diff options
Diffstat (limited to 'test/irb')
-rw-r--r-- | test/irb/test_cmd.rb | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/test/irb/test_cmd.rb b/test/irb/test_cmd.rb index 719a2bbf8f..a58cb3e8a5 100644 --- a/test/irb/test_cmd.rb +++ b/test/irb/test_cmd.rb @@ -376,6 +376,57 @@ module TestIRB assert_match(/Please specify the file name./, out) end + def test_help + IRB.init_config(nil) + input = TestInputMethod.new([ + "help 'String#gsub'\n", + "\n", + ]) + IRB.conf[:VERBOSE] = false + IRB.conf[:PROMPT_MODE] = :SIMPLE + irb = IRB::Irb.new(IRB::WorkSpace.new(self), input) + IRB.conf[:MAIN_CONTEXT] = irb.context + out, err = capture_output do + irb.eval_input + end + + # the help command lazily loads rdoc by redefining the execute method + assert_match(/discarding old execute/, err) unless RUBY_ENGINE == 'truffleruby' + + # 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/, /Returns a copy of self with all occurrences of the given pattern/] + assert(possible_rdoc_output.any? { |output| output.match?(out) }, "Expect the help command to match one of the possible outputs") + ensure + # this is the only way to reset the redefined method without coupling the test with its implementation + load "irb/cmd/help.rb" + end + + def test_help_without_rdoc + IRB.init_config(nil) + input = TestInputMethod.new([ + "help 'String#gsub'\n", + "\n", + ]) + IRB.conf[:VERBOSE] = false + IRB.conf[:PROMPT_MODE] = :SIMPLE + irb = IRB::Irb.new(IRB::WorkSpace.new(self), input) + IRB.conf[:MAIN_CONTEXT] = irb.context + out, err = capture_output do + without_rdoc do + irb.eval_input + end + end + + # since LoadError will be raised, the execute won't be redefined + assert_no_match(/discarding old execute/, err) + # if it fails to require rdoc, it only returns the command object + assert_match(/=> IRB::ExtendCommand::Help\n/, out) + ensure + # this is the only way to reset the redefined method without coupling the test with its implementation + load "irb/cmd/help.rb" + end + def test_irb_load File.write("#{@tmpdir}/a.rb", "a = 'hi'\n") out, err = execute_lines( |