Module: ActiveSupport::Testing::Isolation::Subprocess

Defined in:
activesupport/lib/active_support/testing/isolation.rb

Constant Summary

ORIG_ARGV =
ARGV.dup

Instance Method Summary (collapse)

Instance Method Details

- (Object) run_in_isolation(&blk)

Crazy H4X to get this working in windows / jruby with no forking.



117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
# File 'activesupport/lib/active_support/testing/isolation.rb', line 117

def run_in_isolation(&blk)
  require "tempfile"

  if ENV["ISOLATION_TEST"]
    proxy = ProxyTestResult.new
    retval = yield proxy
    File.open(ENV["ISOLATION_OUTPUT"], "w") do |file|
      file.puts [Marshal.dump([retval, proxy])].pack("m")
    end
    exit!
  else
    Tempfile.open("isolation") do |tmpfile|
      ENV["ISOLATION_TEST"]   = @method_name
      ENV["ISOLATION_OUTPUT"] = tmpfile.path

      load_paths = $-I.map {|p| "-I\"#{File.expand_path(p)}\"" }.join(" ")
      `#{Gem.ruby} #{load_paths} #{$0} #{ORIG_ARGV.join(" ")} -t\"#{self.class}\"`

      ENV.delete("ISOLATION_TEST")
      ENV.delete("ISOLATION_OUTPUT")

      return tmpfile.read.unpack("m")[0]
    end
  end
end