114 lines
2.5 KiB
Ruby
114 lines
2.5 KiB
Ruby
module Mutant
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class Killer
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# Runner for rspec tests
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class Rspec < self
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# Run block in clean rspec environment
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#
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# @return [Object]
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# returns the value of block
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#
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# @api private
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#
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def self.nest
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original_world, original_configuration =
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::RSpec.instance_variable_get(:@world),
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::RSpec.instance_variable_get(:@configuration)
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::RSpec.reset
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yield
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ensure
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::RSpec.instance_variable_set(:@world, original_world)
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::RSpec.instance_variable_set(:@configuration, original_configuration)
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end
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# Return identification
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#
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# @return [String]
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#
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# @api private
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#
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def identification
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"rspec:#{mutation.identification}".freeze
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end
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memoize :identification
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private
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# Initialize rspec runner
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#
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# @return [undefined]
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#
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# @api private
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#
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def initialize(*)
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@error_stream, @output_stream = StringIO.new, StringIO.new
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super
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end
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# Run rspec test
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#
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# @return [true]
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# returns true when test is NOT successful and the mutant was killed
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#
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# @return [false]
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# returns false otherwise
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#
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# @api private
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#
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def run
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!run_rspec.zero?
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end
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# Run rspec with some wired compat stuff
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#
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# FIXME: This extra stuff needs to be configurable per project
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#
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# @return [Fixnum]
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# returns the exit status from rspec runner
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#
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# @api private
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#
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def run_rspec
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require 'rspec'
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self.class.nest do
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require './spec/spec_helper.rb'
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if RSpec.world.shared_example_groups.empty?
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Dir['spec/{support,shared}/**/*.rb'].each { |f| load(f) }
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end
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::RSpec::Core::Runner.run(command_line_arguments, @error_stream, @output_stream)
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end
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end
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# Return command line arguments
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#
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# @return [Array]
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#
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# @api private
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#
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def command_line_arguments
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%W(
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--fail-fast
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) + Dir[filename_pattern]
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end
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class Forking < self
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# Run rspec in subprocess
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#
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# @return [Fixnum]
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# returns the exit status from rspec runner
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#
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# @api private
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#
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def run_rspec
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fork do
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exit run_rspec
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end
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pid, status = Process.wait2
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status.exitstatus
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end
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end
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end
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end
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end
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