django_test_tools/forms.py

   1
   2 class FormTestMixin():
   3     """
   4     Test mixin for testing forms
   5     """
   6
   7     def assert_missing_fields(self, cls, data, fields=None):
   8         """
   9         Tests fields that should raise a required exception
  10
  11         @param cls - form class
  12         @param data - dict of valid data
  13         @param fields - list of field names that are required
  14         """
  15         fields = data.keys if fields is None else fields
  16
  17         # check required fields
  18         for name in fields:
  19             data_ = data.copy()
  20             del data_[name]
  21             form = cls(data_)
  22             self.assertFalse(form.is_valid())
  23
  24     def assert_invalid_value(self, cls, data, fields):
  25         """
  26         Tests fields that should raise an error for a specific type of invalid
  27         data.
  28
  29         @param cls - form class
  30         @param data - dict of valid data
  31         @param fields - list of dicts containing field name and values that result
  32         in form errors.
  33         """
  34         # check required fields
  35         for values in fields:
  36             data_ = data.copy()
  37             data_.update(values)
  38             form = cls(data_)
  39             self.assertFalse(form.is_valid())