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from datetime import datetime, time
import sqlalchemy as sa
from sqlalchemy_utils import EmailType
from wtforms.validators import (
DataRequired,
Email,
InputRequired,
Length,
NumberRange,
Optional,
)
from wtforms_components import DateRange, TimeRange
from tests import ModelFormTestCase
from wtforms_alchemy import ClassMap, ModelForm, Unique
class TestAutoAssignedValidators(ModelFormTestCase):
def test_auto_assigns_length_validators(self):
self.init()
self.assert_max_length("test_column", 255)
def test_assigns_validators_from_info_field(self):
self.init(info={"validators": Email()})
self.assert_has_validator("test_column", Email)
def test_assigns_unique_validator_for_unique_fields(self):
self.init(unique=True)
self.assert_has_validator("test_column", Unique)
def test_assigns_non_nullable_fields_as_required(self):
self.init(nullable=False)
self.assert_has_validator("test_column", DataRequired)
self.assert_has_validator("test_column", InputRequired)
def test_type_level_not_nullable_validators(self):
class ModelTest(self.base):
__tablename__ = "model_test"
id = sa.Column(sa.Integer, primary_key=True)
test_column = sa.Column(sa.Unicode(255), nullable=False)
validator = DataRequired()
class ModelTestForm(ModelForm):
class Meta:
model = ModelTest
not_null_validator_type_map = ClassMap()
not_null_validator = validator
form = ModelTestForm()
assert validator in form.test_column.validators
def test_not_nullable_validator_with_type_decorator(self):
class ModelTest(self.base):
__tablename__ = "model_test"
id = sa.Column(sa.Integer, primary_key=True)
test_column = sa.Column(EmailType, nullable=False)
validator = DataRequired()
class ModelTestForm(ModelForm):
class Meta:
model = ModelTest
not_null_validator_type_map = ClassMap([(sa.String, validator)])
not_null_validator = []
form = ModelTestForm()
assert validator in form.test_column.validators
def test_not_null_validator_as_empty_list(self):
class ModelTest(self.base):
__tablename__ = "model_test"
id = sa.Column(sa.Integer, primary_key=True)
test_column = sa.Column(sa.Boolean, nullable=False)
class ModelTestForm(ModelForm):
class Meta:
model = ModelTest
not_null_validator_type_map = ClassMap()
not_null_validator = []
form = ModelTestForm()
assert list(form.test_column.validators) == []
def test_not_null_validator_as_none(self):
class ModelTest(self.base):
__tablename__ = "model_test"
id = sa.Column(sa.Integer, primary_key=True)
test_column = sa.Column(sa.Boolean, nullable=False)
class ModelTestForm(ModelForm):
class Meta:
model = ModelTest
not_null_validator_type_map = ClassMap()
not_null_validator = None
form = ModelTestForm()
assert len(form.test_column.validators) == 1
assert isinstance(form.test_column.validators[0], Optional)
def test_not_nullable_booleans_are_required(self):
self.init(sa.Boolean, nullable=False)
self.assert_has_validator("test_column", InputRequired)
def test_not_nullable_fields_with_defaults_are_not_required(self):
self.init(nullable=False, default="default")
self.assert_not_required("test_column")
def test_assigns_nullable_integers_as_optional(self):
self.init(sa.Integer, nullable=True)
self.assert_optional("test_column")
def test_override_email_validator(self):
class ModelTest(self.base):
__tablename__ = "model_test"
id = sa.Column(sa.Integer, primary_key=True)
test_column = sa.Column(EmailType, nullable=True)
def validator():
return Email("Wrong email")
class ModelTestForm(ModelForm):
class Meta:
model = ModelTest
email_validator = validator
form = ModelTestForm()
assert form.test_column.validators[1].message == "Wrong email"
def test_override_optional_validator(self):
class ModelTest(self.base):
__tablename__ = "model_test"
id = sa.Column(sa.Integer, primary_key=True)
test_column = sa.Column(EmailType, nullable=True)
class MyOptionalValidator:
def __init__(self, *args, **kwargs):
pass
def __call__(self, form, field):
pass
class ModelTestForm(ModelForm):
class Meta:
model = ModelTest
optional_validator = MyOptionalValidator
form = ModelTestForm()
assert isinstance(form.test_column.validators[0], MyOptionalValidator)
def test_override_number_range_validator(self):
class ModelTest(self.base):
__tablename__ = "model_test"
id = sa.Column(sa.Integer, primary_key=True)
test_column = sa.Column(sa.Integer, info={"min": 3}, nullable=True)
def number_range(min=-1, max=-1):
return NumberRange(min=min, max=max, message="Wrong number range")
class ModelTestForm(ModelForm):
class Meta:
model = ModelTest
number_range_validator = number_range
form = ModelTestForm()
assert form.test_column.validators[1].message == "Wrong number range"
def test_override_date_range_validator(self):
class ModelTest(self.base):
__tablename__ = "model_test"
id = sa.Column(sa.Integer, primary_key=True)
test_column = sa.Column(
sa.DateTime, info={"min": datetime(2000, 1, 1)}, nullable=True
)
def date_range(min=None, max=None):
return DateRange(min=min, max=max, message="Wrong date range")
class ModelTestForm(ModelForm):
class Meta:
model = ModelTest
date_range_validator = date_range
form = ModelTestForm()
assert form.test_column.validators[1].message == "Wrong date range"
def test_override_time_range_validator(self):
class ModelTest(self.base):
__tablename__ = "model_test"
id = sa.Column(sa.Integer, primary_key=True)
test_column = sa.Column(sa.Time, info={"min": time(14, 30)}, nullable=True)
def time_range(min=None, max=None):
return TimeRange(min=min, max=max, message="Wrong time")
class ModelTestForm(ModelForm):
class Meta:
model = ModelTest
time_range_validator = time_range
form = ModelTestForm()
assert form.test_column.validators[1].message == "Wrong time"
def test_override_length_validator(self):
class ModelTest(self.base):
__tablename__ = "model_test"
id = sa.Column(sa.Integer, primary_key=True)
test_column = sa.Column(sa.Unicode(255), nullable=True)
def length(min=-1, max=-1):
return Length(min=min, max=max, message="Wrong length")
class ModelTestForm(ModelForm):
class Meta:
model = ModelTest
length_validator = length
form = ModelTestForm()
assert form.test_column.validators[1].message == "Wrong length"
def test_override_optional_validator_as_none(self):
class ModelTest(self.base):
__tablename__ = "model_test"
id = sa.Column(sa.Integer, primary_key=True)
test_column = sa.Column(sa.Boolean, nullable=True)
class ModelTestForm(ModelForm):
class Meta:
model = ModelTest
optional_validator = None
form = ModelTestForm()
assert list(form.test_column.validators) == []
def test_override_unique_validator(self):
class ModelTest(self.base):
__tablename__ = "model_test"
id = sa.Column(sa.Integer, primary_key=True)
test_column = sa.Column(sa.Unicode(255), unique=True, nullable=True)
def unique(column, get_session):
return Unique(column, get_session=get_session, message="Not unique")
class ModelTestForm(ModelForm):
class Meta:
model = ModelTest
unique_validator = unique
@staticmethod
def get_session():
return None
form = ModelTestForm()
assert form.test_column.validators[2].message == "Not unique"
|
