FAQ: Write Expressive Tests - Other assert methods

This community-built FAQ covers the “Other assert methods” exercise from the lesson “Write Expressive Tests”.

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Learn JavaScript Unit Testing

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Hello.

Just a quick note. According to the documentation, assert.notEqual() has been deprecated and i think the exercise needs to be updated to require assert.notStrictEqual.

Thanks.

4 Likes

https://nodejs.org/api/assert.html

It does not show as deprecated in that list. Is this page out of date?

I’d be more confused why notStrictEqual fails when the question uses !== (strict not equal).

Hello.

I’m a little new to this and I hope I’m not misreading that part highlighted in red.

Apologies in advance if I’m not understanding this properly.

Thanks.

Mon Maramba


mtf

    July 12

https://nodejs.org/api/assert.html

It does not show as deprecated in that list. Is this page out of date?

I’d be more confused why notStrictEqual fails when the question uses !== (strict not equal).

Not at all. Thanks for the added reference. I was just going by the page linked in my post.

It may be that browser vendors/working groups are leaning toward eventually disallowing loose typing in their quest to be more C/Java like. As long as != works in JS, notEquat should work in assert.

This would not be the first time the subject has come up. Best practice guidelines strongly suggest 'use strict' and get used to it.

For all we know the language still supports it for two reasons…

1. There is a significant amount of coercion in JS.
2. There is a tonne of old code out there written by dinosaurs like me that still needs to be able to run.

Granted, I try to get types to align, but don’t mind cheating a little.

1 Like