a labeled test dir for easy reference"""
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testroot = Path(localmodule) / '.testfiles'
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testroot.mkdir(exist_ok=True)
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testdir = testroot / unittest.TestCase.id(test)
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testdir.mkdir(exist_ok=True)
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return tempfile.mkdtemp(dir=testdir)
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