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 | import unittest
from django.test import TestCase
from .models import PersonWithCustomMaxLengths, PersonWithDefaultMaxLengths
class MaxLengthArgumentsTests(unittest.TestCase):
    def verify_max_length(self, model, field, length):
        self.assertEqual(model._meta.get_field(field).max_length, length)
    def test_default_max_lengths(self):
        self.verify_max_length(PersonWithDefaultMaxLengths, "email", 254)
        self.verify_max_length(PersonWithDefaultMaxLengths, "vcard", 100)
        self.verify_max_length(PersonWithDefaultMaxLengths, "homepage", 200)
        self.verify_max_length(PersonWithDefaultMaxLengths, "avatar", 100)
    def test_custom_max_lengths(self):
        self.verify_max_length(PersonWithCustomMaxLengths, "email", 250)
        self.verify_max_length(PersonWithCustomMaxLengths, "vcard", 250)
        self.verify_max_length(PersonWithCustomMaxLengths, "homepage", 250)
        self.verify_max_length(PersonWithCustomMaxLengths, "avatar", 250)
class MaxLengthORMTests(TestCase):
    def test_custom_max_lengths(self):
        args = {
            "email": "someone@example.com",
            "vcard": "vcard",
            "homepage": "http://example.com/",
            "avatar": "me.jpg",
        }
        for field in ("email", "vcard", "homepage", "avatar"):
            new_args = args.copy()
            new_args[field] = (
                "X" * 250
            )  # a value longer than any of the default fields could hold.
            p = PersonWithCustomMaxLengths.objects.create(**new_args)
            self.assertEqual(getattr(p, field), ("X" * 250))
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