Write dialog unit test

src/js/controller/app/dialog.js

@@ -1,41 +1,27 @@
 'use strict';
 
-var axe = require('axe-logger');
-
-var DialogCtrl = function($scope, $q, dialog) {
-
-    var callback;
+var DialogCtrl = function($scope, dialog) {
 
     //
     // Set dialog disply functions
     //
 
     dialog.displayInfo = function(options) {
-        return $q(function(resolve) {
         setOptions(options);
-            resolve();
-        });
     };
 
     dialog.displayError = function(options) {
-        return $q(function(resolve) {
-            if (options) {
-                axe.error((options.errMsg || options.message) + (options.stack ? ('\n' + options.stack) : ''));
+        if (!options) {
+            return;
+        }
 
         setOptions(options);
         $scope.title = options.title || 'Error';
         $scope.showBugReporter = (typeof options.showBugReporter !== 'undefined' ? options.showBugReporter : !options.title); // if title is set, presume it's not an error by default
-            }
-
-            resolve();
-        });
     };
 
     dialog.displayConfirm = function(options) {
-        return $q(function(resolve) {
         setOptions(options);
-            resolve();
-        });
     };
 
     function setOptions(options) {
@@ -46,8 +32,7 @@ var DialogCtrl = function($scope, $q, dialog) {
         $scope.positiveBtnStr = options.positiveBtnStr || 'Ok';
         $scope.negativeBtnStr = options.negativeBtnStr || 'Cancel';
         $scope.showNegativeBtn = options.showNegativeBtn || false;
-
-        callback = options.callback;
+        $scope.callback = options.callback;
     }
 
     //
@@ -57,10 +42,10 @@ var DialogCtrl = function($scope, $q, dialog) {
     $scope.confirm = function(ok) {
         $scope.open = false;
 
-        if (callback) {
-            callback(ok);
+        if ($scope.callback) {
+            $scope.callback(ok);
         }
-        callback = undefined;
+        $scope.callback = undefined;
     };
 };
 

src/js/util/axe.js

@@ -0,0 +1,8 @@
+'use strict';
+
+var axe = require('axe-logger');
+
+var ngModule = angular.module('woUtil');
+ngModule.factory('axe', function() {
+    return axe;
+});

src/js/util/dialog.js

@@ -4,16 +4,57 @@ var ngModule = angular.module('woUtil');
 ngModule.service('dialog', Dialog);
 module.exports = Dialog;
 
-function Dialog() {}
+/**
+ * A central service to display messages to the user in a dialog
+ */
+function Dialog($q, axe) {
+    this._q = $q;
+    this._axe = axe;
+}
 
+/**
+ * Show an information dialog
+ * @param  {String} options.title       The title of the displayed dialog
+ * @param  {String} options.message     The message to be displayed
+ * @return {Promise}
+ */
 Dialog.prototype.info = function(options) {
-    this.displayInfo(options);
+    return this._handle(options, this.displayInfo, 'displayInfo');
 };
 
+/**
+ * Show an error dialog
+ * @param  {String} options.title       (optional) The title of the displayed dialog
+ * @param  {String} options.message     The message to be displayed
+ * @return {Promise}
+ */
 Dialog.prototype.error = function(options) {
-    this.displayError(options);
+    // log the error
+    this._axe.error((options.errMsg || options.message) + (options.stack ? ('\n' + options.stack) : ''));
+    return this._handle(options, this.displayError, 'displayError');
 };
 
+/**
+ * Show an confirm dialog
+ * @param  {String} options.title       The title of the displayed dialog
+ * @param  {String} options.message     The message to be displayed
+ * @param  {String} options.callback    The callback that is called after the confirmation has been granted or denied
+ * @return {Promise}
+ */
 Dialog.prototype.confirm = function(options) {
-    this.displayConfirm(options);
+    return this._handle(options, this.displayConfirm, 'displayConfirm');
+};
+
+/**
+ * Helper function which returns a promise
+ */
+Dialog.prototype._handle = function(options, fn, errMsg) {
+    return this._q(function(resolve, reject) {
+        if (fn) {
+            fn(options);
+            resolve();
+        } else {
+            reject(new Error('Dialog service ' + errMsg + ' not set!'));
+        }
+    });
 };

src/js/util/index.js

@@ -2,6 +2,7 @@
 
 angular.module('woUtil', []);
 
+require('./axe');
 require('./dialog');
 require('./connection-doctor');
 require('./update/update-handler');

test/main.js

@@ -46,8 +46,19 @@ if (!Function.prototype.bind) {
     }
 })();
 
+//
+// Test setup
+//
+
 // set worker path for tests
 require('../src/js/app-config').config.workerPath = '../lib';
 
 var axe = require('axe-logger');
 axe.removeAppender(axe.defaultAppender);
+
+// include angular modules
+require('../src/js/app-config');
+require('../src/js/util');
+require('../src/js/crypto');
+require('../src/js/service');
+require('../src/js/email');

test/unit/util/dialog-test.js

@@ -0,0 +1,82 @@
+'use strict';
+
+describe('Dialog Service unit test', function() {
+    var dialog,
+        opt = {
+            foo: 'bar'
+        };
+
+    beforeEach(function() {
+        angular.module('dialog-test', ['woUtil']);
+        angular.mock.module('dialog-test');
+        angular.mock.inject(function($injector) {
+            dialog = $injector.get('dialog');
+        });
+    });
+
+    afterEach(function() {});
+
+    describe('info', function() {
+        it('should work', inject(function($rootScope) {
+            dialog.displayInfo = function() {};
+            var displayInfoStub = sinon.stub(dialog, 'displayInfo');
+
+            dialog.info(opt).then(function(result) {
+                expect(result).to.not.exist;
+            });
+
+            $rootScope.$apply();
+            expect(displayInfoStub.withArgs(opt).calledOnce).to.be.true;
+        }));
+        it('should fail for no display function', inject(function($rootScope) {
+            dialog.info(opt).catch(function(err) {
+                expect(err.message).to.match(/displayInfo/);
+            });
+
+            $rootScope.$apply();
+        }));
+    });
+
+    describe('error', function() {
+        it('should work', inject(function($rootScope) {
+            dialog.displayError = function() {};
+            var displayErrorStub = sinon.stub(dialog, 'displayError');
+
+            dialog.error(opt).then(function(result) {
+                expect(result).to.not.exist;
+            });
+
+            $rootScope.$apply();
+            expect(displayErrorStub.withArgs(opt).calledOnce).to.be.true;
+        }));
+        it('should fail for no display function', inject(function($rootScope) {
+            dialog.error(opt).catch(function(err) {
+                expect(err.message).to.match(/displayError/);
+            });
+
+            $rootScope.$apply();
+        }));
+    });
+
+    describe('confirm', function() {
+        it('should work', inject(function($rootScope) {
+            dialog.displayConfirm = function() {};
+            var displayConfirmStub = sinon.stub(dialog, 'displayConfirm');
+
+            dialog.confirm(opt).then(function(result) {
+                expect(result).to.not.exist;
+            });
+
+            $rootScope.$apply();
+            expect(displayConfirmStub.withArgs(opt).calledOnce).to.be.true;
+        }));
+        it('should fail for no display function', inject(function($rootScope) {
+            dialog.confirm(opt).catch(function(err) {
+                expect(err.message).to.match(/displayConfirm/);
+            });
+
+            $rootScope.$apply();
+        }));
+    });
+
+});