Resolve "HKP download link broken"

Closes #29 (closed)

app/hkp/tests.py

@@ -21,3 +21,29 @@ class CorsHeadersTestCase(TestCase):
         response = self.client.get('/pks/lookup?op=get&search=789')
         self.assertEqual(response.status_code, 200)
         self.assertEqual(response["access-control-allow-origin"], "*")
+
+class CaseSensitivityTestCase(TestCase):
+    """Check that HKP access is case-insensitive"""
+
+    def setUp(self):
+        self.toykey = models.PublicKey.objects.create(
+            email="frank@sauerburger.com",
+            keyid="123456789abCD",
+        )
+        anonymous = get_anonymous_user()
+        assign_perm('view_publickey', anonymous, self.toykey)
+
+    def test_lower(self):
+        """Check that lower case string can be used to lookup a key"""
+        response = self.client.get('/pks/lookup?op=get&search=abcd')
+        self.assertEqual(response.status_code, 200)
+
+    def test_upper(self):
+        """Check that lower case string can be used to lookup a key"""
+        response = self.client.get('/pks/lookup?op=get&search=ABCD')
+        self.assertEqual(response.status_code, 200)
+
+    def test_original(self):
+        """Check that the original case can be used to lookup a key"""
+        response = self.client.get('/pks/lookup?op=get&search=abCD')
+        self.assertEqual(response.status_code, 200)