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# 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.
"""Tests for the file repository implementation."""
import os.path
import shutil
import tempfile
import fixtures
import testtools
from testtools import matchers
from stestr.repository import file
from stestr.tests import base
class FileRepositoryFixture(fixtures.Fixture):
def __init__(self, path=None, initialise=True):
super().__init__()
self.path = path
self.initialise = initialise
def setUp(self):
super().setUp()
if self.path and os.path.isdir(self.path):
self.tempdir = self.path
else:
self.tempdir = tempfile.mkdtemp()
self.addCleanup(shutil.rmtree, self.tempdir)
if self.initialise:
self.repo = file.RepositoryFactory().initialise(self.tempdir)
class HomeDirTempDir(fixtures.Fixture):
"""Creates a temporary directory in ~."""
def setUp(self):
super().setUp()
home_dir = os.path.expanduser("~")
self.temp_dir = tempfile.mkdtemp(dir=home_dir)
self.addCleanup(shutil.rmtree, self.temp_dir)
self.short_path = os.path.join("~", os.path.basename(self.temp_dir))
class TestFileRepository(base.TestCase):
def setUp(self):
super().setUp()
self.tempdir = tempfile.mkdtemp()
self.addCleanup(shutil.rmtree, self.tempdir)
def test_initialise(self):
self.useFixture(FileRepositoryFixture(path=self.tempdir))
base = os.path.join(self.tempdir, ".stestr")
self.assertTrue(os.path.isdir(base))
self.assertTrue(os.path.isfile(os.path.join(base, "format")))
with open(os.path.join(base, "format")) as stream:
contents = stream.read()
self.assertEqual("1\n", contents)
with open(os.path.join(base, "next-stream")) as stream:
contents = stream.read()
self.assertEqual("0\n", contents)
def test_initialise_empty_dir(self):
self.useFixture(FileRepositoryFixture(path=self.tempdir, initialise=False))
base = os.path.join(self.tempdir, ".stestr")
os.mkdir(base)
self.assertFalse(os.path.isfile(os.path.join(base, "format")))
self.repo = file.RepositoryFactory().initialise(self.tempdir)
self.assertTrue(os.path.isdir(base))
self.assertTrue(os.path.isfile(os.path.join(base, "format")))
with open(os.path.join(base, "format")) as stream:
contents = stream.read()
self.assertEqual("1\n", contents)
with open(os.path.join(base, "next-stream")) as stream:
contents = stream.read()
self.assertEqual("0\n", contents)
def test_initialise_non_empty_dir(self):
self.useFixture(FileRepositoryFixture(path=self.tempdir, initialise=False))
base = os.path.join(self.tempdir, ".stestr")
os.mkdir(base)
with open(os.path.join(base, "foo"), "wt") as stream:
stream.write("1\n")
factory = file.RepositoryFactory()
self.assertRaises(OSError, factory.initialise, self.tempdir)
# Skip if windows since ~ in a path doesn't work there
@testtools.skipIf(os.name == "nt", "Windows doesn't support '~' expand")
def test_initialise_expands_user_directory(self):
short_path = self.useFixture(HomeDirTempDir()).short_path
repo = file.RepositoryFactory().initialise(short_path)
self.assertTrue(os.path.exists(repo.base))
def test_inserter_output_path(self):
repo = self.useFixture(FileRepositoryFixture()).repo
inserter = repo.get_inserter()
inserter.startTestRun()
inserter.stopTestRun()
self.assertTrue(os.path.exists(os.path.join(repo.base, "0")))
def test_inserting_creates_id(self):
# When inserting a stream, an id is returned from stopTestRun.
repo = self.useFixture(FileRepositoryFixture()).repo
result = repo.get_inserter()
result.startTestRun()
result.stopTestRun()
self.assertEqual(0, result.get_id())
# Skip if windows since ~ in a path doesn't work there
@testtools.skipIf(os.name == "nt", "Windows doesn't support '~' expand")
def test_open_expands_user_directory(self):
short_path = self.useFixture(HomeDirTempDir()).short_path
repo1 = file.RepositoryFactory().initialise(short_path)
repo2 = file.RepositoryFactory().open(short_path)
self.assertEqual(repo1.base, repo2.base)
def test_next_stream_corruption_error(self):
repo = self.useFixture(FileRepositoryFixture()).repo
open(os.path.join(repo.base, "next-stream"), "wb").close()
self.assertThat(
repo.count,
matchers.Raises(
matchers.MatchesException(ValueError("Corrupt next-stream file: ''"))
),
)
# Skip if windows since chmod doesn't work there
@testtools.skipIf(os.name == "nt", "Windows doesn't support chmod")
def test_get_test_run_unexpected_ioerror_errno(self):
repo = self.useFixture(FileRepositoryFixture()).repo
inserter = repo.get_inserter()
inserter.startTestRun()
inserter.stopTestRun()
self.assertTrue(os.path.isfile(os.path.join(repo.base, "0")))
os.chmod(os.path.join(repo.base, "0"), 0000)
self.assertRaises(IOError, repo.get_test_run, "0")
def test_get_metadata(self):
repo = self.useFixture(FileRepositoryFixture()).repo
result = repo.get_inserter(metadata="fun")
result.startTestRun()
result.stopTestRun()
run = repo.get_test_run(result.get_id())
self.assertEqual(b"fun", run.get_metadata())
def test_find_metadata(self):
repo = self.useFixture(FileRepositoryFixture()).repo
result = repo.get_inserter(metadata="fun")
result.startTestRun()
result.stopTestRun()
result_bad = repo.get_inserter(metadata="not_fun")
result_bad.startTestRun()
result_bad.stopTestRun()
run_ids = repo.find_metadata(b"fun")
run_ids_int = [int(x) for x in run_ids]
self.assertIn(result.get_id(), run_ids_int)
self.assertNotIn(result_bad.get_id(), run_ids_int)
def test_get_run_ids(self):
repo = self.useFixture(FileRepositoryFixture()).repo
result = repo.get_inserter(metadata="fun")
result.startTestRun()
result.stopTestRun()
result_bad = repo.get_inserter(metadata="not_fun")
result_bad.startTestRun()
result_bad.stopTestRun()
run_ids = repo.get_run_ids()
self.assertEqual(["0", "1"], run_ids)
def test_get_run_ids_empty(self):
repo = self.useFixture(FileRepositoryFixture()).repo
run_ids = repo.get_run_ids()
self.assertEqual([], run_ids)
def test_get_run_ids_with_hole(self):
repo = self.useFixture(FileRepositoryFixture()).repo
result = repo.get_inserter()
result.startTestRun()
result.stopTestRun()
result = repo.get_inserter()
result.startTestRun()
result.stopTestRun()
result = repo.get_inserter()
result.startTestRun()
result.stopTestRun()
repo.remove_run_id("1")
self.assertEqual(["0", "2"], repo.get_run_ids())
def test_remove_ids(self):
repo = self.useFixture(FileRepositoryFixture()).repo
result = repo.get_inserter()
result.startTestRun()
result.stopTestRun()
repo.remove_run_id("0")
self.assertEqual([], repo.get_run_ids())
def test_remove_ids_id_not_in_repo(self):
repo = self.useFixture(FileRepositoryFixture()).repo
result = repo.get_inserter()
result.startTestRun()
result.stopTestRun()
self.assertRaises(KeyError, repo.remove_run_id, "3")
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