Travis --no-color, truncated test cases

[kevinawoo]

When testing using Travis using the option --no-colors, color escape codes are still being outputted. This leads to some test cases being truncated.

Latest mocha master branch

See Travis with --no-color option

Here's the raw outputs of a different repo I have running mocha+travis:

Not truncated, colorized (using mocha) output from travis:

 [0m [0m
 [0m  CAR COLOR: [0m
 [0m    find [0m
 [2K [0G     [32m  ✓ [0m [90m return all car colors [0m [33m (55ms) [0m
 [2K [0G     [32m  ✓ [0m [90m return all managed car colors [0m
 [2K [0G     [32m  ✓ [0m [90m return all unmanaged car colors [0m

Truncated, colorized turned off (using mocha --no-colors) output from travis:

  CAR COLOR:
    find
 [2K [0G      ✓ return all car colors (48ms)
 [2K [0G      ✓ return all managed car colors
 [2K [0G      ✓ return all unmanaged car colors

---

I've spoken with Travis and they have a couple issues already open for it. Support Engineer's reply:

I am afraid that some escape sequences are hard to emulate on line-oriented log display like ours. For example, [nK (https://github.com/travis-ci/travis-ci/issues/1950) and [nG (https://github.com/travis-ci/travis-ci/issues/1951) are not supported as a result.

Is there a way to suppress these ANSI sequences on your testing tool?

[boneskull]

you'd have to run mocha with --no-colors

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