3f04517721
When set, it will only write out images that don't match expectations. BUG=skia:1942 R=rmistry@google.com Author: epoger@google.com Review URL: https://codereview.chromium.org/283123002 git-svn-id: http://skia.googlecode.com/svn/trunk@14748 2bbb7eff-a529-9590-31e7-b0007b416f81
89 lines
2.4 KiB
Python
Executable File
89 lines
2.4 KiB
Python
Executable File
#!/usr/bin/python
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"""
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Copyright 2014 Google Inc.
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Use of this source code is governed by a BSD-style license that can be
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found in the LICENSE file.
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A wrapper around the standard Python unittest library, adding features we need
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for various unittests within this directory.
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"""
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import errno
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import os
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import shutil
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import sys
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import unittest
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# Set the PYTHONPATH to include the tools directory.
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sys.path.append(
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os.path.join(os.path.dirname(os.path.realpath(__file__)), os.pardir))
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import find_run_binary
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class TestCase(unittest.TestCase):
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def shortDescription(self):
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"""Tell unittest framework to not print docstrings for test cases."""
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return None
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def create_empty_dir(self, path):
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"""Creates an empty directory at path and returns path.
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Args:
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path: path on local disk
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"""
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shutil.rmtree(path=path, ignore_errors=True)
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try:
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os.makedirs(path)
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except OSError as exc:
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if exc.errno != errno.EEXIST:
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raise
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return path
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def run_command(self, args):
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"""Runs a program from the command line and returns stdout.
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Args:
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args: Command line to run, as a list of string parameters. args[0] is the
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binary to run.
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Returns:
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stdout from the program, as a single string.
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Raises:
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Exception: the program exited with a nonzero return code.
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"""
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return find_run_binary.run_command(args)
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def find_path_to_program(self, program):
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"""Returns path to an existing program binary.
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Args:
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program: Basename of the program to find (e.g., 'render_pictures').
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Returns:
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Absolute path to the program binary, as a string.
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Raises:
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Exception: unable to find the program binary.
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"""
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return find_run_binary.find_path_to_program(program)
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def main(test_case_class):
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"""Run the unit tests within the given class.
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Raises an Exception if any of those tests fail (in case we are running in the
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context of run_all.py, which depends on that Exception to signal failures).
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TODO(epoger): Make all of our unit tests use the Python unittest framework,
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so we can leverage its ability to run *all* the tests and report failures at
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the end.
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"""
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suite = unittest.TestLoader().loadTestsFromTestCase(test_case_class)
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results = unittest.TextTestRunner(verbosity=2).run(suite)
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if not results.wasSuccessful():
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raise Exception('failed unittest %s' % test_case_class)
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