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|
import re
from enum import Enum
from typing import Any, Callable
import pytest
from pydantic_core import SchemaError, SchemaValidator, ValidationError, core_schema
from pydantic_core import core_schema as cs
from ..conftest import Err, PyAndJson, plain_repr
@pytest.mark.parametrize(
'kwarg_expected,input_value,expected',
[
([1], 1, 1),
pytest.param(
[1],
2,
Err(
'Input should be 1 [type=literal_error, input_value=2, input_type=int]',
[
{
'type': 'literal_error',
'loc': (),
'msg': 'Input should be 1',
'input': 2,
'ctx': {'expected': '1'},
}
],
),
id='wrong-single-int',
),
(['foo'], 'foo', 'foo'),
pytest.param(
['foo'],
'bar',
Err(
"Input should be 'foo' [type=literal_error, input_value='bar', input_type=str]",
[
{
'type': 'literal_error',
'loc': (),
'msg': "Input should be 'foo'",
'input': 'bar',
'ctx': {'expected': "'foo'"},
}
],
),
id='wrong-single-str',
),
([1, 2], 1, 1),
([1, 2], 2, 2),
pytest.param(
[1, 2],
3,
Err('Input should be 1 or 2 [type=literal_error, input_value=3, input_type=int]'),
id='wrong-multiple-int',
),
([1, 2, 3, 4], 4, 4),
pytest.param(
[1, 2, 3, 4],
5,
Err(
'Input should be 1, 2, 3 or 4 [type=literal_error, input_value=5, input_type=int]',
[
{
'type': 'literal_error',
'loc': (),
'msg': 'Input should be 1, 2, 3 or 4',
'input': 5,
'ctx': {'expected': '1, 2, 3 or 4'},
}
],
),
id='wrong-multiple-int',
),
(['a', 'b'], 'a', 'a'),
pytest.param(
['a', 'b'],
'c',
Err("Input should be 'a' or 'b' [type=literal_error, input_value='c', input_type=str]"),
id='wrong-multiple-str',
),
([1, '1'], 1, 1),
([1, '1'], '1', '1'),
pytest.param(
[1, '1'],
'2',
Err(
"Input should be 1 or '1' [type=literal_error, input_value='2', input_type=str]",
[
{
'type': 'literal_error',
'loc': (),
'msg': "Input should be 1 or '1'",
'input': '2',
'ctx': {'expected': "1 or '1'"},
}
],
),
id='wrong-str-int',
),
],
)
def test_literal_py_and_json(py_and_json: PyAndJson, kwarg_expected, input_value, expected):
v = py_and_json({'type': 'literal', 'expected': kwarg_expected})
if isinstance(expected, Err):
with pytest.raises(ValidationError, match=re.escape(expected.message)) as exc_info:
v.validate_test(input_value)
if expected.errors is not None:
# debug(exc_info.value.errors(include_url=False))
assert exc_info.value.errors(include_url=False) == expected.errors
else:
assert v.validate_test(input_value) == expected
@pytest.mark.parametrize(
'kwarg_expected,input_value,expected',
[
([1, b'whatever'], b'whatever', b'whatever'),
([(1, 2), (3, 4)], (1, 2), (1, 2)),
([(1, 2), (3, 4)], (3, 4), (3, 4)),
pytest.param(
[1, b'whatever'],
3,
Err("Input should be 1 or b'whatever' [type=literal_error, input_value=3, input_type=int]"),
id='wrong-general',
),
([b'bite'], b'bite', b'bite'),
pytest.param(
[b'bite'],
'spoon',
Err(
"Input should be b'bite' [type=literal_error, input_value='spoon', input_type=str]",
[
{
'type': 'literal_error',
'loc': (),
'msg': "Input should be 1 or '1'",
'input': '2',
'ctx': {'expected': "1 or '1'"},
}
],
),
id='single-byte',
),
],
)
def test_literal_not_json(kwarg_expected, input_value, expected):
v = SchemaValidator(cs.literal_schema(expected=kwarg_expected))
if isinstance(expected, Err):
with pytest.raises(ValidationError, match=re.escape(expected.message)) as exc_info:
v.validate_python(input_value)
if expected.errors is not None:
# debug(exc_info.value.errors(include_url=False))
assert exc_info.value.errors(include_url=False) == expected.errors
else:
assert v.validate_python(input_value) == expected
def test_build_error():
with pytest.raises(SchemaError, match='SchemaError: `expected` should have length > 0'):
SchemaValidator(cs.literal_schema(expected=[]))
def test_literal_none():
v = SchemaValidator(core_schema.literal_schema([None]))
assert v.isinstance_python(None) is True
assert v.isinstance_python(0) is False
expected_repr_start = 'SchemaValidator(title="literal[None]"'
assert plain_repr(v)[: len(expected_repr_start)] == expected_repr_start
def test_union():
v = SchemaValidator(core_schema.union_schema([core_schema.literal_schema(['a', 'b']), core_schema.int_schema()]))
assert v.validate_python('a') == 'a'
assert v.validate_python(4) == 4
with pytest.raises(ValidationError) as exc_info:
v.validate_python('c')
# insert_assert(exc_info.value.errors(include_url=False))
assert exc_info.value.errors(include_url=False) == [
{
'type': 'literal_error',
'loc': ("literal['a','b']",),
'msg': "Input should be 'a' or 'b'",
'input': 'c',
'ctx': {'expected': "'a' or 'b'"},
},
{
'type': 'int_parsing',
'loc': ('int',),
'msg': 'Input should be a valid integer, unable to parse string as an integer',
'input': 'c',
},
]
def test_enum_value():
class FooEnum(Enum):
foo = 'foo_value'
bar = 'bar_value'
v = SchemaValidator(core_schema.literal_schema([FooEnum.foo]))
assert v.validate_python(FooEnum.foo) == FooEnum.foo
with pytest.raises(ValidationError) as exc_info:
v.validate_python('foo_value')
# insert_assert(exc_info.value.errors(include_url=False))
assert exc_info.value.errors(include_url=False) == [
{
'type': 'literal_error',
'loc': (),
'msg': "Input should be <FooEnum.foo: 'foo_value'>",
'input': 'foo_value',
'ctx': {'expected': "<FooEnum.foo: 'foo_value'>"},
}
]
with pytest.raises(ValidationError) as exc_info:
v.validate_python('unknown')
# insert_assert(exc_info.value.errors(include_url=False))
assert exc_info.value.errors(include_url=False) == [
{
'type': 'literal_error',
'loc': (),
'msg': "Input should be <FooEnum.foo: 'foo_value'>",
'input': 'unknown',
'ctx': {'expected': "<FooEnum.foo: 'foo_value'>"},
}
]
with pytest.raises(ValidationError) as exc_info:
v.validate_json('"foo_value"')
assert exc_info.value.errors(include_url=False) == [
{
'type': 'literal_error',
'loc': (),
'msg': "Input should be <FooEnum.foo: 'foo_value'>",
'input': 'foo_value',
'ctx': {'expected': "<FooEnum.foo: 'foo_value'>"},
}
]
def test_str_enum_values():
class Foo(str, Enum):
foo = 'foo_value'
bar = 'bar_value'
v = SchemaValidator(core_schema.literal_schema([Foo.foo]))
assert v.validate_python(Foo.foo) == Foo.foo
assert v.validate_python('foo_value') == Foo.foo
assert v.validate_json('"foo_value"') == Foo.foo
with pytest.raises(ValidationError) as exc_info:
v.validate_python('unknown')
assert exc_info.value.errors(include_url=False) == [
{
'type': 'literal_error',
'loc': (),
'msg': "Input should be <Foo.foo: 'foo_value'>",
'input': 'unknown',
'ctx': {'expected': "<Foo.foo: 'foo_value'>"},
}
]
def test_int_enum_values():
class Foo(int, Enum):
foo = 2
bar = 3
v = SchemaValidator(core_schema.literal_schema([Foo.foo]))
assert v.validate_python(Foo.foo) == Foo.foo
assert v.validate_python(2) == Foo.foo
assert v.validate_json('2') == Foo.foo
with pytest.raises(ValidationError) as exc_info:
v.validate_python(4)
assert exc_info.value.errors(include_url=False) == [
{
'type': 'literal_error',
'loc': (),
'msg': 'Input should be <Foo.foo: 2>',
'input': 4,
'ctx': {'expected': '<Foo.foo: 2>'},
}
]
@pytest.mark.parametrize(
'reverse, err',
[
(
lambda x: list(reversed(x)),
[
{
'type': 'literal_error',
'loc': (),
'msg': 'Input should be <Foo.foo: 1> or 1',
'input': 2,
'ctx': {'expected': '<Foo.foo: 1> or 1'},
}
],
),
(
lambda x: x,
[
{
'type': 'literal_error',
'loc': (),
'msg': 'Input should be 1 or <Foo.foo: 1>',
'input': 2,
'ctx': {'expected': '1 or <Foo.foo: 1>'},
}
],
),
],
)
def test_mix_int_enum_with_int(reverse: Callable[[list[Any]], list[Any]], err: Any):
class Foo(int, Enum):
foo = 1
v = SchemaValidator(core_schema.literal_schema(reverse([1, Foo.foo])))
assert v.validate_python(Foo.foo) is Foo.foo
val = v.validate_python(1)
assert val == 1 and val is not Foo.foo
val = v.validate_json('1')
assert val == 1 and val is not Foo.foo
with pytest.raises(ValidationError) as exc_info:
v.validate_python(2)
assert exc_info.value.errors(include_url=False) == err
@pytest.mark.parametrize(
'reverse, err',
[
(
lambda x: list(reversed(x)),
[
{
'type': 'literal_error',
'loc': (),
'msg': "Input should be <Foo.foo: 'foo_val'> or 'foo_val'",
'input': 'bar_val',
'ctx': {'expected': "<Foo.foo: 'foo_val'> or 'foo_val'"},
}
],
),
(
lambda x: x,
[
{
'type': 'literal_error',
'loc': (),
'msg': "Input should be 'foo_val' or <Foo.foo: 'foo_val'>",
'input': 'bar_val',
'ctx': {'expected': "'foo_val' or <Foo.foo: 'foo_val'>"},
}
],
),
],
)
def test_mix_str_enum_with_str(reverse: Callable[[list[Any]], list[Any]], err: Any):
class Foo(str, Enum):
foo = 'foo_val'
v = SchemaValidator(core_schema.literal_schema(reverse(['foo_val', Foo.foo])))
assert v.validate_python(Foo.foo) is Foo.foo
val = v.validate_python('foo_val')
assert val == 'foo_val' and val is not Foo.foo
val = v.validate_json('"foo_val"')
assert val == 'foo_val' and val is not Foo.foo
with pytest.raises(ValidationError) as exc_info:
v.validate_python('bar_val')
assert exc_info.value.errors(include_url=False) == err
def test_big_int():
big_int = 2**64 + 1
massive_int = 2**128 + 1
v = SchemaValidator(core_schema.literal_schema([big_int, massive_int]))
assert v.validate_python(big_int) == big_int
assert v.validate_python(massive_int) == massive_int
m = r'Input should be 18446744073709551617 or 340282366920938463463374607431768211457 \[type=literal_error'
with pytest.raises(ValidationError, match=m):
v.validate_python(37)
def test_enum_for_str() -> None:
class S(str, Enum):
a = 'a'
val_enum = SchemaValidator(core_schema.literal_schema([S.a]))
val_str = SchemaValidator(core_schema.literal_schema(['a']))
for val in [val_enum, val_str]:
assert val.validate_python('a') == 'a'
assert val.validate_python(S.a) == 'a'
|
