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#!/usr/bin/python
# Author: Felix Wiemann
# Contact: Felix_Wiemann@ososo.de
# Revision: $Revision: 1.7 $
# Date: $Date: 2004/10/01 16:03:36 $
# Copyright: This module has been placed in the public domain.
"""
Perform tests with the data in the functional/ directory.
Read README.txt for details on how this is done.
"""
import sys
import os
import os.path
import unittest
import difflib
import docutils
import docutils.core
import DocutilsTestSupport
datadir = 'functional'
"""The directory to store the data needed for the functional tests."""
def join_path(*args):
return '/'.join(args) or '.'
class FunctionalTestSuite(DocutilsTestSupport.CustomTestSuite):
"""Test suite containing test cases for all config files."""
def __init__(self):
"""Process all config files in functional/tests/."""
DocutilsTestSupport.CustomTestSuite.__init__(self)
os.chdir(DocutilsTestSupport.testroot)
self.added = 0
os.path.walk(join_path(datadir, 'tests'), self.walker, None)
assert self.added, 'No functional tests found.'
def walker(self, dummy, dirname, names):
"""
Process all config files among `names` in `dirname`.
This is a helper function for os.path.walk. A config file is
a Python file (*.py) which sets several variables.
"""
for name in names:
if name.endswith('.py') and not name.startswith('_'):
config_file_full_path = join_path(dirname, name)
self.addTestCase(FunctionalTestCase, 'test', None, None,
id=config_file_full_path,
configfile=config_file_full_path)
self.added += 1
class FunctionalTestCase(DocutilsTestSupport.CustomTestCase):
"""Test case for one config file."""
def __init__(self, *args, **kwargs):
"""Set self.configfile, pass arguments to parent __init__."""
self.configfile = kwargs['configfile']
del kwargs['configfile']
DocutilsTestSupport.CustomTestCase.__init__(self, *args, **kwargs)
def shortDescription(self):
return 'test_functional.py: ' + self.configfile
def test(self):
"""Process self.configfile."""
os.chdir(DocutilsTestSupport.testroot)
# Keyword parameters for publish_file:
params = {}
# Initialize 'settings_overrides' for test settings scripts,
# and disable configuration files:
params['settings_overrides'] = {'_disable_config': 1}
# Read the variables set in the default config file and in
# the current config file into params:
execfile(join_path(datadir, 'tests', '_default.py'), params)
execfile(self.configfile, params)
# Check for required settings:
assert params.has_key('test_source'),\
"No 'test_source' supplied in " + self.configfile
assert params.has_key('test_destination'),\
"No 'test_destination' supplied in " + self.configfile
# Set source_path and destination_path if not given:
params.setdefault('source_path',
join_path(datadir, 'input',
params['test_source']))
# Path for actual output:
params.setdefault('destination_path',
join_path(datadir, 'output',
params['test_destination']))
# Path for expected output:
expected_path = join_path(datadir, 'expected',
params['test_destination'])
# test_source and test_destination aren't needed any more:
del params['test_source']
del params['test_destination']
# Delete private stuff like params['__builtins__']:
for key in params.keys():
if key.startswith('_'):
del params[key]
# Get output (automatically written to the output/ directory
# by publish_file):
output = docutils.core.publish_file(**params)
# Get the expected output *after* writing the actual output.
self.assert_(os.access(expected_path, os.R_OK),\
'Cannot find expected output at\n' + expected_path)
expected = open(expected_path).read()
diff = ('The expected and actual output differs.\n'
'Please compare the expected and actual output files:\n'
' diff %s %s\n'
'If the actual output is correct, please replace the\n'
'expected output and check it in to CVS:\n'
' mv %s %s\n'
' cvs commit -m "<comment>" %s'
% (expected_path, params['destination_path'],
params['destination_path'], expected_path, expected_path))
try:
self.assertEquals(output, expected, diff)
except AssertionError:
if hasattr(difflib, 'unified_diff'):
# Generate diff if unified_diff available:
diff = ''.join(
difflib.unified_diff(expected.splitlines(1),
output.splitlines(1),
expected_path,
params['destination_path']))
print >>sys.stderr, '\n%s:' % (self,)
print >>sys.stderr, diff
raise
def suite():
return FunctionalTestSuite()
if __name__ == '__main__':
unittest.main(defaultTest='suite')
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