Intlayer

import { afterEach, beforeEach, describe, expect, it, type Mock, vi, } from 'vitest'; // We are testing the public helper. The helper itself internally relies on // `checkLastUpdateTime`, which hits the file-system. To keep the test // deterministic (and independent from the real FS) we mock this dependency so // that we can control the last modification date that the helper receives. // NOTE: `vi.mock` must be called *before* the module under test is imported. vi.mock('./checkLastUpdateTime', () => { return { checkLastUpdateTime: vi.fn(() => new Date()), // pretend the file was just modified }; }); import { checkFileModifiedRange } from './checkFileModifiedRange'; import { checkLastUpdateTime } from './checkLastUpdateTime'; describe('checkFileModifiedRange', () => { beforeEach(() => { // Use fake timers so Date.now() is deterministic. vi.useFakeTimers(); // Pin the system time to an arbitrary date for reproducibility vi.setSystemTime(new Date('2025-01-01')); }); afterEach(() => { vi.useRealTimers(); vi.clearAllMocks(); }); const testList = [ { // |---a---| fileModifiedTime: new Date('2025-01-01'), // a isSkipped: false, // No constraints }, { // |-min-a-max-| skipIfModifiedBefore: '2024-01-01', // min skipIfModifiedAfter: '2026-01-01', // max fileModifiedTime: new Date('2025-01-01'), // a isSkipped: true, // During the range }, { // |-min-max-a-| skipIfModifiedBefore: '2024-01-01', // min skipIfModifiedAfter: '2026-01-01', // max fileModifiedTime: new Date('2027-01-01'), // a isSkipped: false, // After the range }, { // |-a-min-max-| skipIfModifiedBefore: '2024-01-01', // min skipIfModifiedAfter: '2026-01-01', // max fileModifiedTime: new Date('2023-01-01'), // a isSkipped: false, // Before the range }, { // |-a-min-| skipIfModifiedBefore: '2024-01-01', // min fileModifiedTime: new Date('2023-01-01'), // a isSkipped: false, // Before the skipIfModifiedBefore }, { // |-min-a-| skipIfModifiedBefore: '2024-01-01', // min fileModifiedTime: new Date('2025-01-01'), // a isSkipped: true, // After the skipIfModifiedBefore }, { // |-a-max-| skipIfModifiedAfter: '2026-01-01', // max fileModifiedTime: new Date('2027-01-01'), // a isSkipped: true, // Before the skipIfModifiedAfter }, { // |-max-a-| skipIfModifiedAfter: '2026-01-01', // max fileModifiedTime: new Date('2027-01-01'), // a isSkipped: true, // After the skipIfModifiedAfter }, { // |-min-max-a-| skipIfModifiedBefore: 3 * 365 * 24 * 60 * 60 * 1000, // min // 3 year ago skipIfModifiedAfter: 1 * 365 * 24 * 60 * 60 * 1000, // max // 1 year fileModifiedTime: new Date('2025-01-01'), // a isSkipped: false, // Before the range }, { // |-a-max-| skipIfModifiedAfter: 0, // max // now fileModifiedTime: new Date('2024-01-01'), // a isSkipped: false, // Before the skipIfModifiedAfter }, { // |-min-a-| skipIfModifiedAfter: 1 * 365 * 24 * 60 * 60 * 1000, // max // 1 year fileModifiedTime: new Date('2025-01-01'), // a isSkipped: true, // Before the skipIfModifiedAfter }, { // |-min-a-max-| skipIfModifiedBefore: 3 * 365 * 24 * 60 * 60 * 1000, // min // 3 year ago skipIfModifiedAfter: 1 * 365 * 24 * 60 * 60 * 1000, // max // 1 year fileModifiedTime: new Date('2023-01-01'), // a isSkipped: true, // After the range }, { // |-a-min-max-| skipIfModifiedBefore: 3 * 365 * 24 * 60 * 60 * 1000, // min // 3 year ago skipIfModifiedAfter: 1 * 365 * 24 * 60 * 60 * 1000, // max // 1 year fileModifiedTime: new Date('2020-01-01'), // a isSkipped: false, // Before the range }, { // |-min-max-a-| skipIfModifiedBefore: '2024-01-01T00:00:00Z', // min skipIfModifiedAfter: '2026-01-01T00:00:00Z', // max fileModifiedTime: new Date('2027-01-01'), // a isSkipped: false, // After the range }, ]; testList.forEach((test) => { it(`should correctly handle string date inputs (absolute time) outside of the range`, () => { const filePath = 'test/file.txt'; // Simulate the file's last modification time for this test case (checkLastUpdateTime as unknown as Mock).mockReturnValue( // If a specific mocked modification time is provided, use it. Otherwise, fall back to "now". test.fileModifiedTime ?? new Date() ); const { isSkipped } = checkFileModifiedRange(filePath, { skipIfModifiedBefore: test.skipIfModifiedBefore, skipIfModifiedAfter: test.skipIfModifiedAfter, }); expect(isSkipped).toBe(test.isSkipped); }); }); });