Files
django-jsignature/tests/test_fields.py
2020-04-18 19:04:25 +02:00

69 lines
2.1 KiB
Python

import json
from django.test import SimpleTestCase
from django.core.exceptions import ValidationError
from jsignature.fields import JSignatureField
from jsignature.forms import JSignatureField as JSignatureFormField
try:
from django.utils import six
string_types = six.string_types
except ImportError:
string_types = str
class JSignatureFieldTest(SimpleTestCase):
def test_to_python_empty(self):
f = JSignatureField()
for val in ['', [], '[]']:
self.assertIsNone(f.to_python(val))
def test_to_python_correct_value_python(self):
f = JSignatureField()
val = [{"x": [1, 2], "y": [3, 4]}]
self.assertEquals(val, f.to_python(val))
def test_to_python_correct_value_json(self):
f = JSignatureField()
val = [{"x": [1, 2], "y": [3, 4]}]
val_str = '[{"x":[1,2], "y":[3,4]}]'
self.assertEquals(val, f.to_python(val_str))
def test_to_python_incorrect_value(self):
f = JSignatureField()
val = 'foo'
self.assertRaises(ValidationError, f.to_python, val)
def test_get_prep_value_empty(self):
f = JSignatureField()
for val in ['', [], '[]']:
self.assertIsNone(f.get_prep_value(val))
def test_get_prep_value_correct_values_python(self):
f = JSignatureField()
val = [{"x": [1, 2], "y": [3, 4]}]
val_prep = f.get_prep_value(val)
self.assertIsInstance(val_prep, string_types)
self.assertEquals(val, json.loads(val_prep))
def test_get_prep_value_correct_values_json(self):
f = JSignatureField()
val = [{"x": [1, 2], "y": [3, 4]}]
val_str = '[{"x":[1,2], "y":[3,4]}]'
val_prep = f.get_prep_value(val_str)
self.assertIsInstance(val_prep, string_types)
self.assertEquals(val, json.loads(val_prep))
def test_get_prep_value_incorrect_values(self):
f = JSignatureField()
val = type('Foo')
self.assertRaises(ValidationError, f.get_prep_value, val)
def test_formfield(self):
f = JSignatureField()
cls = f.formfield().__class__
self.assertTrue(issubclass(cls, JSignatureFormField))