class Crispr::Runner

def self.run_mutation(path:, mutated_source:)

Returns:
  • (Boolean) - true if the mutation was killed (test suite failed), false otherwise

Parameters:
  • mutated_source (String) -- the mutated version of the file's source code
  • path (String) -- the path to the source file to mutate 
def self.run_mutation(path:, mutated_source:)
  original_source = File.read(path)
  begin
    File.write(path, mutated_source)
    stdout, stderr, status = Open3.capture3("bundle exec rspec")
    killed = !status.success?
    puts stdout unless status.success?
    puts stderr unless status.success?
    killed
  ensure
    File.write(path, original_source)
  end
end