I am trying to execute rspec from ruby, and get the status or number of failures from a method or something like that. Actually I am running something like this:
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I suggest you to take a look into rspec source code to find out the answer. I think you can start with example_group_runner
Edit: Ok here is the way:
RSpec::Core::Runner::run(options, err, out)
Options - array of directories, err & out - streams. For example
RSpec::Core::Runner.run(['spec', 'another_specs'], $stderr, $stdout)