setup leaflet-iiif to use mocha js specs with karma as the runner

package.json

@@ -28,6 +28,14 @@
   "devDependencies": {
     "grunt": "^0.4.5",
     "grunt-contrib-connect": "^0.10.1",
-    "grunt-contrib-watch": "^0.6.1"
+    "grunt-contrib-watch": "^0.6.1",
+    "karma": "^0.13.22",
+    "karma-jasmine": "^0.3.7",
+    "karma-phantomjs-launcher": "^1.0.0",
+    "leaflet": "^0.7.7",
+    "phantomjs-prebuilt": "^2.1.5"
+  },
+  "scripts": {
+    "test": "./node_modules/.bin/karma start ./spec/karma.conf.js"
   }
 }

spec/LTileLayerIiifSpec.js

@@ -0,0 +1,19 @@
+describe('L.TileLayer.Iiif', function() {
+  var div;
+  var map;
+
+  beforeEach(function() {
+    div = document.createElement('div');
+    div.style.width = '800px';
+    div.style.height = '600px';
+    div.style.visibility = 'hidden';
+
+    document.body.appendChild(div);
+
+    map = L.map(div);
+  });
+
+  it('initializes the map', function(){
+    expect(typeof (map)).toEqual('object');
+  });
+});

spec/karma.conf.js

@@ -0,0 +1,70 @@
+// Karma configuration
+// Generated on Wed Mar 16 2016 06:58:00 GMT-0700 (PDT)
+
+module.exports = function(config) {
+  config.set({
+
+    // base path that will be used to resolve all patterns (eg. files, exclude)
+    basePath: '',
+
+
+    // frameworks to use
+    // available frameworks: https://npmjs.org/browse/keyword/karma-adapter
+    frameworks: ['jasmine'],
+
+
+    // list of files / patterns to load in the browser
+    files: [
+      './../node_modules/leaflet/dist/leaflet.js',
+      './**/*.js'
+    ],
+
+
+    // list of files to exclude
+    exclude: [
+    ],
+
+
+    // preprocess matching files before serving them to the browser
+    // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
+    preprocessors: {
+    },
+
+
+    // test results reporter to use
+    // possible values: 'dots', 'progress'
+    // available reporters: https://npmjs.org/browse/keyword/karma-reporter
+    reporters: ['progress'],
+
+
+    // web server port
+    port: 9876,
+
+
+    // enable / disable colors in the output (reporters and logs)
+    colors: true,
+
+
+    // level of logging
+    // possible values: config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
+    logLevel: config.LOG_INFO,
+
+
+    // enable / disable watching file and executing tests whenever any file changes
+    autoWatch: true,
+
+
+    // start these browsers
+    // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
+    browsers: ['PhantomJS'],
+
+
+    // Continuous Integration mode
+    // if true, Karma captures browsers, runs the tests and exits
+    singleRun: true,
+
+    // Concurrency level
+    // how many browser should be started simultaneous
+    concurrency: Infinity
+  })
+}