diff --git a/SatNOGS/base/tests/__init__.py b/SatNOGS/base/tests/__init__.py
new file mode 100644
index 0000000..101bb9b
--- /dev/null
+++ b/SatNOGS/base/tests/__init__.py
@@ -0,0 +1,87 @@
+import factory
+
+from datetime import timedelta
+from django.utils.timezone import now
+from factory import fuzzy
+
+from base.models import (ANTENNA_BANDS, ANTENNA_TYPES, MODE_CHOICES,
+                         Antenna, Satellite, Station, Transponder, Observation)
+from users.tests import UserFactory
+
+
+class TransponderFactory(factory.django.DjangoModelFactory):
+    """Transponder model factory."""
+    description = fuzzy.FuzzyText()
+    alive = fuzzy.FuzzyChoice(choices=[True, False])
+    uplink_low = fuzzy.FuzzyInteger(0, 100)
+    uplink_high = fuzzy.FuzzyInteger(0, 100)
+    downlink_low = fuzzy.FuzzyInteger(0, 100)
+    downlink_high = fuzzy.FuzzyInteger(0, 100)
+    mode = fuzzy.FuzzyChoice(choices=MODE_CHOICES)
+    invert = fuzzy.FuzzyChoice(choices=[True, False])
+    baud = fuzzy.FuzzyFloat(0, 100)
+
+    class Meta:
+        model = Transponder
+
+
+class AntennaFactory(factory.django.DjangoModelFactory):
+    """Antenna model factory."""
+    frequency = fuzzy.FuzzyFloat(0, 100)
+    band = fuzzy.FuzzyChoice(choices=ANTENNA_BANDS)
+    antenna_type = fuzzy.FuzzyChoice(choices=ANTENNA_TYPES)
+
+    class Meta:
+        model = Antenna
+
+
+class StationFactory(factory.django.DjangoModelFactory):
+    """Station model factory."""
+    owner = factory.SubFactory(UserFactory)
+    name = fuzzy.FuzzyText()
+    image = factory.django.ImageField()
+    alt = fuzzy.FuzzyInteger(0, 100)
+    lat = fuzzy.FuzzyFloat(-90, 90)
+    lng = fuzzy.FuzzyFloat(-180, 180)
+    featured = fuzzy.FuzzyChoice(choices=[True, False])
+
+    @factory.post_generation
+    def antennas(self, create, extracted, **kwargs):
+        if not create:
+            return
+
+        if extracted:
+            for antenna in extracted:
+                self.antenna.add(antenna)
+
+    class Meta:
+        model = Station
+
+
+class SatelliteFactory(factory.django.DjangoModelFactory):
+    """Sattelite model factory."""
+    norad_cat_id = fuzzy.FuzzyInteger(1, 4000)
+    name = fuzzy.FuzzyText()
+
+    @factory.post_generation
+    def transponders(self, create, extracted, **kwargs):
+        if not create:
+            return
+
+        if extracted:
+            for transponder in extracted:
+                self.transponders.add(transponder)
+
+    class Meta:
+        model = Satellite
+
+
+class ObservationFactory(factory.django.DjangoModelFactory):
+    """Observation model factory."""
+    satellite = factory.SubFactory(SatelliteFactory)
+    author = factory.SubFactory(UserFactory)
+    start = fuzzy.FuzzyDateTime(now() - timedelta(days=3), now())
+    end = fuzzy.FuzzyDateTime(now(), now() + timedelta(days=3))
+
+    class Meta:
+        model = Observation
diff --git a/SatNOGS/users/tests/__init__.py b/SatNOGS/users/tests/__init__.py
new file mode 100644
index 0000000..6bc01bb
--- /dev/null
+++ b/SatNOGS/users/tests/__init__.py
@@ -0,0 +1,39 @@
+import datetime
+import factory
+
+from factory import fuzzy
+
+from users.models import User
+
+
+def int2roman(n):
+    roman_map = (('M', 1000), ('CM', 900), ('D', 500), ('CD', 400),
+                 ('C', 100), ('XC', 90), ('L', 50), ('XL', 40), ('X', 10),
+                 ('IX', 9), ('V', 5), ('IV', 4), ('I', 1))
+
+    if not (0 < n < 5000):
+        raise Exception('Out of range error.')
+    result = ''
+    for numeral, integer in roman_map:
+        while n >= integer:
+            result += numeral
+            n -= integer
+    return result
+
+
+class UserFactory(factory.django.DjangoModelFactory):
+    """User model factory."""
+    username = factory.Sequence(lambda n: 'username%s' % n)
+    first_name = 'John'
+    last_name = factory.Sequence(lambda n: 'Doe %s' % int2roman(n))
+    email = factory.LazyAttribute(lambda o: '%s@example.com' % o.username)
+    password = factory.PostGenerationMethodCall('set_password', 'passwd')
+    is_staff = False
+    is_active = True
+    is_superuser = False
+    last_login = datetime.datetime(2012, 1, 1)
+    date_joined = datetime.datetime(2011, 1, 1)
+    bio = fuzzy.FuzzyText()
+
+    class Meta:
+        model = User
diff --git a/requirements/local.txt b/requirements/local.txt
index b6539af..ba0a69c 100644
--- a/requirements/local.txt
+++ b/requirements/local.txt
@@ -5,3 +5,4 @@ Sphinx
 # django-debug-toolbar that works with Django 1.5+
 django-debug-toolbar==1.2.1
 django-extensions
+factory_boy