diff --git a/partner_sale_target/tests/__init__.py b/partner_sale_target/tests/__init__.py
new file mode 100644
index 00000000..489561e2
--- /dev/null
+++ b/partner_sale_target/tests/__init__.py
@@ -0,0 +1,4 @@
+# © 2023 - Numigi (tm) and all its contributors (https://bit.ly/numigiens)
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl).
+
+from . import test_partner_sale_target
diff --git a/partner_sale_target/tests/test_partner_sale_target.py b/partner_sale_target/tests/test_partner_sale_target.py
new file mode 100644
index 00000000..026bdf98
--- /dev/null
+++ b/partner_sale_target/tests/test_partner_sale_target.py
@@ -0,0 +1,110 @@
+# © 2023 - Numigi (tm) and all its contributors (https://bit.ly/numigiens)
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl).
+
+from odoo.tests.common import SavepointCase
+from odoo.exceptions import ValidationError
+from odoo import fields
+
+
+class TestPartnerSaleTarget(SavepointCase):
+    @classmethod
+    def setUpClass(cls):
+        super().setUpClass()
+
+        cls.partner = cls.env["res.partner"].create(
+            {
+                "name": "Test Partner",
+                "company_type": "company"
+            }
+        )
+
+        cls.target_1 = cls.env["sale.target"].create(
+            {
+                "partner_id": cls.partner.id,
+                "date_start": "2023-01-01",
+                "date_end": fields.Date.today(),
+                "sale_target": 500,
+            }
+        )
+
+        cls.sale_order_1 = cls.env["sale.order"].create(
+            {
+                "partner_id": cls.partner.id,
+                "date_order": "2023-06-01",
+                "order_line": [
+                    (
+                        0,
+                        0,
+                        {
+                            "product_id": cls.env.ref("product.product_product_4").id,
+                            "product_uom_qty": 1,
+                            "price_unit": 100,
+                        },
+                    )
+                ],
+            }
+        )
+        cls.sale_order_1.action_confirm()
+        cls.sale_order_1.write({"date_order": "2023-06-20"})
+
+    def test_is_sale_target_allowed_contact(self):
+        self.assertTrue(self.partner.is_sale_target_allowed_contact)
+
+    def test_realized_target_calculation(self):
+        self.assertEqual(self.target_1.realized_target, 100)
+
+    def test_current_sale_target_and_realized(self):
+        self.target_1.write({
+            "date_start": "2023-01-02",
+        })
+
+        # Keep in mind that the current sale target is the sum of all sale targets
+        # that are active today or have an end date greater than today
+        # so even having old sale targets, the current sale must be the same
+        self.assertEqual(self.partner.current_sale_target, 500)
+        self.assertEqual(self.partner.current_realized_target, 0.2)  # 100/500
+
+    def test_create_new_target(self):
+        target_2 = self.env["sale.target"].create(
+            {
+                "partner_id": self.partner.id,
+                "date_start": "2022-01-01",
+                "date_end": "2022-05-20",
+                "sale_target": 300,
+            }
+        )
+
+        sale_order_2 = self.env["sale.order"].create(
+            {
+                "partner_id": self.partner.id,
+                "date_order": "2022-02-01",
+                "order_line": [
+                    (
+                        0,
+                        0,
+                        {
+                            "product_id": self.env.ref("product.product_product_4").id,
+                            "product_uom_qty": 1,
+                            "price_unit": 200,
+                        },
+                    )
+                ],
+            }
+        )
+        sale_order_2.action_confirm()
+        sale_order_2.write({"date_order": "2022-02-20"})
+
+        self.assertEqual(target_2.realized_target, 200)
+        self.assertEqual(self.partner.current_sale_target, 500)
+        self.assertEqual(self.partner.current_realized_target, 0.2)
+
+    def test_overlapping_target_validation(self):
+        with self.assertRaises(ValidationError):
+            self.env["sale.target"].create(
+                {
+                    "partner_id": self.partner.id,
+                    "date_start": "2023-06-01",
+                    "date_end": fields.Date.today(),
+                    "sale_target": 500,
+                }
+            )
diff --git a/partner_sale_target_change_parent_binding/tests/__init__.py b/partner_sale_target_change_parent_binding/tests/__init__.py
new file mode 100644
index 00000000..1635847d
--- /dev/null
+++ b/partner_sale_target_change_parent_binding/tests/__init__.py
@@ -0,0 +1,4 @@
+# © 2023 Numigi (tm) and all its contributors (https://bit.ly/numigiens)
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl).
+
+from . import test_partner_change_parent
diff --git a/partner_sale_target_change_parent_binding/tests/test_partner_change_parent.py b/partner_sale_target_change_parent_binding/tests/test_partner_change_parent.py
new file mode 100644
index 00000000..33adb7cc
--- /dev/null
+++ b/partner_sale_target_change_parent_binding/tests/test_partner_change_parent.py
@@ -0,0 +1,44 @@
+# © 2023 Numigi (tm) and all its contributors (https://bit.ly/numigiens)
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl).
+
+from odoo.tests.common import SavepointCase
+
+
+class TestPartnerChangeParent(SavepointCase):
+    @classmethod
+    def setUpClass(cls):
+        super().setUpClass()
+
+    def test_partner_change_parent_binding(self):
+        partner = self.env["res.partner"].create(
+            {
+                "name": "Test Partner",
+                "company_type": "person",
+            }
+        )
+
+        self.env["sale.target"].create(
+            {
+                "partner_id": partner.id,
+                "date_start": "2023-01-01",
+                "date_end": "2023-12-31",
+                "sale_target": 500,
+            }
+        )
+
+        wizard = (
+            self.env["res.partner.change.parent"]
+            .with_context(active_id=partner.id)
+            .create(
+                {
+                    "contact_id": partner.id,
+                }
+            )
+        )
+        wizard.new_company_id = self.env.ref("base.res_partner_1").id
+        # Check if _onchange_new_company_id is triggered and return a warning
+        warning_message = wizard._onchange_new_company_id()
+        self.assertEqual(
+            warning_message["warning"]["title"],
+            "Warning",
+        )