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from unittest import TestCase
from django.core.exceptions import ValidationError
from django.db import models
class ValidationMessagesTest(TestCase):
def _test_validation_messages(self, field, value, expected):
with self.assertRaises(ValidationError) as cm:
field.clean(value, None)
self.assertEqual(cm.exception.messages, expected)
def test_autofield_field_raises_error_message(self):
f = models.AutoField(primary_key=True)
self._test_validation_messages(f, "fõo", ["“fõo” value must be an integer."])
def test_integer_field_raises_error_message(self):
f = models.IntegerField()
self._test_validation_messages(f, "fõo", ["“fõo” value must be an integer."])
def test_boolean_field_raises_error_message(self):
f = models.BooleanField()
self._test_validation_messages(
f, "fõo", ["“fõo” value must be either True or False."]
)
def test_nullable_boolean_field_raises_error_message(self):
f = models.BooleanField(null=True)
self._test_validation_messages(
f, "fõo", ["“fõo” value must be either True, False, or None."]
)
def test_float_field_raises_error_message(self):
f = models.FloatField()
self._test_validation_messages(f, "fõo", ["“fõo” value must be a float."])
def test_decimal_field_raises_error_message(self):
f = models.DecimalField()
self._test_validation_messages(
f, "fõo", ["“fõo” value must be a decimal number."]
)
def test_null_boolean_field_raises_error_message(self):
f = models.BooleanField(null=True)
self._test_validation_messages(
f, "fõo", ["“fõo” value must be either True, False, or None."]
)
def test_date_field_raises_error_message(self):
f = models.DateField()
self._test_validation_messages(
f,
"fõo",
[
"“fõo” value has an invalid date format. It must be in YYYY-MM-DD "
"format."
],
)
self._test_validation_messages(
f,
"aaaa-10-10",
[
"“aaaa-10-10” value has an invalid date format. It must be in "
"YYYY-MM-DD format."
],
)
self._test_validation_messages(
f,
"2011-13-10",
[
"“2011-13-10” value has the correct format (YYYY-MM-DD) but it is an "
"invalid date."
],
)
self._test_validation_messages(
f,
"2011-10-32",
[
"“2011-10-32” value has the correct format (YYYY-MM-DD) but it is an "
"invalid date."
],
)
def test_datetime_field_raises_error_message(self):
f = models.DateTimeField()
# Wrong format
self._test_validation_messages(
f,
"fõo",
[
"“fõo” value has an invalid format. It must be in "
"YYYY-MM-DD HH:MM[:ss[.uuuuuu]][TZ] format."
],
)
# Correct format but invalid date
self._test_validation_messages(
f,
"2011-10-32",
[
"“2011-10-32” value has the correct format (YYYY-MM-DD) but it is an "
"invalid date."
],
)
# Correct format but invalid date/time
self._test_validation_messages(
f,
"2011-10-32 10:10",
[
"“2011-10-32 10:10” value has the correct format "
"(YYYY-MM-DD HH:MM[:ss[.uuuuuu]][TZ]) but it is an invalid date/time."
],
)
def test_time_field_raises_error_message(self):
f = models.TimeField()
# Wrong format
self._test_validation_messages(
f,
"fõo",
[
"“fõo” value has an invalid format. It must be in HH:MM[:ss[.uuuuuu]] "
"format."
],
)
# Correct format but invalid time
self._test_validation_messages(
f,
"25:50",
[
"“25:50” value has the correct format (HH:MM[:ss[.uuuuuu]]) but it is "
"an invalid time."
],
)
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