diff --git a/passbook/sources/ldap/migrations/0003_default_ldap_property_mappings.py b/passbook/sources/ldap/migrations/0003_default_ldap_property_mappings.py
new file mode 100644
index 000000000..318952211
--- /dev/null
+++ b/passbook/sources/ldap/migrations/0003_default_ldap_property_mappings.py
@@ -0,0 +1,35 @@
+# Generated by Django 3.0.6 on 2020-05-23 19:30
+
+from django.apps.registry import Apps
+from django.db import migrations
+
+
+def create_default_ad_property_mappings(apps: Apps, schema_editor):
+    LDAPPropertyMapping = apps.get_model("passbook_sources_ldap", "LDAPPropertyMapping")
+    mapping = {
+        "name": "{{ ldap.name }}",
+        "first_name": "{{ ldap.givenName }}",
+        "last_name": "{{ ldap.sn }}",
+        "username": "{{ ldap.sAMAccountName }}",
+        "email": "{{ ldap.mail }}",
+    }
+    db_alias = schema_editor.connection.alias
+    for object_field, expression in mapping.items():
+        LDAPPropertyMapping.objects.using(db_alias).get_or_create(
+            expression=expression,
+            object_field=object_field,
+            defaults={
+                "name": f"Autogenerated LDAP Mapping: {expression} -> {object_field}"
+            },
+        )
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("passbook_sources_ldap", "0002_ldapsource_sync_users"),
+    ]
+
+    operations = [
+        migrations.RunPython(create_default_ad_property_mappings),
+    ]
diff --git a/passbook/sources/ldap/tests.py b/passbook/sources/ldap/tests.py
new file mode 100644
index 000000000..faa3f4177
--- /dev/null
+++ b/passbook/sources/ldap/tests.py
@@ -0,0 +1,75 @@
+"""LDAP Source tests"""
+from unittest.mock import PropertyMock, patch
+
+from django.test import TestCase
+from ldap3 import MOCK_SYNC, OFFLINE_AD_2012_R2, Connection, Server
+
+from passbook.core.models import User
+from passbook.sources.ldap.connector import Connector
+from passbook.sources.ldap.models import LDAPPropertyMapping, LDAPSource
+
+
+def _build_mock_connection() -> Connection:
+    """Create mock connection"""
+    server = Server("my_fake_server", get_info=OFFLINE_AD_2012_R2)
+    _pass = "foo"  # noqa # nosec
+    connection = Connection(
+        server,
+        user="cn=my_user,ou=test,o=lab",
+        password=_pass,
+        client_strategy=MOCK_SYNC,
+    )
+    connection.strategy.add_entry(
+        "cn=user0,ou=test,o=lab",
+        {
+            "userPassword": "test0000",
+            "sAMAccountName": "user0_sn",
+            "revision": 0,
+            "objectSid": "unique-test0000",
+            "objectCategory": "Person",
+        },
+    )
+    connection.strategy.add_entry(
+        "cn=user1,ou=test,o=lab",
+        {
+            "userPassword": "test1111",
+            "sAMAccountName": "user1_sn",
+            "revision": 0,
+            "objectSid": "unique-test1111",
+            "objectCategory": "Person",
+        },
+    )
+    connection.strategy.add_entry(
+        "cn=user2,ou=test,o=lab",
+        {
+            "userPassword": "test2222",
+            "sAMAccountName": "user2_sn",
+            "revision": 0,
+            "objectSid": "unique-test2222",
+            "objectCategory": "Person",
+        },
+    )
+    connection.bind()
+    return connection
+
+
+LDAP_CONNECTION_PATCH = PropertyMock(return_value=_build_mock_connection())
+
+
+class LDAPSourceTests(TestCase):
+    """LDAP Source tests"""
+
+    def setUp(self):
+        self.source = LDAPSource.objects.create(
+            name="ldap", slug="ldap", base_dn="o=lab"
+        )
+        self.source.property_mappings.set(LDAPPropertyMapping.objects.all())
+        self.source.save()
+
+    @patch("passbook.sources.ldap.models.LDAPSource.connection", LDAP_CONNECTION_PATCH)
+    def test_sync_users(self):
+        """Test user sync"""
+        connector = Connector(self.source)
+        connector.sync_users()
+        user = User.objects.filter(username="user2_sn")
+        self.assertTrue(user.exists())