allow for preprocessing templates in unit tests

Signed-off-by: Florian Kraft <f.kraft@finn.de>

frontend/karma.conf.js

@@ -84,9 +84,13 @@ module.exports = function(config) {
     // preprocess matching files before serving them to the browser
     // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
     preprocessors: {
+      '/templates/**/*.html': ['ng-html2js'],
       '../app/assets/javascripts/*.js': ['coverage'],
       'app/**/*.js': ['webpack'] // coverage disabled
     },
+    ngHtml2JsPreprocessor: {
+      module: 'openproject.templates'
+    },
 
 
     // test results reporter to use

frontend/package.json

@@ -29,6 +29,7 @@
     "karma-firefox-launcher": "~0.1.3",
     "karma-junit-reporter": "~0.2.2",
     "karma-mocha": "~0.1.3",
+    "karma-ng-html2js-preprocessor": "^0.1.2",
     "karma-phantomjs-launcher": "~0.1.4",
     "karma-webpack": "^1.5.0",
     "mocha": "~1.18.2",