def METHOD_NAME(self):
    # Validate min_length enforcement
    data = {"var1": "xx"}
    form = StringVarJob().as_form(data)
    self.assertFalse(form.is_valid())
    self.assertIn("var1", form.errors)
    # Validate max_length enforcement
    data = {"var1": "xxxx"}
    form = StringVarJob().as_form(data)
    self.assertFalse(form.is_valid())
    self.assertIn("var1", form.errors)
    # Validate regex enforcement
    data = {"var1": "ABC"}
    form = StringVarJob().as_form(data)
    self.assertFalse(form.is_valid())
    self.assertIn("var1", form.errors)
    # Validate valid data
    data = {"var1": "abc"}
    form = StringVarJob().as_form(data)
    self.assertTrue(form.is_valid())
    self.assertEqual(form.cleaned_data["var1"], data["var1"])