79 lines
2.4 KiB
JavaScript
79 lines
2.4 KiB
JavaScript
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import AccessorUtilities from '~/lib/utils/accessor';
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describe('AccessorUtilities', () => {
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const testError = new Error('test error');
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describe('isPropertyAccessSafe', () => {
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let base;
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it('should return `true` if access is safe', () => {
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base = { testProp: 'testProp' };
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expect(AccessorUtilities.isPropertyAccessSafe(base, 'testProp')).toBe(true);
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});
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it('should return `false` if access throws an error', () => {
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base = { get testProp() { throw testError; } };
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expect(AccessorUtilities.isPropertyAccessSafe(base, 'testProp')).toBe(false);
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});
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it('should return `false` if property is undefined', () => {
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base = {};
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expect(AccessorUtilities.isPropertyAccessSafe(base, 'testProp')).toBe(false);
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});
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});
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describe('isFunctionCallSafe', () => {
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const base = {};
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it('should return `true` if calling is safe', () => {
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base.func = () => {};
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expect(AccessorUtilities.isFunctionCallSafe(base, 'func')).toBe(true);
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});
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it('should return `false` if calling throws an error', () => {
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base.func = () => { throw new Error('test error'); };
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expect(AccessorUtilities.isFunctionCallSafe(base, 'func')).toBe(false);
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});
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it('should return `false` if function is undefined', () => {
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base.func = undefined;
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expect(AccessorUtilities.isFunctionCallSafe(base, 'func')).toBe(false);
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});
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});
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describe('isLocalStorageAccessSafe', () => {
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beforeEach(() => {
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spyOn(window.localStorage, 'setItem');
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spyOn(window.localStorage, 'removeItem');
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});
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it('should return `true` if access is safe', () => {
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expect(AccessorUtilities.isLocalStorageAccessSafe()).toBe(true);
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});
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it('should return `false` if access to .setItem isnt safe', () => {
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window.localStorage.setItem.and.callFake(() => { throw testError; });
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expect(AccessorUtilities.isLocalStorageAccessSafe()).toBe(false);
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});
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it('should set a test item if access is safe', () => {
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AccessorUtilities.isLocalStorageAccessSafe();
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expect(window.localStorage.setItem).toHaveBeenCalledWith('isLocalStorageAccessSafe', 'true');
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});
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it('should remove the test item if access is safe', () => {
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AccessorUtilities.isLocalStorageAccessSafe();
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expect(window.localStorage.removeItem).toHaveBeenCalledWith('isLocalStorageAccessSafe');
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});
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});
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});
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