Define identified configuration resources

internal/configuration/load_test.go

@@ -12,6 +12,27 @@ func mapping(label string, values map[string]any) configkit.Input {
 	return configkit.Input{Source: configkit.Mapping(label, values)}
 }
 
+func TestLoadIdentifiedResourceLists(t *testing.T) {
+	for _, header := range []bool{false, true} {
+		values := map[string]any{
+			"backends": []any{map[string]any{"id": "local", "endpoint": "https://example.invalid/v1"}},
+			"collections": map[string]any{"team": map[string]any{
+				"backends": []any{map[string]any{"id": "local", "endpoint": "https://example.invalid/v1"}},
+			}},
+		}
+		if header {
+			values["version"] = "2"
+		}
+		loaded, err := load(mapping("identified resources", values), nil)
+		if err != nil {
+			t.Fatalf("load identified resources with header %t: %v", header, err)
+		}
+		if loaded.result.Config.Backends[0].ID != "local" || loaded.result.Config.Collections["team"].Backends[0].ID != "local" {
+			t.Fatal("identified root and collection resources were not retained")
+		}
+	}
+}
+
 func TestLoadChecksOptionalConfigurationVersion(t *testing.T) {
 	for _, test := range []struct {
 		name    string