Error: You need to include some adapter that implements __karma__.start method

Question

I\'m trying to add some unit tests to one of my projects.

So far I\'ve installed and configured karma, and have installed jasmine. I\'ve one test file in my te

Answer 1

I had a bad 'files' configuration in my karma.conf.js

files: ['**/*.js'],

this caught up all the files in node_modules/ including those of the karma-jasmine plugin, as it was seen as sourde files it wasn't loaded on startup. Changing to

files: [
        'src/*.js',
        'spec/*.js'
    ],

solved the problem in my case