Description

Code coverage is a staple in code quality assurance – this PR adds code coverage instrumentation to ez-build output so that coverage can be collected on its output.

Motivation and Context

As a developer using ez-build to compile my code, I want the ability to add coverage instrumentation so I can ensure good coverage when implementing tests for my code.

How Was This Tested?

I've added both unit tests for parsing the --coverage option and CLI tests for checking that the output is as expected when the option is set and when it's not.

Types of changes

[ ] Bug fix (non-breaking change which fixes an issue)
[x] New feature (non-breaking change which adds functionality)
[ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

[x] My change follows the style of this project
[x] My change requires a change to the documentation
[x] I have updated the documentation accordingly
[x] I have read the contribution guidelines
[x] I have added tests to cover my changes
[x] All new and existing tests passed

Codecov Report

Merging #49 into master will decrease coverage by 1.55%. The diff coverage is 75%.

@@            Coverage Diff             @@
##           master      #49      +/-   ##
==========================================
- Coverage    95.2%   93.65%   -1.56%     
==========================================
  Files          15       15              
  Lines         334      315      -19     
==========================================
- Hits          318      295      -23     
- Misses         16       20       +4

Impacted Files	Coverage Δ
src/cli/opts.js	`100% <100%> (ø)`	:arrow_up:
src/builder/javascript.js	`96.87% <50%> (-3.13%)`	:arrow_down:
src/postbuild/rebase-prod-css.js	`16.66% <0%> (-83.34%)`	:arrow_down:
src/builder/css.js	`100% <0%> (ø)`	:arrow_up:
src/main.js	`98.98% <0%> (+1.66%)`	:arrow_up:

Continue to review full report at Codecov.

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zambezi / ez-build

Add code coverage instrumentation support #49