[FIX] purchase_last_price_info: Adapt tests according to company curr…

…ency

Depending on the installed modules, the company currency may be USD or EUR, affecting the
result of these tests. With this PR, the results are adjusted for both cases.

purchase_last_price_info/tests/test_purchase_last_price_info.py

@@ -9,15 +9,17 @@
 class TestPurchaseLastPriceInfo(common.TransactionCase):
     def setUp(self):
         super().setUp()
-        self.currency_usd = self.env.ref("base.USD")
-        self.currency_eur = self.env.ref("base.EUR")
+        usd = self.env.ref("base.USD")
+        eur = self.env.ref("base.EUR")
+        self.currency = self.env.ref("base.main_company").currency_id
+        self.currency_extra = eur if self.currency == usd else usd
         self.purchase_model = self.env["purchase.order"]
         self.purchase_line_model = self.env["purchase.order.line"]
         self.product = self.env.ref("product.consu_delivery_01")
         self.partner = self.env.ref("base.res_partner_1")
-        # Create custom rates to USD + EUR
-        self._create_currency_rate(self.currency_usd, "2000-01-01", 1.0)
-        self._create_currency_rate(self.currency_eur, "2000-01-01", 2.0)
+        # Create custom rates to currency + currency_extra
+        self._create_currency_rate(self.currency, "2000-01-01", 1.0)
+        self._create_currency_rate(self.currency_extra, "2000-01-01", 2.0)
 
     def _create_currency_rate(self, currency_id, name, rate):
         self.env["res.currency.rate"].create(
@@ -27,7 +29,7 @@ def _create_currency_rate(self, currency_id, name, rate):
     def test_purchase_last_price_info_demo(self):
         purchase_order = self.env.ref("purchase.purchase_order_6")
         purchase_order.write(
-            {"date_order": "2000-01-01", "currency_id": self.currency_usd.id}
+            {"date_order": "2000-01-01", "currency_id": self.currency.id}
         )
         purchase_order.button_confirm()
         purchase_lines = self.purchase_line_model.search(
@@ -51,14 +53,14 @@ def test_purchase_last_price_info_demo(self):
         self.assertEqual(
             first_purchase_line.currency_id, self.product.last_purchase_currency_id
         )
-        self.assertEqual(self.product.last_purchase_currency_id, self.currency_usd)
+        self.assertEqual(self.product.last_purchase_currency_id, self.currency)
         self.assertEqual(self.product.last_purchase_price_currency, 1.0)
 
     def test_purchase_last_price_info_new_order(self):
         purchase_order = self.purchase_model.create(
             {
                 "date_order": "2000-01-01",
-                "currency_id": self.currency_eur.id,
+                "currency_id": self.currency_extra.id,
                 "partner_id": self.partner.id,
                 "order_line": [
                     (
@@ -83,8 +85,11 @@ def test_purchase_last_price_info_new_order(self):
         )
         first_order_line = fields.first(purchase_order.order_line)
         self.assertEqual(first_order_line.price_unit, self.product.last_purchase_price)
-        self.assertEqual(first_order_line.price_unit, self.product.last_purchase_price)
-        self.assertEqual(self.product.last_purchase_currency_id, self.currency_eur)
+        self.assertEqual(
+            first_order_line.currency_id,
+            self.product.last_purchase_currency_id,
+        )
+        self.assertEqual(self.product.last_purchase_currency_id, self.currency_extra)
         self.assertEqual(self.product.last_purchase_price_currency, 2.0)
         self.assertEqual(self.partner, self.product.last_purchase_supplier_id)
         purchase_order.button_cancel()