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# Copyright (C) 2005 by Canonical Ltd
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""Enhanced layer on unittest.
This does several things:
* nicer reporting as tests run
* test code can log messages into a buffer that is recorded to disk
and displayed if the test fails
* tests can be run in a separate directory, which is useful for code that
wants to create files
* utilities to run external commands and check their return code
and/or output
Test cases should normally subclass testsweet.TestCase. The test runner should
call runsuite().
This is meant to become independent of bzr, though that's not quite
true yet.
"""
import unittest
import sys
# XXX: Don't need this anymore now we depend on python2.4
def _need_subprocess():
sys.stderr.write("sorry, this test suite requires the subprocess module\n"
"this is shipped with python2.4 and available separately for 2.3\n")
class CommandFailed(Exception):
pass
class TestSkipped(Exception):
"""Indicates that a test was intentionally skipped, rather than failing."""
# XXX: Not used yet
class _MyResult(unittest._TextTestResult):
"""
Custom TestResult.
No special behaviour for now.
"""
def startTest(self, test):
unittest.TestResult.startTest(self, test)
# TODO: Maybe show test.shortDescription somewhere?
what = test.id()
# python2.3 has the bad habit of just "runit" for doctests
if what == 'runit':
what = test.shortDescription()
if self.showAll:
self.stream.write('%-60.60s' % what)
self.stream.flush()
def addError(self, test, err):
super(_MyResult, self).addError(test, err)
self.stream.flush()
def addFailure(self, test, err):
super(_MyResult, self).addFailure(test, err)
self.stream.flush()
def addSuccess(self, test):
if self.showAll:
self.stream.writeln('OK')
elif self.dots:
self.stream.write('~')
self.stream.flush()
unittest.TestResult.addSuccess(self, test)
def printErrorList(self, flavour, errors):
for test, err in errors:
self.stream.writeln(self.separator1)
self.stream.writeln("%s: %s" % (flavour,self.getDescription(test)))
self.stream.writeln(self.separator2)
self.stream.writeln("%s" % err)
if hasattr(test, '_get_log'):
self.stream.writeln()
self.stream.writeln('log from this test:')
print >>self.stream, test._get_log()
class TextTestRunner(unittest.TextTestRunner):
def _makeResult(self):
return _MyResult(self.stream, self.descriptions, self.verbosity)
def run_suite(suite, name='test', verbose=False):
import shutil
from bzrlib.selftest import FunctionalTestCase
FunctionalTestCase._TEST_NAME = name
if verbose:
verbosity = 2
else:
verbosity = 1
runner = TextTestRunner(stream=sys.stdout,
descriptions=0,
verbosity=verbosity)
result = runner.run(suite)
# This is still a little bogus,
# but only a little. Folk not using our testrunner will
# have to delete their temp directories themselves.
if result.wasSuccessful():
if FunctionalTestCase.TEST_ROOT:
shutil.rmtree(FunctionalTestCase.TEST_ROOT)
else:
print "Failed tests working directories are in '%s'\n" % FunctionalTestCase.TEST_ROOT
return result.wasSuccessful()
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