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Copy pathangularLocalStorage.spec.js
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176 lines (138 loc) · 4.78 KB
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'use strict';
describe('angularLocalStorage module', function () {
var storage, testValue, scope;
beforeEach(function () {
module('angularLocalStorage');
inject(function ($injector) {
storage = $injector.get('storage');
});
});
describe('when use set() && get() methods', function () {
beforeEach(function () {
storage.set('spec', 'some test string');
});
beforeEach(function () {
testValue = storage.get('spec');
});
it('should store value in localStorage', function () {
expect(testValue).toBe('some test string');
});
it('should return null when unset key is used', function () {
expect(storage.get('madeUpKey')).toBeNull();
});
});
describe('when bind() $scope field to localStorage', function () {
beforeEach(function () {
inject(function ($rootScope) {
scope = $rootScope.$new();
scope.$apply(function () {
scope.spec = true;
});
storage.bind(scope, 'spec');
scope.$apply(function () {
scope.spec = false;
});
});
});
beforeEach(function () {
testValue = storage.get('spec');
});
it('should have $scope value', function () {
expect(testValue).toEqual(scope.spec);
});
it('should not store undefined value', function () {
scope.$apply(function () {
scope.spec = undefined;
});
expect(testValue).toEqual(false);
expect(scope.spec).toBeUndefined();
});
it('should store default value when passed as string', function () {
scope.$apply(function () {
storage.bind(scope, 'defaultedSpec', 'someDefault');
});
expect(scope.defaultedSpec).toEqual('someDefault');
});
it('should store default value when passed as options object', function () {
scope.$apply(function () {
storage.bind(scope, 'defaultedSpecObj', {defaultValue: 'someNewDefault'});
});
expect(scope.defaultedSpecObj).toEqual('someNewDefault');
});
it('using a custom storeName to bind variable', function () {
scope.$apply(function () {
storage.bind(scope, 'customStored', {defaultValue: 'randomValue123', storeName: 'myCustomStore'});
scope.directFromLocal = storage.get('myCustomStore');
});
expect(scope.customStored).toEqual('randomValue123');
expect(scope.directFromLocal).toEqual('randomValue123');
});
it('should prefer existing scope variable over storage and default value', function () {
scope.spec = 'NewValue';
storage.set('storedSpec', 'OldValue');
scope.$apply(function () {
storage.bind(scope, 'spec', {defaultValue: 'DefValue', storeName: 'storedSpec'});
});
scope.$apply(function () {
scope.spec = scope.spec + 'Updated';
});
expect(scope.spec).toEqual('NewValueUpdated');
expect(storage.get('storedSpec')).toEqual('NewValueUpdated');
});
});
describe('when unbind() variable that clears localStorage and the variable', function () {
var testLocalStorageValue, testLocalVariableValue;
beforeEach(function () {
storage.unbind(scope, 'spec');
});
beforeEach(function () {
testLocalStorageValue = storage.get('spec');
testLocalVariableValue = scope.spec;
});
it('should not contain field in storage', function () {
expect(testLocalStorageValue).toBeNull();
});
it('should not contain field in scope', function () {
expect(testLocalVariableValue).toBeNull();
});
});
describe('when remove() field from localStorage', function () {
beforeEach(function () {
storage.remove('spec');
});
beforeEach(function () {
testValue = storage.get('spec');
});
it('should not contain field', function () {
expect(testValue).toBeNull();
});
});
describe('when use clearAll() method all should be gone', function () {
beforeEach(function () {
storage.set('spec', 'some test string');
});
beforeEach(function () {
storage.clearAll();
testValue = storage.get('spec');
});
it('should return null for value in localStorage', function () {
expect(testValue).toBeNull();
});
});
describe('when use getKeys() method all should be returned', function () {
beforeEach(function () {
storage.set('abcKey', 'some test string');
storage.set('key123', 'test 123');
});
beforeEach(function () {
testValue = storage.getKeys();
});
it('should return an array equaling the length of two', function () {
expect(testValue.length).toEqual(2);
});
it('should return the same keys that were put into storage', function () {
expect(testValue.indexOf('key123')).toBeGreaterThan(-1);
expect(testValue.indexOf('abcKey')).toBeGreaterThan(-1);
});
});
});