From 96863dc358cc86435099627a7afc1ec58a1fd79c Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 16 Jul 2010 05:58:39 +0000
Subject: * lib/test/unit.rb (Test::Unit.setup_argv): run tests only when   any
 tests have not run.

* bin/testrb, test/runner.rb: use Test::Unit.start.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28655 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog        |  7 +++++++
 bin/testrb       |  4 ++--
 lib/test/unit.rb | 36 ++++++++++++++++++++++++++++++++----
 test/runner.rb   |  2 +-
 4 files changed, 42 insertions(+), 7 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index cc17791732..615edb681a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Fri Jul 16 14:58:38 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* lib/test/unit.rb (Test::Unit.setup_argv): run tests only when
+	  any tests have not run.
+
+	* bin/testrb, test/runner.rb: use Test::Unit.start.
+
 Fri Jul 16 12:06:08 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* tool/rbinstall.rb (ext-arch): prune directories start with '-'.
diff --git a/bin/testrb b/bin/testrb
index e4eb9099b3..6a65fba3fa 100755
--- a/bin/testrb
+++ b/bin/testrb
@@ -1,9 +1,9 @@
 #!/usr/bin/env ruby
 require 'test/unit'
-Test::Unit.setup_argv {|files|
+exit Test::Unit.start {|files|
   if files.empty?
     puts "Usage: testrb [options] tests..."
-    exit 1
+    exit false
   end
   if files.size == 1
     $0 = File.basename(files[0])
diff --git a/lib/test/unit.rb b/lib/test/unit.rb
index 4aecc49450..b518426893 100644
--- a/lib/test/unit.rb
+++ b/lib/test/unit.rb
@@ -9,7 +9,21 @@ module Test
   module Unit
     TEST_UNIT_IMPLEMENTATION = 'test/unit compatibility layer using minitest'
 
-    def self.setup_argv(original_argv=ARGV)
+    @@installed_at_exit = true
+    @@run_count = 0
+
+    RunCount = Module.new do
+      def run(*)
+        @@run_count += 1
+        super
+      end
+    end
+
+    def self.new(*)
+      super.extend(RunCount)
+    end
+
+    def self.setup_argv(original_argv=::ARGV)
       minitest_argv = []
       files = []
       reject = []
@@ -67,9 +81,23 @@ module Test
         end
       }
 
-      ARGV.replace minitest_argv
+      at_exit {
+        next if @@run_count.nonzero?
+        next if $! # don't run if there was an exception
+        exit false unless run(minitest_argv)
+      } unless @@installed_at_exit
+      @@installed_at_exit = true
+
+      minitest_argv
+    end
+
+    def self.run(args)
+      exit_code = MiniTest::Unit.new.run(args)
+      !exit_code || exit_code == 0
+    end
+
+    def self.start(argv=::ARGV, &block)
+      run(setup_argv(argv, &block))
     end
   end
 end
-
-MiniTest::Unit.autorun
diff --git a/test/runner.rb b/test/runner.rb
index 3f1c8abc19..3735461ba6 100644
--- a/test/runner.rb
+++ b/test/runner.rb
@@ -6,7 +6,7 @@ require 'test/unit'
 src_testdir = File.dirname(File.expand_path(__FILE__))
 srcdir = File.dirname(src_testdir)
 
-Test::Unit.setup_argv {|files|
+exit Test::Unit.start {|files|
   if files.empty?
     [src_testdir]
   else
-- 
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