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|
RSpec::Support.require_rspec_core "shell_escape"
require 'open3'
require 'shellwords'
module RSpec
module Core
module Bisect
# Provides an API to run the suite for a set of locations, using
# the given bisect server to capture the results.
# @private
class Runner
attr_reader :original_cli_args
def initialize(server, original_cli_args)
@server = server
@original_cli_args = original_cli_args.reject { |arg| arg.start_with?("--bisect") }
end
def run(locations)
run_locations(locations, original_results.failed_example_ids)
end
def command_for(locations)
parts = []
parts << RUBY << load_path
parts << open3_safe_escape(RSpec::Core.path_to_executable)
parts << "--format" << "bisect"
parts << "--drb-port" << @server.drb_port
parts.concat reusable_cli_options
parts.concat locations.map { |l| open3_safe_escape(l) }
parts.join(" ")
end
def repro_command_from(locations)
parts = []
parts.concat environment_repro_parts
parts << "rspec"
parts.concat Formatters::Helpers.organize_ids(locations)
parts.concat original_cli_args_without_locations
parts.join(" ")
end
def original_results
@original_results ||= run_locations(original_locations)
end
private
include RSpec::Core::ShellEscape
# On JRuby, Open3.popen3 does not handle shellescaped args properly:
# https://github.com/jruby/jruby/issues/2767
if RSpec::Support::Ruby.jruby?
# :nocov:
alias open3_safe_escape quote
# :nocov:
else
alias open3_safe_escape escape
end
def run_locations(*capture_args)
@server.capture_run_results(*capture_args) do
run_command command_for([])
end
end
# `Open3.capture2e` does not work on JRuby:
# https://github.com/jruby/jruby/issues/2766
if Open3.respond_to?(:capture2e) && !RSpec::Support::Ruby.jruby?
def run_command(cmd)
Open3.capture2e(bisect_environment_hash, cmd).first
end
else # for 1.8.7
# :nocov:
def run_command(cmd)
out = err = nil
original_spec_opts = ENV['SPEC_OPTS']
ENV['SPEC_OPTS'] = spec_opts_without_bisect
Open3.popen3(cmd) do |_, stdout, stderr|
# Reading the streams blocks until the process is complete
out = stdout.read
err = stderr.read
end
"Stdout:\n#{out}\n\nStderr:\n#{err}"
ensure
ENV['SPEC_OPTS'] = original_spec_opts
end
# :nocov:
end
def bisect_environment_hash
if ENV.key?('SPEC_OPTS')
{ 'SPEC_OPTS' => spec_opts_without_bisect }
else
{}
end
end
def environment_repro_parts
bisect_environment_hash.map do |k, v|
%Q(#{k}="#{v}")
end
end
def spec_opts_without_bisect
Shellwords.join(
Shellwords.split(ENV.fetch('SPEC_OPTS', '')).reject do |arg|
arg =~ /^--bisect/
end
)
end
def reusable_cli_options
@reusable_cli_options ||= begin
opts = original_cli_args_without_locations
if (port = parsed_original_cli_options[:drb_port])
opts -= %W[ --drb-port #{port} ]
end
parsed_original_cli_options.fetch(:formatters) { [] }.each do |(name, out)|
opts -= %W[ --format #{name} -f -f#{name} ]
opts -= %W[ --out #{out} -o -o#{out} ]
end
opts
end
end
def original_cli_args_without_locations
@original_cli_args_without_locations ||= begin
files_or_dirs = parsed_original_cli_options.fetch(:files_or_directories_to_run)
@original_cli_args - files_or_dirs
end
end
def parsed_original_cli_options
@parsed_original_cli_options ||= Parser.parse(@original_cli_args)
end
def original_locations
parsed_original_cli_options.fetch(:files_or_directories_to_run)
end
def load_path
@load_path ||= "-I#{$LOAD_PATH.map { |p| open3_safe_escape(p) }.join(':')}"
end
# Path to the currently running Ruby executable, borrowed from Rake:
# https://github.com/ruby/rake/blob/v10.4.2/lib/rake/file_utils.rb#L8-L12
# Note that we skip `ENV['RUBY']` because we don't have to deal with running
# RSpec from within a MRI source repository:
# https://github.com/ruby/rake/commit/968682759b3b65e42748cd2befb2ff3e982272d9
RUBY = File.join(
RbConfig::CONFIG['bindir'],
RbConfig::CONFIG['ruby_install_name'] + RbConfig::CONFIG['EXEEXT']).
sub(/.*\s.*/m, '"\&"')
end
end
end
end
|
