test: optimize gateway infra memory and security coverage

src/infra/format-time/format-time.test.ts

@@ -17,37 +17,26 @@ describe("format-duration", () => {
       expect(formatDurationCompact(-100)).toBeUndefined();
     });
 
-    it("formats milliseconds for sub-second durations", () => {
-      expect(formatDurationCompact(500)).toBe("500ms");
-      expect(formatDurationCompact(999)).toBe("999ms");
-    });
-
-    it("formats seconds", () => {
-      expect(formatDurationCompact(1000)).toBe("1s");
-      expect(formatDurationCompact(45000)).toBe("45s");
-      expect(formatDurationCompact(59000)).toBe("59s");
-    });
-
-    it("formats minutes and seconds", () => {
-      expect(formatDurationCompact(60000)).toBe("1m");
-      expect(formatDurationCompact(65000)).toBe("1m5s");
-      expect(formatDurationCompact(90000)).toBe("1m30s");
-    });
-
-    it("omits trailing zero components", () => {
-      expect(formatDurationCompact(60000)).toBe("1m"); // not "1m0s"
-      expect(formatDurationCompact(3600000)).toBe("1h"); // not "1h0m"
-      expect(formatDurationCompact(86400000)).toBe("1d"); // not "1d0h"
-    });
-
-    it("formats hours and minutes", () => {
-      expect(formatDurationCompact(3660000)).toBe("1h1m");
-      expect(formatDurationCompact(5400000)).toBe("1h30m");
-    });
-
-    it("formats days and hours", () => {
-      expect(formatDurationCompact(90000000)).toBe("1d1h");
-      expect(formatDurationCompact(172800000)).toBe("2d");
+    it("formats compact units and omits trailing zero components", () => {
+      const cases = [
+        [500, "500ms"],
+        [999, "999ms"],
+        [1000, "1s"],
+        [45000, "45s"],
+        [59000, "59s"],
+        [60000, "1m"], // not "1m0s"
+        [65000, "1m5s"],
+        [90000, "1m30s"],
+        [3600000, "1h"], // not "1h0m"
+        [3660000, "1h1m"],
+        [5400000, "1h30m"],
+        [86400000, "1d"], // not "1d0h"
+        [90000000, "1d1h"],
+        [172800000, "2d"],
+      ] as const;
+      for (const [input, expected] of cases) {
+        expect(formatDurationCompact(input), String(input)).toBe(expected);
+      }
     });
 
     it("supports spaced option", () => {
@@ -65,25 +54,27 @@ describe("format-duration", () => {
   });
 
   describe("formatDurationHuman", () => {
-    it("returns fallback for invalid input", () => {
+    it("returns fallback for invalid duration input", () => {
       for (const value of [null, undefined, -100]) {
         expect(formatDurationHuman(value)).toBe("n/a");
       }
       expect(formatDurationHuman(null, "unknown")).toBe("unknown");
     });
 
-    it("formats single unit", () => {
-      expect(formatDurationHuman(500)).toBe("500ms");
-      expect(formatDurationHuman(5000)).toBe("5s");
-      expect(formatDurationHuman(180000)).toBe("3m");
-      expect(formatDurationHuman(7200000)).toBe("2h");
-      expect(formatDurationHuman(172800000)).toBe("2d");
-    });
-
-    it("uses 24h threshold for days", () => {
-      expect(formatDurationHuman(23 * 3600000)).toBe("23h");
-      expect(formatDurationHuman(24 * 3600000)).toBe("1d");
-      expect(formatDurationHuman(25 * 3600000)).toBe("1d"); // rounds
+    it("formats single-unit outputs and day threshold behavior", () => {
+      const cases = [
+        [500, "500ms"],
+        [5000, "5s"],
+        [180000, "3m"],
+        [7200000, "2h"],
+        [23 * 3600000, "23h"],
+        [24 * 3600000, "1d"],
+        [25 * 3600000, "1d"], // rounds
+        [172800000, "2d"],
+      ] as const;
+      for (const [input, expected] of cases) {
+        expect(formatDurationHuman(input), String(input)).toBe(expected);
+      }
     });
   });
 
@@ -166,20 +157,27 @@ describe("format-datetime", () => {
 
 describe("format-relative", () => {
   describe("formatTimeAgo", () => {
-    it("returns fallback for invalid input", () => {
+    it("returns fallback for invalid elapsed input", () => {
       for (const value of [null, undefined, -100]) {
         expect(formatTimeAgo(value)).toBe("unknown");
       }
       expect(formatTimeAgo(null, { fallback: "n/a" })).toBe("n/a");
     });
 
-    it("formats with 'ago' suffix by default", () => {
-      expect(formatTimeAgo(0)).toBe("just now");
-      expect(formatTimeAgo(29000)).toBe("just now"); // rounds to <1m
-      expect(formatTimeAgo(30000)).toBe("1m ago"); // 30s rounds to 1m
-      expect(formatTimeAgo(300000)).toBe("5m ago");
-      expect(formatTimeAgo(7200000)).toBe("2h ago");
-      expect(formatTimeAgo(172800000)).toBe("2d ago");
+    it("formats relative age around key unit boundaries", () => {
+      const cases = [
+        [0, "just now"],
+        [29000, "just now"], // rounds to <1m
+        [30000, "1m ago"], // 30s rounds to 1m
+        [300000, "5m ago"],
+        [7200000, "2h ago"],
+        [47 * 3600000, "47h ago"],
+        [48 * 3600000, "2d ago"],
+        [172800000, "2d ago"],
+      ] as const;
+      for (const [input, expected] of cases) {
+        expect(formatTimeAgo(input), String(input)).toBe(expected);
+      }
     });
 
     it("omits suffix when suffix: false", () => {
@@ -187,15 +185,10 @@ describe("format-relative", () => {
       expect(formatTimeAgo(300000, { suffix: false })).toBe("5m");
       expect(formatTimeAgo(7200000, { suffix: false })).toBe("2h");
     });
-
-    it("uses 48h threshold before switching to days", () => {
-      expect(formatTimeAgo(47 * 3600000)).toBe("47h ago");
-      expect(formatTimeAgo(48 * 3600000)).toBe("2d ago");
-    });
   });
 
   describe("formatRelativeTimestamp", () => {
-    it("returns fallback for invalid input", () => {
+    it("returns fallback for invalid timestamp input", () => {
       for (const value of [null, undefined]) {
         expect(formatRelativeTimestamp(value)).toBe("n/a");
       }