lib/rspec/core/bisect/coordinator.rb
RSpec::Support.require_rspec_core "bisect/shell_command"
RSpec::Support.require_rspec_core "bisect/example_minimizer"
RSpec::Support.require_rspec_core "bisect/utilities"
RSpec::Support.require_rspec_core "formatters/bisect_progress_formatter"
module RSpec
module Core
module Bisect
# The main entry point into the bisect logic. Coordinates among:
# - Bisect::ShellCommand: Generates shell commands to run spec subsets
# - Bisect::ExampleMinimizer: Contains the core bisect logic.
# - A bisect runner: runs a set of examples and returns the results.
# - A bisect formatter: provides progress updates to the user.
# @private
class Coordinator
def self.bisect_with(spec_runner, original_cli_args, formatter)
new(spec_runner, original_cli_args, formatter).bisect
end
def initialize(spec_runner, original_cli_args, formatter)
@spec_runner = spec_runner
@shell_command = ShellCommand.new(original_cli_args)
@notifier = Bisect::Notifier.new(formatter)
end
def bisect
repro = start_bisect_runner do |runner|
minimizer = ExampleMinimizer.new(@shell_command, runner, @notifier)
gracefully_abort_on_sigint(minimizer)
minimizer.find_minimal_repro
minimizer.repro_command_for_currently_needed_ids
end
@notifier.publish(:bisect_repro_command, :repro => repro)
true
rescue BisectFailedError => e
@notifier.publish(:bisect_failed, :failure_explanation => e.message)
false
ensure
@notifier.publish(:close)
end
private
def start_bisect_runner(&block)
klass = @spec_runner.configuration.bisect_runner_class
klass.start(@shell_command, @spec_runner, &block)
end
def gracefully_abort_on_sigint(minimizer)
trap('INT') do
repro = minimizer.repro_command_for_currently_needed_ids
@notifier.publish(:bisect_aborted, :repro => repro)
exit(1)
end
end
end
end
end
end