diff --git a/wagtail/tests/fixtures/test.json b/wagtail/tests/fixtures/test.json
new file mode 100644
index 0000000000..98db24215a
--- /dev/null
+++ b/wagtail/tests/fixtures/test.json
@@ -0,0 +1,97 @@
+[
+{
+    "pk": 1,
+    "model": "wagtailcore.page",
+    "fields": {
+        "title": "Root",
+        "numchild": 1,
+        "show_in_menus": false,
+        "live": true,
+        "depth": 1,
+        "content_type": [
+            "wagtailcore",
+            "page"
+        ],
+        "path": "0001",
+        "url_path": "/",
+        "slug": "root"
+    }
+},
+
+{
+    "pk": 2,
+    "model": "wagtailcore.page",
+    "fields": {
+        "title": "Welcome to the Wagtail test site!",
+        "numchild": 1,
+        "show_in_menus": false,
+        "live": true,
+        "depth": 2,
+        "content_type": ["wagtailcore", "page"],
+        "path": "00010001",
+        "url_path": "/home/",
+        "slug": "home"
+    }
+},
+
+{
+    "pk": 3,
+    "model": "wagtailcore.page",
+    "fields": {
+        "title": "Events",
+        "numchild": 1,
+        "show_in_menus": true,
+        "live": true,
+        "depth": 3,
+        "content_type": ["tests", "simplepage"],
+        "path": "000100010001",
+        "url_path": "/home/events/",
+        "slug": "events"
+    }
+},
+{
+    "pk": 3,
+    "model": "tests.simplepage",
+    "fields": {
+        "content": "Look at our lovely events."
+    }
+},
+
+{
+    "pk": 4,
+    "model": "wagtailcore.page",
+    "fields": {
+        "title": "Christmas",
+        "numchild": 1,
+        "show_in_menus": true,
+        "live": true,
+        "depth": 4,
+        "content_type": ["tests", "eventpage"],
+        "path": "0001000100010001",
+        "url_path": "/home/events/christmas/",
+        "slug": "christmas"
+    }
+},
+{
+    "pk": 4,
+    "model": "tests.eventpage",
+    "fields": {
+        "date_from": "2014-12-25",
+        "audience": "public",
+        "location": "The North Pole",
+        "body": "<p>Chestnuts roasting on an open fire</p>",
+        "cost": "Free"
+    }
+},
+
+{
+    "pk": 1,
+    "model": "wagtailcore.site",
+    "fields": {
+        "root_page": 2,
+        "hostname": "localhost",
+        "port": 80,
+        "is_default_site": true
+    }
+}
+]
diff --git a/wagtail/wagtailcore/tests.py b/wagtail/wagtailcore/tests.py
index 95cbacbf0c..ccd91d0092 100644
--- a/wagtail/wagtailcore/tests.py
+++ b/wagtail/wagtailcore/tests.py
@@ -1,19 +1,40 @@
-"""
-This file demonstrates writing tests using the unittest module. These will pass
-when you run "manage.py test".
-
-Replace this with more appropriate tests for your application.
-"""
-
-import unittest
-
 from django.test import TestCase
+from wagtail.wagtailcore.models import Page, Site
 
 
-@unittest.skip("Need real tests")
-class SimpleTest(TestCase):
-    def test_basic_addition(self):
-        """
-        Tests that 1 + 1 always equals 2.
-        """
-        self.assertEqual(1 + 1, 2)
+class TestRouting(TestCase):
+    fixtures = ['test.json']
+
+    def test_urls(self):
+        default_site = Site.objects.get(is_default_site=True)
+        homepage = Page.objects.get(url_path='/home/')
+        christmas_page = Page.objects.get(url_path='/home/events/christmas/')
+
+        # Basic installation only has one site configured, so page.url will return local URLs
+        self.assertEqual(homepage.full_url, 'http://localhost/')
+        self.assertEqual(homepage.url, '/')
+        self.assertEqual(homepage.relative_url(default_site), '/')
+
+        self.assertEqual(christmas_page.full_url, 'http://localhost/events/christmas/')
+        self.assertEqual(christmas_page.url, '/events/christmas/')
+        self.assertEqual(christmas_page.relative_url(default_site), '/events/christmas/')
+
+    def test_urls_with_multiple_sites(self):
+        events_page = Page.objects.get(url_path='/home/events/')
+        events_site = Site.objects.create(hostname='events.example.com', root_page=events_page)
+
+        default_site = Site.objects.get(is_default_site=True)
+        homepage = Page.objects.get(url_path='/home/')
+        christmas_page = Page.objects.get(url_path='/home/events/christmas/')
+
+        # with multiple sites, page.url will return full URLs to ensure that
+        # they work across sites
+        self.assertEqual(homepage.full_url, 'http://localhost/')
+        self.assertEqual(homepage.url, 'http://localhost/')
+        self.assertEqual(homepage.relative_url(default_site), '/')
+        self.assertEqual(homepage.relative_url(events_site), 'http://localhost/')
+
+        self.assertEqual(christmas_page.full_url, 'http://events.example.com/christmas/')
+        self.assertEqual(christmas_page.url, 'http://events.example.com/christmas/')
+        self.assertEqual(christmas_page.relative_url(default_site), 'http://events.example.com/christmas/')
+        self.assertEqual(christmas_page.relative_url(events_site), '/christmas/')