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module Mutant
class Killer
# Runner for rspec tests
class Rspec < self
TYPE = 'rspec'.freeze
private
# Initialize rspec runner
#
# @return [undefined]
#
# @api private
#
def initialize(*)
@error_stream, @output_stream = StringIO.new, StringIO.new
super
end
# Run rspec test
#
# @return [true]
# returns true when test is NOT successful and the mutant was killed
#
# @return [false]
# returns false otherwise
#
# @api private
#
def run
!run_rspec.zero?
end
memoize :run
# Run rspec with some wired compat stuff
#
# @return [Fixnum]
# returns the exit status from rspec runner
#
# @api private
#
def run_rspec
::RSpec::Core::Runner.run(command_line_arguments, @error_stream, @output_stream)
end
# Return command line arguments
#
# @return [Array]
#
# @api private
#
def command_line_arguments
%W(
--fail-fast
) + Dir[filename_pattern]
end
# Return filename pattern
#
# @return [String]
#
# @api private
#
def filename_pattern
strategy.filename_pattern(mutation)
end
end
end
end
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