96 lines
2 KiB
Ruby
96 lines
2 KiB
Ruby
module Mutant
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class Killer
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# Simple runner for rspec tests
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class Rspec < self
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# Return error stream
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#
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# @return [StringIO]
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#
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# @api private
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#
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attr_reader :error_stream
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# Return output stream
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#
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# @return [StringIO]
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#
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# @api private
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#
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attr_reader :output_stream
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# Run block in clean rspec environment
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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 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.instance_variable_set(:@world,nil)
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::RSpec.instance_variable_set(:@configuration,nil)
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yield
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self
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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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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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!RSpec::Core::Runner.run(command_line_arguments, error_stream, output_stream).zero?
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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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# Return rspec filename pattern
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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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# TODO: Add an option or be clever and only run affected specs.
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#
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def filename_pattern
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'spec/unit/**/*_spec.rb'
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end
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end
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end
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end
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