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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
from unittest import TestResult, TestCase
try:
import shutil
from subprocess import call, Popen, PIPE
except ImportError, e:
sys.stderr.write("testbzr: sorry, this test suite requires the subprocess module\n"
"this is shipped with python2.4 and available separately for 2.3\n")
raise
class CommandFailed(Exception):
pass
class TestBase(TestCase):
"""Base class for bzr test cases.
Just defines some useful helper functions; doesn't actually test
anything.
"""
# TODO: Special methods to invoke bzr, so that we can run it
# through a specified Python intepreter
OVERRIDE_PYTHON = None # to run with alternative python 'python'
BZRPATH = 'bzr'
_log_buf = ""
def formcmd(self, cmd):
if isinstance(cmd, basestring):
cmd = cmd.split()
if cmd[0] == 'bzr':
cmd[0] = self.BZRPATH
if self.OVERRIDE_PYTHON:
cmd.insert(0, self.OVERRIDE_PYTHON)
self.log('$ %r' % cmd)
return cmd
def runcmd(self, cmd, retcode=0):
"""Run one command and check the return code.
Returns a tuple of (stdout,stderr) strings.
If a single string is based, it is split into words.
For commands that are not simple space-separated words, please
pass a list instead."""
cmd = self.formcmd(cmd)
self.log('$ ' + ' '.join(cmd))
actual_retcode = call(cmd, stdout=self.TEST_LOG, stderr=self.TEST_LOG)
if retcode != actual_retcode:
raise CommandFailed("test failed: %r returned %d, expected %d"
% (cmd, actual_retcode, retcode))
def backtick(self, cmd, retcode=0):
"""Run a command and return its output"""
cmd = self.formcmd(cmd)
child = Popen(cmd, stdout=PIPE, stderr=self.TEST_LOG)
outd, errd = child.communicate()
self.log(outd)
actual_retcode = child.wait()
outd = outd.replace('\r', '')
if retcode != actual_retcode:
raise CommandFailed("test failed: %r returned %d, expected %d"
% (cmd, actual_retcode, retcode))
return outd
def build_tree(self, shape):
"""Build a test tree according to a pattern.
shape is a sequence of file specifications. If the final
character is '/', a directory is created.
This doesn't add anything to a branch.
"""
# XXX: It's OK to just create them using forward slashes on windows?
import os
for name in shape:
assert isinstance(name, basestring)
if name[-1] == '/':
os.mkdir(name[:-1])
else:
f = file(name, 'wt')
print >>f, "contents of", name
f.close()
def log(self, msg):
"""Log a message to a progress file"""
self._log_buf = self._log_buf + str(msg) + '\n'
print >>self.TEST_LOG, msg
def check_inventory_shape(self, inv, shape):
"""
Compare an inventory to a list of expected names.
Fail if they are not precisely equal.
"""
extras = []
shape = list(shape) # copy
for path, ie in inv.entries():
name = path.replace('\\', '/')
if ie.kind == 'dir':
name = name + '/'
if name in shape:
shape.remove(name)
else:
extras.append(name)
if shape:
self.fail("expected paths not found in inventory: %r" % shape)
if extras:
self.fail("unexpected paths found in inventory: %r" % extras)
def check_file_contents(self, filename, expect):
self.log("check contents of file %s" % filename)
contents = file(filename, 'r').read()
if contents != expect:
self.log("expected: %r" % expected)
self.log("actually: %r" % contents)
self.fail("contents of %s not as expected")
class InTempDir(TestBase):
"""Base class for tests run in a temporary branch."""
def setUp(self):
import os
self.test_dir = os.path.join(self.TEST_ROOT, self.__class__.__name__)
os.mkdir(self.test_dir)
os.chdir(self.test_dir)
def tearDown(self):
import os
os.chdir(self.TEST_ROOT)
class _MyResult(TestResult):
"""
Custom TestResult.
No special behaviour for now.
"""
def __init__(self, out):
self.out = out
TestResult.__init__(self)
def startTest(self, test):
# TODO: Maybe show test.shortDescription somewhere?
print >>self.out, '%-60.60s' % test.id(),
self.out.flush()
TestResult.startTest(self, test)
def stopTest(self, test):
# print
TestResult.stopTest(self, test)
def addError(self, test, err):
print >>self.out, 'ERROR'
TestResult.addError(self, test, err)
_show_test_failure('error', test, err, self.out)
def addFailure(self, test, err):
print >>self.out, 'FAILURE'
TestResult.addFailure(self, test, err)
_show_test_failure('failure', test, err, self.out)
def addSuccess(self, test):
print >>self.out, 'OK'
TestResult.addSuccess(self, test)
def selftest():
from unittest import TestLoader, TestSuite
import bzrlib, bzrlib.store, bzrlib.inventory, bzrlib.branch, bzrlib.osutils, bzrlib.commands
import bzrlib.selftest.whitebox
import bzrlib.selftest.blackbox
import bzrlib.selftest.versioning
from doctest import DocTestSuite
import os
import shutil
import time
import sys
TestBase.BZRPATH = os.path.join(os.path.realpath(os.path.dirname(bzrlib.__path__[0])), 'bzr')
print '%-30s %s' % ('bzr binary', TestBase.BZRPATH)
_setup_test_log()
_setup_test_dir()
print
suite = TestSuite()
tl = TestLoader()
for m in bzrlib.selftest.whitebox, \
bzrlib.selftest.versioning:
suite.addTest(tl.loadTestsFromModule(m))
for m in bzrlib.store, bzrlib.inventory, bzrlib.branch, bzrlib.osutils, \
bzrlib.commands:
suite.addTest(DocTestSuite(m))
suite.addTest(bzrlib.selftest.blackbox.suite())
# save stdout & stderr so there's no leakage from code-under-test
real_stdout = sys.stdout
real_stderr = sys.stderr
sys.stdout = sys.stderr = TestBase.TEST_LOG
try:
result = _MyResult(real_stdout)
suite.run(result)
finally:
sys.stdout = real_stdout
sys.stderr = real_stderr
_show_results(result)
return result.wasSuccessful()
def _setup_test_log():
import time
import os
log_filename = os.path.abspath('testbzr.log')
TestBase.TEST_LOG = open(log_filename, 'wt', buffering=1) # line buffered
print >>TestBase.TEST_LOG, "bzr tests run at " + time.ctime()
print '%-30s %s' % ('test log', log_filename)
def _setup_test_dir():
import os
import shutil
TestBase.ORIG_DIR = os.getcwdu()
TestBase.TEST_ROOT = os.path.abspath("testbzr.tmp")
print '%-30s %s' % ('running tests in', TestBase.TEST_ROOT)
if os.path.exists(TestBase.TEST_ROOT):
shutil.rmtree(TestBase.TEST_ROOT)
os.mkdir(TestBase.TEST_ROOT)
os.chdir(TestBase.TEST_ROOT)
# make a fake bzr directory there to prevent any tests propagating
# up onto the source directory's real branch
os.mkdir(os.path.join(TestBase.TEST_ROOT, '.bzr'))
def _show_results(result):
print
print '%4d tests run' % result.testsRun
print '%4d errors' % len(result.errors)
print '%4d failures' % len(result.failures)
def _show_test_failure(kind, case, exc_info, out):
from traceback import print_exception
print >>out, '-' * 60
print >>out, case
desc = case.shortDescription()
if desc:
print >>out, ' (%s)' % desc
print_exception(exc_info[0], exc_info[1], exc_info[2], None, out)
if isinstance(case, TestBase):
print >>out
print >>out, 'log from this test:'
print >>out, case._log_buf
print >>out, '-' * 60
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