77 lines
2.5 KiB
JavaScript
77 lines
2.5 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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jest.mock('fs');
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//@ts-ignore
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const fs_1 = require("fs");
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const src_1 = require("../src");
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describe(`exists`, () => {
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let statSync;
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let statSyncMock;
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let path;
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beforeEach(() => {
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path = `./path/${Math.random()}`;
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fs_1.addStatSyncMock(statSyncMock = jest.fn(() => statSync()));
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});
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afterEach(() => {
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fs_1.assertMocksUsed();
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statSync = statSyncMock = undefined;
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});
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describe('known errors', () => {
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beforeEach(() => givenStatSyncThrows({ code: 'ENOENT' }));
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it('with type', () => {
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expect(src_1.exists(path, src_1.READABLE)).toBe(false);
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});
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it('with type omitted', () => {
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expect(src_1.exists(path)).toBe(false);
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});
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});
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describe('unknown errors', () => {
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let err;
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beforeEach(() => err = givenStatSyncThrows(new Error('something')));
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it('with type', () => {
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expect(() => src_1.exists(path, src_1.READABLE)).toThrow(err);
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});
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it('with type omitted', () => {
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expect(() => src_1.exists(path)).toThrow(err);
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});
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});
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describe('path is a file', () => {
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beforeEach(() => givenStatSyncIsA('file'));
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existsReturns(true, false, true);
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});
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describe('path is a folder', () => {
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beforeEach(() => givenStatSyncIsA('folder'));
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existsReturns(false, true, true);
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});
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describe('path is unknown', () => {
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beforeEach(() => givenStatSyncIsA('unknown'));
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existsReturns(false, false, false);
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});
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function existsReturns(file, folder, readable) {
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it('when searching for a file', () => {
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expect(src_1.exists(path, src_1.FILE)).toBe(file);
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});
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it('when searching for a folder', () => {
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expect(src_1.exists(path, src_1.FOLDER)).toBe(folder);
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});
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it('when searching for either', () => {
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expect(src_1.exists(path, src_1.READABLE)).toBe(readable);
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});
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it('when searching without a type', () => {
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expect(src_1.exists(path)).toBe(readable);
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});
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}
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function givenStatSyncThrows(err) {
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statSync = () => { throw err; };
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return err;
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}
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function givenStatSyncIsA(type) {
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const mockStat = {
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isFile() { return type === 'file'; },
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isDirectory() { return type === 'folder'; },
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};
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statSync = () => mockStat;
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return mockStat;
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}
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});
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//# sourceMappingURL=exists.spec.js.map
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