feat: public API, SEO and existing surfaces

test/localization_ordering_domain_test.go

@@ -0,0 +1,50 @@
+package test
+
+import (
+	"RenewCMS/internal/domain/localization"
+	"reflect"
+	"testing"
+)
+
+func TestLocalizationCompareTags(t *testing.T) {
+	examples := []struct {
+		name  string
+		left  string
+		right string
+		want  int
+	}{
+		{"same tag", "fr", "fr", 0},
+		{"same default tag", "en", "en", 0},
+		{"default first", "en", "de", -1},
+		{"default last argument", "de", "en", 1},
+		{"alphabetical before", "de", "fr", -1},
+		{"alphabetical after", "fr", "de", 1},
+	}
+	for _, example := range examples {
+		t.Run(example.name, func(t *testing.T) {
+			if got := localization.CompareTags("en", example.left, example.right); got != example.want {
+				t.Errorf("CompareTags(%q, %q) = %d, want %d", example.left, example.right, got, example.want)
+			}
+		})
+	}
+}
+
+func TestLocalizationBuildViewOrdersDefaultThenEnabledThenTag(t *testing.T) {
+	rows := []localization.Row{
+		{Tag: "pt", Enabled: false, Confirmed: true},
+		{Tag: "fr", Enabled: true, Confirmed: true},
+		{Tag: "es", Enabled: false, Confirmed: true},
+		{Tag: "en", IsDefault: true, Enabled: true, Confirmed: true},
+		{Tag: "de", Enabled: true, Confirmed: true},
+	}
+
+	view := localization.BuildView(rows, map[string]localization.VersionCount{}, nil)
+
+	order := []string{}
+	for _, language := range view.Languages {
+		order = append(order, language.Lang)
+	}
+	if want := []string{"en", "de", "fr", "es", "pt"}; !reflect.DeepEqual(order, want) {
+		t.Errorf("order = %v, want %v", order, want)
+	}
+}