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#!/usr/bin/env python
#
# Copyright 2016 Google Inc.
#
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Tests for asset_utils."""
import asset_utils
import os
import shutil
import subprocess
import sys
import tempfile
import unittest
import uuid
FILE_DIR = os.path.dirname(os.path.abspath(__file__))
INFRA_BOTS_DIR = os.path.realpath(os.path.join(FILE_DIR, os.pardir))
sys.path.insert(0, INFRA_BOTS_DIR)
import test_utils
import utils
CIPD_DEV_SERVICE_URL = 'https://chrome-infra-packages-dev.appspot.com'
GS_BUCKET = 'skia-infra-testdata'
def _fake_prompt(result):
"""Make a function that pretends to prompt for input and returns a result."""
return lambda s: result
def _write_stuff(target_dir):
"""Write some files and directories into target_dir."""
fw = test_utils.FileWriter(target_dir)
fw.mkdir('mydir')
fw.mkdir('anotherdir', 0o666)
fw.mkdir('dir3', 0o600)
fw.mkdir('subdir')
fw.write('a.txt', 0o777)
fw.write('b.txt', 0o751)
fw.write('c.txt', 0o640)
fw.write(os.path.join('subdir', 'd.txt'), 0o640)
class _LocalStore(object):
"""Local store used for testing."""
def __init__(self):
self.dir = tempfile.mkdtemp()
def get_available_versions(self, name):
target = os.path.join(self.dir, name)
if not os.path.isdir(target):
return []
contents = os.listdir(os.path.join(self.dir, name))
return sorted([int(d) for d in contents])
def upload(self, name, version, target_dir, extra_tags=None):
shutil.copytree(target_dir, os.path.join(self.dir, name, str(version)))
def download(self, name, version, target_dir):
shutil.copytree(os.path.join(self.dir, name, str(version)), target_dir)
def delete_contents(self, name):
try:
shutil.rmtree(self.dir)
except OSError:
if os.path.exists(self.dir):
raise
class StoreTest(unittest.TestCase):
"""Superclass used for testing one of the stores."""
def setUp(self):
self.asset_name = str(uuid.uuid4())
def tearDown(self):
pass
def _test_upload_download(self, store):
with utils.tmp_dir():
# Create input files and directories.
input_dir = os.path.join(os.getcwd(), 'input')
_write_stuff(input_dir)
# Upload a version, download it again.
store.upload(self.asset_name, 0, input_dir)
output_dir = os.path.join(os.getcwd(), 'output')
store.download(self.asset_name, 0, output_dir)
# Compare.
test_utils.compare_trees(self, input_dir, output_dir)
def _test_versions(self, store):
with utils.tmp_dir():
# Create input files and directories.
input_dir = os.path.join(os.getcwd(), 'input')
_write_stuff(input_dir)
self.assertEqual(store.get_available_versions(self.asset_name), [])
store.upload(self.asset_name, 0, input_dir)
self.assertEqual(store.get_available_versions(self.asset_name), [0])
store.upload(self.asset_name, 1, input_dir)
self.assertEqual(store.get_available_versions(self.asset_name), [0, 1])
store.delete_contents(self.asset_name)
self.assertEqual(store.get_available_versions(self.asset_name), [])
class LocalStoreTest(StoreTest):
"""Test the local store."""
def setUp(self):
super(LocalStoreTest, self).setUp()
self._store = _LocalStore()
def tearDown(self):
self._store.delete_contents(self.asset_name)
super(LocalStoreTest, self).tearDown()
def test_upload_download(self):
self._test_upload_download(self._store)
def test_versions(self):
self._test_versions(self._store)
# This test is disabled due to permissions issues with CIPD.
#class CIPDStoreTest(StoreTest):
# """Test the CIPD store."""
# def setUp(self):
# super(CIPDStoreTest, self).setUp()
# self._store = asset_utils.CIPDStore(cipd_url=CIPD_DEV_SERVICE_URL)
#
# def tearDown(self):
# self._store.delete_contents(self.asset_name)
# super(CIPDStoreTest, self).tearDown()
#
# def test_upload_download(self):
# self._test_upload_download(self._store)
#
# def test_versions(self):
# self._test_versions(self._store)
# This test is disabled because the interactions with GS can be flaky.
#class GSStoreTest(StoreTest):
# """Test the GS store."""
# def setUp(self):
# super(GSStoreTest, self).setUp()
# self._store = asset_utils.GSStore(gsutil=None, bucket=GS_BUCKET)
#
# def tearDown(self):
# self._store.delete_contents(self.asset_name)
# super(GSStoreTest, self).tearDown()
#
# def test_upload_download(self):
# self._test_upload_download(self._store)
#
# def test_versions(self):
# self._test_versions(self._store)
class AssetTest(unittest.TestCase):
"""Test Asset operations using a local store."""
def setUp(self):
self.asset_name = str(uuid.uuid4())
self.old_prompt = asset_utils._prompt
asset_utils._prompt = _fake_prompt('y')
self._store = _LocalStore()
self.a = asset_utils.Asset.add(self.asset_name, self._store)
def tearDown(self):
if self.a:
self.a.remove(remove_in_store=True)
asset_utils._prompt = self.old_prompt
gs_path = 'gs://%s/assets/%s' % (GS_BUCKET, self.asset_name)
gsutil = asset_utils.GSStore()._gsutil
attempt_delete = True
try:
subprocess.check_call(gsutil + ['ls', gs_path])
except subprocess.CalledProcessError:
attempt_delete = False
if attempt_delete:
subprocess.check_call(gsutil + ['rm', '-rf', gs_path])
def test_add_remove(self):
# Ensure that we can't create an asset twice.
with self.assertRaises(Exception):
asset_utils.Asset.add(self.asset_name, self._store)
# Ensure that the asset dir exists.
asset_dir = os.path.join(FILE_DIR, self.asset_name)
self.assertTrue(os.path.isdir(asset_dir))
# Remove the asset, ensure that it's gone.
self.a.remove()
self.a = None
self.assertFalse(os.path.exists(asset_dir))
def test_upload_download(self):
with utils.tmp_dir():
# Create input files and directories.
input_dir = os.path.join(os.getcwd(), 'input')
_write_stuff(input_dir)
# Upload a version, download it again.
self.a.upload_new_version(input_dir)
output_dir = os.path.join(os.getcwd(), 'output')
self.a.download_current_version(output_dir)
# Compare.
test_utils.compare_trees(self, input_dir, output_dir)
def test_versions(self):
with utils.tmp_dir():
# Create input files and directories.
input_dir = os.path.join(os.getcwd(), 'input')
_write_stuff(input_dir)
self.assertEqual(self.a.get_current_version(), -1)
self.assertEqual(self.a.get_available_versions(), [])
self.assertEqual(self.a.get_next_version(), 0)
self.a.upload_new_version(input_dir)
self.assertEqual(self.a.get_current_version(), 0)
self.assertEqual(self.a.get_available_versions(), [0])
self.assertEqual(self.a.get_next_version(), 1)
self.a.upload_new_version(input_dir)
self.assertEqual(self.a.get_current_version(), 1)
self.assertEqual(self.a.get_available_versions(), [0, 1])
self.assertEqual(self.a.get_next_version(), 2)
if __name__ == '__main__':
unittest.main()