Re: [jasmine-js] How to get additional info on matcher fail?

[Doug Reeder]

There is no such mechanism in Jasmine at present, and IMNSHO that's a weakness.

You can do tricks like using .toEqual instead of .toBe to tell some expectations apart.

You can also write custom matchers like .toBeInstanceOf

-- Sent from my HP Pre 3

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On Aug 3, 2012 10:35 AM, Vadim Milichev <vadim.m...@gmail.com> wrote:

Hi,

Anybody knows, if there a way to express something like this in Jasmine?

var destination = someCopyMethod(source);

for (var key in source)

expect(destination[key]).toBe(source[key]).because(key + " should be copied from source");

I saw this “because” in one of C# BDD frameworks and liked it for expressiveness and brevity. Want it in Jasmine! May be some extension?

Without it, if matcher fails, we have no clue what the key value was:

Error: Expected undefined to be defined.

Or such tests should be written in other way?

Thanks

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