def test_should_give_priority_to_explicit_properties_rather_than_os_env_variables(self):
# when
os.environ['bf_bb'] = 'x'
config = Config('dev', {'bb': 1})
# then
self.assertEqual(config.resolve('dev'), {'bb': 1})
self.assertEqual(config.resolve(), {'bb': 1})
self.assertEqual(config.resolve_property('bb', 'dev'), 1)
self.assertEqual(config.resolve_property('bb'), 1)
def test_should_smartly_resolve_properties_with_placeholders(self):
# when
config = Config('dev', {
'project_id': 'dev_project',
'topic': 'topic/{project_id}/my_topic}'
}) \
.add_configuration('prod',
{
'project_id': 'prod_project',
})
# then
self.assertEqual(config.resolve_property('topic', 'dev'), 'topic/dev_project/my_topic}')
self.assertEqual(config.resolve_property('topic', 'prod'), 'topic/prod_project/my_topic}')
def test_should_resolve_env_variables_laizyly_when_calling_resolve_property(self):
# when
config = Config('dev', {'a': 'dev1'})
#then
self.assertEqual(config.resolve(), {'a': 'dev1'})
self.assertEqual(config.resolve_property('a'), 'dev1')
self.assertEqual(config.resolve_property('a', 'dev'), 'dev1')
with self.assertRaises(ValueError):
config.resolve_property('b')
# when
os.environ['bf_b'] = 'b_from_env'
# then
self.assertEqual(config.resolve(), {'a': 'dev1'})
self.assertEqual(config.resolve_property('b'), 'b_from_env')
self.assertEqual(config.resolve_property('b', 'dev'), 'b_from_env')
with self.assertRaises(ValueError):
config.resolve_property('c')