charm-swift-proxy/unit_tests/test_swift_context.py

57 lines
1.8 KiB
Python

import mock
import os
import tempfile
import unittest
import uuid
with mock.patch('charmhelpers.core.hookenv.config'):
import lib.swift_context as swift_context
class SwiftContextTestCase(unittest.TestCase):
@mock.patch('lib.swift_context.config')
def test_get_swift_hash_file(self, mock_config):
expected = '##FILEHASH##'
with tempfile.NamedTemporaryFile() as tmpfile:
swift_context.SWIFT_HASH_FILE = tmpfile.name
tmpfile.write(expected)
tmpfile.seek(0)
os.fsync(tmpfile)
hash = swift_context.get_swift_hash()
self.assertFalse(mock_config.called)
self.assertEqual(expected, hash)
@mock.patch('lib.swift_context.config')
def test_get_swift_hash_config(self, mock_config):
expected = '##CFGHASH##'
mock_config.return_value = expected
tmpfile = tempfile.mktemp()
swift_context.SWIFT_HASH_FILE = tmpfile
hash = swift_context.get_swift_hash()
with open(tmpfile, 'r') as fd:
self.assertEqual(expected, fd.read())
self.assertTrue(mock_config.called)
self.assertEqual(expected, hash)
@mock.patch('lib.swift_context.service_name')
@mock.patch('lib.swift_context.config')
def test_get_swift_hash_env(self, mock_config, mock_service_name):
mock_config.return_value = None
mock_service_name.return_value = "testsvc"
tmpfile = tempfile.mktemp()
swift_context.SWIFT_HASH_FILE = tmpfile
with mock.patch('swift_context.os.environ.get') as mock_env_get:
mock_env_get.return_value = str(uuid.uuid4())
hash_ = swift_context.get_swift_hash()
mock_env_get.assert_called_with('JUJU_ENV_UUID')
with open(tmpfile, 'r') as fd:
self.assertEqual(hash_, fd.read())
self.assertTrue(mock_config.called)