Module: ActiveSupport::Testing::Isolation::Subprocess
Relationships & Source Files | |
Defined in: | activesupport/lib/active_support/testing/isolation.rb |
Constant Summary
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ORIG_ARGV =
# File 'activesupport/lib/active_support/testing/isolation.rb', line 65ARGV.dup
Instance Method Summary
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#run_in_isolation(&blk)
Complicated H4X to get this working in Windows / JRuby with no forking.
Instance Method Details
#run_in_isolation(&blk)
Complicated H4X to get this working in Windows / JRuby with no forking.
# File 'activesupport/lib/active_support/testing/isolation.rb', line 69
def run_in_isolation(&blk) require "tempfile" if ENV["ISOLATION_TEST"] yield test_result = defined?(Minitest::Result) ? Minitest::Result.from(self) : dup File.open(ENV["ISOLATION_OUTPUT"], "w") do |file| file.puts [Marshal.dump(test_result)].pack("m") end exit! else Tempfile.open("isolation") do |tmpfile| env = { "ISOLATION_TEST" => self.class.name, "ISOLATION_OUTPUT" => tmpfile.path } test_opts = "-n#{self.class.name}##{name}" load_path_args = [] $-I.each do |p| load_path_args << "-I" load_path_args << File. (p) end child = IO.popen([env, Gem.ruby, *load_path_args, $0, *ORIG_ARGV, test_opts]) begin Process.wait(child.pid) rescue Errno::ECHILD # The child process may exit before we wait nil end return tmpfile.read.unpack1("m") end end end