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

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+suite('views/faces', function() {
+  /*jshint maxlen:false*/
+  'use strict';
+
+  suiteSetup(function(done) {
+    var self = this;
+    requirejs(['views/faces'], function(FacesView) {
+      self.FacesView = FacesView;
+      done();
+    });
+  });
+
+  setup(function() {
+    var self = this;
+    this.FaceView = sinon.spy();
+    this.FaceView.prototype = {
+      FaceView: sinon.spy(),
+      hide: sinon.spy(),
+      appendTo: sinon.spy(),
+      setPosition: sinon.spy(),
+      setDiameter: sinon.spy(),
+      show: sinon.spy()
+    };
+    // Shortcuts
+    this.view = new this.FacesView({
+      FaceView: this.FaceView
+    });
+  });
+
+  suite('FacesView#createFaces()', function() {
+    test('Should create Face Views for the given number of faces', function() {
+      this.view.createFaces(10);
+      assert.ok(this.view.faces.length === 10);
+      this.view.createFaces(5);
+      assert.ok(this.view.faces.length === 15);
+    });
+  });
+
+  suite('FacesView#renderFace()', function() {
+    test('Should show and configure the face view based on the face object', function() {
+      var face = {
+        x: 320,
+        y: 400,
+        diameter: 300
+      };
+      var faceView = new this.FaceView();
+      this.view.renderFace(face, faceView);
+      assert.ok(faceView.setPosition.called);
+      assert.ok(faceView.setDiameter.called);
+      assert.ok(faceView.show.called);
+    });
+  });
+
+  suite('FacesView#hideFaces()', function() {
+    test('Should call hide once for each face view', function() {
+      var faceView = {
+        hide: sinon.spy()
+      };
+      this.view.faces = [faceView, faceView, faceView];
+      this.view.hideFaces();
+      assert.ok(faceView.hide.calledThrice);
+    });
+  });
+
+  suite('FacesView#clear()', function() {
+    test('Should remove faces DOM elements and reset faces', function() {
+      this.view.el.removeChild = sinon.spy();
+      this.view.faces = ['face', 'face', 'face'];
+      this.view.clear();
+      assert.ok(this.view.el.removeChild.calledThrice);
+      assert.ok(this.view.faces.length === 0);
+    });
+  });
+
+});