diff --git a/embed_video/tests/custom_backend.py b/embed_video/tests/custom_backend.py
new file mode 100644
index 0000000..79a54b3
--- /dev/null
+++ b/embed_video/tests/custom_backend.py
@@ -0,0 +1,11 @@
+import re
+
+from embed_video.backends import VideoBackend
+
+
+class CustomBackend(VideoBackend):
+    re_detect = re.compile(r'http://myvideo\.com/[0-9]+')
+    re_code = re.compile(r'http://myvideo\.com/(?P<code>[0-9]+)')
+
+    pattern_url = 'http://play.myvideo.com/c/%s/'
+    pattern_thumbnail_url = 'http://thumb.myvideo.com/c/%s/'
diff --git a/embed_video/tests/django_settings.py b/embed_video/tests/django_settings.py
index fe35230..00c05a8 100644
--- a/embed_video/tests/django_settings.py
+++ b/embed_video/tests/django_settings.py
@@ -12,13 +12,22 @@ INSTALLED_APPS = (
     'embed_video',
 )
 
+
+EMBED_VIDEO_BACKENDS = (
+    'embed_video.backends.YoutubeBackend',
+    'embed_video.backends.VimeoBackend',
+    'embed_video.backends.SoundCloudBackend',
+    'embed_video.tests.custom_backend.CustomBackend',
+)
+
+
 LOGGING = {
     'version': 1,
     'disable_existing_loggers': False,
     'handlers': {
-        'console':{
-            'level':'DEBUG',
-            'class':'logging.StreamHandler',
+        'console': {
+            'level': 'DEBUG',
+            'class': 'logging.StreamHandler',
         },
     },
     'loggers': {
diff --git a/embed_video/tests/tests.py b/embed_video/tests/tests.py
index feea829..d65a126 100644
--- a/embed_video/tests/tests.py
+++ b/embed_video/tests/tests.py
@@ -2,6 +2,3 @@ import os
 
 os.environ['DJANGO_SETTINGS_MODULE'] = 'embed_video.tests.django_settings'
 
-from .tests_fields import EmbedVideoFieldTestCase, EmbedVideoFormFieldTestCase
-from .tests_backend import EmbedVideoTestCase
-from .tests_tags import EmbedVideoNodeTestCase
diff --git a/embed_video/tests/tests_custom_backend.py b/embed_video/tests/tests_custom_backend.py
new file mode 100644
index 0000000..a0d9ad7
--- /dev/null
+++ b/embed_video/tests/tests_custom_backend.py
@@ -0,0 +1,25 @@
+from unittest import TestCase
+
+from embed_video.backends import detect_backend
+
+from .custom_backend import CustomBackend
+
+
+class CustomBackendTestCase(TestCase):
+    def setUp(self):
+        self.backend = detect_backend('http://myvideo.com/1530')
+
+    def test_detect_backend(self):
+        self.assertIsInstance(self.backend, CustomBackend)
+
+    def test_code(self):
+        self.assertEqual(self.backend.code, '1530')
+
+    def test_url(self):
+        self.assertEqual(self.backend.get_url(),
+                         'http://play.myvideo.com/c/1530/')
+
+    def test_thumbnail(self):
+        self.assertEqual(self.backend.get_thumbnail_url(),
+                         'http://thumb.myvideo.com/c/1530/')
+