class ExampleSerializer(serializers.Serializer):
choice_field = serializers.ChoiceField(['red', 'green', 'blue'])
integer_field = serializers.IntegerField(min_value=1,
max_value=1000)
char_field = serializers.CharField(required=False,
min_length=3,
max_length=40)
class TestChoiceField(FieldValues):
"""
Valid and invalid values for `ChoiceField`.
"""
valid_inputs = {
'poor': 'poor',
'medium': 'medium',
'good': 'good',
}
invalid_inputs = {'amazing': ['"amazing" is not a valid choice.']}
outputs = {'good': 'good', '': ''}
field = serializers.ChoiceField(choices=[
('poor', 'Poor quality'),
('medium', 'Medium quality'),
('good', 'Good quality'),
])
def test_allow_blank(self):
"""
If `allow_blank=True` then '' is a valid input.
"""
field = serializers.ChoiceField(allow_blank=True,
choices=[
('poor', 'Poor quality'),
('medium', 'Medium quality'),
('good', 'Good quality'),
])
output = field.run_validation('')
assert output == ''
def test_choices(self):
"""
Make sure a value for choices works as expected.
"""
f = serializers.ChoiceField(choices=self.CHOICES)
value = self.CHOICES[0][0]
try:
f.to_internal_value(value)
except serializers.ValidationError:
self.fail("Value %s does not validate" % str(value))
def test_allow_blank(self):
"""
If `allow_blank=True` then '' is a valid input.
"""
field = serializers.ChoiceField(allow_blank=True,
choices=[
('poor', 'Poor quality'),
('medium', 'Medium quality'),
('good', 'Good quality'),
])
output = field.run_validation('')
assert output == ''
class TestChoiceFieldWithListChoices(FieldValues):
"""
Valid and invalid values for a `Choice` field that uses a flat list for the
choices, rather than a list of pairs of (`value`, `description`).
"""
valid_inputs = {
'poor': 'poor',
'medium': 'medium',
'good': 'good',
}
invalid_inputs = {'awful': ['"awful" is not a valid choice.']}
outputs = {'good': 'good'}
field = serializers.ChoiceField(choices=('poor', 'medium', 'good'))
class TestChoiceFieldWithType(FieldValues):
"""
Valid and invalid values for a `Choice` field that uses an integer type,
instead of a char type.
"""
valid_inputs = {
'1': 1,
3: 3,
}
invalid_inputs = {
5: ['"5" is not a valid choice.'],
'abc': ['"abc" is not a valid choice.']
}
outputs = {'1': 1, 1: 1}
field = serializers.ChoiceField(choices=[
(1, 'Poor quality'),
(2, 'Medium quality'),
(3, 'Good quality'),
])
class ExampleSerializer(serializers.Serializer):
choice_field = serializers.ChoiceField(['red', 'green', 'blue'])
integer_field = serializers.IntegerField(max_value=10)
char_field = serializers.CharField(required=False)