Add logging with filters

test/utils/formatDuration.test.ts

@@ -0,0 +1,53 @@
+import formatDuration from "../../src/utils/formatDuration.ts";
+
+describe("formatting durations (unit)", () => {
+  it("does one millisecond", () => {
+    const result = formatDuration(1);
+    expect(result).toBe("00:00:00.001");
+  });
+
+  it("does one-hundred twenty-three milliseconds", () => {
+    const result = formatDuration(123);
+    expect(result).toBe("00:00:00.123");
+  });
+
+  it("does one second", () => {
+    const result = formatDuration(1*1000);
+    expect(result).toBe("00:00:01.000");
+  });
+
+  it("does thirteen seconds", () => {
+    const result = formatDuration(13*1000);
+    expect(result).toBe("00:00:13.000");
+  });
+
+  it("does one minute", () => {
+    const result = formatDuration(60*1000);
+    expect(result).toBe("00:01:00.000");
+  });
+
+  it("does thirteen minutes", () => {
+    const result = formatDuration(13*60*1000);
+    expect(result).toBe("00:13:00.000");
+  });
+
+  it("does one hour", () => {
+    const result = formatDuration(60*60*1000);
+    expect(result).toBe("01:00:00.000");
+  });
+
+  it("does thirteen hours", () => {
+    const result = formatDuration(13*60*60*1000);
+    expect(result).toBe("13:00:00.000");
+  });
+
+  it("does negative one millisecond", () => {
+    const result = formatDuration(-1);
+    expect(result).toBe("-00:00:00.001");
+  });
+
+  it("does large negative durations", () => {
+    const result = formatDuration(-(123*60*60*1000 + 59*60*1000 + 59*1000 + 123));
+    expect(result).toBe("-123:59:59.123");
+  });
+});