diff options
Diffstat (limited to 'test/irb/test_command.rb')
| -rw-r--r-- | test/irb/test_command.rb | 971 |
1 files changed, 971 insertions, 0 deletions
diff --git a/test/irb/test_command.rb b/test/irb/test_command.rb new file mode 100644 index 0000000000..8cb8928adb --- /dev/null +++ b/test/irb/test_command.rb @@ -0,0 +1,971 @@ +# frozen_string_literal: false +require "irb" + +require_relative "helper" + +module TestIRB + class CommandTestCase < TestCase + def setup + @pwd = Dir.pwd + @tmpdir = File.join(Dir.tmpdir, "test_reline_config_#{$$}") + begin + Dir.mkdir(@tmpdir) + rescue Errno::EEXIST + FileUtils.rm_rf(@tmpdir) + Dir.mkdir(@tmpdir) + end + Dir.chdir(@tmpdir) + @home_backup = ENV["HOME"] + ENV["HOME"] = @tmpdir + @xdg_config_home_backup = ENV.delete("XDG_CONFIG_HOME") + save_encodings + IRB.instance_variable_get(:@CONF).clear + IRB.instance_variable_set(:@existing_rc_name_generators, nil) + @is_win = (RbConfig::CONFIG['host_os'] =~ /mswin|msys|mingw|cygwin|bccwin|wince|emc/) + end + + def teardown + ENV["XDG_CONFIG_HOME"] = @xdg_config_home_backup + ENV["HOME"] = @home_backup + Dir.chdir(@pwd) + FileUtils.rm_rf(@tmpdir) + restore_encodings + end + + def execute_lines(*lines, conf: {}, main: self, irb_path: nil) + capture_output do + IRB.init_config(nil) + IRB.conf[:VERBOSE] = false + IRB.conf[:PROMPT_MODE] = :SIMPLE + IRB.conf[:USE_PAGER] = false + IRB.conf.merge!(conf) + input = TestInputMethod.new(lines) + irb = IRB::Irb.new(IRB::WorkSpace.new(main), input) + irb.context.return_format = "=> %s\n" + irb.context.irb_path = irb_path if irb_path + IRB.conf[:MAIN_CONTEXT] = irb.context + irb.eval_input + end + end + end + + class FrozenObjectTest < CommandTestCase + def test_calling_command_on_a_frozen_main + main = Object.new.freeze + + out, err = execute_lines( + "irb_info", + main: main + ) + assert_empty(err) + assert_match(/RUBY_PLATFORM/, out) + end + end + + class InfoTest < CommandTestCase + def setup + super + @locals_backup = ENV.delete("LANG"), ENV.delete("LC_ALL") + end + + def teardown + super + ENV["LANG"], ENV["LC_ALL"] = @locals_backup + end + + def test_irb_info_multiline + FileUtils.touch("#{@tmpdir}/.inputrc") + FileUtils.touch("#{@tmpdir}/.irbrc") + FileUtils.touch("#{@tmpdir}/_irbrc") + + out, err = execute_lines( + "irb_info", + conf: { USE_MULTILINE: true, USE_SINGLELINE: false } + ) + + expected = %r{ + Ruby\sversion:\s.+\n + IRB\sversion:\sirb\s.+\n + InputMethod:\sAbstract\sInputMethod\n + Completion: .+\n + \.irbrc\spaths:.*\.irbrc.*_irbrc\n + RUBY_PLATFORM:\s.+\n + East\sAsian\sAmbiguous\sWidth:\s\d\n + #{@is_win ? 'Code\spage:\s\d+\n' : ''} + }x + + assert_empty err + assert_match expected, out + end + + def test_irb_info_singleline + FileUtils.touch("#{@tmpdir}/.inputrc") + FileUtils.touch("#{@tmpdir}/.irbrc") + + out, err = execute_lines( + "irb_info", + conf: { USE_MULTILINE: false, USE_SINGLELINE: true } + ) + + expected = %r{ + Ruby\sversion:\s.+\n + IRB\sversion:\sirb\s.+\n + InputMethod:\sAbstract\sInputMethod\n + Completion: .+\n + \.irbrc\spaths:\s.+\n + RUBY_PLATFORM:\s.+\n + East\sAsian\sAmbiguous\sWidth:\s\d\n + #{@is_win ? 'Code\spage:\s\d+\n' : ''} + }x + + assert_empty err + assert_match expected, out + end + + def test_irb_info_multiline_without_rc_files + inputrc_backup = ENV["INPUTRC"] + ENV["INPUTRC"] = "unknown_inpurc" + ext_backup = IRB::IRBRC_EXT + IRB.__send__(:remove_const, :IRBRC_EXT) + IRB.const_set(:IRBRC_EXT, "unknown_ext") + + out, err = execute_lines( + "irb_info", + conf: { USE_MULTILINE: true, USE_SINGLELINE: false } + ) + + expected = %r{ + Ruby\sversion:\s.+\n + IRB\sversion:\sirb\s.+\n + InputMethod:\sAbstract\sInputMethod\n + Completion: .+\n + RUBY_PLATFORM:\s.+\n + East\sAsian\sAmbiguous\sWidth:\s\d\n + #{@is_win ? 'Code\spage:\s\d+\n' : ''} + }x + + assert_empty err + assert_match expected, out + ensure + ENV["INPUTRC"] = inputrc_backup + IRB.__send__(:remove_const, :IRBRC_EXT) + IRB.const_set(:IRBRC_EXT, ext_backup) + end + + def test_irb_info_singleline_without_rc_files + inputrc_backup = ENV["INPUTRC"] + ENV["INPUTRC"] = "unknown_inpurc" + ext_backup = IRB::IRBRC_EXT + IRB.__send__(:remove_const, :IRBRC_EXT) + IRB.const_set(:IRBRC_EXT, "unknown_ext") + + out, err = execute_lines( + "irb_info", + conf: { USE_MULTILINE: false, USE_SINGLELINE: true } + ) + + expected = %r{ + Ruby\sversion:\s.+\n + IRB\sversion:\sirb\s.+\n + InputMethod:\sAbstract\sInputMethod\n + Completion: .+\n + RUBY_PLATFORM:\s.+\n + East\sAsian\sAmbiguous\sWidth:\s\d\n + #{@is_win ? 'Code\spage:\s\d+\n' : ''} + }x + + assert_empty err + assert_match expected, out + ensure + ENV["INPUTRC"] = inputrc_backup + IRB.__send__(:remove_const, :IRBRC_EXT) + IRB.const_set(:IRBRC_EXT, ext_backup) + end + + def test_irb_info_lang + FileUtils.touch("#{@tmpdir}/.inputrc") + FileUtils.touch("#{@tmpdir}/.irbrc") + ENV["LANG"] = "ja_JP.UTF-8" + ENV["LC_ALL"] = "en_US.UTF-8" + + out, err = execute_lines( + "irb_info", + conf: { USE_MULTILINE: true, USE_SINGLELINE: false } + ) + + expected = %r{ + Ruby\sversion: .+\n + IRB\sversion:\sirb .+\n + InputMethod:\sAbstract\sInputMethod\n + Completion: .+\n + \.irbrc\spaths: .+\n + RUBY_PLATFORM: .+\n + LANG\senv:\sja_JP\.UTF-8\n + LC_ALL\senv:\sen_US\.UTF-8\n + East\sAsian\sAmbiguous\sWidth:\s\d\n + }x + + assert_empty err + assert_match expected, out + end + end + + class MeasureTest < CommandTestCase + def test_measure + conf = { + PROMPT: { + DEFAULT: { + PROMPT_I: '> ', + PROMPT_S: '> ', + PROMPT_C: '> ' + } + }, + PROMPT_MODE: :DEFAULT, + MEASURE: false + } + + c = Class.new(Object) + out, err = execute_lines( + "measure\n", + "3\n", + "measure :off\n", + "3\n", + "measure :on\n", + "3\n", + "measure :off\n", + "3\n", + conf: conf, + main: c + ) + + assert_empty err + assert_match(/\A(TIME is added\.\n=> nil\nprocessing time: .+\n=> 3\n=> nil\n=> 3\n){2}/, out) + assert_empty(c.class_variables) + end + + def test_measure_keeps_previous_value + conf = { + PROMPT: { + DEFAULT: { + PROMPT_I: '> ', + PROMPT_S: '> ', + PROMPT_C: '> ' + } + }, + PROMPT_MODE: :DEFAULT, + MEASURE: false + } + + c = Class.new(Object) + out, err = execute_lines( + "measure\n", + "3\n", + "_\n", + conf: conf, + main: c + ) + + assert_empty err + assert_match(/\ATIME is added\.\n=> nil\nprocessing time: .+\n=> 3\nprocessing time: .+\n=> 3/, out) + assert_empty(c.class_variables) + end + + def test_measure_enabled_by_rc + conf = { + PROMPT: { + DEFAULT: { + PROMPT_I: '> ', + PROMPT_S: '> ', + PROMPT_C: '> ' + } + }, + PROMPT_MODE: :DEFAULT, + MEASURE: true + } + + out, err = execute_lines( + "3\n", + "measure :off\n", + "3\n", + conf: conf, + ) + + assert_empty err + assert_match(/\Aprocessing time: .+\n=> 3\n=> nil\n=> 3\n/, out) + end + + def test_measure_enabled_by_rc_with_custom + measuring_proc = proc { |line, line_no, &block| + time = Time.now + result = block.() + puts 'custom processing time: %fs' % (Time.now - time) if IRB.conf[:MEASURE] + result + } + conf = { + PROMPT: { + DEFAULT: { + PROMPT_I: '> ', + PROMPT_S: '> ', + PROMPT_C: '> ' + } + }, + PROMPT_MODE: :DEFAULT, + MEASURE: true, + MEASURE_PROC: { CUSTOM: measuring_proc } + } + + out, err = execute_lines( + "3\n", + "measure :off\n", + "3\n", + conf: conf, + ) + assert_empty err + assert_match(/\Acustom processing time: .+\n=> 3\n=> nil\n=> 3\n/, out) + end + + def test_measure_with_custom + measuring_proc = proc { |line, line_no, &block| + time = Time.now + result = block.() + puts 'custom processing time: %fs' % (Time.now - time) if IRB.conf[:MEASURE] + result + } + conf = { + PROMPT: { + DEFAULT: { + PROMPT_I: '> ', + PROMPT_S: '> ', + PROMPT_C: '> ' + } + }, + PROMPT_MODE: :DEFAULT, + MEASURE: false, + MEASURE_PROC: { CUSTOM: measuring_proc } + } + out, err = execute_lines( + "3\n", + "measure\n", + "3\n", + "measure :off\n", + "3\n", + conf: conf + ) + + assert_empty err + assert_match(/\A=> 3\nCUSTOM is added\.\n=> nil\ncustom processing time: .+\n=> 3\n=> nil\n=> 3\n/, out) + end + + def test_measure_toggle + conf = { + PROMPT: { + DEFAULT: { + PROMPT_I: '> ', + PROMPT_S: '> ', + PROMPT_C: '> ' + } + }, + PROMPT_MODE: :DEFAULT, + MEASURE: false, + MEASURE_PROC: { + FOO: proc { |&block| puts 'foo'; block.call }, + BAR: proc { |&block| puts 'bar'; block.call } + } + } + out, err = execute_lines( + "measure :foo\n", + "1\n", + "measure :on, :bar\n", + "2\n", + "measure :off, :foo\n", + "3\n", + "measure :off, :bar\n", + "4\n", + conf: conf + ) + + assert_empty err + assert_match(/\AFOO is added\.\n=> nil\nfoo\n=> 1\nBAR is added\.\n=> nil\nbar\nfoo\n=> 2\n=> nil\nbar\n=> 3\n=> nil\n=> 4\n/, out) + end + + def test_measure_with_proc_warning + conf = { + PROMPT: { + DEFAULT: { + PROMPT_I: '> ', + PROMPT_S: '> ', + PROMPT_C: '> ' + } + }, + PROMPT_MODE: :DEFAULT, + MEASURE: false, + } + c = Class.new(Object) + out, err = execute_lines( + "3\n", + "measure do\n", + "3\n", + conf: conf, + main: c + ) + + assert_match(/to add custom measure/, err) + assert_match(/\A=> 3\n=> nil\n=> 3\n/, out) + assert_empty(c.class_variables) + end + end + + class IrbSourceTest < CommandTestCase + def test_irb_source + File.write("#{@tmpdir}/a.rb", "a = 'hi'\n") + out, err = execute_lines( + "a = 'bug17564'\n", + "a\n", + "irb_source '#{@tmpdir}/a.rb'\n", + "a\n", + ) + assert_empty err + assert_pattern_list([ + /=> "bug17564"\n/, + /=> "bug17564"\n/, + / => "hi"\n/, + / => nil\n/, + /=> "hi"\n/, + ], out) + end + + def test_irb_source_without_argument + out, err = execute_lines( + "irb_source\n", + ) + assert_empty err + assert_match(/Please specify the file name./, out) + end + end + + class IrbLoadTest < CommandTestCase + def test_irb_load + File.write("#{@tmpdir}/a.rb", "a = 'hi'\n") + out, err = execute_lines( + "a = 'bug17564'\n", + "a\n", + "irb_load '#{@tmpdir}/a.rb'\n", + "a\n", + ) + assert_empty err + assert_pattern_list([ + /=> "bug17564"\n/, + /=> "bug17564"\n/, + / => "hi"\n/, + / => nil\n/, + /=> "bug17564"\n/, + ], out) + end + + def test_irb_load_without_argument + out, err = execute_lines( + "irb_load\n", + ) + + assert_empty err + assert_match(/Please specify the file name./, out) + end + end + + class WorkspaceCommandTestCase < CommandTestCase + def setup + super + # create Foo under the test class's namespace so it doesn't pollute global namespace + self.class.class_eval <<~RUBY + class Foo; end + RUBY + end + end + + class CwwsTest < WorkspaceCommandTestCase + def test_cwws_returns_the_current_workspace_object + out, err = execute_lines( + "cwws" + ) + + assert_empty err + assert_include(out, "Current workspace: #{self}") + end + end + + class PushwsTest < WorkspaceCommandTestCase + def test_pushws_switches_to_new_workspace_and_pushes_the_current_one_to_the_stack + out, err = execute_lines( + "pushws #{self.class}::Foo.new", + "self.class", + "popws", + "self.class" + ) + assert_empty err + + assert_match(/=> #{self.class}::Foo\n/, out) + assert_match(/=> #{self.class}\n$/, out) + end + + def test_pushws_extends_the_new_workspace_with_command_bundle + out, err = execute_lines( + "pushws Object.new", + "self.singleton_class.ancestors" + ) + assert_empty err + assert_include(out, "IRB::ExtendCommandBundle") + end + + def test_pushws_prints_workspace_stack_when_no_arg_is_given + out, err = execute_lines( + "pushws", + ) + assert_empty err + assert_include(out, "[#<TestIRB::PushwsTe...>]") + end + + def test_pushws_without_argument_swaps_the_top_two_workspaces + out, err = execute_lines( + "pushws #{self.class}::Foo.new", + "self.class", + "pushws", + "self.class" + ) + assert_empty err + assert_match(/=> #{self.class}::Foo\n/, out) + assert_match(/=> #{self.class}\n$/, out) + end + end + + class WorkspacesTest < WorkspaceCommandTestCase + def test_workspaces_returns_the_stack_of_workspaces + out, err = execute_lines( + "pushws #{self.class}::Foo.new\n", + "workspaces", + ) + + assert_empty err + assert_match(/\[#<TestIRB::Workspac...>, #<TestIRB::Workspac...>\]\n/, out) + end + end + + class PopwsTest < WorkspaceCommandTestCase + def test_popws_replaces_the_current_workspace_with_the_previous_one + out, err = execute_lines( + "pushws Foo.new\n", + "popws\n", + "cwws\n", + "self.class", + ) + assert_empty err + assert_include(out, "=> #{self.class}") + end + + def test_popws_prints_help_message_if_the_workspace_is_empty + out, err = execute_lines( + "popws\n", + ) + assert_empty err + assert_match(/\[#<TestIRB::PopwsTes...>\]\n/, out) + end + end + + class ChwsTest < WorkspaceCommandTestCase + def test_chws_replaces_the_current_workspace + out, err = execute_lines( + "chws #{self.class}::Foo.new\n", + "cwws\n", + "self.class\n" + ) + assert_empty err + assert_include(out, "Current workspace: #<#{self.class.name}::Foo") + assert_include(out, "=> #{self.class}::Foo") + end + + def test_chws_does_nothing_when_receiving_no_argument + out, err = execute_lines( + "chws\n", + ) + assert_empty err + assert_include(out, "Current workspace: #{self}") + end + end + + class WhereamiTest < CommandTestCase + def test_whereami + out, err = execute_lines( + "whereami\n", + ) + assert_empty err + assert_match(/^From: .+ @ line \d+ :\n/, out) + end + + def test_whereami_alias + out, err = execute_lines( + "@\n", + ) + assert_empty err + assert_match(/^From: .+ @ line \d+ :\n/, out) + end + end + + class LsTest < CommandTestCase + def test_ls + out, err = execute_lines( + "class P\n", + " def m() end\n", + " def m2() end\n", + "end\n", + + "class C < P\n", + " def m1() end\n", + " def m2() end\n", + "end\n", + + "module M\n", + " def m1() end\n", + " def m3() end\n", + "end\n", + + "module M2\n", + " include M\n", + " def m4() end\n", + "end\n", + + "obj = C.new\n", + "obj.instance_variable_set(:@a, 1)\n", + "obj.extend M2\n", + "def obj.m5() end\n", + "ls obj\n", + ) + + assert_empty err + assert_match(/^instance variables:\s+@a\n/m, out) + assert_match(/P#methods:\s+m\n/m, out) + assert_match(/C#methods:\s+m2\n/m, out) + assert_match(/M#methods:\s+m1\s+m3\n/m, out) + assert_match(/M2#methods:\s+m4\n/m, out) + assert_match(/C.methods:\s+m5\n/m, out) + end + + def test_ls_class + out, err = execute_lines( + "module M1\n", + " def m2; end\n", + " def m3; end\n", + "end\n", + + "class C1\n", + " def m1; end\n", + " def m2; end\n", + "end\n", + + "class C2 < C1\n", + " include M1\n", + " def m3; end\n", + " def m4; end\n", + " def self.m3; end\n", + " def self.m5; end\n", + "end\n", + "ls C2" + ) + + assert_empty err + assert_match(/C2.methods:\s+m3\s+m5\n/, out) + assert_match(/C2#methods:\s+m3\s+m4\n.*M1#methods:\s+m2\n.*C1#methods:\s+m1\n/, out) + assert_not_match(/Module#methods/, out) + assert_not_match(/Class#methods/, out) + end + + def test_ls_module + out, err = execute_lines( + "module M1\n", + " def m1; end\n", + " def m2; end\n", + "end\n", + + "module M2\n", + " include M1\n", + " def m1; end\n", + " def m3; end\n", + " def self.m4; end\n", + "end\n", + "ls M2" + ) + + assert_empty err + assert_match(/M2\.methods:\s+m4\n/, out) + assert_match(/M2#methods:\s+m1\s+m3\n.*M1#methods:\s+m2\n/, out) + assert_not_match(/Module#methods/, out) + end + + def test_ls_instance + out, err = execute_lines( + "class Foo; def bar; end; end\n", + "ls Foo.new" + ) + + assert_empty err + assert_match(/Foo#methods:\s+bar/, out) + # don't duplicate + assert_not_match(/Foo#methods:\s+bar\n.*Foo#methods/, out) + end + + def test_ls_grep + out, err = execute_lines("ls 42\n") + assert_empty err + assert_match(/times/, out) + assert_match(/polar/, out) + + [ + "ls 42, grep: /times/\n", + "ls 42 -g times\n", + "ls 42 -G times\n", + ].each do |line| + out, err = execute_lines(line) + assert_empty err + assert_match(/times/, out) + assert_not_match(/polar/, out) + end + end + + def test_ls_grep_empty + out, err = execute_lines("ls\n") + assert_empty err + assert_match(/assert/, out) + assert_match(/refute/, out) + + [ + "ls grep: /assert/\n", + "ls -g assert\n", + "ls -G assert\n", + ].each do |line| + out, err = execute_lines(line) + assert_empty err + assert_match(/assert/, out) + assert_not_match(/refute/, out) + end + end + + def test_ls_with_no_singleton_class + out, err = execute_lines( + "ls 42", + ) + assert_empty err + assert_match(/Comparable#methods:\s+/, out) + assert_match(/Numeric#methods:\s+/, out) + assert_match(/Integer#methods:\s+/, out) + end + end + + class ShowDocTest < CommandTestCase + def test_show_doc + out, err = execute_lines( + "show_doc String#gsub\n", + "\n", + ) + + # the former is what we'd get without document content installed, like on CI + # the latter is what we may get locally + possible_rdoc_output = [/Nothing known about String#gsub/, /gsub\(pattern\)/] + assert_not_include err, "[Deprecation]" + assert(possible_rdoc_output.any? { |output| output.match?(out) }, "Expect the `show_doc` command to match one of the possible outputs. Got:\n#{out}") + ensure + # this is the only way to reset the redefined method without coupling the test with its implementation + EnvUtil.suppress_warning { load "irb/command/help.rb" } + end + + def test_show_doc_without_rdoc + out, err = without_rdoc do + execute_lines( + "show_doc String#gsub\n", + "\n", + ) + end + + # if it fails to require rdoc, it only returns the command object + assert_match(/=> nil\n/, out) + assert_include(err, "Can't display document because `rdoc` is not installed.\n") + ensure + # this is the only way to reset the redefined method without coupling the test with its implementation + EnvUtil.suppress_warning { load "irb/command/help.rb" } + end + end + + class EditTest < CommandTestCase + def setup + @original_visual = ENV["VISUAL"] + @original_editor = ENV["EDITOR"] + # noop the command so nothing gets executed + ENV["VISUAL"] = ": code" + ENV["EDITOR"] = ": code2" + end + + def teardown + ENV["VISUAL"] = @original_visual + ENV["EDITOR"] = @original_editor + end + + def test_edit_without_arg + out, err = execute_lines( + "edit", + irb_path: __FILE__ + ) + + assert_empty err + assert_match("path: #{__FILE__}", out) + assert_match("command: ': code'", out) + end + + def test_edit_without_arg_and_non_existing_irb_path + out, err = execute_lines( + "edit", + irb_path: '/path/to/file.rb(irb)' + ) + + assert_empty err + assert_match(/Can not find file: \/path\/to\/file\.rb\(irb\)/, out) + end + + def test_edit_with_path + out, err = execute_lines( + "edit #{__FILE__}" + ) + + assert_empty err + assert_match("path: #{__FILE__}", out) + assert_match("command: ': code'", out) + end + + def test_edit_with_non_existing_path + out, err = execute_lines( + "edit test_cmd_non_existing_path.rb" + ) + + assert_empty err + assert_match(/Can not find file: test_cmd_non_existing_path\.rb/, out) + end + + def test_edit_with_constant + out, err = execute_lines( + "edit IRB::Irb" + ) + + assert_empty err + assert_match(/path: .*\/lib\/irb\.rb/, out) + assert_match("command: ': code'", out) + end + + def test_edit_with_class_method + out, err = execute_lines( + "edit IRB.start" + ) + + assert_empty err + assert_match(/path: .*\/lib\/irb\.rb/, out) + assert_match("command: ': code'", out) + end + + def test_edit_with_instance_method + out, err = execute_lines( + "edit IRB::Irb#run" + ) + + assert_empty err + assert_match(/path: .*\/lib\/irb\.rb/, out) + assert_match("command: ': code'", out) + end + + def test_edit_with_editor_env_var + ENV.delete("VISUAL") + + out, err = execute_lines( + "edit", + irb_path: __FILE__ + ) + + assert_empty err + assert_match("path: #{__FILE__}", out) + assert_match("command: ': code2'", out) + end + end + + class HistoryCmdTest < CommandTestCase + def teardown + TestInputMethod.send(:remove_const, "HISTORY") if defined?(TestInputMethod::HISTORY) + super + end + + def test_history + TestInputMethod.const_set("HISTORY", %w[foo bar baz]) + + out, err = without_rdoc do + execute_lines("history") + end + + assert_include(out, <<~EOF) + 2: baz + 1: bar + 0: foo + EOF + assert_empty err + end + + def test_multiline_history_with_truncation + TestInputMethod.const_set("HISTORY", ["foo", "bar", <<~INPUT]) + [].each do |x| + puts x + end + INPUT + + out, err = without_rdoc do + execute_lines("hist") + end + + assert_include(out, <<~EOF) + 2: [].each do |x| + puts x + ... + 1: bar + 0: foo + EOF + assert_empty err + end + + def test_history_grep + TestInputMethod.const_set("HISTORY", ["foo", "bar", <<~INPUT]) + [].each do |x| + puts x + end + INPUT + + out, err = without_rdoc do + execute_lines("hist -g each\n") + end + + assert_include(out, <<~EOF) + 2: [].each do |x| + puts x + ... + EOF + assert_empty err + end + + end + + class HelperMethodInsallTest < CommandTestCase + def test_helper_method_install + IRB::ExtendCommandBundle.module_eval do + def foobar + "test_helper_method_foobar" + end + end + + out, err = execute_lines("foobar.upcase") + assert_empty err + assert_include(out, '=> "TEST_HELPER_METHOD_FOOBAR"') + ensure + IRB::ExtendCommandBundle.remove_method :foobar + end + end +end |