1 files changed, 422 insertions, 0 deletions
diff --git a/spec/bundled_gems_spec.rb b/spec/bundled_gems_spec.rb
new file mode 100644
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--- /dev/null
+++ b/spec/bundled_gems_spec.rb
@@ -0,0 +1,422 @@
+require "bundled_gems"
+
+require "bundler"
+require "fileutils"
+
+require_relative "bundler/support/builders"
+require_relative "bundler/support/helpers"
+require_relative "bundler/support/path"
+
+module Gem
+  def self.ruby=(ruby)
+    @ruby = ruby
+  end
+end
+
+RSpec.configure do |config|
+  config.include Spec::Builders
+  config.include Spec::Helpers
+  config.include Spec::Path
+
+  config.before(:suite) do
+    Gem.ruby = ENV["RUBY"] if ENV["RUBY"]
+
+    require_relative "bundler/support/rubygems_ext"
+    Spec::Helpers.install_dev_bundler
+    FileUtils.mkdir_p Spec::Path.gem_path
+  end
+
+  config.around(:each) do |example|
+    FileUtils.cp_r Spec::Path.pristine_system_gem_path, Spec::Path.system_gem_path
+
+    with_gem_path_as(system_gem_path) do
+      Bundler.ui.silence { example.run }
+
+      all_output = all_commands_output
+      if example.exception && !all_output.empty?
+        message = all_output + "\n" + example.exception.message
+        (class << example.exception; self; end).send(:define_method, :message) do
+          message
+        end
+      end
+    end
+  ensure
+    reset!
+  end
+
+  config.after :suite do
+    FileUtils.rm_rf Spec::Path.pristine_system_gem_path
+  end
+end
+
+RSpec.describe "bundled_gems.rb" do
+  let(:stub_code) {
+    source_lib_dir = File.realpath(Spec::Path.source_lib_dir.to_s)
+    <<~STUB
+      Gem::BUNDLED_GEMS.send(:remove_const, :LIBDIR)
+      Gem::BUNDLED_GEMS.send(:remove_const, :ARCHDIR)
+      Gem::BUNDLED_GEMS.send(:remove_const, :SINCE)
+      Gem::BUNDLED_GEMS.const_set(:LIBDIR, "#{source_lib_dir}/")
+      Gem::BUNDLED_GEMS.const_set(:ARCHDIR, File.expand_path($LOAD_PATH.find{|path| path.include?(".ext/common") }) + "/")
+      Gem::BUNDLED_GEMS.const_set(:SINCE, { "openssl" => RUBY_VERSION, "fileutils" => RUBY_VERSION, "csv" => "3.4.0", "net-smtp" => "3.1.0" })
+    STUB
+  }
+
+  def script(code, options = {})
+    options[:artifice] ||= "compact_index"
+    code = <<~RUBY
+      #{stub_code}
+      require 'bundler/inline'
+
+      #{code}
+    RUBY
+    ruby(code, options)
+  end
+
+  it "Show warning require and LoadError" do
+    script <<-RUBY
+      gemfile do
+        source "https://rubygems.org"
+      end
+
+      begin
+        require "csv"
+      rescue LoadError
+      end
+      require "openssl"
+    RUBY
+
+    expect(err).to include(/csv used to be loaded from (.*) since Ruby 3.4.0/)
+    expect(err).to include(/-e:15/)
+    expect(err).to include(/openssl used to be loaded from (.*) since Ruby #{RUBY_VERSION}/)
+    expect(err).to include(/-e:18/)
+  end
+
+  it "Show warning when bundled gems called as dependency" do
+    build_lib "activesupport", "7.0.7.2" do |s|
+      s.write "lib/active_support/all.rb", "require 'openssl'"
+    end
+
+    script <<-RUBY, env: { "BUNDLER_SPEC_GEM_REPO" => gem_repo1.to_s }
+      gemfile do
+        source "https://gem.repo1"
+        path "#{lib_path}" do
+          gem "activesupport", "7.0.7.2"
+        end
+      end
+
+      require "active_support/all"
+    RUBY
+
+    expect(err).to include(/openssl used to be loaded from (.*) since Ruby #{RUBY_VERSION}/)
+    expect(err).to include(/lib\/active_support\/all\.rb:1/)
+  end
+
+  it "Show warning dash gem like net/smtp" do
+    script <<-RUBY
+      gemfile do
+        source "https://rubygems.org"
+      end
+
+      begin
+        require "net/smtp"
+      rescue LoadError
+      end
+    RUBY
+
+    expect(err).to include(/net\/smtp used to be loaded from (.*) since Ruby 3.1.0/)
+    expect(err).to include(/-e:15/)
+    expect(err).to include("You can add net-smtp")
+  end
+
+  it "Show warning sub-feature like openssl/bn" do
+    skip "This test is not working on Windows" if Gem.win_platform?
+
+    script <<-RUBY
+      gemfile do
+        source "https://rubygems.org"
+      end
+
+      require "openssl/bn"
+    RUBY
+
+    expect(err).to include(/openssl\/bn is found in openssl, (.*) part of the default gems since Ruby #{RUBY_VERSION}/)
+    expect(err).to include(/-e:14/)
+  end
+
+  it "Show warning when bundle exec with ruby and script" do
+    code = <<-RUBY
+      #{stub_code}
+      require "openssl"
+    RUBY
+    create_file("script.rb", code)
+    create_file("Gemfile", "source 'https://rubygems.org'")
+
+    bundle "exec ruby script.rb"
+
+    expect(err).to include(/openssl used to be loaded from (.*) since Ruby #{RUBY_VERSION}/)
+    expect(err).to include(/script\.rb:8/)
+  end
+
+  it "Show warning when bundle exec with shebang's script" do
+    skip "This test is not working on Windows" if Gem.win_platform?
+
+    code = <<-RUBY
+      #!/usr/bin/env ruby
+      #{stub_code}
+      require "openssl"
+    RUBY
+    create_file("script.rb", code)
+    FileUtils.chmod(0o777, bundled_app("script.rb"))
+    create_file("Gemfile", "source 'https://rubygems.org'")
+
+    bundle "exec ./script.rb"
+
+    expect(err).to include(/openssl used to be loaded from (.*) since Ruby #{RUBY_VERSION}/)
+    expect(err).to include(/script\.rb:9/)
+  end
+
+  it "Show warning when bundle exec with -r option" do
+    create_file("stub.rb", stub_code)
+    create_file("Gemfile", "source 'https://rubygems.org'")
+    bundle "exec ruby -r./stub -ropenssl -e ''"
+
+    expect(err).to include(/openssl used to be loaded from (.*) since Ruby #{RUBY_VERSION}/)
+  end
+
+  it "Show warning when warn is not the standard one in the current scope" do
+    script <<-RUBY
+      module My
+        def warn(msg)
+        end
+
+        def my
+          gemfile do
+            source "https://rubygems.org"
+          end
+
+          require "openssl"
+        end
+
+        extend self
+      end
+
+      My.my
+    RUBY
+
+    expect(err).to include(/openssl used to be loaded from (.*) since Ruby #{RUBY_VERSION}/)
+    expect(err).to include(/-e:19/)
+  end
+
+  it "Don't show warning when bundled gems called as dependency" do
+    build_lib "activesupport", "7.0.7.2" do |s|
+      s.write "lib/active_support/all.rb", "require 'openssl'"
+    end
+    build_lib "openssl", "1.0.0" do |s|
+      s.write "lib/openssl.rb", "puts 'openssl'"
+    end
+
+    script <<-RUBY, env: { "BUNDLER_SPEC_GEM_REPO" => gem_repo1.to_s }
+      gemfile do
+        source "https://gem.repo1"
+        path "#{lib_path}" do
+          gem "activesupport", "7.0.7.2"
+          gem "openssl"
+        end
+      end
+
+      require "active_support/all"
+    RUBY
+
+    expect(err).to be_empty
+  end
+
+  it "Show warning with bootsnap cases" do
+    script <<-RUBY
+      gemfile do
+        source "https://rubygems.org"
+        # gem "bootsnap", require: false
+      end
+
+      # require 'bootsnap'
+      # Bootsnap.setup(cache_dir: 'tmp/cache')
+
+      # bootsnap expand required feature to full path
+      # require 'openssl'
+      require Gem::BUNDLED_GEMS::ARCHDIR + 'openssl'
+    RUBY
+
+    expect(err).to include(/openssl used to be loaded from (.*) since Ruby #{RUBY_VERSION}/)
+    # TODO: We should assert caller location like below:
+    # test_warn_bootsnap.rb:14: warning: ...
+  end
+
+  it "Show warning with bootsnap for gem with native extension" do
+    script <<-RUBY
+      gemfile do
+        source "https://rubygems.org"
+        # gem "bootsnap", require: false
+      end
+
+      # require 'bootsnap'
+      # Bootsnap.setup(cache_dir: 'tmp/cache')
+
+      # bootsnap expand required feature to full path
+      # require 'openssl'
+      require Gem::BUNDLED_GEMS::ARCHDIR + "openssl"
+    RUBY
+
+    expect(err).to include(/openssl used to be loaded from (.*) since Ruby #{RUBY_VERSION}/)
+    # TODO: We should assert caller location like below:
+    # test_warn_bootsnap_rubyarchdir_gem.rb:14: warning: ...
+  end
+
+  it "Show warning with bootsnap and some gem in Gemfile" do
+    # Original issue is childprocess 5.0.0 and logger.
+    build_lib "fileutils2", "5.0.0" do |s|
+      # bootsnap expand required feature to full path
+      rubylibpath = File.realpath(File.join(__dir__, "..", "lib"))
+      s.write "lib/fileutils2.rb", "require '#{rubylibpath}/fileutils'"
+    end
+
+    script <<-RUBY
+      gemfile do
+        source "https://rubygems.org"
+        # gem "bootsnap", require: false
+        path "#{lib_path}" do
+          gem "fileutils2", "5.0.0"
+        end
+      end
+
+      # require 'bootsnap'
+      # Bootsnap.setup(cache_dir: 'tmp/cache')
+
+      # bootsnap expand required feature to full path
+      require Gem.loaded_specs["fileutils2"].full_gem_path + '/lib/fileutils2'
+    RUBY
+
+    expect(err).to include(/fileutils used to be loaded from (.*) since Ruby #{RUBY_VERSION}/)
+    # TODO: We should assert caller location like below:
+    # $GEM_HOME/gems/childprocess-5.0.0/lib/childprocess.rb:7: warning:
+  end
+
+  it "Show warning with zeitwerk" do
+    libpath = Dir[File.expand_path("../.bundle/gems/{zeitwerk}-*/lib", __dir__)].map(&:to_s).first
+    code = <<-RUBY
+      #{stub_code}
+      $LOAD_PATH.unshift("#{libpath}")
+      require "zeitwerk"
+      loader = Zeitwerk::Loader.for_gem(warn_on_extra_files: false)
+      loader.setup
+
+      require 'openssl'
+    RUBY
+    create_file("script.rb", code)
+    create_file("Gemfile", "source 'https://rubygems.org'")
+    bundle "exec ruby script.rb"
+
+    expect(err).to include(/openssl used to be loaded from (.*) since Ruby #{RUBY_VERSION}/)
+    expect(err).to include(/script\.rb:13/)
+  end
+
+  it "Don't show warning openssl/bn when openssl on Gemfile" do
+    build_lib "openssl", "1.0.0" do |s|
+      s.write "lib/openssl.rb", "puts 'openssl'"
+      s.write "lib/openssl/bn.rb", "puts 'openssl/bn'"
+    end
+
+    script <<-RUBY, env: { "BUNDLER_SPEC_GEM_REPO" => gem_repo1.to_s }
+      gemfile do
+        source "https://gem.repo1"
+        path "#{lib_path}" do
+          gem "openssl"
+        end
+      end
+
+      require "openssl/bn"
+    RUBY
+
+    expect(err).to be_empty
+  end
+
+  it "Don't show warning with net/smtp when net-smtp on Gemfile" do
+    build_lib "net-smtp", "1.0.0" do |s|
+      s.write "lib/net/smtp.rb", "puts 'net-smtp'"
+    end
+
+    script <<-RUBY, env: { "BUNDLER_SPEC_GEM_REPO" => gem_repo1.to_s }
+      gemfile do
+        source "https://gem.repo1"
+        path "#{lib_path}" do
+          gem "net-smtp"
+        end
+      end
+
+      require "net/smtp"
+    RUBY
+
+    expect(err).to be_empty
+  end
+
+  describe ".force_activate" do
+    before do
+      allow_any_instance_of(Bundler::Runtime).to receive(:setup).and_raise(Bundler::GemNotFound)
+    end
+
+    context "with bundle environment" do
+      before do
+        code = <<-RUBY
+          #!/usr/bin/env ruby
+
+          Gem::BUNDLED_GEMS.force_activate("csv")
+        RUBY
+        create_file("script.rb", code)
+        create_file("Gemfile", "source 'https://rubygems.org'")
+      end
+
+      it "lockfile is available" do
+        bundle "install"
+        bundle "exec ./script.rb"
+
+        expect(err).to include("gem install csv")
+      end
+
+      it "lockfile is not available" do
+        bundle "exec ./script.rb"
+
+        expect(err).to include("gem install csv")
+      end
+    end
+
+    context "with bundler/inline" do
+      it "foo is available on LOAD_PATH" do
+        build_lib "foo", "1.0.0" do |s|
+          s.write "lib/foo.rb", "puts :foo"
+        end
+
+        script <<-RUBY, env: { "BUNDLER_SPEC_GEM_REPO" => gem_repo1.to_s }
+          #!/usr/bin/env ruby
+          gemfile do
+            source "https://gem.repo1"
+            path "#{lib_path}" do
+              gem "foo", "1.0.0"
+            end
+          end
+
+          Gem::BUNDLED_GEMS.force_activate("csv")
+          puts $LOAD_PATH
+        RUBY
+
+        expect(err).to include("gem install csv")
+        expect(out).to include("foo-1.0.0/lib")
+      end
+    end
+
+    context "without bundle environment" do
+      it "warns about installation requirement" do
+        expect_any_instance_of(Object).to receive(:warn)
+        Gem::BUNDLED_GEMS.force_activate("csv")
+      end
+    end
+  end
+end