[#JRUBY-1895] IO.popen does not support "-"

JRuby

JRUBY-1890

IO.popen does not support "-"

Created: 04/Jan/08 08:53 PM Updated: 15/Feb/08 12:55 PM

Component/s:

Core Classes/Modules

Affects Version/s:

None

Fix Version/s:

None

Time Tracking:

Not Specified

Description

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popen("-") is not supported in JRuby yet

Error:

  5) Error:
test_s_popen_spawn(TestIO):
IOError: Cannot run program "-" (in directory "/Users/headius/NetBeansProjects/jruby"): -: not found
    /Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/testcase.rb:78:in `run'
    /Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/testsuite.rb:34:in `run'
    /Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/testsuite.rb:33:in `each'
    /Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/testsuite.rb:33:in `run'
    /Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/testsuite.rb:33:in `each'
    /Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/testsuite.rb:33:in `run'
    /Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/testsuite.rb:33:in `run_suite'
    /Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/ui/testrunnermediator.rb:46:in `start_mediator'
    /Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/ui/console/testrunner.rb:41:in `start'
    /Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/ui/testrunnerutilities.rb:29:in `run'
    /Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/autorunner.rb:216:in `run'
    /Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/autorunner.rb:12:in `run'
    /Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit.rb:278:in `run'
    /Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit.rb:276

Test:

def test_s_popen_spawn
    unless WIN32
      # Spawn an interpreter - WRITE
      parent = $$
      pipe = IO.popen("-", "w")
      
      if pipe
	begin
	  assert_equal(parent, $$)
	  pipe.puts "12"
	  Process.wait pipe.pid
	  assert_equal(12, $?>>8)
	ensure
	  pipe.close
	end
      else
	buff = $stdin.gets
	exit buff.to_i
      end
      
      # Spawn an interpreter - READWRITE
      parent = $$
      p = IO.popen("-", "w+")
      
      if p
	begin
	  assert_equal(parent, $$)
	  p.puts "Hello\n"
	  assert_equal("Goodbye\n", p.gets)
	  Process.wait
	ensure
	  p.close
	end
      else
	puts "Goodbye" if $stdin.gets == "Hello\n"
	exit
      end
    end
  end

Description

popen("-") is not supported in JRuby yet Error:

  5) Error:
test_s_popen_spawn(TestIO):
IOError: Cannot run program "-" (in directory "/Users/headius/NetBeansProjects/jruby"): -: not found
    /Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/testcase.rb:78:in `run'
    /Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/testsuite.rb:34:in `run'
    /Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/testsuite.rb:33:in `each'
    /Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/testsuite.rb:33:in `run'
    /Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/testsuite.rb:33:in `each'
    /Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/testsuite.rb:33:in `run'
    /Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/testsuite.rb:33:in `run_suite'
    /Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/ui/testrunnermediator.rb:46:in `start_mediator'
    /Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/ui/console/testrunner.rb:41:in `start'
    /Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/ui/testrunnerutilities.rb:29:in `run'
    /Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/autorunner.rb:216:in `run'
    /Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/autorunner.rb:12:in `run'
    /Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit.rb:278:in `run'
    /Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit.rb:276

Test:

def test_s_popen_spawn
    unless WIN32
      # Spawn an interpreter - WRITE
      parent = $$
      pipe = IO.popen("-", "w")
      
      if pipe
	begin
	  assert_equal(parent, $$)
	  pipe.puts "12"
	  Process.wait pipe.pid
	  assert_equal(12, $?>>8)
	ensure
	  pipe.close
	end
      else
	buff = $stdin.gets
	exit buff.to_i
      end
      
      # Spawn an interpreter - READWRITE
      parent = $$
      p = IO.popen("-", "w+")
      
      if p
	begin
	  assert_equal(parent, $$)
	  p.puts "Hello\n"
	  assert_equal("Goodbye\n", p.gets)
	  Process.wait
	ensure
	  p.close
	end
      else
	puts "Goodbye" if $stdin.gets == "Hello\n"
	exit
      end
    end
  end

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[ Permlink | « Hide ]

Vladimir Sizikov - 06/Feb/08 01:22 PM

For now, IO.popen("-") raises NotImplementedError instead of IOErorr (rev. 5849).

[ Permlink | « Hide ]

Charles Oliver Nutter - 15/Feb/08 12:55 PM

Removing target release from issues that fit any of the following criteria:

No known way to fix them
Java integration enhancements out of scope for 1.1 release
Other out of scope issues for 1.1