forked from bartvdbraak/blender
Python tests: Split re-usable test related functionality to a module
The idea is to avoid re-implementing this for an upcoming FFmpeg tests.
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1178518a68
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@ -28,37 +28,17 @@ import sys
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import tempfile
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import tempfile
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import unittest
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import unittest
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from modules.test_utils import (with_tempdir,
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AbstractBlenderRunnerTest,
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)
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def with_tempdir(wrapped):
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"""Creates a temporary directory for the function, cleaning up after it returns normally.
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When the wrapped function raises an exception, the contents of the temporary directory
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remain available for manual inspection.
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The wrapped function is called with an extra positional argument containing
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the pathlib.Path() of the temporary directory.
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"""
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@functools.wraps(wrapped)
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def decorator(*args, **kwargs):
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dirname = tempfile.mkdtemp(prefix='blender-alembic-test')
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try:
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retval = wrapped(*args, pathlib.Path(dirname), **kwargs)
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except:
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print('Exception in %s, not cleaning up temporary directory %s' % (wrapped, dirname))
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raise
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else:
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shutil.rmtree(dirname)
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return retval
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return decorator
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class AbcPropError(Exception):
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class AbcPropError(Exception):
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"""Raised when AbstractAlembicTest.abcprop() finds an error."""
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"""Raised when AbstractAlembicTest.abcprop() finds an error."""
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class AbstractAlembicTest(unittest.TestCase):
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class AbstractAlembicTest(AbstractBlenderRunnerTest):
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@classmethod
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@classmethod
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def setUpClass(cls):
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def setUpClass(cls):
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import re
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import re
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@ -74,37 +54,6 @@ class AbstractAlembicTest(unittest.TestCase):
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# 'abcls' array notation, like "name[16]"
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# 'abcls' array notation, like "name[16]"
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cls.abcls_array = re.compile(r'^(?P<name>[^\[]+)(\[(?P<arraysize>\d+)\])?$')
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cls.abcls_array = re.compile(r'^(?P<name>[^\[]+)(\[(?P<arraysize>\d+)\])?$')
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def run_blender(self, filepath: str, python_script: str, timeout: int=300) -> str:
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"""Runs Blender by opening a blendfile and executing a script.
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Returns Blender's stdout + stderr combined into one string.
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:param filepath: taken relative to self.testdir.
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:param timeout: in seconds
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"""
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blendfile = self.testdir / filepath
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command = (
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self.blender,
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'--background',
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'-noaudio',
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'--factory-startup',
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'--enable-autoexec',
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str(blendfile),
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'-E', 'CYCLES',
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'--python-exit-code', '47',
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'--python-expr', python_script,
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)
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proc = subprocess.run(command, stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
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timeout=timeout)
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output = proc.stdout.decode('utf8')
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if proc.returncode:
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self.fail('Error %d running Blender:\n%s' % (proc.returncode, output))
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return output
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def abcprop(self, filepath: pathlib.Path, proppath: str) -> dict:
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def abcprop(self, filepath: pathlib.Path, proppath: str) -> dict:
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"""Uses abcls to obtain compound property values from an Alembic object.
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"""Uses abcls to obtain compound property values from an Alembic object.
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97
tests/python/modules/test_utils.py
Executable file
97
tests/python/modules/test_utils.py
Executable file
@ -0,0 +1,97 @@
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#!/usr/bin/env python3
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# ##### BEGIN GPL LICENSE BLOCK #####
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (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 General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# ##### END GPL LICENSE BLOCK #####
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# <pep8 compliant>
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import argparse
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import functools
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import shutil
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import pathlib
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import re
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import subprocess
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import sys
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import tempfile
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import unittest
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def with_tempdir(wrapped):
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"""Creates a temporary directory for the function, cleaning up after it returns normally.
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When the wrapped function raises an exception, the contents of the temporary directory
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remain available for manual inspection.
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The wrapped function is called with an extra positional argument containing
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the pathlib.Path() of the temporary directory.
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"""
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@functools.wraps(wrapped)
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def decorator(*args, **kwargs):
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dirname = tempfile.mkdtemp(prefix='blender-alembic-test')
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try:
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retval = wrapped(*args, pathlib.Path(dirname), **kwargs)
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except:
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print('Exception in %s, not cleaning up temporary directory %s' % (wrapped, dirname))
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raise
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else:
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shutil.rmtree(dirname)
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return retval
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return decorator
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class AbstractBlenderRunnerTest(unittest.TestCase):
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"""Base class for all test suites which needs to run Blender"""
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@classmethod
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def setUpClass(cls):
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global args
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cls.blender = args.blender
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cls.testdir = pathlib.Path(args.testdir)
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def run_blender(self, filepath: str, python_script: str, timeout: int=300) -> str:
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"""Runs Blender by opening a blendfile and executing a script.
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Returns Blender's stdout + stderr combined into one string.
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:param filepath: taken relative to self.testdir.
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:param timeout: in seconds
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"""
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blendfile = self.testdir / filepath
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command = (
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self.blender,
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'--background',
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'-noaudio',
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'--factory-startup',
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'--enable-autoexec',
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str(blendfile),
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'-E', 'CYCLES',
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'--python-exit-code', '47',
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'--python-expr', python_script,
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)
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proc = subprocess.run(command, stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
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timeout=timeout)
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output = proc.stdout.decode('utf8')
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if proc.returncode:
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self.fail('Error %d running Blender:\n%s' % (proc.returncode, output))
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return output
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