package shared import ( "testing" "time" ) func TestPreciseAgo(t *testing.T) { const form = "2006-Jan-02 15:04:05" now, _ := time.Parse(form, "2021-Apr-12 14:00:00") cases := map[string]string{ "2021-Apr-12 14:00:00": "0s ago", "2021-Apr-12 13:59:30": "30s ago", "2021-Apr-12 13:59:00": "1m0s ago", "2021-Apr-12 13:30:15": "29m45s ago", "2021-Apr-12 13:00:00": "1h0m0s ago", "2021-Apr-12 02:30:45": "11h29m15s ago", "2021-Apr-11 14:00:00": "24h0m0s ago", "2021-Apr-01 14:00:00": "264h0m0s ago", "2021-Mar-12 14:00:00": "Mar 12, 2021", } for createdAt, expected := range cases { d, _ := time.Parse(form, createdAt) got := preciseAgo(now, d) if got != expected { t.Errorf("expected %s but got %s for %s", expected, got, createdAt) } } }