skia2/tools/tests/base_unittest.py
commit-bot@chromium.org 11f156201a add unittest for render_pictures binary
Once committed, this will be run as part of RunToolSelfTests on http://108.170.217.252:10117/builders/Housekeeper-PerCommit .

BUG=skia:1943
R=rmistry@google.com

Author: epoger@google.com

Review URL: https://codereview.chromium.org/124253002

git-svn-id: http://skia.googlecode.com/svn/trunk@12941 2bbb7eff-a529-9590-31e7-b0007b416f81
2014-01-07 17:03:40 +00:00

86 lines
2.8 KiB
Python
Executable File

#!/usr/bin/python
"""
Copyright 2014 Google Inc.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
A wrapper around the standard Python unittest library, adding features we need
for various unittests within this directory.
"""
import os
import subprocess
import unittest
class TestCase(unittest.TestCase):
def shortDescription(self):
"""Tell unittest framework to not print docstrings for test cases."""
return None
def run_command(self, args):
"""Runs a program from the command line and returns stdout.
Args:
args: Command line to run, as a list of string parameters. args[0] is the
binary to run.
Returns:
stdout from the program, as a single string.
Raises:
Exception: the program exited with a nonzero return code.
"""
proc = subprocess.Popen(args,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
(stdout, stderr) = proc.communicate()
if proc.returncode is not 0:
raise Exception('command "%s" failed: %s' % (args, stderr))
return stdout
def find_path_to_program(self, program):
"""Returns path to an existing program binary.
Args:
program: Basename of the program to find (e.g., 'render_pictures').
Returns:
Absolute path to the program binary, as a string.
Raises:
Exception: unable to find the program binary.
"""
trunk_path = os.path.abspath(os.path.join(os.path.dirname(__file__),
os.pardir, os.pardir))
possible_paths = [os.path.join(trunk_path, 'out', 'Release', program),
os.path.join(trunk_path, 'out', 'Debug', program),
os.path.join(trunk_path, 'out', 'Release',
program + '.exe'),
os.path.join(trunk_path, 'out', 'Debug',
program + '.exe')]
for try_path in possible_paths:
if os.path.isfile(try_path):
return try_path
raise Exception('cannot find %s in paths %s; maybe you need to '
'build %s?' % (program, possible_paths, program))
def main(test_case_class):
"""Run the unit tests within the given class.
Raises an Exception if any of those tests fail (in case we are running in the
context of run_all.py, which depends on that Exception to signal failures).
TODO(epoger): Make all of our unit tests use the Python unittest framework,
so we can leverage its ability to run *all* the tests and report failures at
the end.
"""
suite = unittest.TestLoader().loadTestsFromTestCase(test_case_class)
results = unittest.TextTestRunner(verbosity=2).run(suite)
if not results.wasSuccessful():
raise Exception('failed unittest %s' % test_case_class)