61 lines
1.8 KiB
JavaScript
61 lines
1.8 KiB
JavaScript
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'use strict';
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var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
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var _patchFs = require('../patchFs');
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var _patchFs2 = _interopRequireDefault(_patchFs);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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describe('patchFs', function () {
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it('should overwrite the .readFileSync method', function () {
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var vol = {
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readFileSync: function readFileSync() {
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return 'foo';
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}
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};
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var fs = {};
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(0, _patchFs2.default)(vol, fs);
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expect(_typeof(fs.readFileSync)).toBe('function');
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expect(fs.readFileSync()).toBe('foo');
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});
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it('should copy constants', function () {
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var vol = {
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F_OK: 123
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};
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var fs = {};
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(0, _patchFs2.default)(vol, fs);
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expect(fs.F_OK).toBe(vol.F_OK);
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});
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describe('unpatch()', function () {
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it('should return "unpatch" method', function () {
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var vol = {
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F_OK: 123
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};
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var fs = {};
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expect(_typeof((0, _patchFs2.default)(vol, fs))).toBe('function');
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});
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it('should restore the original fs', function () {
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var original = function original() {};
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var vol = {
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writeFileSync: function writeFileSync() {}
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};
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var fs = {
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writeFileSync: original
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};
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var unpatch = (0, _patchFs2.default)(vol, fs);
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expect(fs.writeFileSync).not.toBe(original);
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unpatch();
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expect(fs.writeFileSync).toBe(original);
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});
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});
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});
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