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#!/usr/bin/env python3
# Copyright 2023 the V8 project authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can
# be found in the LICENSE file.
import contextlib
import io
import os
import pathlib
import unittest
from tempfile import TemporaryDirectory
from unittest.mock import patch, mock_open
from download_profiles import main, parse_args, retrieve_version
class TestDownloadProfiles(unittest.TestCase):
def _test_cmd(self, cmd, exitcode):
out = io.StringIO()
err = io.StringIO()
with self.assertRaises(SystemExit) as se, \
contextlib.redirect_stdout(out), \
contextlib.redirect_stderr(err):
main(cmd)
self.assertEqual(se.exception.code, exitcode)
return out.getvalue(), err.getvalue()
def test_validate_profiles(self):
out, err = self._test_cmd(['validate', '--version', '11.1.0.0'], 0)
self.assertEqual(len(out), 0)
self.assertEqual(len(err), 0)
def test_download_profiles(self):
with TemporaryDirectory() as td, \
patch('download_profiles.PGO_PROFILE_DIR', pathlib.Path(td)):
out, err = self._test_cmd(['download', '--version', '11.1.0.0'], 0)
self.assertEqual(len(out), 0)
self.assertEqual(len(err), 0)
self.assertGreater(
len([f for f in os.listdir(td) if f.endswith('.profile')]), 0)
with open(pathlib.Path(td) / 'profiles_version') as f:
self.assertEqual(f.read(), '11.1.0.0')
# A second download should not be started as profiles exist already
with patch('download_profiles.call_gsutil') as gsutil:
out, err = self._test_cmd(['download', '--version', '11.1.0.0'], 0)
self.assertEqual(
out,
'Profiles already downloaded, use --force to overwrite.\n',
)
gsutil.assert_not_called()
# A forced download should always trigger
with patch('download_profiles.call_gsutil') as gsutil:
cmd = ['download', '--version', '11.1.0.0', '--force']
out, err = self._test_cmd(cmd, 0)
self.assertEqual(len(out), 0)
self.assertEqual(len(err), 0)
gsutil.assert_called_once()
def test_invalid_args(self):
out, err = self._test_cmd(['invalid-action'], 2)
self.assertEqual(len(out), 0)
self.assertGreater(len(err), 0)
def test_invalid_depot_tools_path(self):
out, err = self._test_cmd(
['validate', '--depot-tools', '/no-depot-tools-path'], 3)
self.assertEqual(len(out), 0)
self.assertGreater(len(err), 0)
def test_missing_profiles(self):
out, err = self._test_cmd(['download', '--version', '0.0.0.42'], 4)
self.assertEqual(len(out), 0)
self.assertGreater(len(err), 0)
class TestRetrieveVersion(unittest.TestCase):
def mock_version_file(self, major, minor, build, patch):
return (
f'#define V8_MAJOR_VERSION {major}\n'
f'#define V8_MINOR_VERSION {minor}\n'
f'#define V8_BUILD_NUMBER {build}\n'
f'#define V8_PATCH_LEVEL {patch}\n'
)
def test_retrieve_valid_version(self):
with patch(
'builtins.open',
new=mock_open(read_data=self.mock_version_file(11, 4, 1, 0))):
args = parse_args(['download'])
version = retrieve_version(args)
self.assertEqual(version, '11.4.1.0')
def test_retrieve_parameter_version(self):
args = parse_args(['download', '--version', '11.1.1.42'])
version = retrieve_version(args)
self.assertEqual(version, '11.1.1.42')
def test_retrieve_untagged_version(self):
out = io.StringIO()
with patch(
'builtins.open',
new=mock_open(read_data=self.mock_version_file(11, 4, 0, 0))), \
contextlib.redirect_stdout(out), \
self.assertRaises(SystemExit) as se:
args = parse_args(['download'])
version = retrieve_version(args)
self.assertEqual(se.exception.code, 0)
self.assertEqual(out.getvalue(),
'The version file specifies 11.4.0.0, which has no profiles.\n')
if __name__ == '__main__':
unittest.main()
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