[Solved] What will happen if you call MyField().to_internal_value('abc') given this code? class MyField(serializers.Field): def to_internal_value(self, data): return int(data) | Django

Django - DRF Advanced Features

What will happen if you call MyField().to_internal_value('abc') given this code?

class MyField(serializers.Field):
    def to_internal_value(self, data):
        return int(data)

AReturns integer 0

BRaises ValueError

CReturns string 'abc'

DReturns None

Step-by-Step Solution

Solution:

Step 1: Analyze to_internal_value method
It tries to convert input data to int using int(data).
Step 2: Check conversion of 'abc' to int
Converting 'abc' to int raises ValueError because 'abc' is not a number.
Final Answer:
Raises ValueError -> Option B
Quick Check:
to_internal_value('abc') = ValueError [OK]

Quick Trick: to_internal_value must handle invalid input to avoid errors [OK]

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What will happen if you call MyField().to_internal_value('abc') given this code?