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# This file is part of dh-cmake, and is distributed under the OSI-approved
# BSD 3-Clause license. See top-level LICENSE file or
# https://gitlab.kitware.com/debian/dh-cmake/blob/master/LICENSE for details.
import errno
import os.path
import shutil
import subprocess
import sys
import tempfile
from unittest import TestCase
import dhcmake.common
import dhcmake.arch
class VolatileNamedTemporaryFile:
def __init__(self, *args, **kwargs):
self.ntf = tempfile.NamedTemporaryFile(*args, **kwargs)
def close(self):
try:
self.ntf.close()
except OSError as e:
if e.errno != errno.ENOENT:
raise
@property
def name(self):
return self.ntf.name
def __enter__(self):
return self
def __exit__(self, exc_type, exc_value, traceback):
self.close()
class KWTestCaseBase(TestCase):
@classmethod
def setUpClass(cls):
cls.dh_verbose = os.environ.get("DH_VERBOSE", "") == "1"
cls.stdout = sys.stdout
cls.stderr = sys.stderr
if not cls.dh_verbose:
cls.stdout = open(os.devnull, "w")
cls.stderr = open(os.devnull, "w")
@classmethod
def tearDownClass(cls):
if not cls.dh_verbose:
cls.stdout.close()
cls.stderr.close()
def assertFileExists(self, path):
self.assertTrue(os.path.exists(
path), "File '{0}' does not exist".format(path))
def assertFileNotExists(self, path):
self.assertFalse(os.path.exists(
path), "File '{0}' exists".format(path))
def assertFileContentsEqual(self, expected_contents, path):
with open(path) as f:
self.assertEqual(expected_contents, f.read())
def assertFileTreeEqual(self, expected_files, path):
actual_files = set()
for dirpath, dirnames, filenames in os.walk(path):
rel = os.path.relpath(dirpath, path)
if rel == ".":
actual_files.update(dirnames)
actual_files.update(filenames)
else:
actual_files.update(os.path.join(rel, p) for p in dirnames)
actual_files.update(os.path.join(rel, p) for p in filenames)
self.assertEqual(expected_files, actual_files)
def assertVolatileFileNotExists(self, name):
try:
self.assertFileNotExists(name)
except AssertionError:
os.unlink(name)
raise
@classmethod
def replace_arch_in_paths(cls, paths):
return (p.format(arch=dhcmake.arch
.dpkg_architecture()["DEB_HOST_MULTIARCH"])
for p in paths)
def get_single_element(self, l):
self.assertEqual(1, len(l))
return l[0]
@classmethod
def run_cmd(cls, args, cwd=None, env=None):
subprocess.run(args, cwd=cwd, env=env, check=True,
stdout=cls.stdout, stderr=cls.stderr)
class DebianSourcePackageTestCaseBase(KWTestCaseBase):
@classmethod
def push_path(cls, name, value):
try:
old = os.environ[name]
except KeyError:
old = None
if old is None:
os.environ[name] = value
else:
os.environ[name] = value + ":" + old
return old
@classmethod
def pop_path(cls, name, value):
if value is None:
del os.environ[name]
else:
os.environ[name] = value
@classmethod
def setUpClass(cls):
super().setUpClass()
test_dir = os.path.dirname(os.path.abspath(__file__))
root_dir = os.path.dirname(os.path.dirname(test_dir))
cls.install_dir = tempfile.TemporaryDirectory()
cls.run_cmd([os.path.join(root_dir, "setup.py"), "install_scripts",
"--install-dir=" + os.path.join(cls.install_dir.name, "bin")])
cls.run_cmd([os.path.join(root_dir, "setup.py"), "install_data",
"--install-dir=" + cls.install_dir.name])
cls.old_path = cls.push_path(
"PATH", os.path.join(cls.install_dir.name, "bin"))
cls.old_perl5lib = cls.push_path(
"PERL5LIB", os.path.join(cls.install_dir.name, "share/perl5"))
cls.old_pythonpath = cls.push_path("PYTHONPATH", root_dir)
@classmethod
def tearDownClass(cls):
cls.pop_path("PYTHONPATH", cls.old_pythonpath)
cls.pop_path("PERL5LIB", cls.old_perl5lib)
cls.pop_path("PATH", cls.old_path)
cls.install_dir.cleanup()
super().tearDownClass()
def setUp(self):
self.dh = self.DHClass()
self.dh.stdout = self.stdout
self.dh.stderr = self.stderr
test_dir = os.path.dirname(os.path.abspath(__file__))
test_data_dir = os.path.join(test_dir, "data")
debian_pkg_dir = os.path.join(test_data_dir, "debian_pkg")
self.tmp_dir = tempfile.TemporaryDirectory()
self.src_dir = os.path.join(self.tmp_dir.name, "src")
shutil.copytree(debian_pkg_dir, self.src_dir)
self.old_cwd = os.getcwd()
os.chdir(self.src_dir)
def tearDown(self):
os.chdir(self.old_cwd)
self.tmp_dir.cleanup()
def make_directory_in_tmp(self, name):
path = os.path.join(self.tmp_dir.name, name)
os.makedirs(path)
return path
def run_debian_rules(self, rule, case=None):
env = os.environ.copy()
if case:
env["DH_CMAKE_CASE"] = case
self.run_cmd(["debian/rules", rule], env=env)
class VolatileNamedTemporaryFileTestCase(KWTestCaseBase):
def test_normal_delete(self):
with VolatileNamedTemporaryFile() as f:
pass
self.assertVolatileFileNotExists(f.name)
def test_already_deleted(self):
with VolatileNamedTemporaryFile() as f:
os.unlink(f.name)
self.assertVolatileFileNotExists(f.name)
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