Contents

require_relative 'rspec_results'
require 'childprocess'

module RSpecSearchAndDestroy
  class RSpecDriver
    RESULT_FILE = '/tmp/example-results'
    EXAMPLE_FILE = '/tmp/examples-to-run'

    attr_reader :rspec_command

    def initialize(options = {})
      @rspec_command = options.fetch(:command, 'rspec').split(/\s/)
    end

    def load_run_results
      unless File.exist? RESULT_FILE
        raise <<ERR
The RSpec result file was not created. Please ensure that SAD is
added to your RSpec configuration.
ERR
      end

      File.open(RESULT_FILE, 'rb') do |f|
        RSpecResults.new(Marshal.load(f))
      end
    end

    def initial_run
      cleanup
      run_rspec
    end

    def run_examples(examples)
      locations = examples.map {|x| x[:location]}

      File.open(EXAMPLE_FILE, 'wb') do |f|
        Marshal.dump(locations, f)
      end

      run_rspec
    end

    def cleanup
      [EXAMPLE_FILE, RESULT_FILE].each do |fname|
        File.delete(fname) if File.exist? fname
      end
    end

    private

    def run_rspec
      process = ChildProcess.build(*rspec_command)
      process.io.inherit!
      process.environment["RSPEC_SAD_EXAMPLES"] = EXAMPLE_FILE
      process.environment["RSPEC_SAD_RESULTS"] = RESULT_FILE

      process.start
      process.wait
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
rspec-search-and-destroy-0.0.4	lib/rspec-search-and-destroy/rspec_driver.rb
rspec-search-and-destroy-0.0.3	lib/rspec-search-and-destroy/rspec_driver.rb