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# typedload
# Copyright (C) 2019-2024 Salvo "LtWorf" Tomaselli
#
# typedload is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# author Salvo "LtWorf" Tomaselli <tiposchi@tiscali.it>
from typing import TypedDict
import unittest
import sys
from typedload import dataloader, load, dump, typechecks
class Person(TypedDict):
name: str
age: float
class A(TypedDict):
val: str
class B(TypedDict, total=False):
val: str
class C(A, total=False):
vel: int
class TestTypeddictLoad(unittest.TestCase):
def test_mixed_totality(self):
with self.assertRaises(TypeError):
load({}, C)
assert load({'val': 'a'}, C) == {'val': 'a'}
with self.assertRaises(ValueError):
load({'val': 'a', 'vel': 'q'}, C)
assert load({'val': 'a', 'vel': 1}, C) == {'val': 'a', 'vel': 1}
assert load({'val': 'a', 'vel': '1'}, C) == {'val': 'a', 'vel': 1}
assert load({'val': 'a','vil': 2}, C) == {'val': 'a'}
with self.assertRaises(TypeError):
load({'val': 'a','vil': 2}, C, failonextra=True)
def test_totality(self):
with self.assertRaises(TypeError):
load({}, A)
assert load({}, B) == {}
assert load({'val': 'a'}, B) == {'val': 'a'}
assert load({'vel': 'q'}, B) == {}
with self.assertRaises(TypeError):
load({'vel': 'q'}, B, failonextra=True)
def test_loadperson(self):
o = {'name': 'pino', 'age': 1.1}
assert load(o, Person) == o
assert load({'val': 3}, A) == {'val': '3'}
assert load({'val': 3, 'vil': 4}, A) == {'val': '3'}
with self.assertRaises(TypeError):
o.pop('age')
load(o, Person)
with self.assertRaises(TypeError):
load({'val': 3, 'vil': 4}, A, failonextra=True)
def test_is_typeddict(self):
assert typechecks.is_typeddict(A)
assert typechecks.is_typeddict(Person)
assert typechecks.is_typeddict(B)
if sys.version_info.minor >= 11:
# NotRequired is present from 3.11
from typing import NotRequired, Required
class TestRequired(unittest.TestCase):
def test_normal(self):
class A(TypedDict, total=False):
a: int
b: Required[int]
assert load({'a': 1, 'b': 1}, A) == {'a': 1, 'b': 1}
assert load({'b': 1}, A) == {'b': 1}
with self.assertRaises(TypeError):
load({}, A)
def test_abnormal(self):
class A(TypedDict, total=True):
a: int
b: Required[int]
assert load({'a': 1, 'b': 1}, A) == {'a': 1, 'b': 1}
with self.assertRaises(TypeError):
load({}, A)
with self.assertRaises(TypeError):
load({'a': 1}, A)
with self.assertRaises(TypeError):
load({'b': 1}, A)
def test_many(self):
class A(TypedDict, total=True):
a: Required[int]
b: Required[int]
c: NotRequired[int]
d: NotRequired[int]
class B(TypedDict, total=False):
a: Required[int]
b: Required[int]
c: NotRequired[int]
d: NotRequired[int]
with self.assertRaises(TypeError):
load({}, A)
with self.assertRaises(TypeError):
load({}, B)
with self.assertRaises(TypeError):
load({'c': 1}, A)
with self.assertRaises(TypeError):
load({'c': 1}, B)
assert load({'a': 1, 'b': 1}, A) == {'a': 1, 'b': 1}
assert load({'a': 1, 'b': 1}, B) == {'a': 1, 'b': 1}
with self.assertRaises(ValueError):
load({'a': 1, 'b': 'qqq'}, A)
class TestNotRequired(unittest.TestCase):
def test_standard(self):
class A(TypedDict):
i: int
o: NotRequired[int]
assert load({'i': 1}, A) == {'i': 1}
assert load({'i': 1, 'o': 2}, A) == {'i': 1, 'o': 2}
def test_nontotal(self):
class A(TypedDict, total = False):
i: int
o: NotRequired[int]
assert load({}, A) == {}
assert load({'i': 1}, A) == {'i': 1}
assert load({'i': 1, 'o': 2}, A) == {'i': 1, 'o': 2}
def test_mixtotal(self):
class A(TypedDict):
a: int
b: NotRequired[int]
class B(A, total=False):
c: int
d: NotRequired[int]
with self.assertRaises(TypeError):
load({}, B)
assert load({'a': 1}, B) == {'a': 1}
assert load({'a': 1, 'd':12}, B) == {'a': 1, 'd': 12}
if sys.version_info.minor >= 13:
from typing import ReadOnly
class TestReadOnly(unittest.TestCase):
def test_load(self):
class A(TypedDict):
i: ReadOnly[int]
q=load({'i': 1}, A)
assert load({'i': 1}, A) == {'i': 1}
def test_loadwithannotationnesting(self):
class A(TypedDict, total=True):
i: ReadOnly[NotRequired[int]]
assert load({}, A) == {}
assert load({'i': 1}, A) == {'i': 1}
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