test/unit.rb: --test-order option

* test/lib/test/unit.rb (setup_options): add --test-order option
  to override the test order.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51404 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 12 insertions, 0 deletions

diff --git a/test/lib/test/unit.rb b/test/lib/test/unit.rb
index 0473ddb524..cbf6d348d6 100644
--- a/test/lib/test/unit.rb
+++ b/test/lib/test/unit.rb
@@ -88,6 +88,10 @@ module Test
         opts.on '-n', '--name PATTERN', "Filter test method names on pattern: /REGEXP/ or STRING" do |a|
           options[:filter] = a
         end
+
+        opts.on '--test-order=random|alpha|sorted', [:random, :alpha, :sorted] do |a|
+          MiniTest::Unit::TestCase.test_order = a
+        end
       end
 
       def non_options(files, options)
@@ -981,6 +985,14 @@ module MiniTest # :nodoc: all
 end
 
 class MiniTest::Unit::TestCase # :nodoc: all
+  test_order = self.test_order
+  def self.test_order
+    @test_order || superclass.test_order
+  end
+  class << self
+    attr_writer :test_order
+  end
+  self.test_order = test_order
   undef run_test
   RUN_TEST_TRACE = "#{__FILE__}:#{__LINE__+3}:in `run_test'".freeze
   def run_test(name)