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# -*- coding: utf-8 -*-
# pylint: disable=bad-option-value,unidiomatic-typecheck,undefined-variable,no-else-return,
# pylint: disable=too-many-function-args,unexpected-keyword-arg
import os
import sys
import tempfile
from datetime import datetime
from uuid import uuid4
try:
# python 2.x
from unittest2 import TestCase
except ImportError:
# python 3.x
from unittest import TestCase
from sh import git, rm, touch, DEFAULT_ENCODING, RunningCommand # pylint: disable=no-name-in-module
def ustr(obj):
""" Python 2 and 3 utility method that converts an obj to unicode in python 2 and to a str object in python 3"""
if sys.version_info[0] == 2:
# If we are getting a string, then do an explicit decode
# else, just call the unicode method of the object
if type(obj) in [str, basestring]: # pragma: no cover # noqa
return unicode(obj, DEFAULT_ENCODING) # pragma: no cover # noqa
else:
return unicode(obj) # pragma: no cover # noqa
else:
if type(obj) in [bytes]:
return obj.decode(DEFAULT_ENCODING)
else:
return str(obj)
class BaseTestCase(TestCase):
""" Base class of which all gitlint integration test classes are derived.
Provides a number of convenience methods. """
# In case of assert failures, print the full error message
maxDiff = None
tmp_git_repo = None
def setUp(self):
self.tmpfiles = []
def tearDown(self):
for tmpfile in self.tmpfiles:
os.remove(tmpfile)
def assertEqualStdout(self, output, expected): # pylint: disable=invalid-name
self.assertIsInstance(output, RunningCommand)
output = output.stdout.decode(DEFAULT_ENCODING)
output = output.replace('\r\n', '\n')
self.assertMultiLineEqual(output, expected)
@classmethod
def setUpClass(cls):
""" Sets up the integration tests by creating a new temporary git repository """
cls._tmp_git_repos = [cls.create_tmp_git_repo()]
cls.tmp_git_repo = cls._tmp_git_repos[0]
@classmethod
def tearDownClass(cls):
""" Cleans up the temporary git repositories """
for repo in cls._tmp_git_repos:
rm("-rf", repo)
@classmethod
def create_tmp_git_repo(cls):
""" Creates a temporary git repository and returns its directory path """
tmp_git_repo = os.path.realpath("/tmp/gitlint-test-{0}".format(
datetime.now().strftime("%Y%m%d-%H%M%S-%f")))
git("init", tmp_git_repo)
# configuring name and email is required in every git repot
git("config", "user.name", "gitlint-test-user", _cwd=tmp_git_repo)
git("config", "user.email", "gitlint@test.com", _cwd=tmp_git_repo)
# Git does not by default print unicode paths, fix that by setting core.quotePath to false
# http://stackoverflow.com/questions/34549040/git-not-displaying-unicode-file-names
# ftp://www.kernel.org/pub/software/scm/git/docs/git-config.html
git("config", "core.quotePath", "false", _cwd=tmp_git_repo)
# Git on mac doesn't like unicode characters by default, so we need to set this option
# http://stackoverflow.com/questions/5581857/git-and-the-umlaut-problem-on-mac-os-x
git("config", "core.precomposeunicode", "true", _cwd=tmp_git_repo)
return tmp_git_repo
def _create_simple_commit(self, message, out=None, ok_code=None, env=None, git_repo=None, tty_in=False):
""" Creates a simple commit with an empty test file.
:param message: Commit message for the commit. """
git_repo = self.tmp_git_repo if git_repo is None else git_repo
# Let's make sure that we copy the environment in which this python code was executed as environment
# variables can influence how git runs.
# This was needed to fix https://github.com/jorisroovers/gitlint/issues/15 as we need to make sure to use
# the PATH variable that contains the virtualenv's python binary.
environment = os.environ
if env:
environment.update(env)
test_filename = u"test-fïle-" + str(uuid4())
touch(test_filename, _cwd=git_repo)
git("add", test_filename, _cwd=git_repo)
# https://amoffat.github.io/sh/#interactive-callbacks
if not ok_code:
ok_code = [0]
git("commit", "-m", message, _cwd=git_repo, _err_to_out=True, _out=out, _tty_in=tty_in,
_ok_code=ok_code, _env=environment)
return test_filename
def create_tmpfile(self, content):
""" Utility method to create temp files. These are cleaned at the end of the test """
# Not using a context manager to avoid unneccessary identation in test code
tmpfile, tmpfilepath = tempfile.mkstemp()
self.tmpfiles.append(tmpfilepath)
with os.fdopen(tmpfile, "w") as f:
f.write(content)
return tmpfilepath
@staticmethod
def get_example_path(filename=""):
examples_dir = os.path.join(os.path.dirname(os.path.realpath(__file__)), "../examples")
return os.path.join(examples_dir, filename)
@staticmethod
def get_sample_path(filename=""):
samples_dir = os.path.join(os.path.dirname(os.path.realpath(__file__)), "samples")
return os.path.join(samples_dir, filename)
def get_last_commit_short_hash(self, git_repo=None):
git_repo = self.tmp_git_repo if git_repo is None else git_repo
return git("rev-parse", "--short", "HEAD", _cwd=git_repo, _err_to_out=True).replace("\n", "")
def get_last_commit_hash(self, git_repo=None):
git_repo = self.tmp_git_repo if git_repo is None else git_repo
return git("rev-parse", "HEAD", _cwd=git_repo, _err_to_out=True).replace("\n", "")
@staticmethod
def get_expected(filename="", variable_dict=None):
""" Utility method to read an 'expected' file and return it as a string. Optionally replace template variables
specified by variable_dict. """
expected_dir = os.path.join(os.path.dirname(os.path.realpath(__file__)), "expected")
expected_path = os.path.join(expected_dir, filename)
expected = open(expected_path).read()
if sys.version_info[0] == 2: # decode string if python2
expected = unicode(expected, DEFAULT_ENCODING) # noqa # pylint: disable=undefined-variable
if variable_dict:
expected = expected.format(**variable_dict)
return expected
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