mjackson/expect

whyNotEqual

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#153 opened on Aug 19, 2016

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Description

I'm getting what appears to be a bogus error:

    Expected { app: { data: {}, ui: { fetchinUser: false, fetchingInstruments: false, fetchingLoans: false, modalOpen: false, modalView: null, selectedTab: 0, sidebarOpen: false, sidebarView: null, snackbarList: [], snackbarNextId: 0 } }, form: { search: { _active: 'query', _asyncValidating: false, _error: undefined, _initialized: false, _submitFailed: false, _submitting: false, query: { _isFieldValue: true, visited: true } } } } to equal { app: { data: {}, ui: { fetchinUser: false, fetchingInstruments: false, fetchingLoans: false, modalOpen: false, modalView: null, selectedTab: 0, sidebarOpen: false, sidebarView: null, snackbarList: [], snackbarNextId: 0 } }, form: { search: { _active: 'query', _asyncValidating: false, _initialized: false, _submitFailed: false, _submitting: false, query: { _isFieldValue: true, visited: true } } } }

It would be great is failed assertions would use whyNotEqual to report the issue:

https://www.npmjs.com/package/is-equal#want-to-know-why-two-values-are-not-equal

Contributor guide

Research direction
Inspect the existing deep equality implementation in the expect library and understand how to integrate the `is equal` package's `whyNotEqual` function to provide detailed failure messages.
Tech stack
javascript
Domain
testing qa
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
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Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
Git
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70