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gaia/tests/jsmarionette/plugins/marionette-helper/test/closest_test.js

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+'use strict';
+var assert = require('assert');
+
+suite('MarionetteHelper.closest', function() {
+
+  // Require needed files.
+  var FakeApp = require('./lib/fake_app');
+  marionette.plugin('apps', require('marionette-apps'));
+  marionette.plugin('helper', require('../index'));
+
+  var helper;
+  var fakeApp;
+  var FAKE_APP_ORIGIN = 'fakeapp.gaiamobile.org';
+
+  var apps = {};
+  apps[FAKE_APP_ORIGIN] = __dirname + '/fakeapp';
+
+  var testTime;
+  var client = marionette.client({
+    profile: {
+      settings: {
+        'ftu.manifestURL': null,
+        'lockscreen.enabled': false
+      },
+      apps: apps
+    }
+  });
+
+  setup(function() {
+    helper = client.helper;
+    fakeApp = new FakeApp(client, 'app://' + FAKE_APP_ORIGIN);
+    fakeApp.launch();
+    testTime = new Date();
+  });
+
+
+  test('should return closest element that matches the selector', function() {
+    var link = client.findElement('a.parent');
+    var child = client.findElement('.child');
+    assert.equal(helper.closest(child, '.parent').id, link.id);
+  });
+
+  test('should loop until it finds "body"', function() {
+    var body = client.findElement('body');
+    var child = client.findElement('.child');
+    assert.equal(helper.closest(child, 'body').id, body.id);
+  });
+
+  test('should return "undefined" if it can\'t find it', function() {
+    var child = client.findElement('.child');
+    assert.equal(helper.closest(child, '#bogus'), undefined);
+  });
+
+  test('should allow selector as first argument', function() {
+    var link = client.findElement('a.parent');
+    assert.equal(helper.closest('.child', '.parent').id, link.id);
+  });
+
+  test('should return element itself if it matches selector', function() {
+    var link = client.findElement('a.parent');
+    assert.equal(helper.closest(link, '.parent').id, link.id);
+  });
+
+});