e2e/helpers.js

var path = require('path'),
    fs = require('fs'),
    shell = require('shelljs'),
    os = require('os');

module.exports.tmpDir = function(subdir) {
    var dir = path.join(os.tmpdir(), 'e2e-test');
    if (subdir) {
        dir = path.join(dir, subdir);
    }
    shell.mkdir('-p', dir);
    return dir;
};

// Returns the platform that should be used for testing on this host platform.
/*
var host = os.platform();
if (host.match(/win/)) {
    module.exports.testPlatform = 'wp8';
} else if (host.match(/darwin/)) {
    module.exports.testPlatform = 'ios';
} else {
    module.exports.testPlatform = 'android';
}
*/

// Just use Android everywhere; we're mocking out any calls to the `android` binary.
module.exports.testPlatform = 'android';

// Add the toExist matcher.
beforeEach(function() {
    this.addMatchers({
        'toExist': function() {
            var notText = this.isNot ? ' not' : '';
            var self = this;

            this.message = function() {
                return 'Expected file ' + self.actual + notText + ' to exist.';
            };

            return fs.existsSync(this.actual);
        }
    });
});