Import RubyGems trunk revision 1493.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13862 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/rubygems/test_gem_commands_unpack_command.rb

@@ -0,0 +1,55 @@
+require 'test/unit'
+require File.join(File.expand_path(File.dirname(__FILE__)), 'gemutilities')
+require 'rubygems/commands/unpack_command'
+
+class TestGemCommandsUnpackCommand < RubyGemTestCase
+
+  def setup
+    super
+
+    @cmd = Gem::Commands::UnpackCommand.new
+  end
+
+  def test_execute
+    util_make_gems
+
+    @cmd.options[:args] = %w[a]
+
+    use_ui @ui do
+      Dir.chdir @tempdir do
+        @cmd.execute
+      end
+    end
+
+    assert File.exist?(File.join(@tempdir, 'a-0.0.2'))
+  end
+
+  def test_execute_exact_match
+    foo_spec = quick_gem 'foo'
+    foo_bar_spec = quick_gem 'foo_bar'
+
+    use_ui @ui do
+      Dir.chdir @tempdir do
+        Gem::Builder.new(foo_spec).build
+        Gem::Builder.new(foo_bar_spec).build
+      end
+    end
+
+    foo_path = File.join(@tempdir, "#{foo_spec.full_name}.gem")
+    foo_bar_path = File.join(@tempdir, "#{foo_bar_spec.full_name}.gem")
+    Gem::Installer.new(foo_path).install
+    Gem::Installer.new(foo_bar_path).install
+
+    @cmd.options[:args] = %w[foo]
+
+    use_ui @ui do
+      Dir.chdir @tempdir do
+        @cmd.execute
+      end
+    end
+
+    assert File.exist?(File.join(@tempdir, foo_spec.full_name))
+  end
+
+end
+