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gaia/apps/system/test/unit/home_gesture_test.js

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+'use strict';
+/* global HomeGesture */
+/* global MocksHelper */
+/* global MockNavigatorSettings */
+/* global MockScreenLayout */
+/* global ScreenLayout */
+
+requireApp('system/shared/test/unit/mocks/mock_settings_listener.js');
+requireApp('system/shared/test/unit/mocks/mock_navigator_moz_settings.js');
+requireApp('system/test/unit/mock_screen_layout.js');
+
+requireApp('system/js/home_gesture.js');
+
+var mocksForHomegesture = new MocksHelper([
+  'SettingsListener',
+  'ScreenLayout'
+]).init();
+
+suite('enable/disable homegesture', function() {
+  var realScreenLayout;
+  var realSettings;
+  var fakeHomebar;
+  var subject;
+  mocksForHomegesture.attachTestHelpers();
+
+  suiteSetup(function() {
+    realSettings = navigator.mozSettings;
+    navigator.mozSettings = MockNavigatorSettings;
+    realScreenLayout = window.ScreenLayout;
+    window.ScreenLayout = MockScreenLayout;
+  });
+
+  suiteTeardown(function() {
+    window.ScreenLayout = realScreenLayout;
+    navigator.mozSettings = realSettings;
+  });
+
+  setup(function() {
+    MockNavigatorSettings.mSetup();
+    MockNavigatorSettings.mSet({
+      'homegesture.enabled': false,
+      'software-button.enabled': false
+    });
+    MockNavigatorSettings.mSyncRepliesOnly = true;
+    fakeHomebar = document.createElement('div');
+    fakeHomebar.id = 'bottom-panel';
+    document.body.appendChild(fakeHomebar);
+    ScreenLayout.setDefault({
+      hardwareHomeButton: false
+    });
+  });
+
+  teardown(function() {
+    fakeHomebar.parentNode.removeChild(fakeHomebar);
+    window.ScreenLayout.mTeardown();
+  });
+
+  test('initial gesture without hardware homebtn on phone', function() {
+    ScreenLayout.setDefault({
+      tiny: true
+    });
+    subject = new HomeGesture();
+    subject.start();
+    assert.equal(
+      MockNavigatorSettings.mSettings['homegesture.enabled'], false);
+  });
+
+  test('initial gesture without hardware homebtn on tablet', function() {
+    ScreenLayout.setDefault({
+      tiny: false
+    });
+    subject = new HomeGesture();
+    subject.start();
+    assert.equal(
+      subject.homeBar.classList.contains('visible'),
+      true);
+  });
+
+  test('enable software button when homegesture is enabled', function() {
+    subject.enabled = true;
+    subject.handleEvent({
+      type: 'software-button-enabled'
+    });
+    assert.equal(
+      MockNavigatorSettings.mSettings['homegesture.enabled'], false);
+  });
+
+  test('disable sw btn when homegesture is disabled without hardware homebtn',
+    function() {
+    subject.enabled = false;
+    subject.hasHardwareHomeButton = false;
+    subject.handleEvent({
+      type: 'software-button-disabled'
+    });
+    assert.equal(
+      MockNavigatorSettings.mSettings['homegesture.enabled'], true);
+  });
+
+  test('when utility tray display', function() {
+    subject.handleEvent({
+      type: 'utilitytrayshow'
+    });
+    assert.equal(
+      subject.homeBar.classList.contains('visible'),
+      false);
+  });
+
+  test('when utility tray hide', function() {
+    subject.handleEvent({
+      type: 'utilitytrayhide'
+    });
+    assert.equal(
+      subject.homeBar.classList.contains('visible'),
+      true);
+  });
+
+  test('when lockscreen is enabled', function() {
+    subject.handleEvent({
+      type: 'lockscreen-appopened'
+    });
+    assert.equal(
+      subject.homeBar.classList.contains('visible'),
+      false);
+  });
+
+  test('when lockscreen is disabled', function() {
+    subject.handleEvent({
+      type: 'lockscreen-appclose'
+    });
+    assert.equal(
+      subject.homeBar.classList.contains('visible'),
+      true);
+  });
+});