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Add a test to show a regression with RegexField and compiled regex #4489

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15 changes: 15 additions & 0 deletions tests/test_fields.py
Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
import datetime
import os
import re
import uuid
from decimal import Decimal

Expand Down Expand Up @@ -590,6 +591,20 @@ class TestRegexField(FieldValues):
field = serializers.RegexField(regex='[a-z][0-9]')


class TestiCompiledRegexField(FieldValues):
"""
Valid and invalid values for `RegexField`.
"""
valid_inputs = {
'a9': 'a9',
}
invalid_inputs = {
'A9': ["This value does not match the required pattern."]
}
outputs = {}
field = serializers.RegexField(regex=re.compile('[a-z][0-9]'))


class TestSlugField(FieldValues):
"""
Valid and invalid values for `SlugField`.
Expand Down
14 changes: 14 additions & 0 deletions tests/test_serializer.py
Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
from __future__ import unicode_literals

import pickle
import re

import pytest

Expand Down Expand Up @@ -337,3 +338,16 @@ def test_default_should_not_be_included_on_partial_update(self):
assert serializer.is_valid()
assert serializer.validated_data == {'integer': 456}
assert serializer.errors == {}


class TestSerializerValidationWithCompiledRegexField:
def setup(self):
class ExampleSerializer(serializers.Serializer):
name = serializers.RegexField(re.compile(r'\d'), required=True)
self.Serializer = ExampleSerializer

def test_validation_success(self):
serializer = self.Serializer(data={'name': '2'})
assert serializer.is_valid()
assert serializer.validated_data == {'name': '2'}
assert serializer.errors == {}