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

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+suite('views/settings', function() {
+  'use strict';
+
+  suiteSetup(function(done) {
+    var self = this;
+    requirejs([
+      'views/settings',
+      'views/setting-options'
+    ], function(SettingsView, OptionsView) {
+      self.SettingsView = SettingsView;
+      self.OptionsView = OptionsView;
+      done();
+    });
+  });
+
+  setup(function() {
+    var self = this;
+    this.sandbox = sinon.sandbox.create();
+
+    var OptionsView = sinon.spy(function() {
+      var view = sinon.createStubInstance(self.OptionsView);
+      view.render.returns(view);
+      view.appendTo.returns(view);
+      view.on.returns(view);
+      return view;
+    });
+
+    this.view = new this.SettingsView({ OptionsView: OptionsView });
+  });
+
+  teardown(function() {
+    this.sandbox.restore();
+  });
+
+  suite('SettingsView#onClick()', function() {
+    test('Should not let clicks propagate', function() {
+      var spy = sinon.spy();
+      this.view.onClick({ stopPropagation: spy });
+      assert.isTrue(spy.called);
+    });
+  });
+
+  suite('SettingsView#showSetting()', function() {
+    setup(function() {
+      this.model = {};
+      this.sandbox.spy(this.view, 'showPane');
+      this.view.showSetting(this.model);
+    });
+
+    test('Should create and append a new OptionsView', function() {
+      assert.isTrue(this.view.OptionsView.called);
+      assert.isTrue(this.view.optionsView.appendTo.called);
+    });
+
+    test('Should pass the model into the OptionsView', function() {
+      var options = this.view.OptionsView.args[0][0];
+      assert.equal(options.model, this.model);
+    });
+
+    test('Should show pane 2', function() {
+      assert.isTrue(this.view.showPane.calledWith(2));
+    });
+  });
+
+  suite('SettingsView#goBack()', function() {
+    test('Should destroy the options view (sync)', function() {
+      var options = this.view.optionsView = { destroy: sinon.spy() };
+      this.view.goBack();
+      assert.isTrue(options.destroy.called);
+    });
+
+    test('Should switch back to pane 1', function() {
+      sinon.spy(this.view, 'showPane');
+      this.view.goBack();
+      assert.isTrue(this.view.showPane.calledWith(1));
+    });
+  });
+});