* lib/rubygems: Update to RubyGems master 6a3d9f9. Changes include:

Compatibly renamed Gem::DependencyResolver to Gem::Resolver.

  Added support for git gems in gem.deps.rb and Gemfile.

  Fixed resolver bugs.

* test/rubygems: ditto.

* lib/rubygems/LICENSE.txt:  Updated to license from RubyGems trunk.
  [ruby-trunk - Bug #9086]

* lib/rubygems/commands/which_command.rb:  RubyGems now indicates
  failure when any file is missing.  [ruby-trunk - Bug #9004]

* lib/rubygems/ext/builder:  Extensions are now installed into the
  extension install directory and the first directory in the require
  path from the gem.  This allows backwards compatibility with msgpack
  and other gems that calculate full require paths.
  [ruby-trunk - Bug #9106]



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43714 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/rubygems/test_gem_resolver_vendor_set.rb

@@ -0,0 +1,65 @@
+require 'rubygems/test_case'
+
+class TestGemResolverVendorSet < Gem::TestCase
+
+  def setup
+    super
+
+    @set = Gem::Resolver::VendorSet.new
+  end
+
+  def test_add_vendor_gem
+    name, version, directory = vendor_gem
+
+    @set.add_vendor_gem name, directory
+
+    spec = @set.load_spec name, version, Gem::Platform::RUBY, nil
+
+    assert_equal "#{name}-#{version}", spec.full_name
+  end
+
+  def test_add_vendor_gem_missing
+    name, _, directory = vendor_gem
+
+    FileUtils.rm_r directory
+
+    e = assert_raises Gem::GemNotFoundException do
+      @set.add_vendor_gem name, directory
+    end
+
+    assert_equal "unable to find #{directory}/#{name}.gemspec for gem #{name}",
+                 e.message
+  end
+
+  def test_find_all
+    name, version, directory = vendor_gem
+
+    @set.add_vendor_gem name, directory
+
+    dependency = dep 'a', '~> 1'
+
+    req = Gem::Resolver::DependencyRequest.new dependency, nil
+
+    found = @set.find_all req
+
+    spec = @set.load_spec name, version, Gem::Platform::RUBY, nil
+
+    source = Gem::Source::Vendor.new directory
+
+    expected = [
+      Gem::Resolver::VendorSpecification.new(@set, spec, source)
+    ]
+
+    assert_equal expected, found
+  end
+
+  def test_load_spec
+    error = Object.const_defined?(:KeyError) ? KeyError : IndexError
+
+    assert_raises error do
+      @set.load_spec 'a', v(1), Gem::Platform::RUBY, nil
+    end
+  end
+
+end
+