tests/service/test_notification_service.py

from src.service.notification_service import _build_notification_body

def test__build_notification_body():
    """
    Test the method _build_notification_body
    """
    email_body = _build_notification_body(
        transaction_number="123456789",
        fraud_score=0.95,
        model_version="v1.0",
    )

    assert "123456789" in email_body
    assert "0.95" in email_body
    assert "v1.0" in email_body