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ruby-changes:34668

From: nobu <ko1@a...>
Date: Mon, 7 Jul 2014 17:43:04 +0900 (JST)
Subject: [ruby-changes:34668] nobu:r46751 (trunk): test/ruby/find_executable.rb

nobu	2014-07-07 17:42:57 +0900 (Mon, 07 Jul 2014)

  New Revision: 46751

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=46751

  Log:
    test/ruby/find_executable.rb
    
    * test/ruby/test_rubyoptions.rb (test_program_name): use expected
      ps command from PATH.
    
    * test/ruby/find_executable.rb (EnvUtil#find_executable): find
      expected executable path with argument and output pattern.

  Added files:
    trunk/test/ruby/find_executable.rb
  Modified files:
    trunk/test/ruby/envutil.rb
    trunk/test/ruby/test_rubyoptions.rb
Index: test/ruby/find_executable.rb
===================================================================
--- test/ruby/find_executable.rb	(revision 0)
+++ test/ruby/find_executable.rb	(revision 46751)
@@ -0,0 +1,19 @@ https://github.com/ruby/ruby/blob/trunk/test/ruby/find_executable.rb#L1
+module EnvUtil
+  def find_executable(cmd, *args)
+    exts = RbConfig::CONFIG["EXECUTABLE_EXTS"].split | [RbConfig::CONFIG["EXEEXT"]]
+    ENV["PATH"].split(File::PATH_SEPARATOR).each do |path|
+      next if path.empty?
+      path = File.join(path, cmd)
+      exts.each do |ext|
+        cmdline = [path + ext, *args]
+        begin
+          return cmdline if yield(IO.popen(cmdline, "r", err: [:child, :out], &:read))
+        rescue
+          next
+        end
+      end
+    end
+    nil
+  end
+  module_function :find_executable
+end

Property changes on: test/ruby/find_executable.rb
___________________________________________________________________
Added: svn:eol-style
   + LF

Index: test/ruby/envutil.rb
===================================================================
--- test/ruby/envutil.rb	(revision 46750)
+++ test/ruby/envutil.rb	(revision 46751)
@@ -2,6 +2,7 @@ https://github.com/ruby/ruby/blob/trunk/test/ruby/envutil.rb#L2
 require "open3"
 require "timeout"
 require "test/unit"
+require_relative "find_executable"
 
 module EnvUtil
   def rubybin
Index: test/ruby/test_rubyoptions.rb
===================================================================
--- test/ruby/test_rubyoptions.rb	(revision 46750)
+++ test/ruby/test_rubyoptions.rb	(revision 46751)
@@ -458,8 +458,13 @@ class TestRubyOptions < Test::Unit::Test https://github.com/ruby/ruby/blob/trunk/test/ruby/test_rubyoptions.rb#L458
     }
   end
 
+  if /linux|freebsd|netbsd|openbsd|darwin/ =~ RUBY_PLATFORM
+    PSCMD = EnvUtil.find_executable("ps", "-o", "command", "-p", $$.to_s) {|out| /ruby/=~out}
+    PSCMD.pop if PSCMD
+  end
+
   def test_set_program_name
-    skip "platform dependent feature" if /linux|freebsd|netbsd|openbsd|darwin/ !~ RUBY_PLATFORM
+    skip "platform dependent feature" unless defined?(PSCMD) and PSCMD
 
     with_tmpchdir do
       write_file("test-script", "$0 = 'hello world'; /test-script/ =~ Process.argv0 or $0 = 'Process.argv0 changed!'; sleep 60")
@@ -468,7 +473,7 @@ class TestRubyOptions < Test::Unit::Test https://github.com/ruby/ruby/blob/trunk/test/ruby/test_rubyoptions.rb#L473
       ps = nil
       10.times do
         sleep 0.1
-        ps = `ps -p #{pid} -o command`
+        ps = `#{PSCMD.join(' ')} #{pid}`
         break if /hello world/ =~ ps
       end
       assert_match(/hello world/, ps)
@@ -478,7 +483,7 @@ class TestRubyOptions < Test::Unit::Test https://github.com/ruby/ruby/blob/trunk/test/ruby/test_rubyoptions.rb#L483
   end
 
   def test_setproctitle
-    skip "platform dependent feature" if /linux|freebsd|netbsd|openbsd|darwin/ !~ RUBY_PLATFORM
+    skip "platform dependent feature" unless defined?(PSCMD) and PSCMD
 
     with_tmpchdir do
       write_file("test-script", "$_0 = $0.dup; Process.setproctitle('hello world'); $0 == $_0 or Process.setproctitle('$0 changed!'); sleep 60")
@@ -487,7 +492,7 @@ class TestRubyOptions < Test::Unit::Test https://github.com/ruby/ruby/blob/trunk/test/ruby/test_rubyoptions.rb#L492
       ps = nil
       10.times do
         sleep 0.1
-        ps = `ps -p #{pid} -o command`
+        ps = `#{PSCMD.join(' ')} #{pid}`
         break if /hello world/ =~ ps
       end
       assert_match(/hello world/, ps)

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