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gaia/apps/camera/test/unit/lib/settings_test.js

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+suite('lib/settings', function() {
+  'use strict';
+
+  suiteSetup(function(done) {
+    var self = this;
+    requirejs([
+      'lib/settings',
+      'lib/setting'
+    ], function(Settings, Setting) {
+      self.Settings = Settings;
+      self.Setting = Setting;
+      done();
+    });
+  });
+
+  setup(function() {
+    this.settings = new this.Settings({
+      setting1: {
+        some: 'stuff',
+        options: [
+          { key: 'a' },
+          { key: 'b' },
+          { key: 'c' }
+        ],
+        persistent: true
+      },
+      setting2: { some: 'stuff' },
+      setting3: { some: 'stuff' }
+    });
+  });
+
+  suite('Settings()', function() {
+    test('Should store each setting on self by key', function() {
+      assert.isTrue(this.settings.setting1 instanceof this.Setting);
+      assert.isTrue(this.settings.setting2 instanceof this.Setting);
+      assert.isTrue(this.settings.setting3 instanceof this.Setting);
+    });
+  });
+
+  suite('Settings#fetch()', function() {
+    setup(function() {
+      sinon.stub(this.settings.setting1, 'fetch');
+      sinon.stub(this.settings.setting2, 'fetch');
+      sinon.stub(this.settings.setting3, 'fetch');
+    });
+
+    test('Should call fetch() on each setting', function() {
+      this.settings.fetch();
+      assert.isTrue(this.settings.setting1.fetch.called);
+      assert.isTrue(this.settings.setting2.fetch.called);
+      assert.isTrue(this.settings.setting3.fetch.called);
+    });
+  });
+
+  suite('Settings#alias()', function() {
+    setup(function() {
+      sinon.spy(this.settings, 'SettingAlias');
+      this.settings.alias({
+        key: 'myAlias',
+        settings: {},
+        get: function() {}
+      });
+    });
+
+    teardown(function() {
+      this.settings.SettingAlias.restore();
+    });
+
+    test('Should call SettingAlias', function() {
+      assert.isTrue(this.settings.SettingAlias.called);
+    });
+
+    test('Should store the alias on self by key', function() {
+      assert.isDefined(this.settings.myAlias);
+    });
+
+    test('Should pass in the given key', function() {
+      var options = this.settings.SettingAlias.args[0][0];
+      assert.equal(options.key, 'myAlias');
+    });
+  });
+
+  suite('Settings#dontSave()', function() {
+    test('Should remove any save event handlers', function() {
+      var setting1 = this.settings.setting1;
+      var setting2 = this.settings.setting2;
+      var setting3 = this.settings.setting3;
+
+      sinon.spy(setting1, 'off');
+      sinon.spy(setting2, 'off');
+      sinon.spy(setting3, 'off');
+
+      this.settings.dontSave();
+
+      assert.isTrue(setting1.off.calledWith('change:selected', setting1.save));
+      assert.isTrue(setting2.off.calledWith('change:selected', setting2.save));
+      assert.isTrue(setting3.off.calledWith('change:selected', setting3.save));
+    });
+  });
+});