dynatrace-cordova-outsystems-plugin/node_modules/pn/test/fs.js

This plugin gives you the ability to use the Dynatrace instrumentation in your hybrid application (Cordova, Ionic, ..). It uses the Mobile Agent, the JavaScript Agent and the Javascript Bridge. The Mobile Agent will give you all device specific values con

// if running on older node, ensure that es6-shim is loaded first
if (/^v0.10/.test(process.version)) { require('es6-shim'); }
var assert= require('../assert');
var fs = require('../fs');
var path = require('../path');

var TESTFILE = '/tmp/hello';

describe('fs module', function() {
    it('write/read/unlink (callbacks)', function(done) {
        fs.exists(TESTFILE, function(exists) {
            if (exists) {
                return done("Pre-existing file "+TESTFILE+"; aborting test.");
            }
            fs.writeFile(TESTFILE, 'hello', 'utf-8', function(err) {
                if (err) { return done(err); }
                fs.exists(TESTFILE, function(exists) {
                    if (!exists) {
                        return done(TESTFILE+" not found");
                    }
                    fs.readFile(TESTFILE, 'utf-8', function(err, contents) {
                        if (err) { return done(err); }
                        if (contents !== 'hello') {
                            return done("File contents are not right");
                        }
                        fs.unlink(TESTFILE, function(err) {
                            if (err) { return done(err); }
                            fs.exists(TESTFILE, function(exists) {
                                if (exists) {
                                    return done("unlink didn't work");
                                }
                                done(/*success!*/);
                            });
                        });
                    });
                });
            });
        });
    });
    it('write/read/unlink (promises)', function() {
        return fs.exists(TESTFILE).then(function(exists) {
            assert.equal(!!exists, false,
                         "Pre-existing file "+TESTFILE+"; aborting test.");
        }).then(function() {
            return fs.writeFile(TESTFILE, 'hello', 'utf-8');
        }).then(function() {
            return fs.exists(TESTFILE);
        }).then(function(exists) {
            assert.equal(!!exists, true);
            return fs.readFile(TESTFILE, 'utf-8');
        }).then(function(contents) {
            assert.equal(contents, 'hello');
            return fs.unlink(TESTFILE);
        }).then(function() {
            return fs.exists(TESTFILE);
        }).then(function(exists) {
            assert.equal(!!exists, false);
        });
    });
});