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# frozen_string_literal: false
require "test/unit"
require "irb"
module TestIRB
class TestRelineInputMethod < Test::Unit::TestCase
def setup
@conf_backup = IRB.conf.dup
IRB.conf[:LC_MESSAGES] = IRB::Locale.new
# RelineInputMethod#initialize calls IRB.set_encoding, which mutates standard input/output's encoding
# so we need to make sure we set them back
@original_io_encodings = {
STDIN => [STDIN.external_encoding, STDIN.internal_encoding],
STDOUT => [STDOUT.external_encoding, STDOUT.internal_encoding],
STDERR => [STDERR.external_encoding, STDERR.internal_encoding],
}
@original_default_encodings = [Encoding.default_external, Encoding.default_internal]
end
def teardown
IRB.conf.replace(@conf_backup)
@original_io_encodings.each do |io, (external_encoding, internal_encoding)|
io.set_encoding(external_encoding, internal_encoding)
end
EnvUtil.suppress_warning { Encoding.default_external, Encoding.default_internal = @original_default_encodings }
end
def test_initialization
IRB::RelineInputMethod.new
assert_nil Reline.completion_append_character
assert_equal '', Reline.completer_quote_characters
assert_equal IRB::InputCompletor::BASIC_WORD_BREAK_CHARACTERS, Reline.basic_word_break_characters
assert_equal IRB::InputCompletor::CompletionProc, Reline.completion_proc
assert_equal IRB::InputCompletor::PerfectMatchedProc, Reline.dig_perfect_match_proc
end
def test_initialization_without_use_autocomplete
original_show_doc_proc = Reline.dialog_proc(:show_doc)&.dialog_proc
empty_proc = Proc.new {}
Reline.add_dialog_proc(:show_doc, empty_proc)
IRB.conf[:USE_AUTOCOMPLETE] = false
IRB::RelineInputMethod.new
refute Reline.autocompletion
assert_equal empty_proc, Reline.dialog_proc(:show_doc).dialog_proc
ensure
Reline.add_dialog_proc(:show_doc, original_show_doc_proc, Reline::DEFAULT_DIALOG_CONTEXT)
end
def test_initialization_with_use_autocomplete
original_show_doc_proc = Reline.dialog_proc(:show_doc)&.dialog_proc
empty_proc = Proc.new {}
Reline.add_dialog_proc(:show_doc, empty_proc)
IRB.conf[:USE_AUTOCOMPLETE] = true
IRB::RelineInputMethod.new
assert Reline.autocompletion
assert_equal IRB::RelineInputMethod::SHOW_DOC_DIALOG, Reline.dialog_proc(:show_doc).dialog_proc
ensure
Reline.add_dialog_proc(:show_doc, original_show_doc_proc, Reline::DEFAULT_DIALOG_CONTEXT)
end
def test_initialization_with_use_autocomplete_but_without_rdoc
original_show_doc_proc = Reline.dialog_proc(:show_doc)&.dialog_proc
empty_proc = Proc.new {}
Reline.add_dialog_proc(:show_doc, empty_proc)
IRB.conf[:USE_AUTOCOMPLETE] = true
without_rdoc do
IRB::RelineInputMethod.new
end
assert Reline.autocompletion
# doesn't register show_doc dialog
assert_equal empty_proc, Reline.dialog_proc(:show_doc).dialog_proc
ensure
Reline.add_dialog_proc(:show_doc, original_show_doc_proc, Reline::DEFAULT_DIALOG_CONTEXT)
end
def without_rdoc(&block)
::Kernel.send(:alias_method, :old_require, :require)
::Kernel.define_method(:require) do |name|
raise LoadError, "cannot load such file -- rdoc (test)" if name == "rdoc"
original_require(name)
end
yield
ensure
::Kernel.send(:alias_method, :require, :old_require)
end
end
end
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