yaml namespaces

yaml_test.go

@@ -0,0 +1,51 @@
+package storage
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestKeysDFS(t *testing.T) {
+	cases := map[string]struct {
+		input map[string]interface{}
+		want  [][]string
+	}{
+		"empty": {
+			input: map[string]interface{}{},
+			want:  [][]string{},
+		},
+		"top level non map keys": {
+			input: map[string]interface{}{"a": "b", "c": "d"},
+			want:  [][]string{},
+		},
+		"top level non map keys and map key": {
+			input: map[string]interface{}{"a": "b", "c": "d", "e": map[string]interface{}{"f": "g"}},
+			want:  [][]string{[]string{"e"}},
+		},
+		"top level non map keys and map key and nested, ignore empty nested": {
+			input: map[string]interface{}{
+				"a": "b",
+				"c": "d",
+				"e": map[string]interface{}{
+					"f": map[string]interface{}{"g": "h"},
+				},
+				"i": map[string]interface{}{},
+				"j": map[string]interface{}{"k": "l"},
+			},
+			want: [][]string{[]string{"e", "f"}, []string{"j"}},
+		},
+	}
+
+	for name, d := range cases {
+		c := d
+		t.Run(name, func(t *testing.T) {
+			got, err := keysDFS(c.input)
+			if err != nil {
+				t.Fatal(err)
+			}
+			if fmt.Sprintf("%+v", got) != fmt.Sprintf("%+v", c.want) {
+				t.Fatalf("want: %+v\ngot: %+v", c.want, got)
+			}
+		})
+	}
+}