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ruby--ruby/test/irb/test_completion.rb

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Ruby

# frozen_string_literal: false
require "test/unit"
require "pathname"
require "irb"
module TestIRB
class TestCompletion < Test::Unit::TestCase
def setup
# make sure require completion candidates are not cached
IRB::InputCompletor.class_variable_set(:@@files_from_load_path, nil)
end
def test_nonstring_module_name
begin
require "irb/completion"
bug5938 = '[ruby-core:42244]'
bundle_exec = ENV.key?('BUNDLE_GEMFILE') ? ['-rbundler/setup'] : []
cmds = bundle_exec + %W[-W0 -rirb -rirb/completion -e IRB.setup(__FILE__)
-e IRB.conf[:MAIN_CONTEXT]=IRB::Irb.new.context
-e module\sFoo;def\sself.name;//;end;end
-e IRB::InputCompletor::CompletionProc.call("[1].first.")
-- -f --]
status = assert_in_out_err(cmds, "", //, [], bug5938)
assert(status.success?, bug5938)
rescue LoadError
pend "cannot load irb/completion"
end
end
class TestMethodCompletion < TestCompletion
def test_complete_string
assert_include(IRB::InputCompletor.retrieve_completion_data("'foo'.up", bind: binding), "'foo'.upcase")
assert_equal(IRB::InputCompletor.retrieve_completion_data("'foo'.upcase", bind: binding, doc_namespace: true), "String.upcase")
end
def test_complete_regexp
assert_include(IRB::InputCompletor.retrieve_completion_data("/foo/.ma", bind: binding), "/foo/.match")
assert_equal(IRB::InputCompletor.retrieve_completion_data("/foo/.match", bind: binding, doc_namespace: true), "Regexp.match")
end
def test_complete_array
assert_include(IRB::InputCompletor.retrieve_completion_data("[].an", bind: binding), "[].any?")
assert_equal(IRB::InputCompletor.retrieve_completion_data("[].any?", bind: binding, doc_namespace: true), "Array.any?")
end
def test_complete_hash_and_proc
# hash
assert_include(IRB::InputCompletor.retrieve_completion_data("{}.an", bind: binding), "{}.any?")
assert_include(IRB::InputCompletor.retrieve_completion_data("{}.any?", bind: binding, doc_namespace: true), "Proc.any?", "Hash.any?")
# proc
assert_include(IRB::InputCompletor.retrieve_completion_data("{}.bin", bind: binding), "{}.binding")
assert_include(IRB::InputCompletor.retrieve_completion_data("{}.binding", bind: binding, doc_namespace: true), "Proc.binding", "Hash.binding")
end
def test_complete_numeric
assert_include(IRB::InputCompletor.retrieve_completion_data("1.positi", bind: binding), "1.positive?")
assert_equal(IRB::InputCompletor.retrieve_completion_data("1.positive?", bind: binding, doc_namespace: true), "Integer.positive?")
assert_include(IRB::InputCompletor.retrieve_completion_data("1r.positi", bind: binding), "1r.positive?")
assert_equal(IRB::InputCompletor.retrieve_completion_data("1r.positive?", bind: binding, doc_namespace: true), "Rational.positive?")
assert_include(IRB::InputCompletor.retrieve_completion_data("0xFFFF.positi", bind: binding), "0xFFFF.positive?")
assert_equal(IRB::InputCompletor.retrieve_completion_data("0xFFFF.positive?", bind: binding, doc_namespace: true), "Integer.positive?")
assert_empty(IRB::InputCompletor.retrieve_completion_data("1i.positi", bind: binding))
end
def test_complete_symbol
assert_include(IRB::InputCompletor.retrieve_completion_data(":foo.to_p", bind: binding), ":foo.to_proc")
assert_equal(IRB::InputCompletor.retrieve_completion_data(":foo.to_proc", bind: binding, doc_namespace: true), "Symbol.to_proc")
end
def test_complete_class
assert_include(IRB::InputCompletor.retrieve_completion_data("String.ne", bind: binding), "String.new")
assert_equal(IRB::InputCompletor.retrieve_completion_data("String.new", bind: binding, doc_namespace: true), "String.new")
end
end
class TestRequireComepletion < TestCompletion
def test_complete_require
candidates = IRB::InputCompletor::CompletionProc.("'irb", "require ", "")
%w['irb/init 'irb/ruby-lex].each do |word|
assert_include candidates, word
end
# Test cache
candidates = IRB::InputCompletor::CompletionProc.("'irb", "require ", "")
%w['irb/init 'irb/ruby-lex].each do |word|
assert_include candidates, word
end
end
def test_complete_require_with_pathname_in_load_path
temp_dir = Dir.mktmpdir
File.write(File.join(temp_dir, "foo.rb"), "test")
test_path = Pathname.new(temp_dir)
$LOAD_PATH << test_path
candidates = IRB::InputCompletor::CompletionProc.("'foo", "require ", "")
assert_include candidates, "'foo"
ensure
$LOAD_PATH.pop if test_path
FileUtils.remove_entry(temp_dir) if temp_dir
end
def test_complete_require_with_string_convertable_in_load_path
temp_dir = Dir.mktmpdir
File.write(File.join(temp_dir, "foo.rb"), "test")
object = Object.new
object.define_singleton_method(:to_s) { temp_dir }
$LOAD_PATH << object
candidates = IRB::InputCompletor::CompletionProc.("'foo", "require ", "")
assert_include candidates, "'foo"
ensure
$LOAD_PATH.pop if object
FileUtils.remove_entry(temp_dir) if temp_dir
end
def test_complete_require_with_malformed_object_in_load_path
object = Object.new
def object.to_s; raise; end
$LOAD_PATH << object
assert_nothing_raised do
IRB::InputCompletor::CompletionProc.("'foo", "require ", "")
end
ensure
$LOAD_PATH.pop if object
end
def test_complete_require_library_name_first
pend 'Need to use virtual library paths'
candidates = IRB::InputCompletor::CompletionProc.("'csv", "require ", "")
assert_equal "'csv", candidates.first
end
def test_complete_require_relative
candidates = Dir.chdir(__dir__ + "/../..") do
IRB::InputCompletor::CompletionProc.("'lib/irb", "require_relative ", "")
end
%w['lib/irb/init 'lib/irb/ruby-lex].each do |word|
assert_include candidates, word
end
# Test cache
candidates = Dir.chdir(__dir__ + "/../..") do
IRB::InputCompletor::CompletionProc.("'lib/irb", "require_relative ", "")
end
%w['lib/irb/init 'lib/irb/ruby-lex].each do |word|
assert_include candidates, word
end
end
end
class TestVariableCompletion < TestCompletion
def test_complete_variable
# Bug fix issues https://github.com/ruby/irb/issues/368
# Variables other than `str_example` and `@str_example` are defined to ensure that irb completion does not cause unintended behavior
str_example = ''
@str_example = ''
private_methods = ''
methods = ''
global_variables = ''
local_variables = ''
instance_variables = ''
# suppress "assigned but unused variable" warning
str_example.clear
@str_example.clear
private_methods.clear
methods.clear
global_variables.clear
local_variables.clear
instance_variables.clear
assert_include(IRB::InputCompletor.retrieve_completion_data("str_examp", bind: binding), "str_example")
assert_equal(IRB::InputCompletor.retrieve_completion_data("str_example", bind: binding, doc_namespace: true), "String")
assert_equal(IRB::InputCompletor.retrieve_completion_data("str_example.to_s", bind: binding, doc_namespace: true), "String.to_s")
assert_include(IRB::InputCompletor.retrieve_completion_data("@str_examp", bind: binding), "@str_example")
assert_equal(IRB::InputCompletor.retrieve_completion_data("@str_example", bind: binding, doc_namespace: true), "String")
assert_equal(IRB::InputCompletor.retrieve_completion_data("@str_example.to_s", bind: binding, doc_namespace: true), "String.to_s")
end
def test_complete_sort_variables
xzy, xzy_1, xzy2 = '', '', ''
xzy.clear
xzy_1.clear
xzy2.clear
candidates = IRB::InputCompletor.retrieve_completion_data("xz", bind: binding, doc_namespace: false)
assert_equal(candidates, %w[xzy xzy2 xzy_1])
end
end
def test_complete_symbol
%w"UTF-16LE UTF-7".each do |enc|
"K".force_encoding(enc).to_sym
rescue
end
_ = :aiueo
assert_include(IRB::InputCompletor.retrieve_completion_data(":a", bind: binding), ":aiueo")
assert_empty(IRB::InputCompletor.retrieve_completion_data(":irb_unknown_symbol_abcdefg", bind: binding))
end
def test_complete_invalid_three_colons
assert_empty(IRB::InputCompletor.retrieve_completion_data(":::A", bind: binding))
assert_empty(IRB::InputCompletor.retrieve_completion_data(":::", bind: binding))
end
def test_complete_absolute_constants_with_special_characters
assert_empty(IRB::InputCompletor.retrieve_completion_data("::A:", bind: binding))
assert_empty(IRB::InputCompletor.retrieve_completion_data("::A.", bind: binding))
assert_empty(IRB::InputCompletor.retrieve_completion_data("::A(", bind: binding))
assert_empty(IRB::InputCompletor.retrieve_completion_data("::A)", bind: binding))
end
def test_complete_symbol_failure
assert_nil(IRB::InputCompletor::PerfectMatchedProc.(":aiueo", bind: binding))
end
def test_complete_reserved_words
candidates = IRB::InputCompletor.retrieve_completion_data("de", bind: binding)
%w[def defined?].each do |word|
assert_include candidates, word
end
candidates = IRB::InputCompletor.retrieve_completion_data("__", bind: binding)
%w[__ENCODING__ __LINE__ __FILE__].each do |word|
assert_include candidates, word
end
end
def test_complete_methods
obj = Object.new
obj.singleton_class.class_eval {
def public_hoge; end
private def private_hoge; end
# Support for overriding #methods etc.
def methods; end
def private_methods; end
def global_variables; end
def local_variables; end
def instance_variables; end
}
bind = obj.instance_exec { binding }
assert_include(IRB::InputCompletor.retrieve_completion_data("public_hog", bind: bind), "public_hoge")
assert_include(IRB::InputCompletor.retrieve_completion_data("public_hoge.to_s", bind: bind), "public_hoge.to_s")
assert_include(IRB::InputCompletor.retrieve_completion_data("public_hoge", bind: bind, doc_namespace: true), "public_hoge")
assert_include(IRB::InputCompletor.retrieve_completion_data("private_hog", bind: bind), "private_hoge")
assert_include(IRB::InputCompletor.retrieve_completion_data("private_hoge.to_s", bind: bind), "private_hoge.to_s")
assert_include(IRB::InputCompletor.retrieve_completion_data("private_hoge", bind: bind, doc_namespace: true), "private_hoge")
end
end
end