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ruby--ruby/test/rubygems/test_gem_util.rb

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2.8 KiB
Ruby

# frozen_string_literal: true
require 'rubygems/test_case'
require 'rubygems/util'
class TestGemUtil < Gem::TestCase
def test_class_popen
skip "popen with a block does not behave well on jruby" if Gem.java_platform?
assert_equal "0\n", Gem::Util.popen(*ruby_with_rubygems_in_load_path, '-e', 'p 0')
assert_raise Errno::ECHILD do
Process.wait(-1)
end
end
def test_silent_system
skip if Gem.java_platform?
Gem::Deprecate.skip_during do
out, err = capture_output do
Gem::Util.silent_system(*ruby_with_rubygems_in_load_path, '-e', 'puts "hello"; warn "hello"')
end
assert_empty out
assert_empty err
end
end
def test_traverse_parents
FileUtils.mkdir_p 'a/b/c'
enum = Gem::Util.traverse_parents 'a/b/c'
assert_equal File.join(@tempdir, 'a/b/c'), enum.next
assert_equal File.join(@tempdir, 'a/b'), enum.next
assert_equal File.join(@tempdir, 'a'), enum.next
loop { break if enum.next.nil? } # exhaust the enumerator
end
def test_traverse_parents_does_not_crash_on_permissions_error
skip 'skipped on MS Windows (chmod has no effect)' if win_platform? || java_platform?
FileUtils.mkdir_p 'd/e/f'
# remove 'execute' permission from "e" directory and make it
# impossible to cd into it and its children
FileUtils.chmod(0666, 'd/e')
skip 'skipped in root privilege' if Process.uid.zero?
paths = Gem::Util.traverse_parents('d/e/f').to_a
assert_equal File.join(@tempdir, 'd'), paths[0]
assert_equal @tempdir, paths[1]
assert_equal File.realpath("..", @tempdir), paths[2]
assert_equal File.realpath("../..", @tempdir), paths[3]
ensure
# restore default permissions, allow the directory to be removed
FileUtils.chmod(0775, 'd/e') unless win_platform? || java_platform?
end
def test_linked_list_find
list = [1,2,3,4,5].inject(Gem::List.new(0)) do |m,o|
Gem::List.new o, m
end
assert_equal 5, list.find {|x| x == 5 }
assert_equal 4, list.find {|x| x == 4 }
end
def test_glob_files_in_dir
FileUtils.mkdir_p 'g'
FileUtils.touch File.join('g', 'h.rb')
FileUtils.touch File.join('g', 'i.rb')
expected_paths = [
File.join(@tempdir, 'g/h.rb'),
File.join(@tempdir, 'g/i.rb'),
]
files_with_absolute_base = Gem::Util.glob_files_in_dir('*.rb', File.join(@tempdir, 'g'))
assert_equal expected_paths.sort, files_with_absolute_base.sort
files_with_relative_base = Gem::Util.glob_files_in_dir('*.rb', 'g')
assert_equal expected_paths.sort, files_with_relative_base.sort
end
def test_correct_for_windows_path
path = "/C:/WINDOWS/Temp/gems"
assert_equal "C:/WINDOWS/Temp/gems", Gem::Util.correct_for_windows_path(path)
path = "/home/skillet"
assert_equal "/home/skillet", Gem::Util.correct_for_windows_path(path)
end
end