test: add few unit test for ng-pdf directive

- add karma-ng-html2js-preprocessor dependance to use viewer template
- add karma.proxies to serve the pdf file

maybe help sayanee#79

package.json

@@ -22,6 +22,7 @@
     "jasmine-core": "^2.4.1",
     "karma": "^0.13.15",
     "karma-jasmine": "^0.3.6",
+    "karma-ng-html2js-preprocessor": "^0.2.0",
     "karma-phantomjs-launcher": "^0.2.1",
     "phantomjs": "^1.9.19"
   },

test/karma.conf.js

@@ -15,13 +15,15 @@ module.exports = function(config) {
 
     // list of files / patterns to load in the browser
     files: [
+      {pattern: 'example/pdf/relativity.pdf', included: false, served: true},
       'bower_components/pdfjs-dist/web/compatibility.js',
       'example/js/lib/pdf.js',
       'example/js/lib/pdf.worker.js',
       'example/js/lib/angular.min.js',
       'example/js/app.js',
       'example/js/controllers/docCtrl.js',
       'dist/angular-pdf.min.js',
+      'example/partials/*.html',
       'bower_components/angular-mocks/angular-mocks.js',
       'test/spec/*.js'
     ],
@@ -31,12 +33,15 @@ module.exports = function(config) {
     exclude: [
     ],
 
-
     // preprocess matching files before serving them to the browser
     // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
     preprocessors: {
+        'example/partials/*.html': ['ng-html2js']
     },
 
+    proxies: {
+      '/pdf': '/base/example/pdf'
+    },
 
     // test results reporter to use
     // possible values: 'dots', 'progress'
@@ -47,7 +52,6 @@ module.exports = function(config) {
     // web server port
     port: 9876,
 
-
     // enable / disable colors in the output (reporters and logs)
     colors: true,
 
@@ -72,6 +76,12 @@ module.exports = function(config) {
 
     // Concurrency level
     // how many browser should be started simultanous
-    concurrency: Infinity
+    concurrency: Infinity,
+
+    ngHtml2JsPreprocessor: {
+      // strip this from the file path
+      stripPrefix: 'example/',
+      moduleName: 'my.templates'
+    }
   })
 }

test/spec/ngPdfSpec.js

@@ -0,0 +1,43 @@
+describe('ngPdf', function() {
+  console.log = function() {};
+  var element, $scope;
+
+  // Load the myApp module, which contains the directive
+  beforeEach(module('App'));
+
+  beforeEach(module('my.templates'));
+
+  beforeEach(inject(function(_$compile_, _$rootScope_, _$document_){
+    // The injector unwraps the underscores (_) from around the parameter names when matching
+    var $compile = _$compile_;
+    var $rootScope = _$rootScope_;
+    var $document = _$document_;
+    $scope = $rootScope.$new();
+    // Compile a piece of HTML containing the directive
+    var html = '<ng-pdf template-url="partials/viewer.html" canvasid="pdf" scale="page-fit" page=13></ng-pdf>';
+    var elmnt = angular.element(html);
+    $document.find('body').append(elmnt);
+    element = $compile(elmnt)($scope);
+    $scope.pdfUrl = '/pdf/relativity.pdf';
+    $scope.$digest();
+  }));
+
+  beforeEach(function(done){
+      setTimeout(function() {
+        done();
+      }, 9000);
+  }, 10000);
+
+  it('ng-pdf maust have 1 canvas', function() {
+    var canvas = element.find('canvas');
+    expect(canvas.length).toBe(1);
+  });
+
+  it('goNext and goPrevious change page', function(){
+      expect($scope.pageNum).toBe(13);
+      $scope.goPrevious();
+      expect($scope.pageNum).toBe(12);
+      $scope.goNext();
+      expect($scope.pageNum).toBe(13);
+  });
+});