django-rest-framework/rest_framework/runtests/runcoverage.py

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#!/usr/bin/env python
"""
Useful tool to run the test suite for rest_framework and generate a coverage report.
"""
# http://ericholscher.com/blog/2009/jun/29/enable-setuppy-test-your-django-apps/
# http://www.travisswicegood.com/2010/01/17/django-virtualenv-pip-and-fabric/
# http://code.djangoproject.com/svn/django/trunk/tests/runtests.py
import os
import sys
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# fix sys path so we don't need to setup PYTHONPATH
sys.path.append(os.path.join(os.path.dirname(__file__), "../.."))
os.environ['DJANGO_SETTINGS_MODULE'] = 'rest_framework.runtests.settings'
from coverage import coverage
def main():
"""Run the tests for rest_framework and generate a coverage report."""
cov = coverage()
cov.erase()
cov.start()
from django.conf import settings
from django.test.utils import get_runner
TestRunner = get_runner(settings)
if hasattr(TestRunner, 'func_name'):
# Pre 1.2 test runners were just functions,
# and did not support the 'failfast' option.
import warnings
warnings.warn(
'Function-based test runners are deprecated. Test runners should be classes with a run_tests() method.',
DeprecationWarning
)
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failures = TestRunner(['tests'])
else:
test_runner = TestRunner()
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failures = test_runner.run_tests(['tests'])
cov.stop()
# Discover the list of all modules that we should test coverage for
import rest_framework
project_dir = os.path.dirname(rest_framework.__file__)
cov_files = []
for (path, dirs, files) in os.walk(project_dir):
# Drop tests and runtests directories from the test coverage report
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if os.path.basename(path) in ['tests', 'runtests', 'migrations']:
continue
# Drop the compat module from coverage, since we're not interested in the coverage
# of a module which is specifically for resolving environment dependant imports.
# (Because we'll end up getting different coverage reports for it for each environment)
if 'compat.py' in files:
files.remove('compat.py')
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# Same applies to template tags module.
# This module has to include branching on Django versions,
# so it's never possible for it to have full coverage.
if 'rest_framework.py' in files:
files.remove('rest_framework.py')
cov_files.extend([os.path.join(path, file) for file in files if file.endswith('.py')])
cov.report(cov_files)
if '--html' in sys.argv:
cov.html_report(cov_files, directory='coverage')
sys.exit(failures)
if __name__ == '__main__':
main()