Introduce tests for urlize_quoted_links() function

rest_framework/tests/test_urlizer.py

+from __future__ import unicode_literals
+from django.test import TestCase
+from rest_framework.templatetags.rest_framework import urlize_quoted_links
+import sys
+
+
+class URLizerTests(TestCase):
+    """
+    Test if both JSON and YAML URLs are transformed into links well
+    """
+    def _urlize_dict_check(self, data):
+        """
+        For all items in dict test assert that the value is urlized key
+        """
+        for original, urlized in data.items():
+            assert urlize_quoted_links(original, nofollow=False) == urlized
+
+    def test_json_with_url(self):
+        """
+        Test if JSON URLs are transformed into links well
+        """
+        data = {}
+        data['"url": "http://api/users/1/", '] = \
+            '&quot;url&quot;: &quot;<a href="http://api/users/1/">http://api/users/1/</a>&quot;, '
+        data['"foo_set": [\n    "http://api/foos/1/"\n], '] = \
+            '&quot;foo_set&quot;: [\n    &quot;<a href="http://api/foos/1/">http://api/foos/1/</a>&quot;\n], '
+        self._urlize_dict_check(data)
+
+    def test_yaml_with_url(self):
+        """
+        Test if YAML URLs are transformed into links well
+        """
+        data = {}
+        data['''{users: 'http://api/users/'}'''] = \
+            '''{users: &#39;<a href="http://api/users/">http://api/users/</a>&#39;}'''
+        data['''foo_set: ['http://api/foos/1/']'''] = \
+            '''foo_set: [&#39;<a href="http://api/foos/1/">http://api/foos/1/</a>&#39;]'''
+        self._urlize_dict_check(data)