def test_lazy_initializer(self):
lazy_evaluator = TestLazyEvaluator()
builder = ConfigurationBindingsBuilder()
builder.add_lazy_initializer('lazy', lazy_evaluator)
builder.add_lazy_initializer('implied', lazy_evaluator)
builder.add_lazy_initializer('overriden', lazy_evaluator)
builder.add_lazy_initializer('has_default', lazy_evaluator)
builder.set_default('has_default', 'default')
bindings = builder.build()
self.assertEqual(2, bindings['lazy'])
self.assertEqual(1, bindings['IMPLIED']) # already initialized
bindings['overriden'] = 'Hello'
self.assertEquals('Hello', bindings['overriden'])
# Default is lower precedence than lazy initializer
self.assertEquals(3, bindings['has_default'])
with self.assertRaises(KeyError):
self.assertIsNotNone(bindings['missing'])
self.assertEquals([(bindings, 'implied'),
(bindings, 'lazy'),
(bindings, 'has_default')],
lazy_evaluator.called_with_bk)
def test_lazy_initializer(self):
lazy_evaluator = TestLazyEvaluator()
builder = ConfigurationBindingsBuilder()
builder.add_lazy_initializer('lazy', lazy_evaluator)
builder.add_lazy_initializer('implied', lazy_evaluator)
builder.add_lazy_initializer('overriden', lazy_evaluator)
builder.add_lazy_initializer('has_default', lazy_evaluator)
builder.set_default('has_default', 'default')
bindings = builder.build()
self.assertEqual(2, bindings['lazy'])
self.assertEqual(1, bindings['IMPLIED']) # already initialized
bindings['overriden'] = 'Hello'
self.assertEquals('Hello', bindings['overriden'])
# Default is lower precedence than lazy initializer
self.assertEquals(3, bindings['has_default'])
with self.assertRaises(KeyError):
self.assertIsNotNone(bindings['missing'])
self.assertEquals([(bindings, 'implied'),
(bindings, 'lazy'),
(bindings, 'has_default')],
lazy_evaluator.called_with_bk)
def test_override_default(self):
builder = ConfigurationBindingsBuilder()
builder.set_default('test', 'MyPreDefault')
builder.set_override('test', 'MyOverride')
builder.set_default('test', 'MyPostDefault')
bindings = builder.build()
self.assertEquals('MyOverride', bindings.get('test'))
def test_override_default(self):
builder = ConfigurationBindingsBuilder()
builder.set_default('test', 'MyPreDefault')
builder.set_override('test', 'MyOverride')
builder.set_default('test', 'MyPostDefault')
bindings = builder.build()
self.assertEquals('MyOverride', bindings.get('test'))
def test_from_file_for_class_with_defaults(self):
builder = ConfigurationBindingsBuilder()
builder.add_configs_for_class(ConfigurationBindingsTest)
builder.set_default('missing', 'MISSING')
builder.set_default('config_location', 'IGNORE')
bindings = builder.build()
self.assertEquals('MISSING', bindings.get('missing'))
self.assertEquals('tests/base/ConfigurationBindingsTest',
bindings.get('config_location'))
def test_from_file_for_class_with_defaults(self):
builder = ConfigurationBindingsBuilder()
builder.add_configs_for_class(ConfigurationBindingsTest)
builder.set_default('missing', 'MISSING')
builder.set_default('config_location', 'IGNORE')
bindings = builder.build()
self.assertEquals('MISSING', bindings.get('missing'))
self.assertEquals('tests/base/ConfigurationBindingsTest',
bindings.get('config_location'))
def test_environ_builder_value(self):
builder = ConfigurationBindingsBuilder()
builder.add_config_file(os.path.join(os.path.dirname(__file__),
'bindings_test.config'))
builder.set_default('up', '$TEST_UP')
builder.set_override('down', '$TEST_DOWN')
bindings = builder.build()
os.environ['TEST_UP'] = '123'
os.environ['TEST_DOWN'] = '321'
self.assertEquals(os.environ.get('HOME'), bindings.get('test_home'))
self.assertEquals('123', bindings.get('up'))
self.assertEquals('321', bindings.get('down'))
def test_environ_builder_value(self):
builder = ConfigurationBindingsBuilder()
builder.add_config_file(
os.path.join(os.path.dirname(__file__), 'bindings_test.config'))
builder.set_default('up', '$TEST_UP')
builder.set_override('down', '$TEST_DOWN')
bindings = builder.build()
os.environ['TEST_UP'] = '123'
os.environ['TEST_DOWN'] = '321'
self.assertEquals(os.environ.get('HOME'), bindings.get('test_home'))
self.assertEquals('123', bindings.get('up'))
self.assertEquals('321', bindings.get('down'))
def test_contains(self):
lazy_evaluator = TestLazyEvaluator()
builder = ConfigurationBindingsBuilder()
builder.add_lazy_initializer('lazy', lazy_evaluator)
builder.add_lazy_initializer('shared', lazy_evaluator)
builder.add_configs_for_class(ConfigurationBindingsTest)
builder.set_override('shared', 'OverridenValue')
builder.set_override('overriden', 'OverridenValue')
builder.set_default('default', 'DefaultValue')
bindings = builder.build()
self.assertTrue('lazy' in bindings)
self.assertTrue('shared' in bindings)
self.assertTrue('overriden' in bindings)
self.assertTrue('default' in bindings)
self.assertTrue('DeFaUlT' in bindings)
self.assertTrue('read_configuration_bindings_test' in bindings)
self.assertTrue('tests_base_param' in bindings)
self.assertFalse('missing' in bindings)
self.assertEquals([], lazy_evaluator.called_with_bk)
self.assertFalse('implied' in bindings)
def test_contains(self):
lazy_evaluator = TestLazyEvaluator()
builder = ConfigurationBindingsBuilder()
builder.add_lazy_initializer('lazy', lazy_evaluator)
builder.add_lazy_initializer('shared', lazy_evaluator)
builder.add_configs_for_class(ConfigurationBindingsTest)
builder.set_override('shared', 'OverridenValue')
builder.set_override('overriden', 'OverridenValue')
builder.set_default('default', 'DefaultValue')
bindings = builder.build()
self.assertTrue('lazy' in bindings)
self.assertTrue('shared' in bindings)
self.assertTrue('overriden' in bindings)
self.assertTrue('default' in bindings)
self.assertTrue('DeFaUlT' in bindings)
self.assertTrue('read_configuration_bindings_test' in bindings)
self.assertTrue('tests_base_param' in bindings)
self.assertFalse('missing' in bindings)
self.assertEquals([], lazy_evaluator.called_with_bk)
self.assertFalse('implied' in bindings)
def test_just_default(self):
builder = ConfigurationBindingsBuilder()
builder.set_default('test', 'MyDefault')
bindings = builder.build()
self.assertEquals('MyDefault', bindings.get('test'))
def test_just_default(self):
builder = ConfigurationBindingsBuilder()
builder.set_default('test', 'MyDefault')
bindings = builder.build()
self.assertEquals('MyDefault', bindings.get('test'))