example-of-crud-in-django-w.../tests/libros/test_serializers.py

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# tests/libros/test_serializers.py
from app.libros.serializers import LibroSerializer
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def test_valid_libro_serializer():
valid_serializer_data = {
"title": "Raising Arizona",
"genre": "comedy",
"year": "1987",
"author": "Ray Bradbury",
}
serializer = LibroSerializer(data=valid_serializer_data)
assert serializer.is_valid()
assert serializer.validated_data == valid_serializer_data
assert serializer.data == valid_serializer_data
assert serializer.errors == {}
def test_invalid_libro_serializer():
invalid_serializer_data = {
"title": "Soy Leyenda",
"author": "Richard Matheson",
}
serializer = LibroSerializer(data=invalid_serializer_data)
assert not serializer.is_valid()
assert serializer.validated_data == {}
assert serializer.data == invalid_serializer_data
assert serializer.errors == {
"year": ["This field is required."],
"genre": ["This field is required."],
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}