Get Rspec test data in JSON format

Question

How can I get the data from my Rspec tests in JSON format? like, how many tests failed etc.

I know that I can get it if I run Rspec from ruby, as described here I'll just paste the code here for convenience.

run(paths)
  # runs rspec tests from ruby
  # source: https://stackoverflow.com/a/10412793/805156

  config = RSpec.configuration

  formatter = RSpec::Core::Formatters::JsonFormatter.new(config.output_stream)

  # create reporter with json formatter
  reporter =  RSpec::Core::Reporter.new(config)
  config.instance_variable_set(:@reporter, reporter)

  # internal hack
  # api may not be stable, make sure lock down Rspec version
  loader = config.send(:formatter_loader)
  notifications = loader.send(:notifications_for, RSpec::Core::Formatters::JsonFormatter)

  reporter.register_listener(formatter, *notifications)

  RSpec::Core::Runner.run(paths)

  formatter.output_hash

end

Is there a way to write this json output to a file whenever Rspec test suite runs?

Frederick Cheung · Accepted Answer · 2015-04-13 07:15:24Z

2

Given that this just involves running with a specific formatter you can just run

rspec --format json > output.json

answered Apr 13, 2015 at 7:15

Frederick Cheung

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