snapshot of https://github.com/cortezaproject/corteza.git (2024.9.x, 2026-09-18; blobs > 131072B omitted)

server/pkg/slice/keys_test.go

@@ -0,0 +1,52 @@
+package slice
+
+import (
+	"fmt"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestKeys(t *testing.T) {
+	var (
+		cases = []struct {
+			name string
+			in   interface{}
+			out  string
+		}{
+			{
+				in: map[string]interface{}{"b": nil, "c": nil, "d": nil, "a": nil},
+				// warning! false booleans will not be set and that is ok!
+				out: "a,b,c,d",
+			},
+			{
+				in: map[int]interface{}{4: nil, 2: nil, 3: nil, 1: nil},
+				// warning! false booleans will not be set and that is ok!
+				out: "1,2,3,4",
+			},
+			{
+				in:  nil,
+				out: "",
+			},
+			{
+				in:  42,
+				out: "",
+			},
+		}
+	)
+
+	for _, c := range cases {
+		if c.name == "" && c.in != nil {
+			c.name = fmt.Sprintf("%T", c.in)
+		}
+
+		t.Run(c.name, func(t *testing.T) {
+			var (
+				req = require.New(t)
+			)
+
+			req.EqualValues(c.out, strings.Join(Keys(c.in), ","))
+		})
+	}
+}