cookie ready

internal/prestashop/config/config_test.go

@@ -17,3 +17,31 @@ func TestDeriveCookieNameMatchesFallbackPrestashopRule(t *testing.T) {
 		t.Fatalf("DeriveCookieName() = %q, want %q", got, want)
 	}
 }
+
+func TestDeriveCookieNameUsesDomainCookieOverride(t *testing.T) {
+	cfg := Config{
+		PrestaShopVersion: "1.7.3",
+		DomainCookie:      ".example.com",
+	}
+
+	got := cfg.DeriveCookieName("localhost")
+	sum := md5.Sum([]byte("1.7.3" + "ps-s1" + "example.com"))
+	want := fmt.Sprintf("PrestaShop-%x", sum)
+
+	if got != want {
+		t.Fatalf("DeriveCookieName() = %q, want %q", got, want)
+	}
+}
+
+func TestDeriveCookieNamePrefersExplicitCookieName(t *testing.T) {
+	cfg := Config{
+		PrestaShopVersion:    "1.7.3",
+		DomainCookie:         ".example.com",
+		PrestaShopCookieName: "PrestaShop-fixed",
+	}
+
+	got := cfg.DeriveCookieName("localhost")
+	if got != "PrestaShop-fixed" {
+		t.Fatalf("DeriveCookieName() = %q, want %q", got, "PrestaShop-fixed")
+	}
+}