support for parallel_tests

[aaronjensen]

I noticed there's support for tddium's parallel builds, is there also support for the parallel_tests gem? I haven't had a chance to try it yet, so feel free to consider this issue a request for documentation if there already is :)

[brynary]

We don't have support for parallel_tests yet but we'd like to support it in the future. I'll leave this open and we'll update when we start on it.

[jgarber]

👍

[mfrister]

I'm not sure how similar Travis works to parallel_tests, but support for split up tests on Travis would be great.

[schlenks]

I'm a big fan of CircleCI's parallel builds, I'm hoping this will be supported soon.

[oki]

👍

[dpawliszko]

👍

[coryschires]

👍

[forrest]

👍

[Tuxified]

👍

[aaronjensen]

I was able to get this working. In your spec_helper.rb add:

require 'simplecov'
require 'codeclimate-test-reporter'
SimpleCov.add_filter 'vendor'
SimpleCov.formatters = []
SimpleCov.start CodeClimate::TestReporter.configuration.profile

Then after all your tests run, in a rake task do:

require 'simplecov'
require 'codeclimate-test-reporter'
CodeClimate::TestReporter::Formatter.new.format(SimpleCov.result)

That should send things to codeclimate aggregated. Be sure you're using simplecov >= 0.9.0

[calavera]

Thanks for the information @aaronjensen, that looks like a good trick!

Do you mind to open a PR to modify the readme pointing to this solution? I can do it myself, but I don't want to take credit.

[aaronjensen]

@calavera sure, done: #48 Thanks!

[calavera]

Closing this as fixed. Thank you!

[sguha00]

Does this fix work on CircleCI?

[aaronjensen]

@sguha00 no, it wouldn't. CircleCI runs the tests on different machines. There may be another way to aggregate them, but I don't know it. You could probably model it after the tddium parallelized build support: 31432b8

[vanwhale]

Run this script as part of the circle ci build process. The script will merge the simplecov results, format to html and also post to codeclimate.

Add the following to circle.yml (assuming the script path is script/circle)

test:
  post:
    - bundle exec script/circle

[iamnader]

@evanwhalen what does your spec helper look like? are you using the codeclimate reporter:

  require "codeclimate-test-reporter"
  CodeClimate::TestReporter.start

or SimpleCov directly?

Thanks!

[vanwhale]

@iamnader the spec helper only reference simplecov and not code climate test reporter. The aforementioned script merges the results generated by simplecov and posts them to code climate.

require 'simplecov'

if ENV['CIRCLE_ARTIFACTS']
  dir = File.join("..", "..", "..", ENV['CIRCLE_ARTIFACTS'], "coverage")
  SimpleCov.coverage_dir(dir)
end

[iamnader]

Thanks @evanwhalen

Isn't ENV["CIRCLE_ARTIFACTS"] an absolute path? Why do you use: "..", "..", ".." ?