def test_get_juju_info_empty_file(self):
"""
If L{get_juju_info} is called with a configuration pointing to
an empty file, it returns C{None}.
"""
self.log_helper.ignore_errors(ValueError)
self._create_tmp_juju_file("")
self.assertIs(None, get_juju_info(self.stub_config))
self.assertIn("Error attempting to read JSON", self.logfile.getvalue())
def test_get_juju_info(self):
"""
L{get_juju_info} parses JSON data from the juju_filename file.
"""
self._create_tmp_juju_file(SAMPLE_JUJU_INFO)
juju_info = get_juju_info(self.stub_config)
self.assertEqual(
{
u"environment-uuid": "DEAD-BEEF",
u"machine-id": "1",
u"private-address": "127.0.0.1",
u"api-addresses": ["10.0.3.1:17070"]
}, juju_info)
def test_get_juju_info_multiple_endpoints(self):
"""L{get_juju_info} turns space separated API addresses into a list."""
juju_multiple_endpoints = json.dumps({
"environment-uuid": "DEAD-BEEF",
"machine-id": "0",
"api-addresses": "10.0.3.1:17070 10.0.3.2:18080",
"private-address": "127.0.0.1"
})
self._create_tmp_juju_file(juju_multiple_endpoints)
juju_info = get_juju_info(self.stub_config)
self.assertEqual(
{
"environment-uuid": "DEAD-BEEF",
"machine-id": "0",
"api-addresses": ["10.0.3.1:17070", "10.0.3.2:18080"],
"private-address": "127.0.0.1"
}, juju_info)
def test_get_juju_info_no_json_file(self):
"""
If L{get_juju_info} is called with a configuration pointing to
a directory containing no json files, it returns None.
"""
self.assertIs(None, get_juju_info(self.stub_config))
def _get_juju_data(self):
"""Load Juju information."""
juju_info = get_juju_info(self._config)
if juju_info is None:
return None
self._juju_data = juju_info