def test_single_value_validation_with_error(self):
"""Test that an single invalid value returns an error in the single-item format."""
field = SingleOrListField(child=serializers.CharField(
allow_blank=False))
with pytest.raises(serializers.ValidationError) as excinfo:
field.run_validation('')
assert excinfo.value.get_codes() == ['blank']
def test_multiple_values_validation_with_error(self):
"""Test that multiple invalid value returns an error for each item."""
field = SingleOrListField(child=serializers.CharField(
allow_blank=False))
with pytest.raises(serializers.ValidationError) as excinfo:
field.run_validation(['', ''])
assert excinfo.value.get_codes() == {0: ['blank'], 1: ['blank']}
def test_single_value_validation(self):
"""Test that a single value passes validation and is wrapped in a list."""
field = SingleOrListField(child=serializers.CharField())
assert field.run_validation('value') == ['value']
def test_multiple_values_validation(self):
"""Test that list of values passes validation and is returned as a list."""
field = SingleOrListField(child=serializers.CharField())
assert field.run_validation(['value1',
'value2']) == ['value1', 'value2']