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

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+'use strict';
+/* global LogoLoader, MockPng, MockVideo */
+
+requireApp('system/test/unit/mock_media_files.js');
+requireApp('system/js/logo_loader.js');
+
+suite('logoLoader', function() {
+
+  var image;
+  var video;
+  var subject;
+  const invalidURL = 'INVALID_URL';
+
+  setup(function() {
+    image = MockPng;
+    video = MockVideo;
+  });
+
+  test('Find image logo', function(done) {
+    subject = new LogoLoader({image: image, video: invalidURL});
+    subject.onload = function() {
+      assert.equal(subject.element.tagName, 'IMG');
+      done();
+    };
+  });
+
+  test('Find movie logo', function(done) {
+    subject = new LogoLoader({image: 'INVALIDURL', video: video});
+    subject.onload = function() {
+      assert.equal(subject.element.tagName, 'VIDEO');
+      done();
+    };
+  });
+
+  test('Logo not found', function(done) {
+    subject = new LogoLoader({image: invalidURL, video: invalidURL});
+    subject.onnotfound = function() {
+      assert.isFalse(subject.found);
+      assert.isTrue(subject.ready);
+      done();
+    };
+  });
+
+  teardown(function() {
+  });
+});