[nodejs] I cannot export jQuery correctly; testing Node.js with mocha and chai

[EB]

I'm confused how to export jQuery correctly in order to test several
functions with mocha and the assertion library chai. Hopefully this is a
beginner's error...

Here is the code I am testing, with the branch `add_tests`:

https://github.com/mskilab/gGnome.js/tree/add_tests

I'm having trouble with the functions in
https://github.com/mskilab/gGnome.js/blob/master/js/misc.js

with the tests here:
https://github.com/mskilab/gGnome.js/blob/add_tests/test/miscTest.js


So, in order to export jQuery, I include the following line:

https://github.com/mskilab/gGnome.js/blob/add_tests/js/misc.js#L2

const $ = require('jquery');

However, I'm still getting errors when I try to use the functions in
`miscTest.js`, whereby I'm running `mocha` or `npm test`, I get a TypeError:

TypeError: $.ajax is not a function

This is from trying to run

console.log(Misc.metadata);

within `misc.js`

How do I correctly export jQuery so it's recognized?
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[Mikkel Wilson]

So, this is a server-side javascript environment. jQuery is more suited to
a client-side environment (in a browser, not on a server). I think you're
trying to use jQuery to make a request to a /metadata endpoint on a server
to get some JSON. I'd suggest you use the 'request' package instead.

First, install the package:

npm install request --save


Then, you can use it in your misc.js file:

const request = require('request');


Finally, you can replace your $.ajax call with request like this:

request(Misc.server+'/metadata', function(err, response, body){
if(err) {
console.log(err);
return;
}
console.log(body);
}

HTH,
Mikkel
https://www.oblivious.io/ <https://www.oblivious.io/?r=googlenodejs>

Post by EB
I'm confused how to export jQuery correctly in order to test several
functions with mocha and the assertion library chai. Hopefully this is a
beginner's error...
https://github.com/mskilab/gGnome.js/tree/add_tests
I'm having trouble with the functions in
https://github.com/mskilab/gGnome.js/blob/master/js/misc.js
https://github.com/mskilab/gGnome.js/blob/add_tests/test/miscTest.js
https://github.com/mskilab/gGnome.js/blob/add_tests/js/misc.js#L2
const $ = require('jquery');
However, I'm still getting errors when I try to use the functions in
TypeError: $.ajax is not a function
This is from trying to run
console.log(Misc.metadata);
within `misc.js`
How do I correctly export jQuery so it's recognized?

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[Evan Biederstedt]

Hi Mikkel

This is a good work around. I think you might be right---I may not have
been thinking clearly about jquery.

Thanks, Evan

Post by Mikkel Wilson
So, this is a server-side javascript environment. jQuery is more suited to
a client-side environment (in a browser, not on a server). I think you're
trying to use jQuery to make a request to a /metadata endpoint on a server
to get some JSON. I'd suggest you use the 'request' package instead.
npm install request --save
const request = require('request');
request(Misc.server+'/metadata', function(err, response, body){
if(err) {
console.log(err);
return;
}
console.log(body);
}
HTH,
Mikkel
https://www.oblivious.io/ <https://www.oblivious.io/?r=googlenodejs>

Post by EB
I'm confused how to export jQuery correctly in order to test several
functions with mocha and the assertion library chai. Hopefully this is a
beginner's error...
https://github.com/mskilab/gGnome.js/tree/add_tests
I'm having trouble with the functions in
https://github.com/mskilab/gGnome.js/blob/master/js/misc.js
https://github.com/mskilab/gGnome.js/blob/add_tests/test/miscTest.js
https://github.com/mskilab/gGnome.js/blob/add_tests/js/misc.js#L2
const $ = require('jquery');
However, I'm still getting errors when I try to use the functions in
TypeError: $.ajax is not a function
This is from trying to run
console.log(Misc.metadata);
within `misc.js`
How do I correctly export jQuery so it's recognized?
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Posting-Guidelines
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