feat(app/edge-stacks): summarize the edge stack statuses in the backend (#818)

api/slicesx/slicesx_test.go

@@ -0,0 +1,29 @@
+package slicesx_test
+
+import (
+	"reflect"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+type libFunc[T, U, V any] func([]T, func(T) U) V
+type predicateFunc[T, U any] func(T) U
+
+func test[T, U, V any](t *testing.T, libFn libFunc[T, U, V], name string, input []T, expected V, predicate predicateFunc[T, U]) {
+	t.Helper()
+
+	t.Run(name, func(t *testing.T) {
+		is := assert.New(t)
+
+		result := libFn(input, predicate)
+
+		switch reflect.TypeOf(result).Kind() {
+		case reflect.Slice, reflect.Array:
+			is.Equal(expected, result)
+			is.ElementsMatch(expected, result)
+		default:
+			is.Equal(expected, result)
+		}
+	})
+}