feat: countdown for your next slot

Author: asuzuki-jumptrading

src/__tests__/utils.test.ts

@@ -0,0 +1,146 @@
+import { expect, describe, it } from "vitest";
+import { getDurationText } from "../utils";
+import { Duration } from "luxon";
+
+describe("getDurationText", () => {
+  it("shows Never if duration is not defined", () => {
+    expect(getDurationText(undefined)).toEqual("Never");
+  });
+
+  it("shows 0s if duration is less than a second", () => {
+    expect(
+      getDurationText(
+        Duration.fromObject({
+          millisecond: 999,
+        }),
+      ),
+    ).toEqual("0s");
+  });
+
+  it("shows full duration", () => {
+    expect(
+      getDurationText(
+        Duration.fromObject({
+          years: 1,
+          months: 2,
+          weeks: 3,
+          days: 20,
+          hours: 13,
+          minutes: 4,
+          seconds: 52,
+        }),
+      ),
+    ).toEqual("1y 2m 3w 20d 13h 4m 52s");
+  });
+
+  it("shows full duration, omitting zero values", () => {
+    expect(
+      getDurationText(
+        Duration.fromObject({
+          years: 1,
+          months: 2,
+          weeks: 0,
+          days: 20,
+          hours: 0,
+          minutes: 4,
+          seconds: 0,
+        }),
+      ),
+    ).toEqual("1y 2m 20d 4m");
+  });
+
+  it("shows duration without seconds", () => {
+    expect(
+      getDurationText(
+        Duration.fromObject({
+          years: 1,
+          months: 2,
+          weeks: 3,
+          days: 20,
+          hours: 13,
+          minutes: 4,
+          seconds: 52,
+        }),
+        {
+          omitSeconds: true,
+        },
+      ),
+    ).toEqual("1y 2m 3w 20d 13h 4m");
+  });
+
+  describe("showTwoSignificantUnits", () => {
+    it("shows the two most significant units", () => {
+      expect(
+        getDurationText(
+          Duration.fromObject({
+            years: 1,
+            months: 2,
+            weeks: 3,
+            days: 20,
+            hours: 13,
+            minutes: 4,
+            seconds: 52,
+          }),
+          {
+            showOnlyTwoSignificantUnits: true,
+          },
+        ),
+      ).toEqual("1y 2m");
+
+      expect(
+        getDurationText(
+          Duration.fromObject({
+            years: 0,
+            months: 0,
+            weeks: 3,
+            days: 20,
+            hours: 13,
+            minutes: 4,
+            seconds: 52,
+          }),
+          {
+            showOnlyTwoSignificantUnits: true,
+          },
+        ),
+      ).toEqual("3w 20d");
+    });
+
+    it("shows zero second most significant unit value", () => {
+      expect(
+        getDurationText(
+          Duration.fromObject({
+            years: 0,
+            months: 2,
+            weeks: 0,
+            days: 20,
+            hours: 13,
+            minutes: 4,
+            seconds: 52,
+          }),
+          {
+            showOnlyTwoSignificantUnits: true,
+          },
+        ),
+      ).toEqual("2m 0w");
+    });
+
+    it("shows only seconds if duration is less than a minute", () => {
+      expect(
+        getDurationText(
+          Duration.fromObject({
+            years: 0,
+            months: 0,
+            weeks: 0,
+            days: 0,
+            hours: 0,
+            minutes: 0,
+            seconds: 52,
+          }),
+          {
+            showOnlyTwoSignificantUnits: false,
+          },
+        ),
+      ).toEqual("52s");
+    });
+  });
+});