Merged in feat/sw-2874-move-select-rate (pull request #2750)

Approved-by: Joakim Jäderberg

packages/booking-flow/lib/components/SelectRate/getValidDates.test.ts

@@ -0,0 +1,54 @@
+import { afterAll, beforeAll, describe, expect, it, vi } from "vitest"
+
+import { getValidFromDate, getValidToDate } from "./getValidDates"
+
+const NOW = new Date("2020-10-01T00:00:00Z")
+
+describe("getValidFromDate", () => {
+  beforeAll(() => {
+    vi.useFakeTimers({ now: NOW })
+  })
+
+  afterAll(() => {
+    vi.useRealTimers()
+  })
+
+  describe("getValidFromDate", () => {
+    it("returns today when empty string is provided", () => {
+      const actual = getValidFromDate("")
+      expect(actual.toISOString()).toBe("2020-10-01T00:00:00.000Z")
+    })
+
+    it("returns today when undefined is provided", () => {
+      const actual = getValidFromDate(undefined)
+      expect(actual.toISOString()).toBe("2020-10-01T00:00:00.000Z")
+    })
+
+    it("returns given date in utc", () => {
+      const actual = getValidFromDate("2024-01-01")
+      expect(actual.toISOString()).toBe("2024-01-01T00:00:00.000Z")
+    })
+  })
+
+  describe("getValidToDate", () => {
+    it("returns day after fromDate when empty string is provided", () => {
+      const actual = getValidToDate("", NOW)
+      expect(actual.toISOString()).toBe("2020-10-02T00:00:00.000Z")
+    })
+
+    it("returns day after fromDate when undefined is provided", () => {
+      const actual = getValidToDate(undefined, NOW)
+      expect(actual.toISOString()).toBe("2020-10-02T00:00:00.000Z")
+    })
+
+    it("returns given date in utc", () => {
+      const actual = getValidToDate("2024-01-01", NOW)
+      expect(actual.toISOString()).toBe("2024-01-01T00:00:00.000Z")
+    })
+
+    it("fallsback to day after fromDate when given date is before fromDate", () => {
+      const actual = getValidToDate("2020-09-30", NOW)
+      expect(actual.toISOString()).toBe("2020-10-02T00:00:00.000Z")
+    })
+  })
+})