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ruby--ruby/test/rubygems/test_gem_commands_uninstall_command.rb

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# frozen_string_literal: true
require 'rubygems/installer_test_case'
require 'rubygems/commands/uninstall_command'
class TestGemCommandsUninstallCommand < Gem::InstallerTestCase
def setup
super
@cmd = Gem::Commands::UninstallCommand.new
@executable = File.join(@gemhome, 'bin', 'executable')
end
def test_execute_all_named
initial_install
util_make_gems
default = new_default_spec 'default', '1'
install_default_gems default
gemhome2 = "#{@gemhome}2"
a_4, = util_gem 'a', 4
install_gem a_4, :install_dir => gemhome2
Gem::Specification.dirs = [@gemhome, gemhome2]
assert_includes Gem::Specification.all_names, 'a-1'
assert_includes Gem::Specification.all_names, 'a-4'
assert_includes Gem::Specification.all_names, 'b-2'
assert_includes Gem::Specification.all_names, 'default-1'
@cmd.options[:all] = true
@cmd.options[:args] = %w[a]
use_ui @ui do
@cmd.execute
end
assert_equal %w[a_evil-9 b-2 c-1.2 default-1 dep_x-1 pl-1-x86-linux x-1],
Gem::Specification.all_names.sort
end
def test_execute_all_named_default_single
z_1 = new_default_spec 'z', '1'
install_default_gems z_1
assert_includes Gem::Specification.all_names, 'z-1'
@cmd.options[:all] = true
@cmd.options[:args] = %w[z]
use_ui @ui do
@cmd.execute
end
assert_equal %w[z-1], Gem::Specification.all_names.sort
output = @ui.output.split "\n"
assert_equal 'Gem z-1 cannot be uninstalled because it is a default gem', output.shift
end
def test_execute_all_named_default_multiple
z_1 = new_default_spec 'z', '1'
install_default_gems z_1
z_2, = util_gem 'z', 2
install_gem z_2
assert_includes Gem::Specification.all_names, 'z-1'
assert_includes Gem::Specification.all_names, 'z-2'
@cmd.options[:all] = true
@cmd.options[:args] = %w[z]
use_ui @ui do
@cmd.execute
end
assert_equal %w[z-1], Gem::Specification.all_names.sort
output = @ui.output.split "\n"
assert_equal 'Gem z-1 cannot be uninstalled because it is a default gem', output.shift
assert_equal 'Successfully uninstalled z-2', output.shift
end
def test_execute_dependency_order
initial_install
c = quick_gem 'c' do |spec|
spec.add_dependency 'a'
end
util_build_gem c
installer = util_installer c, @gemhome
use_ui @ui do
installer.install
end
ui = Gem::MockGemUi.new
@cmd.options[:args] = %w[a c]
@cmd.options[:executables] = true
use_ui ui do
@cmd.execute
end
output = ui.output.split "\n"
assert_equal 'Successfully uninstalled c-2', output.shift
assert_equal "Removing executable", output.shift
assert_equal 'Successfully uninstalled a-2', output.shift
end
def test_execute_removes_executable
initial_install
if win_platform?
assert File.exist?(@executable)
else
assert File.symlink?(@executable)
end
# Evil hack to prevent false removal success
FileUtils.rm_f @executable
File.open @executable, "wb+" do |f|
f.puts "binary"
end
@cmd.options[:executables] = true
@cmd.options[:args] = [@spec.name]
use_ui @ui do
@cmd.execute
end
output = @ui.output.split "\n"
assert_match(/Removing executable/, output.shift)
assert_match(/Successfully uninstalled/, output.shift)
assert_equal false, File.exist?(@executable)
assert_nil output.shift, "UI output should have contained only two lines"
end
def test_execute_removes_formatted_executable
installer = setup_base_installer
FileUtils.rm_f @executable # Wish this didn't happen in #setup
Gem::Installer.exec_format = 'foo-%s-bar'
installer.format_executable = true
installer.install
formatted_executable = File.join @gemhome, 'bin', 'foo-executable-bar'
assert_equal true, File.exist?(formatted_executable)
@cmd.options[:executables] = true
@cmd.options[:format_executable] = true
@cmd.execute
assert_equal false, File.exist?(formatted_executable)
rescue
Gem::Installer.exec_format = nil
end
def test_execute_prerelease
@spec = util_spec "pre", "2.b"
@gem = File.join @tempdir, @spec.file_name
FileUtils.touch @gem
installer = util_setup_gem
build_rake_in do
use_ui @ui do
installer.install
end
end
@cmd.options[:executables] = true
@cmd.options[:args] = ["pre"]
use_ui @ui do
@cmd.execute
end
output = @ui.output
assert_match(/Successfully uninstalled/, output)
end
def test_execute_with_version_leaves_non_matching_versions
initial_install
ui = Gem::MockGemUi.new
util_make_gems
assert_equal 3, Gem::Specification.find_all_by_name('a').length
@cmd.options[:version] = '1'
@cmd.options[:force] = true
@cmd.options[:args] = ['a']
use_ui ui do
@cmd.execute
end
assert_equal 2, Gem::Specification.find_all_by_name('a').length
assert File.exist? File.join(@gemhome, 'bin', 'executable')
end
def test_execute_with_version_specified_as_colon
initial_install
ui = Gem::MockGemUi.new "y\n"
util_make_gems
assert_equal 3, Gem::Specification.find_all_by_name('a').length
@cmd.options[:force] = true
@cmd.options[:args] = ['a:1']
use_ui ui do
@cmd.execute
end
assert_equal 2, Gem::Specification.find_all_by_name('a').length
assert File.exist? File.join(@gemhome, 'bin', 'executable')
end
def test_uninstall_selection
ui = Gem::MockGemUi.new "1\n"
util_make_gems
list = Gem::Specification.find_all_by_name 'a'
@cmd.options[:args] = ['a']
use_ui ui do
@cmd.execute
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_multiple_gems
ui = Gem::MockGemUi.new "1\n"
util_make_gems
a_list = Gem::Specification.find_all_by_name('a')
b_list = Gem::Specification.find_all_by_name('b')
list = a_list + b_list
@cmd.options[:args] = ['a', 'b']
use_ui ui do
@cmd.execute
end
updated_a_list = Gem::Specification.find_all_by_name('a')
updated_b_list = Gem::Specification.find_all_by_name('b')
updated_list = updated_a_list + updated_b_list
assert_equal list.length - 2, updated_list.length
out = ui.output.split("\n")
assert_match 'uninstalled b-2', out.shift
assert_match '', out.shift
assert_match 'Select gem to uninstall:', out.shift
assert_match ' 1. a-1', out.shift
assert_match ' 2. a-2', out.shift
assert_match ' 3. a-3.a', out.shift
assert_match ' 4. All versions', out.shift
assert_match 'uninstalled a-1', out.shift
assert_empty out
end
def test_execute_with_force_and_without_version_uninstalls_everything
initial_install
ui = Gem::MockGemUi.new "y\n"
a_1, = util_gem 'a', 1
install_gem a_1
a_3a, = util_gem 'a', '3.a'
install_gem a_3a
assert_equal 3, Gem::Specification.find_all_by_name('a').length
@cmd.options[:force] = true
@cmd.options[:args] = ['a']
use_ui ui do
@cmd.execute
end
assert_empty Gem::Specification.find_all_by_name('a')
assert_match "Removing executable", ui.output
refute File.exist? @executable
end
def test_execute_with_force_ignores_dependencies
initial_install
ui = Gem::MockGemUi.new
util_make_gems
assert Gem::Specification.find_all_by_name('dep_x').length > 0
assert Gem::Specification.find_all_by_name('x').length > 0
@cmd.options[:force] = true
@cmd.options[:args] = ['x']
use_ui ui do
@cmd.execute
end
assert Gem::Specification.find_all_by_name('dep_x').length > 0
assert Gem::Specification.find_all_by_name('x').length.zero?
end
def test_execute_all
util_make_gems
default = new_default_spec 'default', '1'
install_default_gems default
gemhome2 = "#{@gemhome}2"
a_4, = util_gem 'a', 4
install_gem a_4
Gem::Specification.dirs = [@gemhome, gemhome2]
assert_includes Gem::Specification.all_names, 'a-1'
assert_includes Gem::Specification.all_names, 'a-4'
assert_includes Gem::Specification.all_names, 'default-1'
@cmd.options[:all] = true
@cmd.options[:args] = []
use_ui @ui do
@cmd.execute
end
assert_equal %w[default-1], Gem::Specification.all_names.sort
assert_equal "INFO: Uninstalled all gems in #{@gemhome}", @ui.output.split("\n").last
end
def test_execute_outside_gem_home
ui = Gem::MockGemUi.new "y\n"
gemhome2 = "#{@gemhome}2"
a_4, = util_gem 'a', 4
install_gem a_4 , :install_dir => gemhome2
Gem::Specification.dirs = [@gemhome, gemhome2]
assert_includes Gem::Specification.all_names, 'a-4'
@cmd.options[:args] = ['a:4']
e = assert_raises Gem::InstallError do
use_ui ui do
@cmd.execute
end
end
assert_includes e.message, "a is not installed in GEM_HOME"
end
def test_handle_options
@cmd.handle_options %w[]
assert_equal false, @cmd.options[:check_dev]
assert_nil @cmd.options[:install_dir]
assert_equal true, @cmd.options[:user_install]
assert_equal Gem::Requirement.default, @cmd.options[:version]
assert_equal false, @cmd.options[:vendor]
end
def test_handle_options_vendor
vendordir(File.join(@tempdir, 'vendor')) do
use_ui @ui do
@cmd.handle_options %w[--vendor]
end
assert @cmd.options[:vendor]
assert_equal Gem.vendor_dir, @cmd.options[:install_dir]
assert_empty @ui.output
expected = <<-EXPECTED
WARNING: Use your OS package manager to uninstall vendor gems
EXPECTED
assert_match expected, @ui.error
end
end
def test_execute_two_version
@cmd.options[:args] = %w[a b]
@cmd.options[:version] = Gem::Requirement.new("> 1")
use_ui @ui do
e = assert_raises Gem::MockGemUi::TermError do
@cmd.execute
end
assert_equal 1, e.exit_code
end
msg = "ERROR: Can't use --version with multiple gems. You can specify multiple gems with" \
" version requirements using `gem uninstall 'my_gem:1.0.0' 'my_other_gem:~>2.0.0'`"
assert_empty @ui.output
assert_equal msg, @ui.error.lines.last.chomp
end
def test_handle_options_vendor_missing
vendordir(nil) do
e = assert_raises OptionParser::InvalidOption do
@cmd.handle_options %w[--vendor]
end
assert_equal 'invalid option: --vendor your platform is not supported',
e.message
refute @cmd.options[:vendor]
refute @cmd.options[:install_dir]
end
end
def test_execute_with_gem_not_installed
@cmd.options[:args] = ['d']
use_ui ui do
@cmd.execute
end
output = ui.output.split "\n"
assert_equal output.first, "Gem 'd' is not installed"
end
def test_execute_with_gem_uninstall_error
initial_install
util_make_gems
@cmd.options[:args] = %w[a]
uninstall_exception = lambda do |_a|
ex = Gem::UninstallError.new
ex.spec = @spec
raise ex
end
e = nil
@cmd.stub :uninstall, uninstall_exception do
use_ui @ui do
e = assert_raises Gem::MockGemUi::TermError do
@cmd.execute
end
end
assert_equal 1, e.exit_code
end
assert_empty @ui.output
assert_match %r{Error: unable to successfully uninstall '#{@spec.name}'}, @ui.error
end
private
def initial_install
installer = setup_base_installer
common_installer_setup
build_rake_in do
use_ui @ui do
installer.install
end
end
end
end