package validationutil import ( "testing" ) func TestSanitizeID(t *testing.T) { tcs := []struct { name string id string want string }{ { name: "empty", id: "", want: "", }, { name: "no change", id: "abc123", want: "abc123", }, { name: "spaces", id: "a b c 1 2 3", want: "a_b_c_1_2_3", }, { name: "special characters", id: "a!b@c#1$2%3", want: "a_b_c_1_2_3", }, { name: "unicode", id: "a👍b👍c👍1👍2👍3", want: "a_b_c_1_2_3", }, } for _, tc := range tcs { t.Run(tc.name, func(t *testing.T) { got := SanitizeID(tc.id) if got != tc.want { t.Errorf("SanitizeID(%q) = %q, want %q", tc.id, got, tc.want) } }) } }