Camille Moussu
74 lines
2.2 KiB
TypeScript
74 lines
2.2 KiB
TypeScript
import {
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calendarRangeManager,
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getDisplayedCalendarRange,
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getDisplayedDate,
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setDisplayedDateAndRange,
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} from "@/utils/CalendarRangeManager";
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describe("CalendarRangeManager", () => {
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beforeEach(() => {
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setDisplayedDateAndRange(new Date());
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});
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it("should return a singleton instance", () => {
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const instance1 = calendarRangeManager;
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const instance2 = calendarRangeManager;
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expect(instance1).toStrictEqual(instance2);
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});
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it("should compute and return calendar range when date is set", () => {
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const testDate = new Date("2025-06-15T10:00:00Z");
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setDisplayedDateAndRange(testDate);
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const range = getDisplayedCalendarRange();
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expect(range.start).toBeInstanceOf(Date);
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expect(range.end).toBeInstanceOf(Date);
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expect(range.start.getTime()).toBeLessThanOrEqual(testDate.getTime());
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expect(range.end.getTime()).toBeGreaterThanOrEqual(testDate.getTime());
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});
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it("should get the default date", () => {
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const date = getDisplayedDate();
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expect(date).toBeInstanceOf(Date);
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});
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it("should set and get a date", () => {
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const testDate = new Date("2025-01-15T10:00:00Z");
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setDisplayedDateAndRange(testDate);
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const retrievedDate = getDisplayedDate();
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expect(retrievedDate).toStrictEqual(testDate);
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});
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it("should persist date across multiple calls", () => {
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const testDate = new Date("2025-06-20T15:30:00Z");
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setDisplayedDateAndRange(testDate);
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const date1 = getDisplayedDate();
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const date2 = getDisplayedDate();
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expect(date1).toStrictEqual(date2);
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expect(date1).toStrictEqual(testDate);
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});
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it("should update date when set multiple times", () => {
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const date1 = new Date("2025-01-01T00:00:00Z");
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const date2 = new Date("2025-12-31T23:59:59Z");
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setDisplayedDateAndRange(date1);
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expect(getDisplayedDate()).toStrictEqual(date1);
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setDisplayedDateAndRange(date2);
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expect(getDisplayedDate()).toStrictEqual(date2);
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});
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it("should maintain shared state (singleton behavior)", () => {
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const testDate = new Date("2025-03-01");
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setDisplayedDateAndRange(testDate);
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// Verify CalendarRangeManager reflects the same state
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expect(calendarRangeManager.getDate()).toStrictEqual(testDate);
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});
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});
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