Examiner

Grade a student's exercise solution, assuming:

• The exercise uses minitest to be checked
• There is a Rakefile in the exercise folder

Installation

Add this line to your application's Gemfile:

gem 'examiner'

And then execute:

$ bundle

Usage

You can quickly grade a student's exercise solution with the following code.

exercise_directory = "/path/to/student_exercise_with_rakefile"

runner = Examiner::RakeRunner.new
begin
  runner.run exercise_directory
  puts "Results: #{runner.tests - runner.failures}/#{runner.tests}"
rescue Examiner::RakefileMissingError => e
  puts "Folder does not have any Rakefile"
rescue Examiner::MissingDefaultRakeTaskError => e
  puts "Could not launch tests with 'rake'"
end

# You can display stdout and stderr
puts runner.stdout_lines.join
puts runner.stderr_lines.join