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An in-range update of mocha is breaking the build 🚨 #107

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An in-range update of mocha is breaking the build 🚨#107
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opened on Feb 18, 2019

The devDependency mocha was updated from 5.2.0 to 6.0.0.

🚨 View failing branch.

This version is covered by your current version range and after updating it in your project the build failed.

mocha is a devDependency of this project. It might not break your production code or affect downstream projects, but probably breaks your build or test tools, which may prevent deploying or publishing.

Status Details
  • ❌ continuous-integration/travis-ci/push: The Travis CI build failed (Details).
Release Notes for v6.0.0

6.0.0 / 2019-02-18

💥 Breaking Changes

  • #3149: Drop Node.js v4.x support (@outsideris)
  • #3556: Changes to command-line options (@boneskull):
    • --grep and --fgrep are now mutually exclusive; attempting to use both will cause Mocha to fail instead of simply ignoring --grep
    • --compilers is no longer supported; attempting to use will cause Mocha to fail with a link to more information
    • -d is no longer an alias for --debug; -d is currently ignored
    • #3275: --watch-extensions no longer implies js; it must be explicitly added (@TheDancingCode)
  • #2908: tap reporter emits error messages (@chrmod)
  • #2819: When conditionally skipping in a before hook, subsequent before hooks and tests in nested suites are now skipped (@bannmoore)
  • #627: Emit filepath in "timeout exceeded" exceptions where applicable (@boneskull)
  • #3556: lib/template.html has moved to lib/browser/template.html (@boneskull)
  • #2576: An exception is now thrown if Mocha fails to parse or find a mocha.opts at a user-specified path (@plroebuck)
  • #3458: Instantiating a Base-extending reporter without a Runner parameter will throw an exception (@craigtaub)
  • #3125: For consumers of Mocha's programmatic API, all exceptions thrown from Mocha now have a code property (and some will have additional metadata). Some Error messages have changed. Please use the code property to check Error types instead of the message property; these descriptions will be localized in the future. (@craigtaub)

📠 Deprecations

These are soft-deprecated, and will emit a warning upon use. Support will be removed in (likely) the next major version of Mocha:

  • -gc users should use --gc-global instead
  • Consumers of the function exported by bin/options should now use the loadMochaOpts or loadOptions (preferred) functions exported by the lib/cli/options module

Regarding the Mocha class constructor (from lib/mocha):

  • Use property color: false instead of useColors: false
  • Use property timeout: false instead of enableTimeouts: false

All of the above deprecations were introduced by #3556.

mocha.opts is now considered "legacy"; please prefer RC file or package.json over mocha.opts.

🎉 Enhancements

Enhancements introduced in #3556:

  • Mocha now supports "RC" files in JS, JSON, YAML, or package.json-based (using mocha property) format

    • .mocharc.js, .mocharc.json, .mocharc.yaml or .mocharc.yml are valid "rc" file names and will be automatically loaded
    • Use --config /path/to/rc/file to specify an explicit path
    • Use --package /path/to/package.json to specify an explicit package.json to read the mocha prop from
    • Use --no-config or --no-package to completely disable loading of configuration via RC file and package.json, respectively
    • Configurations are merged as applicable using the priority list:
      1. Command-line arguments
      2. RC file
      3. package.json
      4. mocha.opts
      5. Mocha's own defaults
    • Check out these example config files

  • Node/V8 flag support in mocha executable:

    • Support all allowed node flags as supported by the running version of node (also thanks to @demurgos)
    • Support any V8 flag by prepending --v8- to the flag name
    • All flags are also supported via config files, package.json properties, or mocha.opts
    • Debug-related flags (e.g., --inspect) now imply --no-timeouts
    • Use of e.g., --debug will automatically invoke --inspect if supported by running version of node

  • Support negation of any Mocha-specific command-line flag by prepending --no- to the flag name

  • Interfaces now have descriptions when listed using --interfaces flag

  • Mocha constructor supports all options

  • --extension is now an alias for --watch-extensions and affects non-watch-mode test runs as well. For example, to run only test/*.coffee (not test/*.js), you can do mocha --require coffee-script/register --extensions coffee.

  • #3552: tap reporter is now TAP13-capable (@plroebuck & @mollstam)

  • #3535: Mocha's version can now be queried programmatically via public property Mocha.prototype.version (@plroebuck)

  • #3428: xunit reporter shows diffs (@mlucool)

  • #2529: Runner now emits a retry event when tests are retried (reporters can listen for this) (@catdad)

  • #2962, #3111: In-browser notification support; warn about missing prereqs when --growl supplied (@plroebuck)

🐛 Fixes

📖 Documentation

🔩 Other

Commits

The new version differs by 209 commits ahead by 209, behind by 39.

  • 42303e2 Release v6.0.0
  • a553ca7 punctuation updates for changelog v6.0.0
  • c710792 grammar updates for changelog v6.0.0
  • 9f9293a update changelog for v6.0.0
  • a540eb0 remove "projects" section from MAINTAINERS.md [ci skip]
  • 52b5c42 Uppercased JSON reporter name in describe title (#3739)
  • 82307fb Fix .globals to remove falsy values (#3737)
  • 56dc28e Remove unnecessary post-processing code having no effect; closes #3708 (#3733)
  • 16b4281 Documentation updates (#3728)
  • 5d9d3eb Update nyc
  • 118c9ae Refactor out usages of Suite#_onlyTests and Suite#_onlyTests (#3689) (#3707)
  • 0dacd1f Add ability to unload files from require cache (redux) (#3726)
  • 66a52f2 update release steps [ci skip]
  • 45ae014 Refactor lookupFiles and files (#3722)
  • 94c9320 fix --reporter-option to allow comma-separated options; closes #3706

There are 209 commits in total.

See the full diff

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