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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
import bzrlib.selftest.whitebox
import bzrlib.selftest.blackbox
import bzrlib.selftest.versioning
from doctest import DocTestSuite
import os
import shutil
import time
import sys
_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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