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require 'spec_helper'
require 'puppet/util/rubygems'
describe Puppet::Util::RubyGems::Source do
let(:gem_path) { File.expand_path('/foo/gems') }
let(:gem_lib) { File.join(gem_path, 'lib') }
let(:fake_gem) { stub(:full_gem_path => gem_path) }
describe "::new" do
it "returns NoGemsSource if rubygems is not present" do
described_class.expects(:has_rubygems?).returns(false)
expect(described_class.new).to be_kind_of(Puppet::Util::RubyGems::NoGemsSource)
end
it "returns Gems18Source if Gem::Specification responds to latest_specs" do
described_class.expects(:has_rubygems?).returns(true)
Gem::Specification.expects(:respond_to?).with(:latest_specs).returns(true)
expect(described_class.new).to be_kind_of(Puppet::Util::RubyGems::Gems18Source)
end
it "returns Gems18Source if Gem::Specification does not respond to latest_specs" do
described_class.expects(:has_rubygems?).returns(true)
Gem::Specification.expects(:respond_to?).with(:latest_specs).returns(false)
expect(described_class.new).to be_kind_of(Puppet::Util::RubyGems::OldGemsSource)
end
end
describe '::NoGemsSource' do
before(:each) { described_class.stubs(:source).returns(Puppet::Util::RubyGems::NoGemsSource) }
it "#directories returns an empty list" do
expect(described_class.new.directories).to eq([])
end
it "#clear_paths returns nil" do
expect(described_class.new.clear_paths).to be_nil
end
end
describe '::Gems18Source' do
before(:each) { described_class.stubs(:source).returns(Puppet::Util::RubyGems::Gems18Source) }
it "#directories returns the lib subdirs of Gem::Specification.latest_specs" do
Gem::Specification.expects(:latest_specs).with(true).returns([fake_gem])
expect(described_class.new.directories).to eq([gem_lib])
end
it "#clear_paths calls Gem.clear_paths" do
Gem.expects(:clear_paths)
described_class.new.clear_paths
end
end
describe '::OldGemsSource' do
before(:each) { described_class.stubs(:source).returns(Puppet::Util::RubyGems::OldGemsSource) }
it "#directories returns the contents of Gem.latest_load_paths" do
Gem.expects(:latest_load_paths).returns([gem_lib])
expect(described_class.new.directories).to eq([gem_lib])
end
# Older rubygems seem to have a problem with rescanning the gem paths in which they
# look for a file in the wrong place and expect it to be there. By caching the first
# set of results we don't trigger this bug. This behavior was seen on ruby 1.8.7-p334
# using rubygems v1.6.2
it "caches the gem paths (works around a bug in older rubygems)" do
Gem.expects(:latest_load_paths).returns([gem_lib]).once
source = described_class.new
expect(source.directories).to eq([gem_lib])
end
it "#clear_paths calls Gem.clear_paths" do
Gem.expects(:clear_paths)
described_class.new.clear_paths
end
end
end
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