feat: lazysecrets list's JSON says when an entry was last used, and how often

internal/listing/listing_test.go

@@ -229,11 +229,14 @@ func TestListMarks(t *testing.T) {
 	az := fake.Azure(0)
 	var starredLink string
 	got, _, _ := run(t, Options{Providers: []provider.Provider{az}, MaxAge: time.Minute, Kinds: []string{"secret"},
-		Mark: func(link, account string) (bool, bool) {
+		Mark: func(link, account string) (bool, time.Time, int) {
 			if starredLink == "" && strings.HasSuffix(link, "/db-password") {
 				starredLink = link
 			}
-			return link == starredLink && account == az.ID(), strings.HasSuffix(link, "/api-key")
+			if strings.HasSuffix(link, "/api-key") {
+				return false, time.Now(), 3
+			}
+			return link == starredLink && account == az.ID(), time.Time{}, 0
 		}})
 	var starred, recent int
 	for _, e := range got {
@@ -245,6 +248,11 @@ func TestListMarks(t *testing.T) {
 		}
 		if e.Recent {
 			recent++
+			if e.Uses != 3 || e.LastUsed.IsZero() {
+				t.Errorf("%s: %d uses, last %v", e.Link, e.Uses, e.LastUsed)
+			}
+		} else if e.Uses != 0 || !e.LastUsed.IsZero() {
+			t.Errorf("%s not recent, but %d uses, last %v", e.Link, e.Uses, e.LastUsed)
 		}
 	}
 	if starred != 1 || recent == 0 {