* lib/open3.rb (Open3.popen3): merge hash options if given.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20448 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 205 insertions, 0 deletions

diff --git a/test/test_open3.rb b/test/test_open3.rb
new file mode 100644
index 0000000000..a484d4fb9b
--- /dev/null
+++ b/test/test_open3.rb
@@ -0,0 +1,205 @@
+require 'test/unit'
+require 'open3'
+require 'shellwords'
+require_relative 'ruby/envutil'
+
+class TestOpen3 < Test::Unit::TestCase
+  RUBY = EnvUtil.rubybin
+
+  def test_exit_status
+    Open3.popen3(RUBY, '-e', 'exit true') {|i,o,e,t|
+      assert_equal(true, t.value.success?)
+    }
+    Open3.popen3(RUBY, '-e', 'exit false') {|i,o,e,t|
+      assert_equal(false, t.value.success?)
+    }
+  end
+
+  def test_stdin
+    Open3.popen3(RUBY, '-e', 'exit STDIN.gets.chomp == "t"') {|i,o,e,t|
+      i.puts 't'
+      assert_equal(true, t.value.success?)
+    }
+    Open3.popen3(RUBY, '-e', 'exit STDIN.gets.chomp == "t"') {|i,o,e,t|
+      i.puts 'f'
+      assert_equal(false, t.value.success?)
+    }
+  end
+
+  def test_stdout
+    Open3.popen3(RUBY, '-e', 'STDOUT.print "foo"') {|i,o,e,t|
+      assert_equal("foo", o.read)
+    }
+  end
+
+  def test_stderr
+    Open3.popen3(RUBY, '-e', 'STDERR.print "bar"') {|i,o,e,t|
+      assert_equal("bar", e.read)
+    }
+  end
+
+  def test_block
+    r = Open3.popen3(RUBY, '-e', 'STDOUT.print STDIN.read') {|i,o,e,t|
+      i.print "baz"
+      i.close
+      assert_equal("baz", o.read)
+      "qux"
+    }
+    assert_equal("qux", r)
+  end
+
+  def test_noblock
+    i,o,e,t = Open3.popen3(RUBY, '-e', 'STDOUT.print STDIN.read')
+    i.print "baz"
+    i.close
+    assert_equal("baz", o.read)
+  ensure
+    i.close if !i.closed?
+    o.close if !o.closed?
+    e.close if !e.closed?
+  end
+
+  def test_commandline
+    commandline = Shellwords.join([RUBY, '-e', 'print "quux"'])
+    Open3.popen3(commandline) {|i,o,e,t|
+      assert_equal("quux", o.read)
+    }
+  end
+
+  def test_pid
+    Open3.popen3(RUBY, '-e', 'print $$') {|i,o,e,t|
+      pid = o.read.to_i
+      assert_equal(pid, t[:pid])
+      assert_equal(pid, t.pid)
+    }
+  end
+
+  def test_disable
+    Open3.popen3(RUBY, '-e', '', STDIN=>nil) {|o,e,t|
+      assert_kind_of(Thread, t)
+    }
+    Open3.popen3(RUBY, '-e', '', STDOUT=>nil) {|i,e,t|
+      assert_kind_of(Thread, t)
+    }
+    Open3.popen3(RUBY, '-e', '', STDERR=>nil) {|i,o,t|
+      assert_kind_of(Thread, t)
+    }
+    Open3.popen3(RUBY, '-e', '', STDIN=>nil, STDOUT=>nil, STDERR=>nil) {|t|
+      assert_kind_of(Thread, t)
+    }
+  end
+
+  def with_pipe
+    r, w = IO.pipe
+    yield r, w
+  ensure
+    r.close if !r.closed?
+    w.close if !w.closed?
+  end
+
+  def with_reopen(io, arg)
+    old = io.dup
+    io.reopen(arg)
+    yield old
+  ensure
+    io.reopen(old)
+    old.close if old && !old.closed?
+  end
+
+  def test_disable_stdin
+    with_pipe {|r, w|
+      with_reopen(STDIN, r) {|old|
+        Open3.popen3(RUBY, '-e', 's=STDIN.read; STDOUT.print s+"o"; STDERR.print s+"e"', STDIN=>nil) {|o,e,t|
+          assert_kind_of(Thread, t)
+          w.print "x"
+          w.close
+          assert_equal("xo", o.read)
+          assert_equal("xe", e.read)
+        }
+      }
+    }
+  end
+
+  def test_disable_stdout
+    with_pipe {|r, w|
+      with_reopen(STDOUT, w) {|old|
+        w.close
+        Open3.popen3(RUBY, '-e', 's=STDIN.read; STDOUT.print s+"o"; STDERR.print s+"e"', STDOUT=>nil) {|i,e,t|
+          assert_kind_of(Thread, t)
+          i.print "y"
+          i.close
+          STDOUT.reopen(old)
+          assert_equal("yo", r.read)
+          assert_equal("ye", e.read)
+        }
+      }
+    }
+  end
+
+  def test_disable_stderr
+    with_pipe {|r, w|
+      with_reopen(STDERR, w) {|old|
+        w.close
+        Open3.popen3(RUBY, '-e', 's=STDIN.read; STDOUT.print s+"o"; STDERR.print s+"e"', STDERR=>nil) {|i,o,t|
+          assert_kind_of(Thread, t)
+          i.print "y"
+          i.close
+          STDERR.reopen(old)
+          assert_equal("yo", o.read)
+          assert_equal("ye", r.read)
+        }
+      }
+    }
+  end
+
+  def test_plug_pipe
+    Open3.popen3(RUBY, '-e', 'STDOUT.print "1"') {|i1,o1,e1,t1|
+      Open3.popen3(RUBY, '-e', 'STDOUT.print STDIN.read+"2"', STDIN=>o1) {|o2,e2,t2|
+        assert_equal("12", o2.read)
+      }
+    }
+  end
+
+  def test_tree_pipe
+    ia,oa,ea,ta = Open3.popen3(RUBY, '-e', 'i=STDIN.read; STDOUT.print i+"a"; STDERR.print i+"A"')
+    ob,eb,tb = Open3.popen3(RUBY, '-e', 'i=STDIN.read; STDOUT.print i+"b"; STDERR.print i+"B"', STDIN=>oa)
+    oc,ec,tc = Open3.popen3(RUBY, '-e', 'i=STDIN.read; STDOUT.print i+"c"; STDERR.print i+"C"', STDIN=>ob)
+    od,ed,td = Open3.popen3(RUBY, '-e', 'i=STDIN.read; STDOUT.print i+"d"; STDERR.print i+"D"', STDIN=>eb)
+    oe,ee,te = Open3.popen3(RUBY, '-e', 'i=STDIN.read; STDOUT.print i+"e"; STDERR.print i+"E"', STDIN=>ea)
+    of,ef,tf = Open3.popen3(RUBY, '-e', 'i=STDIN.read; STDOUT.print i+"f"; STDERR.print i+"F"', STDIN=>oe)
+    og,eg,tg = Open3.popen3(RUBY, '-e', 'i=STDIN.read; STDOUT.print i+"g"; STDERR.print i+"G"', STDIN=>ee)
+    oa.close
+    ea.close
+    ob.close
+    eb.close
+    oe.close
+    ee.close
+
+    ia.print "0"
+    ia.close
+    assert_equal("0abc", oc.read)
+    assert_equal("0abC", ec.read)
+    assert_equal("0aBd", od.read)
+    assert_equal("0aBD", ed.read)
+    assert_equal("0Aef", of.read)
+    assert_equal("0AeF", ef.read)
+    assert_equal("0AEg", og.read)
+    assert_equal("0AEG", eg.read)
+  ensure
+    ia.close if !ia.closed?
+    oa.close if !oa.closed?
+    ea.close if !ea.closed?
+    ob.close if !ob.closed?
+    eb.close if !eb.closed?
+    oc.close if !oc.closed?
+    ec.close if !ec.closed?
+    od.close if !od.closed?
+    ed.close if !ed.closed?
+    oe.close if !oe.closed?
+    ee.close if !ee.closed?
+    of.close if !of.closed?
+    ef.close if !ef.closed?
+    og.close if !og.closed?
+    eg.close if !eg.closed?
+  end
+end