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# Copyright 2019 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Unittests for the git_command.py module."""
import os
import re
import subprocess
import unittest
try:
from unittest import mock
except ImportError:
import mock
import git_command
import wrapper
class GitCommandTest(unittest.TestCase):
"""Tests the GitCommand class (via git_command.git)."""
def setUp(self):
def realpath_mock(val):
return val
mock.patch.object(
os.path, "realpath", side_effect=realpath_mock
).start()
def tearDown(self):
mock.patch.stopall()
def test_alternative_setting_when_matching(self):
r = git_command._build_env(
objdir=os.path.join("zap", "objects"), gitdir="zap"
)
self.assertIsNone(r.get("GIT_ALTERNATE_OBJECT_DIRECTORIES"))
self.assertEqual(
r.get("GIT_OBJECT_DIRECTORY"), os.path.join("zap", "objects")
)
def test_alternative_setting_when_different(self):
r = git_command._build_env(
objdir=os.path.join("wow", "objects"), gitdir="zap"
)
self.assertEqual(
r.get("GIT_ALTERNATE_OBJECT_DIRECTORIES"),
os.path.join("zap", "objects"),
)
self.assertEqual(
r.get("GIT_OBJECT_DIRECTORY"), os.path.join("wow", "objects")
)
class GitCommandWaitTest(unittest.TestCase):
"""Tests the GitCommand class .Wait()"""
def setUp(self):
class MockPopen(object):
rc = 0
def communicate(
self, input: str = None, timeout: float = None
) -> [str, str]:
"""Mock communicate fn."""
return ["", ""]
def wait(self, timeout=None):
return self.rc
self.popen = popen = MockPopen()
def popen_mock(*args, **kwargs):
return popen
def realpath_mock(val):
return val
mock.patch.object(subprocess, "Popen", side_effect=popen_mock).start()
mock.patch.object(
os.path, "realpath", side_effect=realpath_mock
).start()
def tearDown(self):
mock.patch.stopall()
def test_raises_when_verify_non_zero_result(self):
self.popen.rc = 1
r = git_command.GitCommand(None, ["status"], verify_command=True)
with self.assertRaises(git_command.GitCommandError):
r.Wait()
def test_returns_when_no_verify_non_zero_result(self):
self.popen.rc = 1
r = git_command.GitCommand(None, ["status"], verify_command=False)
self.assertEqual(1, r.Wait())
def test_default_returns_non_zero_result(self):
self.popen.rc = 1
r = git_command.GitCommand(None, ["status"])
self.assertEqual(1, r.Wait())
class GitCallUnitTest(unittest.TestCase):
"""Tests the _GitCall class (via git_command.git)."""
def test_version_tuple(self):
"""Check git.version_tuple() handling."""
ver = git_command.git.version_tuple()
self.assertIsNotNone(ver)
# We don't dive too deep into the values here to avoid having to update
# whenever git versions change. We do check relative to this min
# version as this is what `repo` itself requires via MIN_GIT_VERSION.
MIN_GIT_VERSION = (2, 10, 2)
self.assertTrue(isinstance(ver.major, int))
self.assertTrue(isinstance(ver.minor, int))
self.assertTrue(isinstance(ver.micro, int))
self.assertGreater(ver.major, MIN_GIT_VERSION[0] - 1)
self.assertGreaterEqual(ver.micro, 0)
self.assertGreaterEqual(ver.major, 0)
self.assertGreaterEqual(ver, MIN_GIT_VERSION)
self.assertLess(ver, (9999, 9999, 9999))
self.assertNotEqual("", ver.full)
class UserAgentUnitTest(unittest.TestCase):
"""Tests the UserAgent function."""
def test_smoke_os(self):
"""Make sure UA OS setting returns something useful."""
os_name = git_command.user_agent.os
# We can't dive too deep because of OS/tool differences, but we can
# check the general form.
m = re.match(r"^[^ ]+$", os_name)
self.assertIsNotNone(m)
def test_smoke_repo(self):
"""Make sure repo UA returns something useful."""
ua = git_command.user_agent.repo
# We can't dive too deep because of OS/tool differences, but we can
# check the general form.
m = re.match(r"^git-repo/[^ ]+ ([^ ]+) git/[^ ]+ Python/[0-9.]+", ua)
self.assertIsNotNone(m)
def test_smoke_git(self):
"""Make sure git UA returns something useful."""
ua = git_command.user_agent.git
# We can't dive too deep because of OS/tool differences, but we can
# check the general form.
m = re.match(r"^git/[^ ]+ ([^ ]+) git-repo/[^ ]+", ua)
self.assertIsNotNone(m)
class GitRequireTests(unittest.TestCase):
"""Test the git_require helper."""
def setUp(self):
self.wrapper = wrapper.Wrapper()
ver = self.wrapper.GitVersion(1, 2, 3, 4)
mock.patch.object(
git_command.git, "version_tuple", return_value=ver
).start()
def tearDown(self):
mock.patch.stopall()
def test_older_nonfatal(self):
"""Test non-fatal require calls with old versions."""
self.assertFalse(git_command.git_require((2,)))
self.assertFalse(git_command.git_require((1, 3)))
self.assertFalse(git_command.git_require((1, 2, 4)))
self.assertFalse(git_command.git_require((1, 2, 3, 5)))
def test_newer_nonfatal(self):
"""Test non-fatal require calls with newer versions."""
self.assertTrue(git_command.git_require((0,)))
self.assertTrue(git_command.git_require((1, 0)))
self.assertTrue(git_command.git_require((1, 2, 0)))
self.assertTrue(git_command.git_require((1, 2, 3, 0)))
def test_equal_nonfatal(self):
"""Test require calls with equal values."""
self.assertTrue(git_command.git_require((1, 2, 3, 4), fail=False))
self.assertTrue(git_command.git_require((1, 2, 3, 4), fail=True))
def test_older_fatal(self):
"""Test fatal require calls with old versions."""
with self.assertRaises(git_command.GitRequireError) as e:
git_command.git_require((2,), fail=True)
self.assertNotEqual(0, e.code)
def test_older_fatal_msg(self):
"""Test fatal require calls with old versions and message."""
with self.assertRaises(git_command.GitRequireError) as e:
git_command.git_require((2,), fail=True, msg="so sad")
self.assertNotEqual(0, e.code)
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