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import sys
import unittest
from typing import Set
from osc.util.models import *
from osc.util.models import get_origin
class TestTyping(unittest.TestCase):
def test_get_origin_list(self):
typ = get_origin(list)
self.assertEqual(typ, None)
def test_get_origin_list_str(self):
typ = get_origin(List[str])
self.assertEqual(typ, list)
class TestNotSet(unittest.TestCase):
def test_repr(self):
self.assertEqual(repr(NotSet), "NotSet")
def test_bool(self):
self.assertEqual(bool(NotSet), False)
class Test(unittest.TestCase):
@unittest.skipIf(sys.version_info[:2] < (3, 10), "added in python 3.10")
def test_union_or(self):
class TestModel(BaseModel):
text: str | None = Field()
m = TestModel()
self.assertEqual(m.dict(), {"text": None})
self.assertRaises(TypeError, setattr, m.text, 123)
def test_dict(self):
class TestSubmodel(BaseModel):
text: str = Field(default="default")
class TestModel(BaseModel):
a: str = Field(default="default")
b: Optional[str] = Field(default=None)
sub: Optional[List[TestSubmodel]] = Field(default=None)
m = TestModel()
self.assertEqual(m.dict(), {"a": "default", "b": None, "sub": None})
m.b = "B"
m.sub = [{"text": "one"}, {"text": "two"}]
self.assertEqual(m.dict(), {"a": "default", "b": "B", "sub": [{"text": "one"}, {"text": "two"}]})
def test_unknown_fields(self):
class TestModel(BaseModel):
pass
self.assertRaises(TypeError, TestModel, does_not_exist=None)
def test_uninitialized(self):
class TestModel(BaseModel):
field: str = Field()
self.assertRaises(TypeError, TestModel)
def test_invalid_type(self):
class TestModel(BaseModel):
field: Optional[str] = Field()
m = TestModel()
self.assertRaises(TypeError, setattr, m.field, [])
def test_unsupported_type(self):
class TestModel(BaseModel):
field: Set[str] = Field(default=None)
self.assertRaises(TypeError, TestModel)
def test_lazy_default(self):
class TestModel(BaseModel):
field: List[str] = Field(default=lambda: ["string"])
m = TestModel()
self.assertEqual(m.field, ["string"])
def test_lazy_default_invalid_type(self):
class TestModel(BaseModel):
field: List[str] = Field(default=lambda: None)
self.assertRaises(TypeError, TestModel)
def test_is_set(self):
class TestModel(BaseModel):
field: Optional[str] = Field()
m = TestModel()
self.assertNotIn("field", m._values)
self.assertEqual(m.field, None)
m.field = "text"
self.assertIn("field", m._values)
self.assertEqual(m.field, "text")
def test_str(self):
class TestModel(BaseModel):
field: str = Field(default="default")
m = TestModel()
field = m.__fields__["field"]
self.assertEqual(field.is_model, False)
self.assertEqual(field.is_optional, False)
self.assertEqual(field.origin_type, str)
self.assertEqual(m.field, "default")
m.field = "text"
self.assertEqual(m.field, "text")
def test_optional_str(self):
class TestModel(BaseModel):
field: Optional[str] = Field()
m = TestModel()
field = m.__fields__["field"]
self.assertEqual(field.is_model, False)
self.assertEqual(field.is_optional, True)
self.assertEqual(field.origin_type, str)
self.assertEqual(m.field, None)
m.field = "text"
self.assertEqual(m.field, "text")
def test_int(self):
class TestModel(BaseModel):
field: int = Field(default=0)
m = TestModel()
field = m.__fields__["field"]
self.assertEqual(field.is_model, False)
self.assertEqual(field.is_optional, False)
self.assertEqual(field.origin_type, int)
self.assertEqual(m.field, 0)
m.field = 1
self.assertEqual(m.field, 1)
def test_optional_int(self):
class TestModel(BaseModel):
field: Optional[int] = Field()
m = TestModel()
field = m.__fields__["field"]
self.assertEqual(field.is_model, False)
self.assertEqual(field.is_optional, True)
self.assertEqual(field.origin_type, int)
self.assertEqual(m.field, None)
m.field = 1
self.assertEqual(m.field, 1)
def test_submodel(self):
class TestSubmodel(BaseModel):
text: str = Field(default="default")
class TestModel(BaseModel):
field: TestSubmodel = Field(default={})
m = TestModel()
field = m.__fields__["field"]
self.assertEqual(field.is_model, True)
self.assertEqual(field.is_optional, False)
self.assertEqual(field.origin_type, TestSubmodel)
m = TestModel(field=TestSubmodel())
self.assertEqual(m.field.text, "default")
m = TestModel(field={"text": "text"})
self.assertEqual(m.field.text, "text")
def test_optional_submodel(self):
class TestSubmodel(BaseModel):
text: str = Field(default="default")
class TestModel(BaseModel):
field: Optional[TestSubmodel] = Field(default=None)
m = TestModel()
field = m.__fields__["field"]
self.assertEqual(field.is_model, True)
self.assertEqual(field.is_optional, True)
self.assertEqual(field.origin_type, TestSubmodel)
self.assertEqual(m.field, None)
m.dict()
m = TestModel(field=TestSubmodel())
self.assertIsInstance(m.field, TestSubmodel)
self.assertEqual(m.field.text, "default")
m.dict()
m = TestModel(field={"text": "text"})
self.assertNotEqual(m.field, None)
self.assertEqual(m.field.text, "text")
m.dict()
def test_list_submodels(self):
class TestSubmodel(BaseModel):
text: str = Field(default="default")
class TestModel(BaseModel):
field: List[TestSubmodel] = Field(default=[])
m = TestModel()
field = m.__fields__["field"]
self.assertEqual(field.is_model, False)
self.assertEqual(field.is_model_list, True)
self.assertEqual(field.is_optional, False)
self.assertEqual(field.origin_type, list)
m.dict()
m = TestModel(field=[TestSubmodel()])
self.assertEqual(m.field[0].text, "default")
m.dict()
m = TestModel(field=[{"text": "text"}])
self.assertEqual(m.field[0].text, "text")
m.dict()
self.assertRaises(TypeError, getattr(m, "field"))
def test_optional_list_submodels(self):
class TestSubmodel(BaseModel):
text: str = Field(default="default")
class TestModel(BaseModel):
field: Optional[List[TestSubmodel]] = Field(default=[])
m = TestModel()
field = m.__fields__["field"]
self.assertEqual(field.is_model, False)
self.assertEqual(field.is_model_list, True)
self.assertEqual(field.is_optional, True)
self.assertEqual(field.origin_type, list)
m.dict()
m = TestModel(field=[TestSubmodel()])
self.assertEqual(m.field[0].text, "default")
m.dict()
m = TestModel(field=[{"text": "text"}])
self.assertEqual(m.field[0].text, "text")
m.dict()
m.field = None
self.assertEqual(m.field, None)
m.dict()
def test_enum(self):
class Numbers(Enum):
one = "one"
two = "two"
class TestModel(BaseModel):
field: Optional[Numbers] = Field(default=None)
m = TestModel()
field = m.__fields__["field"]
self.assertEqual(field.is_model, False)
self.assertEqual(field.is_optional, True)
self.assertEqual(field.origin_type, Numbers)
self.assertEqual(m.field, None)
m.field = "one"
self.assertEqual(m.field, "one")
self.assertRaises(ValueError, setattr, m, "field", "does-not-exist")
def test_parent(self):
class ParentModel(BaseModel):
field: str = Field(default="text")
class ChildModel(BaseModel):
field: str = Field(default=FromParent("field"))
field2: str = Field(default=FromParent("field"))
p = ParentModel()
c = ChildModel(_parent=p)
self.assertEqual(p.field, "text")
self.assertEqual(c.field, "text")
self.assertEqual(c.field2, "text")
c.field = "new-text"
self.assertEqual(p.field, "text")
self.assertEqual(c.field, "new-text")
self.assertEqual(c.field2, "text")
def test_parent_fallback(self):
class SubModel(BaseModel):
field: str = Field(default=FromParent("field", fallback="submodel-fallback"))
class Model(BaseModel):
field: str = Field(default=FromParent("field", fallback="model-fallback"))
sub: Optional[SubModel] = Field()
sub_list: Optional[List[SubModel]] = Field()
m = Model()
s = SubModel(_parent=m)
m.sub = s
self.assertEqual(m.field, "model-fallback")
self.assertEqual(m.sub.field, "model-fallback")
m = Model(sub={})
self.assertEqual(m.field, "model-fallback")
self.assertEqual(m.sub.field, "model-fallback")
m = Model(sub=SubModel())
self.assertEqual(m.field, "model-fallback")
self.assertEqual(m.sub.field, "model-fallback")
m = Model()
s = SubModel(_parent=m)
m.sub_list = [s]
self.assertEqual(m.field, "model-fallback")
self.assertEqual(m.sub_list[0].field, "model-fallback")
m = Model(sub_list=[{}])
self.assertEqual(m.field, "model-fallback")
self.assertEqual(m.sub_list[0].field, "model-fallback")
m = Model(sub_list=[SubModel()])
self.assertEqual(m.field, "model-fallback")
self.assertEqual(m.sub_list[0].field, "model-fallback")
m = Model()
m.sub_list = []
m.sub_list.append({})
self.assertEqual(m.field, "model-fallback")
self.assertEqual(m.sub_list[0].field, "model-fallback")
def test_get_callback(self):
class Model(BaseModel):
quiet: bool = Field(
default=False,
)
verbose: bool = Field(
default=False,
# return False if ``quiet`` is True; return the actual value otherwise
get_callback=lambda obj, value: False if obj.quiet else value,
)
m = Model()
self.assertEqual(m.quiet, False)
self.assertEqual(m.verbose, False)
m.quiet = True
m.verbose = True
self.assertEqual(m.quiet, True)
self.assertEqual(m.verbose, False)
m.quiet = False
m.verbose = True
self.assertEqual(m.quiet, False)
self.assertEqual(m.verbose, True)
def test_has_changed(self):
class TestSubmodel(BaseModel):
text: str = Field(default="default")
class TestModel(BaseModel):
field: Optional[List[TestSubmodel]] = Field(default=[])
m = TestModel()
self.assertFalse(m.has_changed())
# a new instance of empty list
m.field = []
self.assertFalse(m.has_changed())
m.field = [{"text": "one"}, {"text": "two"}]
self.assertTrue(m.has_changed())
m.do_snapshot()
# a new instance of list with new instances of objects with the same data
m.field = [{"text": "one"}, {"text": "two"}]
self.assertFalse(m.has_changed())
def test_append_dict(self):
class TestSubmodel(BaseModel):
text: str = Field(default="default")
class TestModel(BaseModel):
field: Optional[List[TestSubmodel]] = Field(default=[])
m = TestModel()
m.field.append({"text": "value"})
# dict is converted to object next time the field is retrieved
self.assertIsInstance(m.field[0], BaseModel)
self.assertEqual(m.field[0].text, "value")
def test_ordering(self):
class TestSubmodel(BaseModel):
txt: Optional[str] = Field()
class TestModel(BaseModel):
num: Optional[int] = Field()
txt: Optional[str] = Field()
sub: Optional[TestSubmodel] = Field()
dct: Optional[Dict[str, TestSubmodel]] = Field()
m1 = TestModel()
m2 = TestModel()
self.assertEqual(m1, m2)
m1 = TestModel(num=1)
m2 = TestModel(num=2)
self.assertNotEqual(m1, m2)
self.assertLess(m1, m2)
self.assertGreater(m2, m1)
m1 = TestModel(txt="a")
m2 = TestModel(txt="b")
self.assertNotEqual(m1, m2)
self.assertLess(m1, m2)
self.assertGreater(m2, m1)
m1 = TestModel(sub={})
m2 = TestModel(sub={})
self.assertEqual(m1, m2)
m1 = TestModel(sub={"txt": "a"})
m2 = TestModel(sub={"txt": "b"})
self.assertNotEqual(m1, m2)
self.assertLess(m1, m2)
self.assertGreater(m2, m1)
m1 = TestModel(dct={})
m2 = TestModel(dct={})
self.assertEqual(m1, m2)
m1 = TestModel(dct={"a": TestSubmodel()})
m2 = TestModel(dct={"b": TestSubmodel()})
self.assertNotEqual(m1, m2)
self.assertLess(m1, m2)
self.assertGreater(m2, m1)
# dict ordering doesn't matter
m1 = TestModel(dct={"a": TestSubmodel(), "b": TestSubmodel()})
m2 = TestModel(dct={"b": TestSubmodel(), "a": TestSubmodel()})
self.assertEqual(m1, m2)
if __name__ == "__main__":
unittest.main()
|
