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Diffstat (limited to 'spec/javascripts/autosave_spec.js')
-rw-r--r-- | spec/javascripts/autosave_spec.js | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/spec/javascripts/autosave_spec.js b/spec/javascripts/autosave_spec.js new file mode 100644 index 00000000000..9f9acc392c2 --- /dev/null +++ b/spec/javascripts/autosave_spec.js @@ -0,0 +1,134 @@ +import Autosave from '~/autosave'; +import AccessorUtilities from '~/lib/utils/accessor'; + +describe('Autosave', () => { + let autosave; + + describe('class constructor', () => { + const key = 'key'; + const field = jasmine.createSpyObj('field', ['data', 'on']); + + beforeEach(() => { + spyOn(AccessorUtilities, 'isLocalStorageAccessSafe').and.returnValue(true); + spyOn(Autosave.prototype, 'restore'); + + autosave = new Autosave(field, key); + }); + + it('should set .isLocalStorageAvailable', () => { + expect(AccessorUtilities.isLocalStorageAccessSafe).toHaveBeenCalled(); + expect(autosave.isLocalStorageAvailable).toBe(true); + }); + }); + + describe('restore', () => { + const key = 'key'; + const field = jasmine.createSpyObj('field', ['trigger']); + + beforeEach(() => { + autosave = { + field, + key, + }; + + spyOn(window.localStorage, 'getItem'); + }); + + describe('if .isLocalStorageAvailable is `false`', () => { + beforeEach(() => { + autosave.isLocalStorageAvailable = false; + + Autosave.prototype.restore.call(autosave); + }); + + it('should not call .getItem', () => { + expect(window.localStorage.getItem).not.toHaveBeenCalled(); + }); + }); + + describe('if .isLocalStorageAvailable is `true`', () => { + beforeEach(() => { + autosave.isLocalStorageAvailable = true; + + Autosave.prototype.restore.call(autosave); + }); + + it('should call .getItem', () => { + expect(window.localStorage.getItem).toHaveBeenCalledWith(key); + }); + }); + }); + + describe('save', () => { + const field = jasmine.createSpyObj('field', ['val']); + + beforeEach(() => { + autosave = jasmine.createSpyObj('autosave', ['reset']); + autosave.field = field; + + field.val.and.returnValue('value'); + + spyOn(window.localStorage, 'setItem'); + }); + + describe('if .isLocalStorageAvailable is `false`', () => { + beforeEach(() => { + autosave.isLocalStorageAvailable = false; + + Autosave.prototype.save.call(autosave); + }); + + it('should not call .setItem', () => { + expect(window.localStorage.setItem).not.toHaveBeenCalled(); + }); + }); + + describe('if .isLocalStorageAvailable is `true`', () => { + beforeEach(() => { + autosave.isLocalStorageAvailable = true; + + Autosave.prototype.save.call(autosave); + }); + + it('should call .setItem', () => { + expect(window.localStorage.setItem).toHaveBeenCalled(); + }); + }); + }); + + describe('reset', () => { + const key = 'key'; + + beforeEach(() => { + autosave = { + key, + }; + + spyOn(window.localStorage, 'removeItem'); + }); + + describe('if .isLocalStorageAvailable is `false`', () => { + beforeEach(() => { + autosave.isLocalStorageAvailable = false; + + Autosave.prototype.reset.call(autosave); + }); + + it('should not call .removeItem', () => { + expect(window.localStorage.removeItem).not.toHaveBeenCalled(); + }); + }); + + describe('if .isLocalStorageAvailable is `true`', () => { + beforeEach(() => { + autosave.isLocalStorageAvailable = true; + + Autosave.prototype.reset.call(autosave); + }); + + it('should call .removeItem', () => { + expect(window.localStorage.removeItem).toHaveBeenCalledWith(key); + }); + }); + }); +}); |