Because price should be a simple value, not a Sequence

Because factory.Sequence cannot be used with numeric values

Because name must be a static string, not a Sequence

Because the model Product is missing a lower method

Solution:Step 1: Identify the error causeThe error 'Sequence object has no attribute lower' usually occurs when a field expects a string but receives a Sequence object.Step 2: Analyze the factory fieldsThe name field uses Sequence correctly to generate strings. The price field incorrectly uses Seque

[Solved] Given this factory:class ProductFactory(factory.DjangoModelFactory): class Meta: model = Product name = factory.Sequence(lambda n: f"Product {n}") price = factory.Sequence(lambda n: 10.... | Django

Django - Testing Django Applications

Given this factory:

class ProductFactory(factory.DjangoModelFactory):
    class Meta:
        model = Product
    name = factory.Sequence(lambda n: f"Product {n}")
    price = factory.Sequence(lambda n: 10.0 + n)

Why might running tests raise an AttributeError related to 'lower'?

ABecause <code>factory.Sequence</code> cannot be used with numeric values

BBecause <code>name</code> must be a static string, not a Sequence

CBecause the model <code>Product</code> is missing a <code>lower</code> method

DBecause <code>price</code> should be a simple value, not a Sequence

Step-by-Step Solution

Solution:

Step 1: Identify the error cause
The error 'Sequence object has no attribute lower' usually occurs when a field expects a string but receives a Sequence object.
Step 2: Analyze the factory fields
The name field uses Sequence correctly to generate strings. The price field incorrectly uses Sequence to generate floats, which is not expected.
Step 3: Correct usage
Use a fixed float value or a factory.LazyAttribute for numeric fields instead of Sequence.
Final Answer:
Because price should be a simple value, not a Sequence -> Option D
Quick Check:
Numeric fields should not use Sequence directly [OK]

Quick Trick: Use Sequence only for string fields, not numeric [OK]

Common Mistakes:

MISTAKES

Using Sequence for numeric fields
Assuming Sequence works for all field types
Ignoring type expectations of model fields

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Given this factory:

Step 1: Identify the error cause

Step 2: Analyze the factory fields

Step 3: Correct usage

Final Answer:

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