Setting up Karma with Sprockets

.gitignore

@@ -14,3 +14,4 @@
 # Ignore all logfiles and tempfiles.
 /log/*.log
 /tmp
+node_modules

lib/tasks/karma.rake

@@ -0,0 +1,31 @@
+namespace :karma  do
+  task :start => :environment do
+    with_tmp_config :start
+  end
+
+  task :run => :environment do
+    with_tmp_config :start, "--single-run"
+  end
+
+  private
+
+  def with_tmp_config(command, args = nil)
+    Tempfile.open('karma_unit.js', Rails.root.join('tmp') ) do |f|
+      f.write unit_js(application_spec_files)
+      f.flush
+
+      system "karma #{command} #{f.path} #{args}"
+    end
+  end
+
+  def application_spec_files
+    sprockets = Rails.application.assets
+    sprockets.append_path Rails.root.join("spec/karma")
+    files = Rails.application.assets.find_asset("application_spec.js").to_a.map {|e| e.pathname.to_s }
+  end
+
+  def unit_js(files)
+    unit_js = File.open('spec/karma/config/unit.js', 'r').read
+    unit_js.gsub "APPLICATION_SPEC", "\"#{files.join("\",\n\"")}\""
+  end
+end

package.json

@@ -0,0 +1,9 @@
+{
+  "name": "weroom-app",
+  "dependencies" : {
+    "karma":  ">= 0.10.9",
+    "karma-jasmine": "0.1.5",
+    "karma-ng-scenario": "0.1.0",
+    "phantomjs": "1.9.7-1"
+  }
+}

spec/karma/application_spec.js

@@ -0,0 +1,3 @@
+//= require angular
+//= require angular-mocks
+//= require application

spec/karma/config/unit.js

@@ -0,0 +1,75 @@
+// Karma configuration
+// Generated on Mon Feb 03 2014 16:16:15 GMT+0100 (CET)
+
+module.exports = function(config) {
+  config.set({
+
+    // base path, based on tmp/ folder
+    basePath: '..',
+
+
+    // frameworks to use
+    frameworks: ['jasmine', 'ng-scenario'],
+
+
+    // list of files / patterns to load in the browser
+    files: [
+      "/usr/local/var/rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/turbolinks-2.2.1/lib/assets/javascripts/turbolinks.*",
+      'app/assets/javascripts/angular/*/*.{coffee,js}',
+      'spec/javascripts/**/*_spec.{coffee,js}'
+    ],
+
+    // list of files to exclude
+    exclude: [
+
+    ],
+
+
+    // test results reporter to use
+    // possible values: 'dots', 'progress', 'junit', 'growl', 'coverage'
+    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, currently available:
+    // - Chrome
+    // - ChromeCanary
+    // - Firefox
+    // - Opera (has to be installed with `npm install karma-opera-launcher`)
+    // - Safari (only Mac; has to be installed with `npm install karma-safari-launcher`)
+    // - PhantomJS
+    // - IE (only Windows; has to be installed with `npm install karma-ie-launcher`)
+    browsers: ['PhantomJS'],
+
+
+    // If browser does not capture in given timeout [ms], kill it
+    captureTimeout: 60000,
+
+
+    // Continuous Integration mode
+    // if true, it capture browsers, run tests and exit
+    singleRun: false,
+
+    // Preprocessors
+    preprocessors: {
+        '/**/*.coffee':'coffee'
+    }
+
+  });
+};