CODEWITHSUNDEEP
node.jsmocha.jsfs
Deepak
Deepak

Reputation: 7

Not able to read the file using fs nodejs

I am new bee in learning node js. I am trying to read a file from the same directory and then to print its contents using file system's (fs) readFile method. I see that the program is not entering into this method when I run it. I tried putting console.log() in readFile method and I see it is not printing anything inside this method.

I am not knowing exactly what is happening and why it is skipping this method.

here is the canvas-util.js file that I am running using mocha

"use strict";

var fs = require('fs'),
    path = require('path');


module.exports.getEmailVariables = function(name, next) {
    name = "running?";
    var err = "";    
    var data1;

    var filePath = path.join(__dirname, 'sample.txt');

    fs.readFile(filePath, {encoding: 'utf-8'}, function(err,data){
        console.log(name);
        if (!err){
        console.log('received data: ' + data);
        data1 = data
        }else{
            console.log(err);
        }
    });
    next(err, data1);
};

My test.js contains

var canvasUtil = require("../utils/canvas-util");
var assert = require("assert");

describe('Mindrill', function () {
    this.timeout(30000);

    it('getEmailVariables should return Email variables', function (done) {
        var name="";
        canvasUtil.getEmailVariables(name, function(err, results) {

            assert.notEqual(null, results);                       
            done();
        });
    });
});

And sample.txt contains just "hi".

checking to see if I am getting the string in file to the variable 'data1' so as to pass the test. Any suggestions would be helpful.

Upvotes: 0

Views: 1923

Answers (2)

ModerateJavaScriptDev
ModerateJavaScriptDev

Reputation: 430

Instead of fs.readFile(); why not use fs.readFilesync(); ? You could try the same parameters.

Upvotes: 1

mscdex
mscdex

Reputation: 106746

fs.readFile() is async. Put your next(err, data1); inside the fs.readFile() callback.

Upvotes: 1

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