1 files changed, 178 insertions, 0 deletions
diff --git a/qa/base.py b/qa/base.py
new file mode 100644
index 0000000..05d85e5
--- /dev/null
+++ b/qa/base.py
@@ -0,0 +1,178 @@
+# -*- 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 io
+import os
+import platform
+import shutil
+import sys
+import tempfile
+from datetime import datetime
+from uuid import uuid4
+
+import arrow
+
+try:
+    # python 2.x
+    from unittest2 import TestCase
+except ImportError:
+    # python 3.x
+    from unittest import TestCase
+
+from qa.shell import git, gitlint, RunningCommand
+from qa.utils import DEFAULT_ENCODING, ustr
+
+
+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
+
+    GITLINT_USE_SH_LIB = os.environ.get("GITLINT_USE_SH_LIB", "[NOT SET]")
+    GIT_CONTEXT_ERROR_CODE = 254
+
+    @classmethod
+    def setUpClass(cls):
+        """ Sets up the integration tests by creating a new temporary git repository """
+        cls.tmp_git_repos = []
+        cls.tmp_git_repo = cls.create_tmp_git_repo()
+
+    @classmethod
+    def tearDownClass(cls):
+        """ Cleans up the temporary git repositories """
+        for repo in cls.tmp_git_repos:
+            shutil.rmtree(repo)
+
+    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 = ustr(output.stdout)
+        output = output.replace('\r', '')
+        self.assertMultiLineEqual(output, expected)
+
+    @classmethod
+    def generate_temp_path(cls):
+        return os.path.realpath("/tmp/gitlint-test-{0}".format(datetime.now().strftime("%Y%m%d-%H%M%S-%f")))
+
+    @classmethod
+    def create_tmp_git_repo(cls):
+        """ Creates a temporary git repository and returns its directory path """
+        tmp_git_repo = cls.generate_temp_path()
+        cls.tmp_git_repos.append(tmp_git_repo)
+
+        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
+
+    @staticmethod
+    def create_file(parent_dir):
+        """ Creates a file inside a passed directory. Returns filename."""
+        test_filename = u"test-fïle-" + str(uuid4())
+        io.open(os.path.join(parent_dir, test_filename), 'a', encoding=DEFAULT_ENCODING).close()
+        return test_filename
+
+    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)
+
+        # Create file and add to git
+        test_filename = self.create_file(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 io.open(tmpfile, "w", encoding=DEFAULT_ENCODING) 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 = io.open(expected_path, encoding=DEFAULT_ENCODING).read()
+
+        if variable_dict:
+            expected = expected.format(**variable_dict)
+        return expected
+
+    @staticmethod
+    def get_system_info_dict():
+        """ Returns a dict with items related to system values logged by `gitlint --debug` """
+        expected_gitlint_version = gitlint("--version").replace("gitlint, version ", "").replace("\n", "")
+        expected_git_version = git("--version").replace("\n", "")
+        return {'platform': platform.platform(), 'python_version': sys.version,
+                'git_version': expected_git_version, 'gitlint_version': expected_gitlint_version,
+                'GITLINT_USE_SH_LIB': BaseTestCase.GITLINT_USE_SH_LIB}
+
+    def get_debug_vars_last_commit(self, git_repo=None):
+        """ Returns a dict with items related to `gitlint --debug` output for the last commit. """
+        target_repo = git_repo if git_repo else self.tmp_git_repo
+        commit_sha = self.get_last_commit_hash(git_repo=target_repo)
+        expected_date = git("log", "-1", "--pretty=%ai", _tty_out=False, _cwd=target_repo)
+        expected_date = arrow.get(str(expected_date), "YYYY-MM-DD HH:mm:ss Z").format("YYYY-MM-DD HH:mm:ss Z")
+
+        expected_kwargs = self.get_system_info_dict()
+        expected_kwargs.update({'target': target_repo, 'commit_sha': commit_sha, 'commit_date': expected_date})
+        return expected_kwargs