Elep

# frozen_string_literal: true
require 'rubygems/test_case'
require 'rubygems/installer'

class Gem::Installer

##
  # Available through requiring rubygems/installer_test_case

attr_writer :bin_dir

##
  # Available through requiring rubygems/installer_test_case

attr_writer :build_args

##
  # Available through requiring rubygems/installer_test_case

attr_writer :gem_dir

##
  # Available through requiring rubygems/installer_test_case

attr_writer :force

##
  # Available through requiring rubygems/installer_test_case

attr_writer :format

##
  # Available through requiring rubygems/installer_test_case

attr_writer :gem_home

##
  # Available through requiring rubygems/installer_test_case

attr_writer :env_shebang

##
  # Available through requiring rubygems/installer_test_case

attr_writer :ignore_dependencies

##
  # Available through requiring rubygems/installer_test_case

attr_writer :format_executable

##
  # Available through requiring rubygems/installer_test_case

attr_writer :security_policy

##
  # Available through requiring rubygems/installer_test_case

attr_writer :wrappers

end

##
# A test case for Gem::Installer.

class Gem::InstallerTestCase < Gem::TestCase

def setup
    super

Gem::Installer.path_warning = false
  end

##
  # The path where installed executables live

def util_inst_bindir
    File.join @gemhome, "bin"
  end

##
  # Adds an executable named "executable" to +spec+ with the given +shebang+.
  #
  # The executable is also written to the bin dir in @tmpdir and the installed
  # gem directory for +spec+.

def util_make_exec(spec = @spec, shebang = "#!/usr/bin/ruby", bindir = "bin")
    spec.executables = %w[executable]
    spec.bindir = bindir

exec_path = spec.bin_file "executable"
    write_file exec_path do |io|
      io.puts shebang
    end

bin_path = File.join @tempdir, "bin", "executable"
    write_file bin_path do |io|
      io.puts shebang
    end
  end

##
  # Creates the following instance variables:
  #
  # @spec::
  #   a spec named 'a', intended for regular installs
  #
  # @gem::
  #   the path to a built gem from @spec
  #
  # And returns a Gem::Installer for the @spec that installs into @gemhome

def setup_base_installer
    @gem = setup_base_gem
    util_installer @spec, @gemhome
  end

##
  # Creates the following instance variables:
  #
  # @spec::
  #   a spec named 'a', intended for regular installs
  #
  # And returns a gem built for the @spec

def setup_base_gem
    @spec = setup_base_spec
    util_build_gem @spec
    @spec.cache_file
  end

##
  # Sets up a generic specification for testing the rubygems installer
  #
  # And returns it

def setup_base_spec
    quick_gem 'a' do |spec|
      util_make_exec spec
    end
  end

##
  # Creates the following instance variables:
  #
  # @spec::
  #   a spec named 'a', intended for regular installs
  # @user_spec::
  #   a spec named 'b', intended for user installs
  #
  # @gem::
  #   the path to a built gem from @spec
  # @user_gem::
  #   the path to a built gem from @user_spec
  #
  # And returns a Gem::Installer for the @user_spec that installs into Gem.user_dir

def setup_base_user_installer
    @user_spec = quick_gem 'b' do |spec|
      util_make_exec spec
    end

util_build_gem @user_spec

@user_gem = @user_spec.cache_file

util_installer @user_spec, Gem.user_dir, :user
  end

##
  # Sets up the base @gem, builds it and returns an installer for it.
  #
  def util_setup_installer
    @gem = setup_base_gem

util_setup_gem
  end

##
  # Builds the @spec gem and returns an installer for it.  The built gem
  # includes:
  #
  #   bin/executable
  #   lib/code.rb
  #   ext/a/mkrf_conf.rb

def util_setup_gem(ui = @ui)
    @spec.files << File.join('lib', 'code.rb')
    @spec.extensions << File.join('ext', 'a', 'mkrf_conf.rb')

Dir.chdir @tempdir do
      FileUtils.mkdir_p 'bin'
      FileUtils.mkdir_p 'lib'
      FileUtils.mkdir_p File.join('ext', 'a')

File.open File.join('bin', 'executable'), 'w' do |f|
        f.puts "raise 'ran executable'"
      end

File.open File.join('lib', 'code.rb'), 'w' do |f|
        f.puts '1'
      end

File.open File.join('ext', 'a', 'mkrf_conf.rb'), 'w' do |f|
        f << <<-EOF
          File.open 'Rakefile', 'w' do |rf| rf.puts "task :default" end
        EOF
      end

yield @spec if block_given?

use_ui ui do
        FileUtils.rm_f @gem

@gem = Gem::Package.build @spec
      end
    end

Gem::Installer.at @gem
  end

##
  # Creates an installer for +spec+ that will install into +gem_home+.  If
  # +user+ is true a user-install will be performed.

def util_installer(spec, gem_home, user=false)
    Gem::Installer.at(spec.cache_file,
                       :install_dir => gem_home,
                       :user_install => user)
  end

end