How can I make the exception of Chai.js include stack trace info?

Question

I am using Chai.js on Node. The line console.log(e) where e is an exception thrown by Chai.js print something like expected a to be within 0..3. How can I make the exception of Chai.js include stack trace info?

Trantor Liu · Accepted Answer · 2012-11-15 11:49:27Z

6

I found the answer. I can config chai to enable stack trace. Here's the code on assertion styles page of chai.

var chai = require('chai');
chai.Assertion.includeStack = true; // defaults to false

answered Nov 15, 2012 at 11:49

Trantor Liu

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2 Comments

Radko Dinev Over a year ago

It's chai.config.includeStack = true; as of Chai version 1.9.1 released on 2014-03-19. See relevant Chai release notes for more information.

dcastro Over a year ago

In what file would you put this?

Techniv · Accepted Answer · 2012-11-14 13:59:07Z

0

I don't use Chai.JS. But if e is an Error object, you can use the property stack of the object to get the stack trace.

The core module "util" may also help you : http://nodejs.org/api/util.html

answered Nov 14, 2012 at 13:59

Techniv

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