Django - Testing Django Applications
You want to test a form that conditionally requires a phone number only if the user selects 'contact by phone'. How should you write the test to verify this conditional validation?
You want to test a form that conditionally requires a phone number only if the user selects 'contact by phone'. How should you write the test to verify this conditional validation?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Understand conditional requirement
Phone number is required only if 'contact_method' is 'phone'.Step 2: Test missing phone when contact_method is phone
Submit data with 'contact_method'='phone' and empty 'phone' to check validation fails.Final Answer:
Submit form data with 'contact_method' set to 'phone' and empty 'phone' field, then assert form.is_valid() is False -> Option AQuick Check:
Conditional validation fails if required field missing [OK]
Quick Trick: Test conditional fields by submitting missing required data for that condition [OK]
Common Mistakes:
MISTAKES- Testing missing phone when contact_method is email
- Expecting form to be invalid when phone is filled
- Ignoring conditional logic in tests
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