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			674 lines
		
	
	
	
		
			18 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			674 lines
		
	
	
	
		
			18 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
# frozen_string_literal: true
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require_relative "installer_test_case"
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require "rubygems/uninstaller"
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class TestGemUninstaller < Gem::InstallerTestCase
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  def setup
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    super
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    @installer = setup_base_installer
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    @user_installer = setup_base_user_installer
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    common_installer_setup
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    build_rake_in do
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      use_ui ui do
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        @installer.install
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        @spec = @installer.spec
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        @user_installer.install
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        @user_spec = @user_installer.spec
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      end
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    end
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    Gem::Specification.reset
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  end
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  def test_initialize_expand_path
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    FileUtils.mkdir_p "foo/bar"
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    uninstaller = Gem::Uninstaller.new nil, :install_dir => "foo//bar"
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    assert_match %r{foo/bar$}, uninstaller.instance_variable_get(:@gem_home)
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  end
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  def test_ask_if_ok
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    c = util_spec "c"
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    uninstaller = Gem::Uninstaller.new nil
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    ok = :junk
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    ui = Gem::MockGemUi.new "\n"
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    use_ui ui do
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      ok = uninstaller.ask_if_ok c
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    end
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    refute ok
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  end
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  def test_remove_all
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    uninstaller = Gem::Uninstaller.new nil
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    ui = Gem::MockGemUi.new "y\n"
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    use_ui ui do
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      uninstaller.remove_all [@spec]
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    end
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    assert_path_not_exist @spec.gem_dir
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  end
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  def test_remove_executables_force_keep
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    uninstaller = Gem::Uninstaller.new nil, :executables => false
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    executable = File.join Gem.bindir(@user_spec.base_dir), "executable"
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    assert File.exist?(executable), "executable not written"
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    use_ui @ui do
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      uninstaller.remove_executables @user_spec
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    end
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    assert File.exist? executable
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    assert_equal "Executables and scripts will remain installed.\n", @ui.output
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  end
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  def test_remove_executables_force_remove
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    uninstaller = Gem::Uninstaller.new nil, :executables => true
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    executable = File.join Gem.bindir(@user_spec.base_dir), "executable"
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    assert File.exist?(executable), "executable not written"
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    use_ui @ui do
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      uninstaller.remove_executables @user_spec
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    end
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    assert_equal "Removing executable\n", @ui.output
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    refute File.exist? executable
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  end
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  def test_remove_executables_user
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    uninstaller = Gem::Uninstaller.new nil, :executables => true
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    use_ui @ui do
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      uninstaller.remove_executables @user_spec
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    end
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    exec_path = File.join Gem.user_dir, "bin", "executable"
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    refute File.exist?(exec_path), "exec still exists in user bin dir"
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    assert_equal "Removing executable\n", @ui.output
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  end
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  def test_remove_executables_user_format
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    Gem::Installer.exec_format = "foo-%s-bar"
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    uninstaller = Gem::Uninstaller.new nil, :executables => true, :format_executable => true
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    use_ui @ui do
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      uninstaller.remove_executables @user_spec
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    end
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    exec_path = File.join Gem.user_dir, "bin", "foo-executable-bar"
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    assert_equal false, File.exist?(exec_path), "removed exec from bin dir"
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    assert_equal "Removing foo-executable-bar\n", @ui.output
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  ensure
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    Gem::Installer.exec_format = nil
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  end
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  def test_remove_executables_user_format_disabled
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    Gem::Installer.exec_format = "foo-%s-bar"
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    uninstaller = Gem::Uninstaller.new nil, :executables => true
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    use_ui @ui do
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      uninstaller.remove_executables @user_spec
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    end
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    exec_path = File.join Gem.user_dir, "bin", "executable"
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    refute File.exist?(exec_path), "removed exec from bin dir"
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    assert_equal "Removing executable\n", @ui.output
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  ensure
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    Gem::Installer.exec_format = nil
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  end
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  def test_remove_not_in_home
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    Dir.mkdir "#{@gemhome}2"
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    uninstaller = Gem::Uninstaller.new nil, :install_dir => "#{@gemhome}2"
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    e = assert_raise Gem::GemNotInHomeException do
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      use_ui ui do
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        uninstaller.remove @spec
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      end
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    end
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    expected =
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      "Gem '#{@spec.full_name}' is not installed in directory #{@gemhome}2"
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    assert_equal expected, e.message
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    assert_path_exist @spec.gem_dir
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  end
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  def test_remove_symlinked_gem_home
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    pend "Symlinks not supported or not enabled" unless symlink_supported?
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    Dir.mktmpdir("gem_home") do |dir|
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      symlinked_gem_home = "#{dir}/#{File.basename(@gemhome)}"
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      FileUtils.ln_s(@gemhome, dir)
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      uninstaller = Gem::Uninstaller.new nil, :install_dir => symlinked_gem_home
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      use_ui ui do
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        uninstaller.remove @spec
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      end
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      assert_path_not_exist @spec.gem_dir
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    end
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  end
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  def test_remove_plugins
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    write_file File.join(@tempdir, "lib", "rubygems_plugin.rb") do |io|
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      io.write "puts __FILE__"
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    end
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    @spec.files += %w[lib/rubygems_plugin.rb]
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    Gem::Installer.at(Gem::Package.build(@spec), :force => true).install
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    plugin_path = File.join Gem.plugindir, "a_plugin.rb"
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    assert File.exist?(plugin_path), "plugin not written"
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    Gem::Uninstaller.new(nil).remove_plugins @spec
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    refute File.exist?(plugin_path), "plugin not removed"
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  end
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  def test_remove_plugins_with_install_dir
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    write_file File.join(@tempdir, "lib", "rubygems_plugin.rb") do |io|
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      io.write "puts __FILE__"
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    end
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    @spec.files += %w[lib/rubygems_plugin.rb]
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    Gem::Installer.at(Gem::Package.build(@spec), :force => true).install
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    plugin_path = File.join Gem.plugindir, "a_plugin.rb"
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    assert File.exist?(plugin_path), "plugin not written"
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    Dir.mkdir "#{@gemhome}2"
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    Gem::Uninstaller.new(nil, :install_dir => "#{@gemhome}2").remove_plugins @spec
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    assert File.exist?(plugin_path), "plugin unintentionally removed"
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  end
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  def test_regenerate_plugins_for
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    write_file File.join(@tempdir, "lib", "rubygems_plugin.rb") do |io|
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      io.write "puts __FILE__"
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    end
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    @spec.files += %w[lib/rubygems_plugin.rb]
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    Gem::Installer.at(Gem::Package.build(@spec), :force => true).install
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    plugin_path = File.join Gem.plugindir, "a_plugin.rb"
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    assert File.exist?(plugin_path), "plugin not written"
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    FileUtils.rm plugin_path
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    Gem::Uninstaller.new(nil).regenerate_plugins_for @spec, Gem.plugindir
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    assert File.exist?(plugin_path), "plugin not regenerated"
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  end
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  def test_path_ok_eh
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    uninstaller = Gem::Uninstaller.new nil
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    assert_equal true, uninstaller.path_ok?(@gemhome, @spec)
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  end
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  def test_path_ok_eh_legacy
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    uninstaller = Gem::Uninstaller.new nil
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    @spec.loaded_from = @spec.loaded_from.gsub @spec.full_name, '\&-legacy'
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    @spec.internal_init # blow out cache. but why did ^^ depend on cache?
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    @spec.platform = "legacy"
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    assert_equal true, uninstaller.path_ok?(@gemhome, @spec)
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  end
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  def test_path_ok_eh_user
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    uninstaller = Gem::Uninstaller.new nil
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    assert_equal true, uninstaller.path_ok?(Gem.user_dir, @user_spec)
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  end
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  def test_uninstall
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    uninstaller = Gem::Uninstaller.new @spec.name, :executables => true
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    gem_dir = File.join @gemhome, "gems", @spec.full_name
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    Gem.pre_uninstall do
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      sleep(0.1) if win_platform?
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      assert File.exist?(gem_dir), "gem_dir should exist"
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    end
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    Gem.post_uninstall do
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      sleep(0.1) if win_platform?
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      refute File.exist?(gem_dir), "gem_dir should not exist"
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    end
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    uninstaller.uninstall
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    refute File.exist?(gem_dir)
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    assert_same uninstaller, @pre_uninstall_hook_arg
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    assert_same uninstaller, @post_uninstall_hook_arg
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  end
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  def test_uninstall_default_gem
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    spec = new_default_spec "default", "2"
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    install_default_gems spec
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    uninstaller = Gem::Uninstaller.new spec.name, :executables => true
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    use_ui @ui do
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      uninstaller.uninstall
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    end
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    lines = @ui.output.split("\n")
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    assert_equal "Gem default-2 cannot be uninstalled because it is a default gem", lines.shift
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  end
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  def test_uninstall_default_gem_with_same_version
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    default_spec = new_default_spec "default", "2"
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    install_default_gems default_spec
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    spec = util_spec "default", "2"
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    install_gem spec
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    Gem::Specification.reset
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    uninstaller = Gem::Uninstaller.new spec.name, :executables => true
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    ui = Gem::MockGemUi.new "1\ny\n"
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    use_ui ui do
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      uninstaller.uninstall
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    end
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    expected = "Successfully uninstalled default-2\n" \
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      "There was both a regular copy and a default copy of default-2. The " \
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      "regular copy was successfully uninstalled, but the default copy " \
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      "was left around because default gems can't be removed.\n"
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    assert_equal expected, ui.output
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    assert_path_not_exist spec.gem_dir
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  end
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  def test_uninstall_extension
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    @spec.extensions << "extconf.rb"
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    write_file File.join(@tempdir, "extconf.rb") do |io|
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      io.write <<-RUBY
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require 'mkmf'
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create_makefile '#{@spec.name}'
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      RUBY
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    end
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    @spec.files += %w[extconf.rb]
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    use_ui @ui do
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      path = Gem::Package.build @spec
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      installer = Gem::Installer.at path, :force => true
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      installer.install
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    end
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    assert_path_exist @spec.extension_dir, "sanity check"
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    uninstaller = Gem::Uninstaller.new @spec.name, :executables => true
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    uninstaller.uninstall
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    assert_path_not_exist @spec.extension_dir
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  end
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  def test_uninstall_nonexistent
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    uninstaller = Gem::Uninstaller.new "bogus", :executables => true
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    e = assert_raise Gem::InstallError do
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      uninstaller.uninstall
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    end
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    assert_equal 'gem "bogus" is not installed', e.message
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  end
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  def test_uninstall_not_ok
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    quick_gem "z" do |s|
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      s.add_runtime_dependency @spec.name
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    end
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    uninstaller = Gem::Uninstaller.new @spec.name
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    gem_dir = File.join @gemhome, "gems", @spec.full_name
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    executable = File.join @gemhome, "bin", "executable"
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    assert File.exist?(gem_dir),    "gem_dir must exist"
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    assert File.exist?(executable), "executable must exist"
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    ui = Gem::MockGemUi.new "n\n"
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    assert_raise Gem::DependencyRemovalException do
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      use_ui ui do
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        uninstaller.uninstall
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      end
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    end
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    assert File.exist?(gem_dir),    "gem_dir must still exist"
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    assert File.exist?(executable), "executable must still exist"
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  end
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  def test_uninstall_user_install
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    @user_spec = Gem::Specification.find_by_name "b"
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    uninstaller = Gem::Uninstaller.new(@user_spec.name,
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                                       :executables => true,
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                                       :user_install => true)
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    gem_dir = File.join @user_spec.gem_dir
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    Gem.pre_uninstall do
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      assert_path_exist gem_dir
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    end
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    Gem.post_uninstall do
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      assert_path_not_exist gem_dir
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    end
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    uninstaller.uninstall
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    assert_path_not_exist gem_dir
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    assert_same uninstaller, @pre_uninstall_hook_arg
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    assert_same uninstaller, @post_uninstall_hook_arg
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  end
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  def test_uninstall_wrong_repo
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    Dir.mkdir "#{@gemhome}2"
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    Gem.use_paths "#{@gemhome}2", [@gemhome]
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    uninstaller = Gem::Uninstaller.new @spec.name, :executables => true
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    e = assert_raise Gem::InstallError do
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      uninstaller.uninstall
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    end
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    expected = <<-MESSAGE.strip
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#{@spec.name} is not installed in GEM_HOME, try:
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\tgem uninstall -i #{@gemhome} a
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    MESSAGE
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    assert_equal expected, e.message
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  end
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  def test_uninstall_selection
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    util_make_gems
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    list = Gem::Specification.find_all_by_name "a"
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    uninstaller = Gem::Uninstaller.new "a"
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    ui = Gem::MockGemUi.new "1\ny\n"
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    use_ui ui do
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      uninstaller.uninstall
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    end
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    updated_list = Gem::Specification.find_all_by_name("a")
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    assert_equal list.length - 1, updated_list.length
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    assert_match " 1. a-1",          ui.output
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    assert_match " 2. a-2",          ui.output
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    assert_match " 3. a-3.a",        ui.output
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    assert_match " 4. All versions", ui.output
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    assert_match "uninstalled a-1",  ui.output
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  end
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  def test_uninstall_selection_greater_than_one
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    util_make_gems
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    list = Gem::Specification.find_all_by_name("a")
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    uninstaller = Gem::Uninstaller.new("a")
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    use_ui Gem::MockGemUi.new("2\ny\n") do
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      uninstaller.uninstall
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    end
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    updated_list = Gem::Specification.find_all_by_name("a")
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    assert_equal list.length - 1, updated_list.length
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  end
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  def test_uninstall_prompts_about_broken_deps
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    quick_gem "r", "1" do |s|
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      s.add_dependency "q", "= 1"
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    end
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    quick_gem "q", "1"
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    un = Gem::Uninstaller.new("q")
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    ui = Gem::MockGemUi.new("y\n")
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						|
 | 
						|
    use_ui ui do
 | 
						|
      un.uninstall
 | 
						|
    end
 | 
						|
 | 
						|
    lines = ui.output.split("\n")
 | 
						|
    lines.shift
 | 
						|
 | 
						|
    assert_match %r{You have requested to uninstall the gem:}, lines.shift
 | 
						|
    lines.shift
 | 
						|
    lines.shift
 | 
						|
 | 
						|
    assert_match %r{r-1 depends on q \(= 1\)}, lines.shift
 | 
						|
    assert_match %r{Successfully uninstalled q-1}, lines.last
 | 
						|
  end
 | 
						|
 | 
						|
  def test_uninstall_only_lists_unsatisfied_deps
 | 
						|
    quick_gem "r", "1" do |s|
 | 
						|
      s.add_dependency "q", "~> 1.0"
 | 
						|
    end
 | 
						|
 | 
						|
    quick_gem "x", "1" do |s|
 | 
						|
      s.add_dependency "q", "= 1.0"
 | 
						|
    end
 | 
						|
 | 
						|
    quick_gem "q", "1.0"
 | 
						|
    quick_gem "q", "1.1"
 | 
						|
 | 
						|
    un = Gem::Uninstaller.new("q", :version => "1.0")
 | 
						|
    ui = Gem::MockGemUi.new("y\n")
 | 
						|
 | 
						|
    use_ui ui do
 | 
						|
      un.uninstall
 | 
						|
    end
 | 
						|
 | 
						|
    lines = ui.output.split("\n")
 | 
						|
    lines.shift
 | 
						|
 | 
						|
    assert_match %r{You have requested to uninstall the gem:}, lines.shift
 | 
						|
    lines.shift
 | 
						|
    lines.shift
 | 
						|
 | 
						|
    assert_match %r{x-1 depends on q \(= 1.0\)}, lines.shift
 | 
						|
    assert_match %r{Successfully uninstalled q-1.0}, lines.last
 | 
						|
  end
 | 
						|
 | 
						|
  def test_uninstall_doesnt_prompt_when_other_gem_satisfies_requirement
 | 
						|
    quick_gem "r", "1" do |s|
 | 
						|
      s.add_dependency "q", "~> 1.0"
 | 
						|
    end
 | 
						|
 | 
						|
    quick_gem "q", "1.0"
 | 
						|
    quick_gem "q", "1.1"
 | 
						|
 | 
						|
    un = Gem::Uninstaller.new("q", :version => "1.0")
 | 
						|
    ui = Gem::MockGemUi.new("y\n")
 | 
						|
 | 
						|
    use_ui ui do
 | 
						|
      un.uninstall
 | 
						|
    end
 | 
						|
 | 
						|
    lines = ui.output.split("\n")
 | 
						|
 | 
						|
    assert_equal "Successfully uninstalled q-1.0", lines.shift
 | 
						|
  end
 | 
						|
 | 
						|
  def test_uninstall_doesnt_prompt_when_removing_a_dev_dep
 | 
						|
    quick_gem "r", "1" do |s|
 | 
						|
      s.add_development_dependency "q", "= 1.0"
 | 
						|
    end
 | 
						|
 | 
						|
    quick_gem "q", "1.0"
 | 
						|
 | 
						|
    un = Gem::Uninstaller.new("q", :version => "1.0")
 | 
						|
    ui = Gem::MockGemUi.new("y\n")
 | 
						|
 | 
						|
    use_ui ui do
 | 
						|
      un.uninstall
 | 
						|
    end
 | 
						|
 | 
						|
    lines = ui.output.split("\n")
 | 
						|
 | 
						|
    assert_equal "Successfully uninstalled q-1.0", lines.shift
 | 
						|
  end
 | 
						|
 | 
						|
  def test_uninstall_doesnt_prompt_and_raises_when_abort_on_dependent_set
 | 
						|
    quick_gem "r", "1" do |s|
 | 
						|
      s.add_dependency "q", "= 1"
 | 
						|
    end
 | 
						|
 | 
						|
    quick_gem "q", "1"
 | 
						|
 | 
						|
    un = Gem::Uninstaller.new("q", :abort_on_dependent => true)
 | 
						|
    ui = Gem::MockGemUi.new("y\n")
 | 
						|
 | 
						|
    assert_raise Gem::DependencyRemovalException do
 | 
						|
      use_ui ui do
 | 
						|
        un.uninstall
 | 
						|
      end
 | 
						|
    end
 | 
						|
  end
 | 
						|
 | 
						|
  def test_uninstall_prompt_includes_dep_type
 | 
						|
    quick_gem "r", "1" do |s|
 | 
						|
      s.add_development_dependency "q", "= 1"
 | 
						|
    end
 | 
						|
 | 
						|
    quick_gem "q", "1"
 | 
						|
 | 
						|
    un = Gem::Uninstaller.new("q", :check_dev => true)
 | 
						|
    ui = Gem::MockGemUi.new("y\n")
 | 
						|
 | 
						|
    use_ui ui do
 | 
						|
      un.uninstall
 | 
						|
    end
 | 
						|
 | 
						|
    lines = ui.output.split("\n")
 | 
						|
    lines.shift
 | 
						|
 | 
						|
    assert_match %r{You have requested to uninstall the gem:}, lines.shift
 | 
						|
    lines.shift
 | 
						|
    lines.shift
 | 
						|
 | 
						|
    assert_match %r{r-1 depends on q \(= 1, development\)}, lines.shift
 | 
						|
    assert_match %r{Successfully uninstalled q-1}, lines.last
 | 
						|
  end
 | 
						|
 | 
						|
  def test_uninstall_prompt_only_lists_the_dependents_that_prevented_uninstallation
 | 
						|
    quick_gem "r", "1" do |s|
 | 
						|
      s.add_development_dependency "q", "= 1"
 | 
						|
    end
 | 
						|
 | 
						|
    quick_gem "s", "1" do |s|
 | 
						|
      s.add_dependency "q", "= 1"
 | 
						|
    end
 | 
						|
 | 
						|
    quick_gem "q", "1"
 | 
						|
 | 
						|
    un = Gem::Uninstaller.new("q", :check_dev => false)
 | 
						|
    ui = Gem::MockGemUi.new("y\n")
 | 
						|
 | 
						|
    use_ui ui do
 | 
						|
      un.uninstall
 | 
						|
    end
 | 
						|
 | 
						|
    lines = ui.output.split("\n")
 | 
						|
    lines.shift
 | 
						|
 | 
						|
    assert_match %r{You have requested to uninstall the gem:}, lines.shift
 | 
						|
    lines.shift
 | 
						|
    lines.shift
 | 
						|
 | 
						|
    assert_match %r{s-1 depends on q \(= 1\)}, lines.shift
 | 
						|
    assert_match %r{Successfully uninstalled q-1}, lines.last
 | 
						|
  end
 | 
						|
 | 
						|
  def test_uninstall_no_permission
 | 
						|
    uninstaller = Gem::Uninstaller.new @spec.name, :executables => true
 | 
						|
 | 
						|
    stub_rm_r = lambda do |*args|
 | 
						|
      _path = args.shift
 | 
						|
      options = args.shift || Hash.new
 | 
						|
      # Uninstaller calls a method in RDoc which also calls FileUtils.rm_rf which
 | 
						|
      # is an alias for FileUtils#rm_r, so skip if we're using the force option
 | 
						|
      raise Errno::EPERM unless options[:force]
 | 
						|
    end
 | 
						|
 | 
						|
    FileUtils.stub :rm_r, stub_rm_r do
 | 
						|
      assert_raise Gem::UninstallError do
 | 
						|
        uninstaller.uninstall
 | 
						|
      end
 | 
						|
    end
 | 
						|
  end
 | 
						|
 | 
						|
  def test_uninstall_keeps_plugins_up_to_date
 | 
						|
    write_file File.join(@tempdir, "lib", "rubygems_plugin.rb") do |io|
 | 
						|
      io.write "puts __FILE__"
 | 
						|
    end
 | 
						|
 | 
						|
    plugin_path = File.join Gem.plugindir, "a_plugin.rb"
 | 
						|
 | 
						|
    @spec.version = "1"
 | 
						|
    Gem::Installer.at(Gem::Package.build(@spec), :force => true).install
 | 
						|
 | 
						|
    refute File.exist?(plugin_path), "version without plugin installed, but plugin written"
 | 
						|
 | 
						|
    @spec.files += %w[lib/rubygems_plugin.rb]
 | 
						|
    @spec.version = "2"
 | 
						|
    Gem::Installer.at(Gem::Package.build(@spec), :force => true).install
 | 
						|
 | 
						|
    assert File.exist?(plugin_path), "version with plugin installed, but plugin not written"
 | 
						|
    assert_match %r{\Arequire.*a-2/lib/rubygems_plugin\.rb}, File.read(plugin_path), "written plugin has incorrect content"
 | 
						|
 | 
						|
    @spec.version = "3"
 | 
						|
    Gem::Installer.at(Gem::Package.build(@spec), :force => true).install
 | 
						|
 | 
						|
    assert File.exist?(plugin_path), "version with plugin installed, but plugin removed"
 | 
						|
    assert_match %r{\Arequire.*a-3/lib/rubygems_plugin\.rb}, File.read(plugin_path), "old version installed, but plugin updated"
 | 
						|
 | 
						|
    Gem::Uninstaller.new("a", :version => "1", :executables => true).uninstall
 | 
						|
 | 
						|
    assert File.exist?(plugin_path), "plugin removed when old version uninstalled"
 | 
						|
    assert_match %r{\Arequire.*a-3/lib/rubygems_plugin\.rb}, File.read(plugin_path), "old version uninstalled, but plugin updated"
 | 
						|
 | 
						|
    Gem::Uninstaller.new("a", version: "3", :executables => true).uninstall
 | 
						|
 | 
						|
    assert File.exist?(plugin_path), "plugin removed when old version uninstalled and another version with plugin still present"
 | 
						|
    assert_match %r{\Arequire.*a-2/lib/rubygems_plugin\.rb}, File.read(plugin_path), "latest version uninstalled, but plugin not updated to previous version"
 | 
						|
 | 
						|
    Gem::Uninstaller.new("a", version: "2", :executables => true).uninstall
 | 
						|
 | 
						|
    refute File.exist?(plugin_path), "last version uninstalled, but plugin still present"
 | 
						|
  end
 | 
						|
end
 |