diff --git a/base_partner_ref/__init__.py b/base_partner_ref/__init__.py
index 69f7bab..8a3fd4c 100644
--- a/base_partner_ref/__init__.py
+++ b/base_partner_ref/__init__.py
@@ -1,3 +1,4 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
 from . import models
+from . import tests
diff --git a/base_partner_ref/tests/__init__.py b/base_partner_ref/tests/__init__.py
new file mode 100644
index 0000000..ec062e2
--- /dev/null
+++ b/base_partner_ref/tests/__init__.py
@@ -0,0 +1,3 @@
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from . import test_partner
diff --git a/base_partner_ref/tests/test_partner.py b/base_partner_ref/tests/test_partner.py
new file mode 100644
index 0000000..80bc801
--- /dev/null
+++ b/base_partner_ref/tests/test_partner.py
@@ -0,0 +1,33 @@
+# Copyright 2020 Akretion
+# @author: Renato Lima <renato.lima@akretion.com.br>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from psycopg2 import IntegrityError
+
+from odoo.tools import mute_logger
+from odoo.tests.common import TransactionCase
+
+
+class TestPartner(TransactionCase):
+
+    def setUp(self):
+        super().setUp()
+        self.partner_values = {
+            'name': 'Akretion Test Partner',
+            'ref': '220',
+        }
+        self.partner = self._create_partner(self.partner_values)
+
+    def _create_partner(self, values):
+        return self.env['res.partner'].create(values)
+
+    def test_partners_same_ref(self):
+        """Check create two partners with same ref"""
+        with self.assertRaises(IntegrityError), mute_logger('odoo.sql_db'):
+            self._create_partner(self.partner_values)
+
+    def test_partner_get_name(self):
+        """Check partner name get"""
+        self.assertEqual(
+            self.partner._get_name(), '[220] Akretion Test Partner'
+        )