require 'rubygems/installer_test_case' require 'rubygems/uninstaller' class TestGemUninstaller < Gem::InstallerTestCase def setup super common_installer_setup build_rake_in do use_ui ui do @installer.install @spec = @installer.spec @user_installer.install @user_spec = @user_installer.spec end end Gem::Specification.reset end def test_initialize_expand_path uninstaller = Gem::Uninstaller.new nil, :install_dir => '/foo//bar' assert_match %r|/foo/bar$|, uninstaller.instance_variable_get(:@gem_home) end def test_ask_if_ok c = quick_spec 'c' uninstaller = Gem::Uninstaller.new nil ok = :junk ui = Gem::MockGemUi.new "\n" use_ui ui do ok = uninstaller.ask_if_ok c end refute ok end def test_remove_all uninstaller = Gem::Uninstaller.new nil ui = Gem::MockGemUi.new "y\n" use_ui ui do uninstaller.remove_all [@spec] end refute_path_exists @spec.gem_dir end def test_remove_executables_force_keep uninstaller = Gem::Uninstaller.new nil, :executables => false executable = File.join Gem.bindir(@user_spec.base_dir), 'executable' assert File.exist?(executable), 'executable not written' use_ui @ui do uninstaller.remove_executables @user_spec end assert File.exist? executable assert_equal "Executables and scripts will remain installed.\n", @ui.output end def test_remove_executables_force_remove uninstaller = Gem::Uninstaller.new nil, :executables => true executable = File.join Gem.bindir(@user_spec.base_dir), 'executable' assert File.exist?(executable), 'executable not written' use_ui @ui do uninstaller.remove_executables @user_spec end assert_equal "Removing executable\n", @ui.output refute File.exist? executable end def test_remove_executables_user uninstaller = Gem::Uninstaller.new nil, :executables => true use_ui @ui do uninstaller.remove_executables @user_spec end exec_path = File.join Gem.user_dir, 'bin', 'executable' refute File.exist?(exec_path), 'exec still exists in user bin dir' assert_equal "Removing executable\n", @ui.output end def test_remove_executables_user_format Gem::Installer.exec_format = 'foo-%s-bar' uninstaller = Gem::Uninstaller.new nil, :executables => true, :format_executable => true use_ui @ui do uninstaller.remove_executables @user_spec end exec_path = File.join Gem.user_dir, 'bin', 'foo-executable-bar' assert_equal false, File.exist?(exec_path), 'removed exec from bin dir' assert_equal "Removing foo-executable-bar\n", @ui.output ensure Gem::Installer.exec_format = nil end def test_remove_executables_user_format_disabled Gem::Installer.exec_format = 'foo-%s-bar' uninstaller = Gem::Uninstaller.new nil, :executables => true use_ui @ui do uninstaller.remove_executables @user_spec end exec_path = File.join Gem.user_dir, 'bin', 'executable' refute File.exist?(exec_path), 'removed exec from bin dir' assert_equal "Removing executable\n", @ui.output ensure Gem::Installer.exec_format = nil end def test_path_ok_eh uninstaller = Gem::Uninstaller.new nil assert_equal true, uninstaller.path_ok?(@gemhome, @spec) end def test_path_ok_eh_legacy uninstaller = Gem::Uninstaller.new nil @spec.loaded_from = @spec.loaded_from.gsub @spec.full_name, '\&-legacy' @spec.platform = 'legacy' assert_equal true, uninstaller.path_ok?(@gemhome, @spec) end def test_path_ok_eh_user uninstaller = Gem::Uninstaller.new nil assert_equal true, uninstaller.path_ok?(Gem.user_dir, @user_spec) end def test_uninstall uninstaller = Gem::Uninstaller.new @spec.name, :executables => true gem_dir = File.join @gemhome, 'gems', @spec.full_name Gem.pre_uninstall do assert File.exist?(gem_dir), 'gem_dir should exist' end Gem.post_uninstall do refute File.exist?(gem_dir), 'gem_dir should not exist' end uninstaller.uninstall refute File.exist?(gem_dir) assert_same uninstaller, @pre_uninstall_hook_arg assert_same uninstaller, @post_uninstall_hook_arg end def test_uninstall_default_gem spec = new_default_spec 'default', '2' install_default_gems spec uninstaller = Gem::Uninstaller.new spec.name, :executables => true e = assert_raises Gem::InstallError do uninstaller.uninstall end assert_equal 'gem "default" cannot be uninstalled ' + 'because it is a default gem', e.message end def test_uninstall_default_gem_with_same_version default_spec = new_default_spec 'default', '2' install_default_gems default_spec spec = new_spec 'default', '2' install_gem spec Gem::Specification.reset uninstaller = Gem::Uninstaller.new spec.name, :executables => true uninstaller.uninstall refute_path_exists spec.gem_dir end def test_uninstall_nonexistent uninstaller = Gem::Uninstaller.new 'bogus', :executables => true e = assert_raises Gem::InstallError do uninstaller.uninstall end assert_equal 'gem "bogus" is not installed', e.message end def test_uninstall_not_ok quick_gem 'z' do |s| s.add_runtime_dependency @spec.name end uninstaller = Gem::Uninstaller.new @spec.name gem_dir = File.join @gemhome, 'gems', @spec.full_name executable = File.join @gemhome, 'bin', 'executable' assert File.exist?(gem_dir), 'gem_dir must exist' assert File.exist?(executable), 'executable must exist' ui = Gem::MockGemUi.new "n\n" assert_raises Gem::DependencyRemovalException do use_ui ui do uninstaller.uninstall end end assert File.exist?(gem_dir), 'gem_dir must still exist' assert File.exist?(executable), 'executable must still exist' end def test_uninstall_user @user_spec = Gem::Specification.find_by_name 'b' uninstaller = Gem::Uninstaller.new(@user_spec.name, :executables => true, :user_install => true) gem_dir = File.join @user_spec.gem_dir Gem.pre_uninstall do assert_path_exists gem_dir end Gem.post_uninstall do refute_path_exists gem_dir end uninstaller.uninstall refute_path_exists gem_dir assert_same uninstaller, @pre_uninstall_hook_arg assert_same uninstaller, @post_uninstall_hook_arg end def test_uninstall_wrong_repo Gem.use_paths "#{@gemhome}2", [@gemhome] uninstaller = Gem::Uninstaller.new @spec.name, :executables => true e = assert_raises Gem::InstallError do uninstaller.uninstall end expected = <<-MESSAGE.strip #{@spec.name} is not installed in GEM_HOME, try: \tgem uninstall -i #{@gemhome} a MESSAGE assert_equal expected, e.message end def test_uninstall_selection_greater_than_one util_make_gems list = Gem::Specification.find_all_by_name('a') uninstaller = Gem::Uninstaller.new('a') use_ui Gem::MockGemUi.new("2\ny\n") do uninstaller.uninstall end updated_list = Gem::Specification.find_all_by_name('a') assert_equal list.length - 1, updated_list.length end def test_uninstall_prompts_about_broken_deps quick_gem 'r', '1' do |s| s.add_dependency 'q', '= 1' end quick_gem 'q', '1' un = Gem::Uninstaller.new('q') 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 \(= 1\)!, lines.shift assert_match %r!Successfully uninstalled q-1!, lines.last end def test_uninstall_only_lists_unsatified_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_satifies_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_raises 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 end