150 lines
2.5 KiB
Ruby
150 lines
2.5 KiB
Ruby
module Mutant
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# Runner that allows to mutate an entire project
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class Runner
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include Adamantium::Flat
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extend MethodObject
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# Return killers with errors
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#
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# @return [Enumerable<Killer>]
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#
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# @api private
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#
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attr_reader :errors
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# Test for failure
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#
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# @return [true]
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# returns true when there are left mutations
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#
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# @return [false]
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# returns false othewise
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#
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# @api private
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#
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def fail?
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!errors.empty?
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end
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# Return config
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#
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# @return [Mutant::Config]
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#
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# @api private
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#
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attr_reader :config
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private
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# Initialize object
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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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@config, @errors = config, []
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util_reporter = reporter
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util_reporter.config(config)
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run
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util_reporter.errors(@errors)
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end
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# Return reporter
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#
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# @return [Reporter]
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#
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# @api private
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#
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def reporter
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config.reporter
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end
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# Run mutation killers on subjects
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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 run
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config.matcher.each do |subject|
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reporter.subject(subject)
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run_subject(subject)
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end
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end
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# Run mutation killers on subject
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#
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# @param [Subject] subject
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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 run_subject(subject)
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return unless noop(subject)
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subject.each do |mutation|
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next unless config.filter.match?(mutation)
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reporter.mutation(mutation)
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kill(mutation)
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end
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end
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# Test for noop mutation
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#
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# @param [Subject] subject
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#
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# @return [true]
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# if noop mutation is okay
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#
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# @return [false]
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# otherwise
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#
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# @api private
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#
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def noop(subject)
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killer = killer(subject.noop)
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reporter.noop(killer)
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unless killer.fail?
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@errors << killer
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return false
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end
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true
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end
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# Run killer on mutation
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#
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# @param [Mutation] mutation
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#
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# @return [true]
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# if killer was unsuccessful
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#
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# @return [false]
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# otherwise
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#
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# @api private
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#
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def kill(mutation)
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killer = killer(mutation)
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reporter.killer(killer)
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if killer.fail?
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@errors << killer
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end
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end
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# Return killer for mutation
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#
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# @return [Killer]
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#
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# @api private
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#
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def killer(mutation)
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config.strategy.kill(mutation)
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end
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end
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end
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