Publish Vulpes Preview 15 sources for desktop, Android and Tundra
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409
gaia/apps/camera/test/unit/lib/setting_test.js
Executable file
409
gaia/apps/camera/test/unit/lib/setting_test.js
Executable file
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suite('lib/setting', function() {
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/*jshint maxlen:false*/
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'use strict';
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suiteSetup(function(done) {
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var self = this;
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requirejs(['lib/setting'], function(Setting) {
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self.Setting = Setting;
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done();
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});
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});
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setup(function() {
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this.storage = {
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getItem: sinon.stub(),
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setItem: sinon.stub()
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};
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});
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suite('Setting()', function() {
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setup(function() {
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this.sandbox = sinon.sandbox.create();
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});
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teardown(function() {
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this.sandbox.restore();
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});
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test('Should store the key on self', function() {
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var setting = new this.Setting({ key: 'mykey', options: [] });
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assert.ok(setting.key === 'mykey');
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});
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test('Should save when selection is change, only if marked as `persistent`', function() {
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var on = this.sandbox.spy(this.Setting.prototype, 'on');
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var settings1 = new this.Setting({
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key: 'key',
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persistent: true,
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options: []
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});
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assert.ok(on.calledWith('change:selected', settings1.save));
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on.reset();
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var settings2 = new this.Setting({ key: 'key', options: [] });
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assert.ok(!on.calledWith('change:selected', settings2.save));
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});
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test('Should default to selecting first option if ' +
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'`selected` is undefined', function() {
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var setting = new this.Setting({
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key: 'key',
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options: [
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{ key: 'a' },
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{ key: 'b' }
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]
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});
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assert.ok(setting.get('selected') === 'a');
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});
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test('Should flag `options.defined` if options initially defined', function() {
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var setting = new this.Setting({
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key: 'key',
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options: [
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{ key: 'a' },
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{ key: 'b' }
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]
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});
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assert.isTrue(setting.options.defined);
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setting = new this.Setting({
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key: 'key',
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options: []
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});
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assert.isFalse(setting.options.defined);
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});
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});
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suite('Setting#select()', function() {
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setup(function() {
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this.setting = new this.Setting({
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key: 'key',
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options: [
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{ key: 'a' },
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{ key: 'b' }
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]
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});
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});
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test('Should select the first option if no key match', function() {
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this.setting.select('b');
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assert.ok(this.setting.get('selected') === 'b');
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// Fallback to first
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this.setting.select('c');
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assert.ok(this.setting.get('selected') === 'a');
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this.setting.select(3);
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assert.ok(this.setting.get('selected') === 'a');
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});
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});
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suite('Setting#resetOptions()', function() {
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setup(function() {
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this.setting = new this.Setting({
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selected: 'b',
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options: [
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{ key: 'a' },
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{ key: 'b' },
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{ key: 'c' }
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]
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});
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});
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test('Should update the `selected` option to first if no new options match selected', function() {
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this.setting.resetOptions([
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{ key: 'd' },
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{ key: 'e' },
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{ key: 'f' }
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]);
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assert.equal(this.setting.selected('key'), 'd');
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});
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test('Should maintain the selected key if a key of new options matches', function() {
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this.setting.resetOptions([
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{ key: 'c' },
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{ key: 'b' },
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{ key: 'a' }
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]);
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assert.equal(this.setting.selected('key'), 'b');
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});
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test('Should maintain the order', function() {
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var options;
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this.setting.resetOptions([
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{ key: 'a' },
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{ key: 'b' },
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{ key: 'c' }
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]);
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options = this.setting.get('options');
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assert.equal(options[0].key, 'a');
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assert.equal(options[1].key, 'b');
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assert.equal(options[2].key, 'c');
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this.setting.resetOptions([
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{ key: 'c' },
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{ key: 'b' },
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{ key: 'a' }
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]);
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options = this.setting.get('options');
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assert.equal(options[0].key, 'c');
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assert.equal(options[1].key, 'b');
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assert.equal(options[2].key, 'a');
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});
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test('Should not fire a `change` event', function() {
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var spy = sinon.spy();
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this.setting.on('change', spy);
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this.setting.resetOptions([{ key: 'c' }]);
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assert.isFalse(spy.called);
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});
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});
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suite('Setting#filterOptions()', function() {
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setup(function() {
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this.setting = new this.Setting({
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key: 'key',
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selected: 'b',
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options: [
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{ key: 'a' },
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{ key: 'b' },
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{ key: 'c' }
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]
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});
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});
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test('Should filter down the available options', function() {
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this.setting.filterOptions(['a', 'b']);
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var available = this.setting.get('options');
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var found = available.some(function(option) { return option.key === 'c'; });
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assert.isFalse(found, 'c should not longer be present');
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});
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test('Should have no available options if argument is falsy', function() {
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var available;
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this.setting.filterOptions(null);
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available = this.setting.get('options');
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assert.equal(available.length, 0);
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this.setting.filterOptions(undefined);
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available = this.setting.get('options');
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assert.equal(available.length, 0);
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this.setting.filterOptions(false);
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available = this.setting.get('options');
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assert.equal(available.length, 0);
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});
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test('Should always filter the original config', function() {
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var available;
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this.setting.filterOptions(['a', 'b']);
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available = this.setting.get('options');
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assert.equal(available.length, 2);
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assert.equal(available[0].key, 'a');
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assert.equal(available[1].key, 'b');
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this.setting.filterOptions(['c']);
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available = this.setting.get('options');
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assert.equal(available.length, 1);
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assert.equal(available[0].key, 'c');
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});
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test('Should maintain `selected` if in filter list', function() {
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this.setting.filterOptions(['c', 'b']);
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assert.equal(this.setting.selected('key'), 'b');
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});
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test('Should update the `selected` match first if not in filter list', function() {
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this.setting.filterOptions(['c', 'a']);
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assert.equal(this.setting.selected('key'), 'a');
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});
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test('Should fire a `change` event', function() {
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var spy = sinon.spy();
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this.setting.on('change', spy);
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this.setting.filterOptions(['c']);
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assert.isTrue(spy.called);
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});
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test('Should cope with keys that aren\'t defined', function() {
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this.setting.filterOptions(['a', 'c', 'jibberish']);
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var options = this.setting.get('options');
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assert.equal(options.length, 2);
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assert.equal(options[0].key, 'a');
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assert.equal(options[1].key, 'c');
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});
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});
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suite('Setting#selected()', function() {
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setup(function() {
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this.setting = new this.Setting({
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key: 'key',
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options: [
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{ key: 'a', title: 'i am a' },
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{ key: 'b', title: 'i am b' },
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{ key: 'c', title: 'i am c' }
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]
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});
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});
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test('Should return the currently selected option', function() {
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var selected = this.setting.selected();
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assert.ok(selected.title === 'i am a');
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this.setting.select('b');
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selected = this.setting.selected();
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assert.ok(selected.title === 'i am b');
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});
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test('Should return the given key from the selected option', function() {
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var title = this.setting.selected('title');
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assert.ok(title === 'i am a');
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this.setting.select('b');
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var key = this.setting.selected('key');
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assert.ok(key === 'b');
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});
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test('Should return `undefined` if no available options', function() {
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this.setting.filterOptions([]);
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assert.equal(this.setting.selected(), undefined);
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assert.equal(this.setting.selected('key'), undefined);
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});
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});
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suite('Setting#next()', function() {
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setup(function() {
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this.setting = new this.Setting({
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key: 'key',
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options: [
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{ key: 'a' },
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{ key: 'b' },
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{ key: 'c' }
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]
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});
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});
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test('Should set the `selected` value to the next option', function() {
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this.setting.next();
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assert.ok(this.setting.selected().key === 'b');
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this.setting.next();
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assert.ok(this.setting.selected().key === 'c');
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this.setting.next();
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assert.ok(this.setting.selected().key === 'a');
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});
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});
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suite('Setting#supported()', function() {
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setup(function() {
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this.config = {
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title: 'My title',
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options: [{ key: 'a' }, { key: 'b' }]
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};
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});
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test('Should return false if disabled', function() {
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var setting;
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this.config.disabled = true;
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setting = new this.Setting(this.config);
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assert.isFalse(setting.supported());
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this.config.disabled = false;
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setting = new this.Setting(this.config);
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assert.isTrue(setting.supported());
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delete this.config.disabled;
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setting = new this.Setting(this.config);
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assert.isTrue(setting.supported());
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});
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test('Should return true if not disabled and has options', function() {
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var setting;
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setting = new this.Setting(this.config);
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assert.isTrue(setting.supported());
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this.config.options = [];
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setting = new this.Setting(this.config);
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assert.isFalse(setting.supported());
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});
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});
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suite('Setting#fetch()', function() {
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setup(function() {
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this.setting = new this.Setting({
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key: 'foo',
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storage: this.storage
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});
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});
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test('Should `select` silently the given key if one is in storage', function() {
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sinon.spy(this.setting, 'selected');
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this.setting.fetch();
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assert.isFalse(this.setting.selected.called);
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this.storage.getItem
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.withArgs('setting:' + this.setting.key)
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.returns('the-key');
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this.setting.fetch();
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assert.isFalse(this.setting.selected.calledWith('the-key'));
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});
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test('Should not fire a `change` event', function() {
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var spy = sinon.spy();
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this.storage.getItem
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.withArgs('setting:' + this.setting.key)
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.returns('the-key');
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this.setting.on('change', spy);
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this.setting.fetch();
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assert.isFalse(spy.called);
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});
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});
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suite('Setting#save()', function() {
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setup(function() {
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this.setting = new this.Setting({
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key: 'foo',
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storage: this.storage,
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options: [
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{ key: 'a' },
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{ key: 'b' }
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]
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});
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});
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test('Should call `setItem` with the current selected option key', function() {
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var key = 'setting:' + this.setting.key;
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var value = this.setting.selected('key');
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this.setting.save();
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assert.isTrue(this.storage.setItem.calledWith(key, value));
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});
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});
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});
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