feat: added product filter tests

shop/tests/api/test_product_filters.py

@@ -0,0 +1,30 @@
+from decimal import Decimal
+
+from django.test import TestCase
+
+from shop.tests.mixins import CreateProductsMixin
+from shop.models import Product
+from shop.filters import ProductFilter
+
+
+class TestProductFilter(TestCase, CreateProductsMixin):
+    def setUp(self):
+        product_a = self.create_product(name="producto 1", sku='001', price=Decimal("40.00"))
+        product_b = self.create_product(name="producto 2", sku='002', price=Decimal("70.00"))
+        product_c = self.create_product(name="producto 3", sku='003', price=Decimal("100.00"))
+
+    def test_product_filter_by_price(self):
+        f = ProductFilter({"price_gt": "40"})
+        f.is_valid()
+        qs = f.filter_queryset(Product.objects.all())
+        assert qs.count() == 3
+
+        f = ProductFilter({"price_lt": "40"})
+        f.is_valid()
+        qs = f.filter_queryset(Product.objects.all())
+        assert qs.count() == 0
+
+        f = ProductFilter({"price_gt": "100"})
+        f.is_valid()
+        qs = f.filter_queryset(Product.objects.all())
+        assert qs.count() == 1