Migrate irb and reline to the bundled gems

1 files changed, 0 insertions, 234 deletions

diff --git a/test/irb/helper.rb b/test/irb/helper.rb
deleted file mode 100644
index ea2c6ef16a..0000000000
--- a/test/irb/helper.rb
+++ /dev/null
@@ -1,234 +0,0 @@
-require "test/unit"
-require "pathname"
-require "rubygems"
-
-begin
-  require_relative "../lib/helper"
-  require_relative "../lib/envutil"
-rescue LoadError # ruby/ruby defines helpers differently
-end
-
-begin
-  require "pty"
-rescue LoadError # some platforms don't support PTY
-end
-
-module IRB
-  class InputMethod; end
-end
-
-module TestIRB
-  RUBY_3_4 = Gem::Version.new(RUBY_VERSION) >= Gem::Version.new("3.4.0.dev")
-  class TestCase < Test::Unit::TestCase
-    class TestInputMethod < ::IRB::InputMethod
-      attr_reader :list, :line_no
-
-      def initialize(list = [])
-        @line_no = 0
-        @list = list
-      end
-
-      def gets
-        @list[@line_no]&.tap {@line_no += 1}
-      end
-
-      def eof?
-        @line_no >= @list.size
-      end
-
-      def encoding
-        Encoding.default_external
-      end
-
-      def reset
-        @line_no = 0
-      end
-    end
-
-    def ruby_core?
-      !Pathname(__dir__).join("../../", "irb.gemspec").exist?
-    end
-
-    def setup_envs(home:)
-      @backup_home = ENV["HOME"]
-      ENV["HOME"] = home
-      @backup_xdg_config_home = ENV.delete("XDG_CONFIG_HOME")
-      @backup_irbrc = ENV.delete("IRBRC")
-    end
-
-    def teardown_envs
-      ENV["HOME"] = @backup_home
-      ENV["XDG_CONFIG_HOME"] = @backup_xdg_config_home
-      ENV["IRBRC"] = @backup_irbrc
-    end
-
-    def save_encodings
-      @default_encoding = [Encoding.default_external, Encoding.default_internal]
-      @stdio_encodings = [STDIN, STDOUT, STDERR].map {|io| [io.external_encoding, io.internal_encoding] }
-    end
-
-    def restore_encodings
-      EnvUtil.suppress_warning do
-        Encoding.default_external, Encoding.default_internal = *@default_encoding
-        [STDIN, STDOUT, STDERR].zip(@stdio_encodings) do |io, encs|
-          io.set_encoding(*encs)
-        end
-      end
-    end
-
-    def without_rdoc(&block)
-      ::Kernel.send(:alias_method, :irb_original_require, :require)
-
-      ::Kernel.define_method(:require) do |name|
-        raise LoadError, "cannot load such file -- rdoc (test)" if name.match?("rdoc") || name.match?(/^rdoc\/.*/)
-        ::Kernel.send(:irb_original_require, name)
-      end
-
-      yield
-    ensure
-      EnvUtil.suppress_warning {
-        ::Kernel.send(:alias_method, :require, :irb_original_require)
-        ::Kernel.undef_method :irb_original_require
-      }
-    end
-  end
-
-  class IntegrationTestCase < TestCase
-    LIB = File.expand_path("../../lib", __dir__)
-    TIMEOUT_SEC = 3
-
-    def setup
-      @envs = {}
-      @tmpfiles = []
-
-      unless defined?(PTY)
-        omit "Integration tests require PTY."
-      end
-
-      if ruby_core?
-        omit "This test works only under ruby/irb"
-      end
-
-      write_rc <<~RUBY
-        IRB.conf[:USE_PAGER] = false
-      RUBY
-    end
-
-    def teardown
-      @tmpfiles.each do |tmpfile|
-        File.unlink(tmpfile)
-      end
-    end
-
-    def run_ruby_file(&block)
-      cmd = [EnvUtil.rubybin, "-I", LIB, @ruby_file.to_path]
-      tmp_dir = Dir.mktmpdir
-
-      @commands = []
-      lines = []
-
-      yield
-
-      # Test should not depend on user's irbrc file
-      @envs["HOME"] ||= tmp_dir
-      @envs["XDG_CONFIG_HOME"] ||= tmp_dir
-      @envs["IRBRC"] = nil unless @envs.key?("IRBRC")
-
-      envs_for_spawn = @envs.merge('TERM' => 'dumb', 'TEST_IRB_FORCE_INTERACTIVE' => 'true')
-
-      PTY.spawn(envs_for_spawn, *cmd) do |read, write, pid|
-        Timeout.timeout(TIMEOUT_SEC) do
-          while line = safe_gets(read)
-            lines << line
-
-            # means the breakpoint is triggered
-            if line.match?(/binding\.irb/)
-              while command = @commands.shift
-                write.puts(command)
-              end
-            end
-          end
-        end
-      ensure
-        read.close
-        write.close
-        kill_safely(pid)
-      end
-
-      lines.join
-    rescue Timeout::Error
-      message = <<~MSG
-      Test timedout.
-
-      #{'=' * 30} OUTPUT #{'=' * 30}
-        #{lines.map { |l| "  #{l}" }.join}
-      #{'=' * 27} END OF OUTPUT #{'=' * 27}
-      MSG
-      assert_block(message) { false }
-    ensure
-      FileUtils.remove_entry tmp_dir
-    end
-
-    # read.gets could raise exceptions on some platforms
-    # https://github.com/ruby/ruby/blob/master/ext/pty/pty.c#L721-L728
-    def safe_gets(read)
-      read.gets
-    rescue Errno::EIO
-      nil
-    end
-
-    def kill_safely pid
-      return if wait_pid pid, TIMEOUT_SEC
-
-      Process.kill :TERM, pid
-      return if wait_pid pid, 0.2
-
-      Process.kill :KILL, pid
-      Process.waitpid(pid)
-    rescue Errno::EPERM, Errno::ESRCH
-    end
-
-    def wait_pid pid, sec
-      total_sec = 0.0
-      wait_sec = 0.001 # 1ms
-
-      while total_sec < sec
-        if Process.waitpid(pid, Process::WNOHANG) == pid
-          return true
-        end
-        sleep wait_sec
-        total_sec += wait_sec
-        wait_sec *= 2
-      end
-
-      false
-    rescue Errno::ECHILD
-      true
-    end
-
-    def type(command)
-      @commands << command
-    end
-
-    def write_ruby(program)
-      @ruby_file = Tempfile.create(%w{irbtest- .rb})
-      @tmpfiles << @ruby_file
-      @ruby_file.write(program)
-      @ruby_file.close
-    end
-
-    def write_rc(content)
-      # Append irbrc content if a tempfile for it already exists
-      if @irbrc
-        @irbrc = File.open(@irbrc, "a")
-      else
-        @irbrc = Tempfile.new('irbrc')
-        @tmpfiles << @irbrc
-      end
-
-      @irbrc.write(content)
-      @irbrc.close
-      @envs['IRBRC'] = @irbrc.path
-    end
-  end
-end