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ruby--ruby/test/rubygems/test_gem_uninstaller.rb

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Ruby

# frozen_string_literal: true
require 'rubygems/installer_test_case'
require 'rubygems/uninstaller'
class TestGemUninstaller < Gem::InstallerTestCase
def setup
super
@installer = setup_base_installer
@user_installer = setup_base_user_installer
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
FileUtils.mkdir_p 'foo/bar'
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 = util_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
assert_path_not_exist @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_remove_not_in_home
Dir.mkdir "#{@gemhome}2"
uninstaller = Gem::Uninstaller.new nil, :install_dir => "#{@gemhome}2"
e = assert_raise Gem::GemNotInHomeException do
use_ui ui do
uninstaller.remove @spec
end
end
expected =
"Gem '#{@spec.full_name}' is not installed in directory #{@gemhome}2"
assert_equal expected, e.message
assert_path_exist @spec.gem_dir
end
def test_remove_symlinked_gem_home
skip "Symlinks not supported or not enabled" unless symlink_supported?
Dir.mktmpdir("gem_home") do |dir|
symlinked_gem_home = "#{dir}/#{File.basename(@gemhome)}"
FileUtils.ln_s(@gemhome, dir)
uninstaller = Gem::Uninstaller.new nil, :install_dir => symlinked_gem_home
use_ui ui do
uninstaller.remove @spec
end
assert_path_not_exist @spec.gem_dir
end
end
def test_remove_plugins
write_file File.join(@tempdir, 'lib', 'rubygems_plugin.rb') do |io|
io.write "puts __FILE__"
end
@spec.files += %w[lib/rubygems_plugin.rb]
Gem::Installer.at(Gem::Package.build(@spec), :force => true).install
plugin_path = File.join Gem.plugindir, 'a_plugin.rb'
assert File.exist?(plugin_path), 'plugin not written'
Gem::Uninstaller.new(nil).remove_plugins @spec
refute File.exist?(plugin_path), 'plugin not removed'
end
def test_remove_plugins_with_install_dir
write_file File.join(@tempdir, 'lib', 'rubygems_plugin.rb') do |io|
io.write "puts __FILE__"
end
@spec.files += %w[lib/rubygems_plugin.rb]
Gem::Installer.at(Gem::Package.build(@spec), :force => true).install
plugin_path = File.join Gem.plugindir, 'a_plugin.rb'
assert File.exist?(plugin_path), 'plugin not written'
Dir.mkdir "#{@gemhome}2"
Gem::Uninstaller.new(nil, :install_dir => "#{@gemhome}2").remove_plugins @spec
assert File.exist?(plugin_path), 'plugin unintentionally removed'
end
def test_regenerate_plugins_for
write_file File.join(@tempdir, 'lib', 'rubygems_plugin.rb') do |io|
io.write "puts __FILE__"
end
@spec.files += %w[lib/rubygems_plugin.rb]
Gem::Installer.at(Gem::Package.build(@spec), :force => true).install
plugin_path = File.join Gem.plugindir, 'a_plugin.rb'
assert File.exist?(plugin_path), 'plugin not written'
FileUtils.rm plugin_path
Gem::Uninstaller.new(nil).regenerate_plugins_for @spec, Gem.plugindir
assert File.exist?(plugin_path), 'plugin not regenerated'
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.internal_init # blow out cache. but why did ^^ depend on cache?
@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
sleep(0.1) if win_platform?
assert File.exist?(gem_dir), 'gem_dir should exist'
end
Gem.post_uninstall do
sleep(0.1) if win_platform?
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
use_ui @ui do
uninstaller.uninstall
end
lines = @ui.output.split("\n")
assert_equal 'Gem default-2 cannot be uninstalled because it is a default gem', lines.shift
end
def test_uninstall_default_gem_with_same_version
default_spec = new_default_spec 'default', '2'
install_default_gems default_spec
spec = util_spec 'default', '2'
install_gem spec
Gem::Specification.reset
uninstaller = Gem::Uninstaller.new spec.name, :executables => true
uninstaller.uninstall
assert_path_not_exist spec.gem_dir
end
def test_uninstall_extension
@spec.extensions << 'extconf.rb'
write_file File.join(@tempdir, 'extconf.rb') do |io|
io.write <<-RUBY
require 'mkmf'
create_makefile '#{@spec.name}'
RUBY
end
@spec.files += %w[extconf.rb]
use_ui @ui do
path = Gem::Package.build @spec
installer = Gem::Installer.at path, :force => true
installer.install
end
assert_path_exist @spec.extension_dir, 'sanity check'
uninstaller = Gem::Uninstaller.new @spec.name, :executables => true
uninstaller.uninstall
assert_path_not_exist @spec.extension_dir
end
def test_uninstall_nonexistent
uninstaller = Gem::Uninstaller.new 'bogus', :executables => true
e = assert_raise 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_raise 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_install
@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_exist gem_dir
end
Gem.post_uninstall do
assert_path_not_exist gem_dir
end
uninstaller.uninstall
assert_path_not_exist gem_dir
assert_same uninstaller, @pre_uninstall_hook_arg
assert_same uninstaller, @post_uninstall_hook_arg
end
def test_uninstall_wrong_repo
Dir.mkdir "#{@gemhome}2"
Gem.use_paths "#{@gemhome}2", [@gemhome]
uninstaller = Gem::Uninstaller.new @spec.name, :executables => true
e = assert_raise 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
util_make_gems
list = Gem::Specification.find_all_by_name 'a'
uninstaller = Gem::Uninstaller.new 'a'
ui = Gem::MockGemUi.new "1\ny\n"
use_ui ui do
uninstaller.uninstall
end
updated_list = Gem::Specification.find_all_by_name('a')
assert_equal list.length - 1, updated_list.length
assert_match ' 1. a-1', ui.output
assert_match ' 2. a-2', ui.output
assert_match ' 3. a-3.a', ui.output
assert_match ' 4. All versions', ui.output
assert_match 'uninstalled a-1', ui.output
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_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