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import unittest
from mopidy.models import ImmutableObject
class Model(ImmutableObject):
uri = None
name = None
models = frozenset()
def __init__(self, *args, **kwargs):
self.__dict__["models"] = frozenset(kwargs.pop("models", None) or [])
super().__init__(self, *args, **kwargs)
class SubModel(ImmutableObject):
uri = None
name = None
class GenericCopyTest(unittest.TestCase):
def compare(self, orig, other):
assert orig == other
assert id(orig) != id(other)
def test_copying_model(self):
model = Model()
self.compare(model, model.replace())
def test_copying_model_with_basic_values(self):
model = Model(name="foo", uri="bar")
other = model.replace(name="baz")
assert "baz" == other.name
assert "bar" == other.uri
def test_copying_model_with_missing_values(self):
model = Model(uri="bar")
other = model.replace(name="baz")
assert "baz" == other.name
assert "bar" == other.uri
def test_copying_model_with_private_internal_value(self):
model = Model(models=[SubModel(name=123)])
other = model.replace(models=[SubModel(name=345)])
assert SubModel(name=345) in other.models
def test_copying_model_with_invalid_key(self):
with self.assertRaises(TypeError):
Model().replace(invalid_key=True)
def test_copying_model_to_remove(self):
model = Model(name="foo").replace(name=None)
assert model == Model()
class ModelTest(unittest.TestCase):
def test_uri(self):
uri = "an_uri"
model = Model(uri=uri)
assert model.uri == uri
with self.assertRaises(AttributeError):
model.uri = None
def test_name(self):
name = "a name"
model = Model(name=name)
assert model.name == name
with self.assertRaises(AttributeError):
model.name = None
def test_submodels(self):
models = [SubModel(name=123), SubModel(name=456)]
model = Model(models=models)
assert set(model.models) == set(models)
with self.assertRaises(AttributeError):
model.models = None
def test_models_none(self):
assert set() == Model(models=None).models
def test_invalid_kwarg(self):
with self.assertRaises(TypeError):
Model(foo="baz")
def test_repr_without_models(self):
assert "Model(name='name', uri='uri')" == repr(
Model(uri="uri", name="name")
)
def test_repr_with_models(self):
assert (
"Model(models=[SubModel(name=123)], name='name', uri='uri')"
== repr(Model(uri="uri", name="name", models=[SubModel(name=123)]))
)
def test_serialize_without_models(self):
self.assertDictEqual(
{"__model__": "Model", "uri": "uri", "name": "name"},
Model(uri="uri", name="name").serialize(),
)
def test_serialize_with_models(self):
submodel = SubModel(name=123)
self.assertDictEqual(
{
"__model__": "Model",
"uri": "uri",
"name": "name",
"models": [submodel.serialize()],
},
Model(uri="uri", name="name", models=[submodel]).serialize(),
)
def test_eq_uri(self):
model1 = Model(uri="uri1")
model2 = Model(uri="uri1")
assert model1 == model2
assert hash(model1) == hash(model2)
def test_eq_name(self):
model1 = Model(name="name1")
model2 = Model(name="name1")
assert model1 == model2
assert hash(model1) == hash(model2)
def test_eq_models(self):
models = [SubModel()]
model1 = Model(models=models)
model2 = Model(models=models)
assert model1 == model2
assert hash(model1) == hash(model2)
def test_eq_models_order(self):
submodel1 = SubModel(name="name1")
submodel2 = SubModel(name="name2")
model1 = Model(models=[submodel1, submodel2])
model2 = Model(models=[submodel2, submodel1])
assert model1 == model2
assert hash(model1) == hash(model2)
def test_eq_none(self):
assert Model() is not None
def test_eq_other(self):
assert Model() != "other"
def test_ne_uri(self):
model1 = Model(uri="uri1")
model2 = Model(uri="uri2")
assert model1 != model2
assert hash(model1) != hash(model2)
def test_ne_name(self):
model1 = Model(name="name1")
model2 = Model(name="name2")
assert model1 != model2
assert hash(model1) != hash(model2)
def test_ne_models(self):
model1 = Model(models=[SubModel(name="name1")])
model2 = Model(models=[SubModel(name="name2")])
assert model1 != model2
assert hash(model1) != hash(model2)
def test_ignores_values_with_default_value_none(self):
model1 = Model(name="name1")
model2 = Model(name="name1", uri=None)
assert model1 == model2
assert hash(model1) == hash(model2)
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