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from django.core.exceptions import ValidationError
from django.test import TestCase
from django.core.validators import URLValidator
import brevisurl.settings
from brevisurl import get_connection
from brevisurl.models import ShortUrl
from brevisurl.backends.local import TokensExhaustedError
class TestLocalBrevisUrlBackend(TestCase):
def setUp(self):
self.connection = get_connection('brevisurl.backends.local.BrevisUrlBackend')
def test_shorten_url_use_site_framework(self):
brevisurl.settings.LOCAL_BACKEND_DOMAIN = None
self.assertEqual(ShortUrl.objects.all().count(), 0)
original_url = 'http://www.codescale.net/'
short_url = self.connection.shorten_url(original_url)
self.assertEqual(ShortUrl.objects.all().count(), 1)
self.assertEqual(short_url.original_url, original_url)
self.assertRegexpMatches(short_url.shortened_url, URLValidator.regex)
def test_shorten_url_domain_from_settings(self):
self.assertEqual(ShortUrl.objects.all().count(), 0)
brevisurl.settings.LOCAL_BACKEND_DOMAIN = 'http://brevisurl.net/'
original_url = 'http://www.codescale.net/'
short_url = self.connection.shorten_url(original_url)
self.assertEqual(ShortUrl.objects.all().count(), 1)
self.assertEqual(short_url.original_url, original_url)
self.assertRegexpMatches(short_url.shortened_url, r'^http://brevisurl\.net/[a-zA-Z0-9]{5}$')
def test_shorten_url_reuse_old(self):
original_url = 'http://www.codescale.net/'
self.assertEqual(ShortUrl.objects.all().count(), 0)
short_url = self.connection.shorten_url(original_url)
self.assertEqual(ShortUrl.objects.all().count(), 1)
self.assertEqual(short_url.original_url, original_url)
self.assertRegexpMatches(short_url.shortened_url, URLValidator.regex)
short_url = self.connection.shorten_url(original_url)
self.assertEqual(ShortUrl.objects.all().count(), 1)
self.assertEqual(short_url.original_url, original_url)
self.assertRegexpMatches(short_url.shortened_url, URLValidator.regex)
def test_shorten_url_create_new(self):
original_url = 'http://www.codescale.net/'
self.assertEqual(ShortUrl.objects.all().count(), 0)
short_url = self.connection.shorten_url(original_url)
self.assertEqual(ShortUrl.objects.all().count(), 1)
self.assertEqual(short_url.original_url, original_url)
self.assertRegexpMatches(short_url.shortened_url, URLValidator.regex)
original_url = 'http://www.codescale.net/en/company/'
short_url = self.connection.shorten_url(original_url)
self.assertEqual(ShortUrl.objects.all().count(), 2)
self.assertEqual(short_url.original_url, original_url)
self.assertRegexpMatches(short_url.shortened_url, URLValidator.regex)
def test_shorten_url_invalid_original_url(self):
with self.assertRaises(ValidationError):
self.connection.shorten_url('www.codescale.')
self.assertEqual(ShortUrl.objects.all().count(), 0)
def test_shorten_url_invalid_original_url_fail_silently(self):
self.connection.fail_silently = True
shorl_url = self.connection.shorten_url('www.codescale.')
self.assertIsNone(shorl_url)
def test_configurable_token_chars(self):
original_url = 'http://www.codescale.net/'
_default_chars = brevisurl.settings.LOCAL_BACKEND_TOKEN_CHARS
brevisurl.settings.LOCAL_BACKEND_TOKEN_CHARS = ['a']
self.assertEqual(ShortUrl.objects.all().count(), 0)
short_url = self.connection.shorten_url(original_url)
self.assertEqual(ShortUrl.objects.all().count(), 1)
self.assertEqual(short_url.original_url, original_url)
self.assertRegexpMatches(short_url.shortened_url, r'/aaaaa$')
brevisurl.settings.LOCAL_BACKEND_TOKEN_CHARS = _default_chars
def test_exhausted_tokens(self):
original_url = 'http://www.codescale.net/'
_default_chars = brevisurl.settings.LOCAL_BACKEND_TOKEN_CHARS
brevisurl.settings.LOCAL_BACKEND_TOKEN_CHARS = ['a']
self.assertEqual(ShortUrl.objects.all().count(), 0)
short_url = self.connection.shorten_url(original_url)
self.assertEqual(ShortUrl.objects.all().count(), 1)
with self.assertRaises(TokensExhaustedError):
original_url = 'http://www.codescale.net/another/'
short_url = self.connection.shorten_url(original_url)
brevisurl.settings.LOCAL_BACKEND_TOKEN_CHARS = _default_chars
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