django-rest-framework/tests/test_bound_fields.py
2014-12-17 14:14:51 +00:00

70 lines
2.8 KiB
Python

from rest_framework import serializers
class TestSimpleBoundField:
def test_empty_bound_field(self):
class ExampleSerializer(serializers.Serializer):
text = serializers.CharField(max_length=100)
amount = serializers.IntegerField()
serializer = ExampleSerializer()
assert serializer['text'].value == ''
assert serializer['text'].errors is None
assert serializer['text'].name == 'text'
assert serializer['amount'].value is None
assert serializer['amount'].errors is None
assert serializer['amount'].name == 'amount'
def test_populated_bound_field(self):
class ExampleSerializer(serializers.Serializer):
text = serializers.CharField(max_length=100)
amount = serializers.IntegerField()
serializer = ExampleSerializer(data={'text': 'abc', 'amount': 123})
assert serializer.is_valid()
assert serializer['text'].value == 'abc'
assert serializer['text'].errors is None
assert serializer['text'].name == 'text'
assert serializer['amount'].value is 123
assert serializer['amount'].errors is None
assert serializer['amount'].name == 'amount'
def test_error_bound_field(self):
class ExampleSerializer(serializers.Serializer):
text = serializers.CharField(max_length=100)
amount = serializers.IntegerField()
serializer = ExampleSerializer(data={'text': 'x' * 1000, 'amount': 123})
serializer.is_valid()
assert serializer['text'].value == 'x' * 1000
assert serializer['text'].errors == ['Ensure this field has no more than 100 characters.']
assert serializer['text'].name == 'text'
assert serializer['amount'].value is 123
assert serializer['amount'].errors is None
assert serializer['amount'].name == 'amount'
class TestNestedBoundField:
def test_nested_empty_bound_field(self):
class Nested(serializers.Serializer):
more_text = serializers.CharField(max_length=100)
amount = serializers.IntegerField()
class ExampleSerializer(serializers.Serializer):
text = serializers.CharField(max_length=100)
nested = Nested()
serializer = ExampleSerializer()
assert serializer['text'].value == ''
assert serializer['text'].errors is None
assert serializer['text'].name == 'text'
assert serializer['nested']['more_text'].value == ''
assert serializer['nested']['more_text'].errors is None
assert serializer['nested']['more_text'].name == 'nested.more_text'
assert serializer['nested']['amount'].value is None
assert serializer['nested']['amount'].errors is None
assert serializer['nested']['amount'].name == 'nested.amount'