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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright 2020 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Unit tests for git helper functions."""
from __future__ import print_function
import os
import subprocess
import tempfile
import unittest
import unittest.mock as mock
import git
# These are unittests; protected access is OK to a point.
# pylint: disable=protected-access
class HelperFunctionsTest(unittest.TestCase):
"""Test class for updating LLVM hashes of packages."""
@mock.patch.object(os.path, 'isdir', return_value=False)
def testFailedToCreateBranchForInvalidDirectoryPath(self, mock_isdir):
path_to_repo = '/invalid/path/to/repo'
branch = 'branch-name'
# Verify the exception is raised when provided an invalid directory path.
with self.assertRaises(ValueError) as err:
git.CreateBranch(path_to_repo, branch)
self.assertEqual(
str(err.exception),
'Invalid directory path provided: %s' % path_to_repo)
mock_isdir.assert_called_once()
@mock.patch.object(os.path, 'isdir', return_value=True)
@mock.patch.object(subprocess, 'check_output', return_value=None)
def testSuccessfullyCreatedBranch(self, mock_command_output, mock_isdir):
path_to_repo = '/path/to/repo'
branch = 'branch-name'
git.CreateBranch(path_to_repo, branch)
mock_isdir.assert_called_once_with(path_to_repo)
self.assertEqual(mock_command_output.call_count, 2)
@mock.patch.object(os.path, 'isdir', return_value=False)
def testFailedToDeleteBranchForInvalidDirectoryPath(self, mock_isdir):
path_to_repo = '/invalid/path/to/repo'
branch = 'branch-name'
# Verify the exception is raised on an invalid repo path.
with self.assertRaises(ValueError) as err:
git.DeleteBranch(path_to_repo, branch)
self.assertEqual(
str(err.exception),
'Invalid directory path provided: %s' % path_to_repo)
mock_isdir.assert_called_once()
@mock.patch.object(os.path, 'isdir', return_value=True)
@mock.patch.object(subprocess, 'check_output', return_value=None)
def testSuccessfullyDeletedBranch(self, mock_command_output, mock_isdir):
path_to_repo = '/valid/path/to/repo'
branch = 'branch-name'
git.DeleteBranch(path_to_repo, branch)
mock_isdir.assert_called_once_with(path_to_repo)
self.assertEqual(mock_command_output.call_count, 3)
@mock.patch.object(os.path, 'isdir', return_value=False)
def testFailedToUploadChangesForInvalidDirectoryPath(self, mock_isdir):
path_to_repo = '/some/path/to/repo'
branch = 'update-LLVM_NEXT_HASH-a123testhash3'
commit_messages = ['Test message']
# Verify exception is raised when on an invalid repo path.
with self.assertRaises(ValueError) as err:
git.UploadChanges(path_to_repo, branch, commit_messages)
self.assertEqual(
str(err.exception), 'Invalid path provided: %s' % path_to_repo)
mock_isdir.assert_called_once()
@mock.patch.object(os.path, 'isdir', return_value=True)
@mock.patch.object(subprocess, 'check_output')
@mock.patch.object(tempfile, 'NamedTemporaryFile')
def testSuccessfullyUploadedChangesForReview(self, mock_tempfile,
mock_commands, mock_isdir):
path_to_repo = '/some/path/to/repo'
branch = 'branch-name'
commit_messages = ['Test message']
mock_tempfile.return_value.__enter__.return_value.name = 'tmp'
# A test CL generated by `repo upload`.
mock_commands.side_effect = [
None,
('remote: https://chromium-review.googlesource.'
'com/c/chromiumos/overlays/chromiumos-overlay/'
'+/193147 Fix stdout')
]
change_list = git.UploadChanges(path_to_repo, branch, commit_messages)
self.assertEqual(change_list.cl_number, 193147)
mock_isdir.assert_called_once_with(path_to_repo)
expected_command = [
'git', 'commit', '-F',
mock_tempfile.return_value.__enter__.return_value.name
]
self.assertEqual(mock_commands.call_args_list[0],
mock.call(expected_command, cwd=path_to_repo))
expected_cmd = [
'repo', 'upload', '--yes', '--ne', '--no-verify',
'--br=%s' % branch
]
self.assertEqual(
mock_commands.call_args_list[1],
mock.call(
expected_cmd,
stderr=subprocess.STDOUT,
cwd=path_to_repo,
encoding='utf-8'))
self.assertEqual(
change_list.url,
'https://chromium-review.googlesource.com/c/chromiumos/overlays/'
'chromiumos-overlay/+/193147')
if __name__ == '__main__':
unittest.main()