* lib/rubygems/commands/setup_command.rb: Remove old files on install

	  of RubyGems.  (not by rbinstall.rb).
	* test/rubygems/test_gem_commands_setup_command.rb:  Test for above.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38029 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 45 insertions, 0 deletions

diff --git a/test/rubygems/test_gem_commands_setup_command.rb b/test/rubygems/test_gem_commands_setup_command.rb
new file mode 100644
index 0000000000..9db6468337
--- /dev/null
+++ b/test/rubygems/test_gem_commands_setup_command.rb
@@ -0,0 +1,45 @@
+require 'rubygems/test_case'
+require 'rubygems/commands/setup_command'
+
+class TestGemCommandsSetupCommand < Gem::TestCase
+
+  def setup
+    super
+
+    @install_dir = File.join @tempdir, 'install'
+    @cmd = Gem::Commands::SetupCommand.new
+    @cmd.options[:prefix] = @install_dir
+
+    FileUtils.mkdir_p 'bin'
+    FileUtils.mkdir_p 'lib/rubygems'
+
+    open 'bin/gem',                   'w' do |io| io.puts '# gem'          end
+    open 'lib/rubygems.rb',           'w' do |io| io.puts '# rubygems.rb'  end
+    open 'lib/rubygems/test_case.rb', 'w' do |io| io.puts '# test_case.rb' end
+  end
+
+  def test_rb_files_in
+    assert_equal %w[rubygems.rb rubygems/test_case.rb],
+                 @cmd.rb_files_in('lib').sort
+  end
+
+  def test_remove_old_lib_files
+    lib            = File.join @install_dir, 'lib'
+    lib_rubygems   = File.join lib, 'rubygems'
+
+    old_builder_rb = File.join lib_rubygems, 'builder.rb'
+    old_format_rb  = File.join lib_rubygems, 'format.rb'
+
+    FileUtils.mkdir_p lib_rubygems
+
+    open old_builder_rb, 'w' do |io| io.puts '# builder.rb' end
+    open old_format_rb,  'w' do |io| io.puts '# format.rb'  end
+
+    @cmd.remove_old_lib_files lib
+
+    refute_path_exists old_builder_rb
+    refute_path_exists old_format_rb
+  end
+
+end
+