Cannot dynamically alter the watched files

[fatso83]

I am trying to use the watch event triggered by grunt-contrib-watch to only run tests on the files that have been changed. Unfortunately grunt-mocha-phantomjs does not seem to pick up the new options.

Basically I am doing this :

    grunt.initConfig({
        mocha_phantomjs : {
            all     : ['develop/test/**/*.html']
        }
    );

    grunt.event.on('watch', function(action, filepath) {
        grunt.config('mocha_phantomjs.all', [filepath]);
    });

I can see the value changing, but the value is simply not being picked up after loading the task. Is there any way of making them be picked up?

[jdcataldo]

Just pushed an example here and it is definitely working correctly: https://github.com/jdcataldo/grunt-mocha-phantomjs/commit/197c8af4f0fad1aaec257ca7cee23a4659c3b11a

If you make a change to two.html, the task will kick off with that test file only.

How is your watch task setup?

[fatso83]

Thanks for the quick reply. My watch setup was pretty much like, but the cause of grief was this missing piece of configuration of the grunt watch task

   watch : {
      options: {
        spawn: false
      },

BTW: I used the simplified array syntax that I had seen in the examples for specifying files. Although I have been been looking through lots of Grunt documentation, I have yet to understand in what way it differs from "the long form". Do you have any pointers for documentation on that format?