diff --git a/wagtail/wagtailsearch/backends/__init__.py b/wagtail/wagtailsearch/backends/__init__.py
index ee037497b5..b1b991066b 100644
--- a/wagtail/wagtailsearch/backends/__init__.py
+++ b/wagtail/wagtailsearch/backends/__init__.py
@@ -4,7 +4,9 @@
 
 from importlib import import_module
 from django.utils import six
+import sys
 from django.conf import settings
+from base import InvalidSearchBackendError
 
 
 # Pinched from django 1.7 source code.
@@ -45,8 +47,13 @@ def get_search_backend(backend='default', **kwargs):
         # Try to get the WAGTAILSEARCH_BACKENDS entry for the given backend name first
         conf = WAGTAILSEARCH_BACKENDS[backend]
     except KeyError:
-        raise InvalidSearchBackendError("Could not find backend '%s': %s" % (
-            backend, e))
+        try:
+            # Trying to import the given backend, in case it's a dotted path
+            import_string(backend)
+        except ImportError as e:
+            raise InvalidSearchBackendError("Could not find backend '%s': %s" % (
+                backend, e))
+        params = kwargs
     else:
         # Backend is a conf entry
         params = conf.copy()
diff --git a/wagtail/wagtailsearch/backends/db.py b/wagtail/wagtailsearch/backends/db.py
index ad16b082bf..419d8a99be 100644
--- a/wagtail/wagtailsearch/backends/db.py
+++ b/wagtail/wagtailsearch/backends/db.py
@@ -47,6 +47,13 @@ class DBSearch(BaseSearch):
         for term in terms:
             term_query = None
             for field_name in fields:
+                # Check if the field exists (this will filter out indexed callables)
+                try:
+                    model._meta.get_field_by_name(field_name)
+                except:
+                    continue
+
+                # Filter on this field
                 field_filter = {'%s__icontains' % field_name: term}
                 if term_query is None:
                     term_query = models.Q(**field_filter)
diff --git a/wagtail/wagtailsearch/backends/elasticsearch.py b/wagtail/wagtailsearch/backends/elasticsearch.py
index 56fa2b04dd..00c1bda0e9 100644
--- a/wagtail/wagtailsearch/backends/elasticsearch.py
+++ b/wagtail/wagtailsearch/backends/elasticsearch.py
@@ -178,9 +178,11 @@ class ElasticSearch(BaseSearch):
             type_set[obj_type].append(obj.indexed_build_document())
 
         # Loop through each type and bulk add them
+        results = []
         for type_name, type_objects in type_set.items():
-            print type_name, len(type_objects)
+            results.append((type_name, len(type_objects)))
             self.es.bulk_index(self.es_index, type_name, type_objects)
+        return results
 
     def delete(self, obj):
         # Object must be a decendant of Indexed and be a django model
diff --git a/wagtail/wagtailsearch/management/commands/search_garbage_collect.py b/wagtail/wagtailsearch/management/commands/search_garbage_collect.py
index ae37534b4b..08d8d8c1b5 100644
--- a/wagtail/wagtailsearch/management/commands/search_garbage_collect.py
+++ b/wagtail/wagtailsearch/management/commands/search_garbage_collect.py
@@ -6,11 +6,11 @@ from wagtail.wagtailsearch import models
 class Command(NoArgsCommand):
     def handle_noargs(self, **options):
         # Clean daily hits
-        print "Cleaning daily hits records... ",
+        self.stdout.write("Cleaning daily hits records... ")
         models.QueryDailyHits.garbage_collect()
-        print "Done"
+        self.stdout.write("Done")
 
         # Clean queries
-        print "Cleaning query records... ",
+        self.stdout.write("Cleaning query records... ")
         models.Query.garbage_collect()
-        print "Done"
+        self.stdout.write("Done")
diff --git a/wagtail/wagtailsearch/management/commands/update_index.py b/wagtail/wagtailsearch/management/commands/update_index.py
index 7e901bf813..522e206236 100644
--- a/wagtail/wagtailsearch/management/commands/update_index.py
+++ b/wagtail/wagtailsearch/management/commands/update_index.py
@@ -1,13 +1,13 @@
-from django.core.management.base import NoArgsCommand
+from django.core.management.base import BaseCommand
 from django.db import models
 
 from wagtail.wagtailsearch import Indexed, get_search_backend
 
 
-class Command(NoArgsCommand):
-    def handle_noargs(self, **options):
+class Command(BaseCommand):
+    def handle(self, backend='default', **options):
         # Print info
-        print "Getting object list"
+        self.stdout.write("Getting object list")
 
         # Get list of indexed models
         indexed_models = [model for model in models.get_models() if issubclass(model, Indexed)]
@@ -46,21 +46,24 @@ class Command(NoArgsCommand):
                     object_set[key] = obj
 
         # Search backend
-        s = get_search_backend()
+        s = get_search_backend(backend=backend)
 
         # Reset the index
-        print "Reseting index"
+        self.stdout.write("Reseting index")
         s.reset_index()
 
         # Add types
-        print "Adding types"
+        self.stdout.write("Adding types")
         for model in indexed_models:
             s.add_type(model)
 
         # Add objects to index
-        print "Adding objects"
-        s.add_bulk(object_set.values())
+        self.stdout.write("Adding objects")
+        results = s.add_bulk(object_set.values())
+        if results:
+            for result in results:
+                self.stdout.write(result[0] + ' ' + str(result[1]))
 
         # Refresh index
-        print "Refreshing index"
+        self.stdout.write("Refreshing index")
         s.refresh_index()
diff --git a/wagtail/wagtailsearch/models.py b/wagtail/wagtailsearch/models.py
index 79aa38f511..8527cfe579 100644
--- a/wagtail/wagtailsearch/models.py
+++ b/wagtail/wagtailsearch/models.py
@@ -16,11 +16,16 @@ class Query(models.Model):
 
         super(Query, self).save(*args, **kwargs)
 
-    def add_hit(self):
-        daily_hits, created = QueryDailyHits.objects.get_or_create(query=self, date=timezone.now().date())
+    def add_hit(self, date=None):
+        if date is None:
+            date = timezone.now().date()
+        daily_hits, created = QueryDailyHits.objects.get_or_create(query=self, date=date)
         daily_hits.hits = models.F('hits') + 1
         daily_hits.save()
 
+    def __unicode__(self):
+        return self.query_string
+
     @property
     def hits(self):
         return self.daily_hits.aggregate(models.Sum('hits'))['hits__sum']
@@ -38,6 +43,7 @@ class Query(models.Model):
 
     @classmethod
     def get_most_popular(cls, date_since=None):
+        # TODO: Implement date_since
         return cls.objects.filter(daily_hits__isnull=False).annotate(_hits=models.Sum('daily_hits__hits')).distinct().order_by('-_hits')
 
     @staticmethod
@@ -49,7 +55,7 @@ class Query(models.Model):
         query_string = ''.join([c for c in query_string if c not in string.punctuation])
 
         # Remove double spaces
-        ' '.join(query_string.split())
+        query_string = ' '.join(query_string.split())
 
         return query_string
 
@@ -90,10 +96,18 @@ class SearchTest(models.Model, Indexed):
     title = models.CharField(max_length=255)
     content = models.TextField()
 
-    indexed_fields = ("title", "content")
+    indexed_fields = ("title", "content", "callable_indexed_field")
 
     title_search = Searcher(["title"])
 
+    def object_indexed(self):
+        if self.title == "Don't index me!":
+            return False
+        return True
+
+    def callable_indexed_field(self):
+        return "Callable"
+
 
 class SearchTestChild(SearchTest):
     extra_content = models.TextField()
diff --git a/wagtail/wagtailsearch/searcher.py b/wagtail/wagtailsearch/searcher.py
index 24510c257b..0861390fcd 100644
--- a/wagtail/wagtailsearch/searcher.py
+++ b/wagtail/wagtailsearch/searcher.py
@@ -8,7 +8,17 @@ class Searcher(object):
 
     def __get__(self, instance, cls):
         def dosearch(query_string, **kwargs):
+            # Get backend
+            if 'backend' in kwargs:
+                backend = kwargs['backend']
+                del kwargs['backend']
+            else:
+                backend = 'default'
+
+            # Build search kwargs
             search_kwargs = dict(model=cls, fields=self.fields, filters=self.filters)
             search_kwargs.update(kwargs)
-            return get_search_backend().search(query_string, **search_kwargs)
+
+            # Run search
+            return get_search_backend(backend=backend).search(query_string, **search_kwargs)
         return dosearch
diff --git a/wagtail/wagtailsearch/tests.py b/wagtail/wagtailsearch/tests.py
index ca6e71994a..6849d3907f 100644
--- a/wagtail/wagtailsearch/tests.py
+++ b/wagtail/wagtailsearch/tests.py
@@ -1,13 +1,56 @@
 from django.test import TestCase
+from django.utils import timezone
+from django.core import management
+from django.conf import settings
 
-import models
-from wagtail.wagtailsearch.backends import get_search_backend()
+import datetime
+import unittest
+from StringIO import StringIO
+
+from wagtail.wagtailcore import models as core_models
+from wagtail.wagtailsearch import models
+from wagtail.wagtailsearch.backends import get_search_backend
+
+from wagtail.wagtailsearch.backends.base import InvalidSearchBackendError
+from wagtail.wagtailsearch.backends.db import DBSearch
+from wagtail.wagtailsearch.backends.elasticsearch import ElasticSearch
+
+
+def find_backend(cls):
+    if not hasattr(settings, 'WAGTAILSEARCH_BACKENDS') and cls == DBSearch:
+        return 'default'
+
+    for backend in settings.WAGTAILSEARCH_BACKENDS.keys():
+        if isinstance(get_search_backend(backend), cls):
+            return backend
 
 
 class TestSearch(TestCase):
-    def test_search(self):
-        # Create search backend and reset the index
-        s = get_search_backend()
+    def __init__(self, *args, **kwargs):
+        super(TestSearch, self).__init__(*args, **kwargs)
+
+        self.backends_tested = []
+
+    def test_backend_loader(self):
+        # Test DB backend import
+        db = get_search_backend(backend='wagtail.wagtailsearch.backends.db.DBSearch')
+        self.assertIsInstance(db, DBSearch)
+
+        # Test Elastic search backend import
+        elasticsearch = get_search_backend(backend='wagtail.wagtailsearch.backends.elasticsearch.ElasticSearch')
+        self.assertIsInstance(elasticsearch, ElasticSearch)
+
+        # Test loading a non existant backend
+        self.assertRaises(InvalidSearchBackendError, get_search_backend, backend='wagtail.wagtailsearch.backends.doesntexist.DoesntExist')
+
+    def test_search(self, backend='default'):
+        # Don't test the same backend more than once!
+        if backend in self.backends_tested:
+            return
+        self.backends_tested.append(backend)
+
+        # Get search backend and reset the index
+        s = get_search_backend(backend=backend)
         s.reset_index()
 
         # Create a couple of objects and add them to the index
@@ -33,12 +76,29 @@ class TestSearch(TestCase):
         results = s.search("Hello", models.SearchTest)
         self.assertEqual(len(results), 3)
 
-          # Ordinary search on "World"
+        # Retrieve single result
+        self.assertIsInstance(results[0], models.SearchTest)
+
+        # Retrieve results through iteration
+        iterations = 0
+        for result in results:
+            self.assertIsInstance(result, models.SearchTest)
+            iterations += 1
+        self.assertEqual(iterations, 3)
+
+        # Retrieve results through slice
+        iterations = 0
+        for result in results[:]:
+            self.assertIsInstance(result, models.SearchTest)
+            iterations += 1
+        self.assertEqual(iterations, 3)
+
+        # Ordinary search on "World"
         results = s.search("World", models.SearchTest)
         self.assertEqual(len(results), 1)
 
         # Searcher search
-        results = models.SearchTest.title_search("Hello")
+        results = models.SearchTest.title_search("Hello", backend=backend)
         self.assertEqual(len(results), 3)
 
         # Ordinary search on child
@@ -46,5 +106,178 @@ class TestSearch(TestCase):
         self.assertEqual(len(results), 1)
 
         # Searcher search on child
-        results = models.SearchTestChild.title_search("Hello")
+        results = models.SearchTestChild.title_search("Hello", backend=backend)
         self.assertEqual(len(results), 1)
+
+        # Reset the index, this should clear out the index (but doesn't have to!)
+        s.reset_index()
+
+        # Run update_index command
+        management.call_command('update_index', backend, interactive=False, stdout=StringIO())
+
+        # Should have results again now
+        results = s.search("Hello", models.SearchTest)
+        self.assertEqual(len(results), 3)
+
+    def test_db_backend(self):
+        self.test_search(backend='wagtail.wagtailsearch.backends.db.DBSearch')
+
+    def test_elastic_search_backend(self):
+        backend = find_backend(ElasticSearch)
+
+        if backend is not None:
+            self.test_search(backend)
+        else:
+            print "WARNING: Cannot find an ElasticSearch search backend in configuration. Not testing."
+
+    def test_query_hit_counter(self):
+        # Add 10 hits to hello query
+        for i in range(10):
+            models.Query.get("Hello").add_hit()
+
+        # Check that each hit was registered
+        self.assertEqual(models.Query.get("Hello").hits, 10)
+
+    def test_query_string_normalisation(self):
+        # Get a query
+        query = models.Query.get("Hello World!")
+
+        # Check queries that should be the same
+        self.assertEqual(query, models.Query.get("Hello World"))
+        self.assertEqual(query, models.Query.get("Hello  World!!"))
+        self.assertEqual(query, models.Query.get("hello world"))
+        self.assertEqual(query, models.Query.get("Hello' world"))
+
+        # Check queries that should be different
+        self.assertNotEqual(query, models.Query.get("HelloWorld"))
+        self.assertNotEqual(query, models.Query.get("Hello orld!!"))
+        self.assertNotEqual(query, models.Query.get("Hello"))
+
+    def test_query_popularity(self):
+        # Add 3 hits to unpopular query
+        for i in range(3):
+            models.Query.get("unpopular query").add_hit()
+
+        # Add 10 hits to popular query
+        for i in range(10):
+            models.Query.get("popular query").add_hit()
+
+        # Get most popular queries
+        popular_queries = models.Query.get_most_popular()
+
+        # Check list
+        self.assertEqual(popular_queries.count(), 2)
+        self.assertEqual(popular_queries[0], models.Query.get("popular query"))
+        self.assertEqual(popular_queries[1], models.Query.get("unpopular query"))
+
+        # Add 5 hits to little popular query
+        for i in range(5):
+            models.Query.get("little popular query").add_hit()
+
+        # Check list again, little popular query should be in the middle
+        self.assertEqual(popular_queries.count(), 3)
+        self.assertEqual(popular_queries[0], models.Query.get("popular query"))
+        self.assertEqual(popular_queries[1], models.Query.get("little popular query"))
+        self.assertEqual(popular_queries[2], models.Query.get("unpopular query"))
+
+        # Unpopular query goes viral!
+        for i in range(20):
+            models.Query.get("unpopular query").add_hit()
+
+        # Unpopular query should be most popular now
+        self.assertEqual(popular_queries.count(), 3)
+        self.assertEqual(popular_queries[0], models.Query.get("unpopular query"))
+        self.assertEqual(popular_queries[1], models.Query.get("popular query"))
+        self.assertEqual(popular_queries[2], models.Query.get("little popular query"))
+
+    @unittest.expectedFailure # Time based popularity isn't implemented yet
+    def test_query_popularity_over_time(self):
+        today = timezone.now().date()
+        two_days_ago = today - datetime.timedelta(days=2)
+        a_week_ago = today - datetime.timedelta(days=7)
+        a_month_ago = today - datetime.timedelta(days=30)
+
+        # Add 10 hits to a query that was very popular query a month ago
+        for i in range(10):
+            models.Query.get("old popular query").add_hit(date=a_month_ago)
+
+        # Add 5 hits to a query that is was popular 2 days ago
+        for i in range(5):
+            models.Query.get("new popular query").add_hit(date=two_days_ago)
+
+        # Get most popular queries
+        popular_queries = models.Query.get_most_popular()
+
+        # Old popular query should be most popular
+        self.assertEqual(popular_queries.count(), 2)
+        self.assertEqual(popular_queries[0], models.Query.get("old popular query"))
+        self.assertEqual(popular_queries[1], models.Query.get("new popular query"))
+
+        # Get most popular queries for past week
+        past_week_popular_queries = models.Query.get_most_popular(date_since=a_week_ago)
+
+        # Only new popular query should be in this list
+        self.assertEqual(past_week_popular_queries.count(), 1)
+        self.assertEqual(past_week_popular_queries[0], models.Query.get("new popular query"))
+
+        # Old popular query gets a couple more hits!
+        for i in range(2):
+            models.Query.get("old popular query").add_hit()
+
+        # Old popular query should now be in the most popular queries
+        self.assertEqual(past_week_popular_queries.count(), 2)
+        self.assertEqual(past_week_popular_queries[0], models.Query.get("new popular query"))
+        self.assertEqual(past_week_popular_queries[1], models.Query.get("old popular query"))
+
+    def test_editors_picks(self):
+        # Get root page
+        root = core_models.Page.objects.first()
+
+        # Create an editors pick to the root page
+        models.EditorsPick.objects.create(
+            query=models.Query.get("root page"),
+            page=root,
+            sort_order=0,
+            description="First editors pick",
+        )
+
+        # Get editors pick
+        self.assertEqual(models.Query.get("root page").editors_picks.count(), 1)
+        self.assertEqual(models.Query.get("root page").editors_picks.first().page, root)
+
+        # Create a couple more editors picks to test the ordering
+        models.EditorsPick.objects.create(
+            query=models.Query.get("root page"),
+            page=root,
+            sort_order=2,
+            description="Last editors pick",
+        )
+        models.EditorsPick.objects.create(
+            query=models.Query.get("root page"),
+            page=root,
+            sort_order=1,
+            description="Middle editors pick",
+        )
+
+        # Check
+        self.assertEqual(models.Query.get("root page").editors_picks.count(), 3)
+        self.assertEqual(models.Query.get("root page").editors_picks.first().description, "First editors pick")
+        self.assertEqual(models.Query.get("root page").editors_picks.last().description, "Last editors pick")
+
+        # Add editors pick with different terms
+        models.EditorsPick.objects.create(
+            query=models.Query.get("root page 2"),
+            page=root,
+            sort_order=0,
+            description="Other terms",
+        )
+
+        # Check
+        self.assertEqual(models.Query.get("root page 2").editors_picks.count(), 1)
+        self.assertEqual(models.Query.get("root page").editors_picks.count(), 3)
+
+    def test_garbage_collect(self):
+        pass
+
+    def test_suggestions(self):
+        pass