stretchr/testify

Colorize "expected" and "actual"

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#946 opened on May 13, 2020

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enhancementenhancement: colored outputhelp wanted

Description

Can we have an option to colorize "expected" and "actual" in test output? Like this: Screenshot from 2020-05-13 18-27-59

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For me the colors helps because it allows me to locate the diff faster. This kind of coloring is very common in Node.js test frameworks.

Contributor guide

Tech stack
go
Domain
testingdeveloper experience
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
Go programmingfamiliarity with testifyunderstanding of terminal color codesbasic understanding of test output formatting
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60
Research direction
Investigate the testify codebase for test output formatting, particularly in the 'assert' package. Explore existing customization options. Review comments in issue #946 for any suggested approaches. Consider implementing a color option using terminal color codes, similar to Node.js frameworks.