216 lines
4.1 KiB
Ruby
216 lines
4.1 KiB
Ruby
module Mutant
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class Reporter
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# Reporter that reports in human readable format
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class CLI < self
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# Initialize reporter
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#
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# @param [Config] config
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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(config)
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super
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@io = $stdout
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end
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# Reporte subject
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#
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# @param [Subject] subject
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#
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# @return [self]
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#
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# @api private
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#
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def subject(subject)
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super
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puts("Subject: #{subject.identification}")
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end
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# Return error stream
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#
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# @return [IO]
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#
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# @api private
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#
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def error_stream
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debug? ? io : StringIO.new
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end
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# Return output stream
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#
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# @return [IO]
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#
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# @api private
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#
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def output_stream
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debug? ? io : StringIO.new
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end
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# Report mutation
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#
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# @param [Mutation] mutation
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#
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# @return [self]
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#
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# @api private
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#
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def mutation(mutation)
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super
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if debug?
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colorized_diff(mutation)
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end
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self
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end
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# Report start
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#
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# @param [Mutant::Config] config
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#
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# @return [self]
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#
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# @api private
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#
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def start(config)
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message = []
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message << 'Mutant configuration:'
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message << "Matcher: #{config.matcher.inspect}"
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message << "Filter: #{config.filter.inspect}"
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message << "Strategy: #{config.strategy.inspect}"
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puts message.join("\n")
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super
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end
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# Report stop
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#
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# @return [self]
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#
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# @api private
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#
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def stop
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super
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end
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# Report killer
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#
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# @param [Killer] killer
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#
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# @return [self]
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#
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# @api private
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#
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def report_killer(killer)
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super
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status = killer.killed? ? 'Killed' : 'Alive'
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color = killer.success? ? Color::GREEN : Color::RED
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puts(colorize(color, "%s: %s (%02.2fs)" % [status, killer.identification, killer.runtime]))
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unless killer.success?
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colorized_diff(killer.mutation)
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end
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self
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end
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private
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# Return IO stream
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#
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# @return [IO]
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#
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# @api private
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#
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attr_reader :io
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# Test for colored output
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#
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# @return [true]
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# returns true if output is colored
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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 color?
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tty?
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end
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# Colorize message
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#
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# @param [Color] color
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# @param [String] message
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#
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# @api private
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#
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# @return [String]
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# returns colorized string if color is enabled
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# returns unmodified message otherwise
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#
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def colorize(color, message)
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color = Color::NONE unless color?
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color.format(message)
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end
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# Write string to io
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#
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# @param [String] string
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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 puts(string="\n")
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io.puts(string)
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end
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# Write colorized diff
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#
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# @param [Mutation] mutation
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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 colorized_diff(mutation)
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if mutation.kind_of?(Mutation::Neutral)
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puts mutation.original_source
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return
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end
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original, current = mutation.original_source, mutation.source
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differ = Differ.new(original, current)
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diff = color? ? differ.colorized_diff : differ.diff
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if diff.empty?
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raise 'Unable to create a diff, so ast mutation or to_source has an error!'
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end
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puts(diff)
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self
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end
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# Test for output to tty
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#
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# @return [true]
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# returns true if output is a tty
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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 tty?
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@io.respond_to?(:tty?) && @io.tty?
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end
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memoize :tty?
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end
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end
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end
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