cic-internal-integration/apps/util/liveness/tests/test_imports.py

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# standard imports
import os
import unittest
import logging
import tempfile
import socket
# local imports
import liveness.linux
## test imports
import tests.imports
logging.basicConfig(level=logging.DEBUG)
logg = logging.getLogger()
script_dir = os.path.realpath(os.path.dirname(__file__))
data_dir = os.path.join(script_dir, 'testdata')
run_base_dir = os.path.join(data_dir, 'run')
class TestImports(unittest.TestCase):
def setUp(self):
os.makedirs(run_base_dir, exist_ok=True)
self.run_dir = tempfile.mkdtemp(dir=run_base_dir)
self.unit = 'unittest'
self.unit_dir = os.path.join(self.run_dir, self.unit)
self.pid_path = os.path.join(self.unit_dir, 'pid')
self.error_path = os.path.join(self.unit_dir, 'error')
self.host_path = os.path.join(self.run_dir, socket.gethostname())
def test_no_import(self):
liveness.linux.load([], namespace=self.unit, rundir=self.run_dir)
f = open(self.pid_path, 'r')
r = f.read()
f.close()
self.assertEqual(str(os.getpid()), r)
def test_hostname(self):
liveness.linux.load([], rundir=self.run_dir)
f = open(os.path.join(self.host_path, 'pid'), 'r')
r = f.read()
f.close()
self.assertEqual(str(os.getpid()), r)
def test_import_single_true(self):
checks = ['tests.imports.import_true']
liveness.linux.load(checks, namespace=self.unit, rundir=self.run_dir)
f = open(self.pid_path, 'r')
r = f.read()
f.close()
self.assertEqual(str(os.getpid()), r)
def test_import_single_false(self):
checks = ['tests.imports.import_false']
with self.assertRaises(RuntimeError):
liveness.linux.load(checks, namespace=self.unit, rundir=self.run_dir)
with self.assertRaises(FileNotFoundError):
os.stat(self.pid_path)
def test_import_false_then_true(self):
checks = ['tests.imports.import_false', 'tests.imports.import_true']
with self.assertRaises(RuntimeError):
liveness.linux.load(checks, namespace=self.unit, rundir=self.run_dir)
with self.assertRaises(FileNotFoundError):
os.stat(self.pid_path)
def test_import_multiple_true(self):
checks = ['tests.imports.import_true', 'tests.imports.import_true']
liveness.linux.load(checks, namespace=self.unit, rundir=self.run_dir)
f = open(self.pid_path, 'r')
r = f.read()
f.close()
self.assertEqual(str(os.getpid()), r)
def test_set(self):
liveness.linux.load([], namespace='unittest', rundir=self.run_dir)
liveness.linux.set(namespace='unittest', rundir=self.run_dir)
f = open(self.error_path, 'r')
r = f.read()
f.close()
self.assertEqual('0', r)
liveness.linux.set(error=42, namespace='unittest', rundir=self.run_dir)
f = open(self.error_path, 'r')
r = f.read()
f.close()
self.assertEqual('42', r)
liveness.linux.reset(namespace='unittest', rundir=self.run_dir)
with self.assertRaises(FileNotFoundError):
os.stat(self.error_path)
def test_set_hostname(self):
liveness.linux.load([], rundir=self.run_dir)
liveness.linux.set(rundir=self.run_dir)
error_path = os.path.join(self.host_path, 'error')
f = open(error_path, 'r')
r = f.read()
f.close()
self.assertEqual('0', r)
liveness.linux.reset(rundir=self.run_dir)
with self.assertRaises(FileNotFoundError):
os.stat(error_path)
def test_args(self):
checks = ['tests.imports.import_args']
aargs=['foo']
kwaargs={'bar': 42}
liveness.linux.load(checks, self.unit, self.run_dir, *aargs, **kwaargs)
f = open(self.pid_path, 'r')
r = f.read()
f.close()
self.assertEqual(str(os.getpid()), r)
if __name__ == '__main__':
unittest.main()