def test_get_field_descriptor(self):
class ConfigWithFallback(Config):
field = ConfigText("field")
cfg = ConfigWithFallback({"field": "foo"})
fallback = FieldFallback()
self.assertEqual(fallback.get_field_descriptor(cfg, "field"),
ConfigWithFallback.field)
self.assertRaises(ConfigError, fallback.get_field_descriptor, cfg,
"no_field")
def test_field_present(self):
class ConfigWithFallback(Config):
field = ConfigText("field")
field_empty = ConfigText("field_empty")
field_default = ConfigText("field_default", default="bar")
cfg = ConfigWithFallback({"field": "foo"})
fallback = FieldFallback()
self.assertEqual(fallback.field_present(cfg, "field"), True)
self.assertEqual(fallback.field_present(cfg, "field_empty"), False)
self.assertEqual(fallback.field_present(cfg, "field_default"), False)
def test_get_field_descriptor(self):
class ConfigWithFallback(Config):
field = ConfigText("field")
cfg = ConfigWithFallback({"field": "foo"})
fallback = FieldFallback()
self.assertEqual(
fallback.get_field_descriptor(cfg, "field"),
ConfigWithFallback.field)
self.assertRaises(
ConfigError, fallback.get_field_descriptor, cfg, "no_field")
def test_field_present(self):
class ConfigWithFallback(Config):
field = ConfigText("field")
field_empty = ConfigText("field_empty")
field_default = ConfigText("field_default", default="bar")
cfg = ConfigWithFallback({"field": "foo"})
fallback = FieldFallback()
self.assertEqual(fallback.field_present(cfg, "field"), True)
self.assertEqual(fallback.field_present(cfg, "field_empty"), False)
self.assertEqual(fallback.field_present(cfg, "field_default"), False)
def test_present(self):
class ConfigWithFallback(Config):
field = ConfigText("field")
field_empty = ConfigText("field_empty")
field_default = ConfigText("field_default", default="bar")
field_default_required = ConfigText("field_default", default="baz")
fallback = FieldFallback()
fallback.required_fields = ("field", "field_default_required")
self.assertEqual(fallback.present(ConfigWithFallback({})), False)
cfg = ConfigWithFallback({
"field": "foo",
"field_default_required": "bar",
})
self.assertEqual(fallback.present(cfg), True)
def test_present(self):
class ConfigWithFallback(Config):
field = ConfigText("field")
field_empty = ConfigText("field_empty")
field_default = ConfigText("field_default", default="bar")
field_default_required = ConfigText("field_default", default="baz")
fallback = FieldFallback()
fallback.required_fields = ("field", "field_default_required")
self.assertEqual(fallback.present(ConfigWithFallback({})), False)
cfg = ConfigWithFallback({
"field": "foo",
"field_default_required": "bar",
})
self.assertEqual(fallback.present(cfg), True)
def test_build_value_not_implemented(self):
fallback = FieldFallback()
self.assertRaises(NotImplementedError, fallback.build_value, None)
def test_present_not_implemented(self):
fallback = FieldFallback()
self.assertRaises(NotImplementedError, fallback.present, None)