chore: fix karma dart setup

Author: vojtajina

karma-dart.conf.js

@@ -8,22 +8,49 @@ module.exports = function(config) {
  frameworks: ['dart-unittest'],
 
  files: [
- {pattern: 'modules/**/*_spec.js', included: true},
- {pattern: 'modules/*/src/**/*', included: false},
- {pattern: 'modules/*/test/**/*', included: false},
+ // Unit test files needs to be included.
+ // Karma-dart generates `__adapter_unittest.dart` that imports these files.
+ {pattern: 'modules/*/test/**/*_spec.js', included: true},
  {pattern: 'tools/transpiler/spec/**/*_spec.js', included: true},
+
+ // These files are not included, they are imported by the unit tests above.
+ {pattern: 'modules/**', included: false},
  {pattern: 'tools/transpiler/spec/**/*', included: false},
- 'test-main.dart'
+
+ // Dependencies, installed with `pub install`.
+ {pattern: 'packages/**/*.dart', included: false, watched: false},
+
+ // Init and configure guiness.
+ {pattern: 'test-main.dart', included: true}
  ],
 
  karmaDartImports: {
  guinness: 'package:guinness/guinness_html.dart'
  },
 
+ // Map packages to the correct urls where Karma serves them.
+ proxies: {
+ // Dependencies installed with `pub install`.
+ '/packages/unittest': '/base/packages/unittest',
+ '/packages/guinness': '/base/packages/guinness',
+ '/packages/matcher': '/base/packages/matcher',
+ '/packages/stack_trace': '/base/packages/stack_trace',
+ '/packages/collection': '/base/packages/collection',
+ '/packages/path': '/base/packages/path',
+
+ // Local dependencies, transpiled from the source.
+ '/packages/core': '/base/modules/core/src',
+ '/packages/change_detection': '/base/modules/change_detection/src',
+ '/packages/di': '/base/modules/di/src',
+ '/packages/facade': '/base/modules/facade/src',
+ '/packages/test_lib': '/base/modules/test_lib/src',
+ },
+
  preprocessors: {
  'modules/**/*.js': ['traceur'],
  'tools/**/*.js': ['traceur']
  },
+
  traceurPreprocessor: {
  options: {
  outputLanguage: 'dart',