627 lines
18 KiB
Ruby
627 lines
18 KiB
Ruby
# frozen_string_literal: false
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require 'test/unit'
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require 'tempfile'
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require 'irb'
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require 'rubygems' if defined?(Gem)
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module TestIRB
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class TestContext < Test::Unit::TestCase
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class TestInputMethod < ::IRB::InputMethod
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attr_reader :list, :line_no
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def initialize(list = [])
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super("test")
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@line_no = 0
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@list = list
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end
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def gets
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@list[@line_no]&.tap {@line_no += 1}
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end
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def eof?
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@line_no >= @list.size
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end
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def encoding
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Encoding.default_external
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end
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def reset
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@line_no = 0
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end
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def winsize
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[10, 20]
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end
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end
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def setup
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IRB.init_config(nil)
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IRB.conf[:USE_SINGLELINE] = false
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IRB.conf[:VERBOSE] = false
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workspace = IRB::WorkSpace.new(Object.new)
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@context = IRB::Context.new(nil, workspace, TestInputMethod.new)
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@get_screen_size = Reline.method(:get_screen_size)
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Reline.instance_eval { undef :get_screen_size }
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def Reline.get_screen_size
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[36, 80]
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end
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end
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def teardown
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Reline.instance_eval { undef :get_screen_size }
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Reline.define_singleton_method(:get_screen_size, @get_screen_size)
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end
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def test_last_value
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assert_nil(@context.last_value)
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assert_nil(@context.evaluate('_', 1))
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obj = Object.new
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@context.set_last_value(obj)
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assert_same(obj, @context.last_value)
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assert_same(obj, @context.evaluate('_', 1))
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end
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def test_evaluate_with_exception
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assert_nil(@context.evaluate("$!", 1))
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e = assert_raise_with_message(RuntimeError, 'foo') {
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@context.evaluate("raise 'foo'", 1)
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}
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assert_equal('foo', e.message)
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assert_same(e, @context.evaluate('$!', 1, exception: e))
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e = assert_raise(SyntaxError) {
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@context.evaluate("1,2,3", 1, exception: e)
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}
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assert_match(/\A\(irb\):1:/, e.message)
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assert_not_match(/rescue _\.class/, e.message)
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end
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def test_evaluate_with_encoding_error_without_lineno
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pend if RUBY_ENGINE == 'truffleruby'
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assert_raise_with_message(EncodingError, /invalid symbol/) {
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@context.evaluate(%q[{"\xAE": 1}], 1)
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# The backtrace of this invalid encoding hash doesn't contain lineno.
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}
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end
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def test_evaluate_with_onigmo_warning
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pend if RUBY_ENGINE == 'truffleruby'
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assert_warning("(irb):1: warning: character class has duplicated range: /[aa]/\n") do
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@context.evaluate('/[aa]/', 1)
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end
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end
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def test_eval_input
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pend if RUBY_ENGINE == 'truffleruby'
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verbose, $VERBOSE = $VERBOSE, nil
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input = TestInputMethod.new([
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"raise 'Foo'\n",
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"_\n",
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"0\n",
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"_\n",
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])
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irb = IRB::Irb.new(IRB::WorkSpace.new(Object.new), input)
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out, err = capture_output do
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irb.eval_input
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end
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assert_empty err
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assert_pattern_list([:*, /\(irb\):1:in `<main>': Foo \(RuntimeError\)\n/,
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:*, /#<RuntimeError: Foo>\n/,
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:*, /0$/,
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:*, /0$/,
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/\s*/], out)
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ensure
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$VERBOSE = verbose
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end
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def test_eval_input_raise2x
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pend if RUBY_ENGINE == 'truffleruby'
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input = TestInputMethod.new([
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"raise 'Foo'\n",
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"raise 'Bar'\n",
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"_\n",
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])
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irb = IRB::Irb.new(IRB::WorkSpace.new(Object.new), input)
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out, err = capture_output do
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irb.eval_input
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end
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assert_empty err
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assert_pattern_list([
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:*, /\(irb\):1:in `<main>': Foo \(RuntimeError\)\n/,
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:*, /\(irb\):2:in `<main>': Bar \(RuntimeError\)\n/,
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:*, /#<RuntimeError: Bar>\n/,
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], out)
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end
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def test_eval_object_without_inspect_method
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verbose, $VERBOSE = $VERBOSE, nil
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all_assertions do |all|
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IRB::Inspector::INSPECTORS.invert.each_value do |mode|
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all.for(mode) do
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input = TestInputMethod.new([
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"[BasicObject.new, Class.new]\n",
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])
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irb = IRB::Irb.new(IRB::WorkSpace.new(Object.new), input)
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irb.context.inspect_mode = mode
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out, err = capture_output do
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irb.eval_input
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end
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assert_empty err
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assert_match(/\(Object doesn't support #inspect\)\n(=> )?\n/, out)
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end
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end
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end
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ensure
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$VERBOSE = verbose
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end
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def test_default_config
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assert_equal(true, @context.use_colorize?)
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assert_equal(true, @context.use_autocomplete?)
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end
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def test_assignment_expression
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input = TestInputMethod.new
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irb = IRB::Irb.new(IRB::WorkSpace.new(Object.new), input)
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[
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"foo = bar",
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"@foo = bar",
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"$foo = bar",
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"@@foo = bar",
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"::Foo = bar",
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"a::Foo = bar",
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"Foo = bar",
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"foo.bar = 1",
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"foo[1] = bar",
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"foo += bar",
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"foo -= bar",
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"foo ||= bar",
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"foo &&= bar",
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"foo, bar = 1, 2",
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"foo.bar=(1)",
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"foo; foo = bar",
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"foo; foo = bar; ;\n ;",
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"foo\nfoo = bar",
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].each do |exp|
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assert(
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irb.assignment_expression?(exp),
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"#{exp.inspect}: should be an assignment expression"
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)
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end
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[
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"foo",
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"foo.bar",
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"foo[0]",
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"foo = bar; foo",
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"foo = bar\nfoo",
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].each do |exp|
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refute(
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irb.assignment_expression?(exp),
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"#{exp.inspect}: should not be an assignment expression"
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)
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end
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end
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def test_echo_on_assignment
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input = TestInputMethod.new([
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"a = 1\n",
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"a\n",
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"a, b = 2, 3\n",
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"a\n",
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"b\n",
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"b = 4\n",
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"_\n"
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])
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irb = IRB::Irb.new(IRB::WorkSpace.new(Object.new), input)
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irb.context.return_format = "=> %s\n"
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# The default
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irb.context.echo = true
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irb.context.echo_on_assignment = false
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out, err = capture_output do
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irb.eval_input
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end
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assert_empty err
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assert_equal("=> 1\n=> 2\n=> 3\n=> 4\n", out)
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# Everything is output, like before echo_on_assignment was introduced
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input.reset
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irb.context.echo = true
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irb.context.echo_on_assignment = true
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out, err = capture_output do
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irb.eval_input
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end
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assert_empty err
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assert_equal("=> 1\n=> 1\n=> [2, 3]\n=> 2\n=> 3\n=> 4\n=> 4\n", out)
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# Nothing is output when echo is false
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input.reset
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irb.context.echo = false
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irb.context.echo_on_assignment = false
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out, err = capture_output do
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irb.eval_input
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end
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assert_empty err
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assert_equal("", out)
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# Nothing is output when echo is false even if echo_on_assignment is true
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input.reset
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irb.context.echo = false
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irb.context.echo_on_assignment = true
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out, err = capture_output do
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irb.eval_input
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end
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assert_empty err
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assert_equal("", out)
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end
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def test_omit_on_assignment
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IRB.conf[:USE_COLORIZE] = false
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input = TestInputMethod.new([
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"a = [1] * 100\n",
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"a\n",
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])
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value = [1] * 100
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irb = IRB::Irb.new(IRB::WorkSpace.new(Object.new), input)
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irb.context.return_format = "=> %s\n"
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irb.context.echo = true
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irb.context.echo_on_assignment = false
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out, err = capture_output do
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irb.eval_input
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end
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assert_empty err
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assert_equal("=> \n#{value.pretty_inspect}", out)
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input.reset
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irb.context.echo = true
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irb.context.echo_on_assignment = :truncate
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out, err = capture_output do
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irb.eval_input
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end
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assert_empty err
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assert_equal("=> \n#{value.pretty_inspect[0..3]}...\n=> \n#{value.pretty_inspect}", out)
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input.reset
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irb.context.echo = true
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irb.context.echo_on_assignment = true
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out, err = capture_output do
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irb.eval_input
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end
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assert_empty err
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assert_equal("=> \n#{value.pretty_inspect}=> \n#{value.pretty_inspect}", out)
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input.reset
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irb.context.echo = false
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irb.context.echo_on_assignment = false
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out, err = capture_output do
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irb.eval_input
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end
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assert_empty err
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assert_equal("", out)
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input.reset
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irb.context.echo = false
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irb.context.echo_on_assignment = :truncate
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out, err = capture_output do
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irb.eval_input
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end
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assert_empty err
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assert_equal("", out)
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input.reset
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irb.context.echo = false
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irb.context.echo_on_assignment = true
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out, err = capture_output do
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irb.eval_input
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end
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assert_empty err
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assert_equal("", out)
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end
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def test_omit_multiline_on_assignment
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IRB.conf[:USE_COLORIZE] = false
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input = TestInputMethod.new([
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"class A; def inspect; ([?* * 1000] * 3).join(%{\\n}); end; end; a = A.new\n",
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"a\n"
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])
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value = ([?* * 1000] * 3).join(%{\n})
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value_first_line = (?* * 1000).to_s
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irb = IRB::Irb.new(IRB::WorkSpace.new(Object.new), input)
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irb.context.return_format = "=> %s\n"
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irb.context.echo = true
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irb.context.echo_on_assignment = false
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out, err = capture_output do
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irb.eval_input
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end
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assert_empty err
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assert_equal("=> \n#{value}\n", out)
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irb.context.evaluate('A.remove_method(:inspect)', 0)
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input.reset
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irb.context.echo = true
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irb.context.echo_on_assignment = :truncate
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out, err = capture_output do
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irb.eval_input
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end
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assert_empty err
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assert_equal("=> #{value_first_line[0..(input.winsize.last - 9)]}...\n=> \n#{value}\n", out)
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irb.context.evaluate('A.remove_method(:inspect)', 0)
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input.reset
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irb.context.echo = true
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irb.context.echo_on_assignment = true
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out, err = capture_output do
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irb.eval_input
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end
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assert_empty err
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assert_equal("=> \n#{value}\n=> \n#{value}\n", out)
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irb.context.evaluate('A.remove_method(:inspect)', 0)
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input.reset
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irb.context.echo = false
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irb.context.echo_on_assignment = false
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out, err = capture_output do
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irb.eval_input
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end
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assert_empty err
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assert_equal("", out)
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irb.context.evaluate('A.remove_method(:inspect)', 0)
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input.reset
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irb.context.echo = false
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irb.context.echo_on_assignment = :truncate
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out, err = capture_output do
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irb.eval_input
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end
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assert_empty err
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assert_equal("", out)
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irb.context.evaluate('A.remove_method(:inspect)', 0)
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input.reset
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irb.context.echo = false
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irb.context.echo_on_assignment = true
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out, err = capture_output do
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irb.eval_input
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end
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assert_empty err
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assert_equal("", out)
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irb.context.evaluate('A.remove_method(:inspect)', 0)
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end
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def test_echo_on_assignment_conf
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# Default
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IRB.conf[:ECHO] = nil
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IRB.conf[:ECHO_ON_ASSIGNMENT] = nil
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IRB.conf[:USE_COLORIZE] = false
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input = TestInputMethod.new()
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irb = IRB::Irb.new(IRB::WorkSpace.new(Object.new), input)
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assert(irb.context.echo?, "echo? should be true by default")
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assert_equal(:truncate, irb.context.echo_on_assignment?, "echo_on_assignment? should be :truncate by default")
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# Explicitly set :ECHO to false
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IRB.conf[:ECHO] = false
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irb = IRB::Irb.new(IRB::WorkSpace.new(Object.new), input)
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refute(irb.context.echo?, "echo? should be false when IRB.conf[:ECHO] is set to false")
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assert_equal(:truncate, irb.context.echo_on_assignment?, "echo_on_assignment? should be :truncate by default")
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# Explicitly set :ECHO_ON_ASSIGNMENT to true
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IRB.conf[:ECHO] = nil
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IRB.conf[:ECHO_ON_ASSIGNMENT] = false
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irb = IRB::Irb.new(IRB::WorkSpace.new(Object.new), input)
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assert(irb.context.echo?, "echo? should be true by default")
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refute(irb.context.echo_on_assignment?, "echo_on_assignment? should be false when IRB.conf[:ECHO_ON_ASSIGNMENT] is set to false")
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end
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def test_multiline_output_on_default_inspector
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main = Object.new
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def main.inspect
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"abc\ndef"
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end
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IRB.conf[:USE_COLORIZE] = false
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input = TestInputMethod.new([
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"self"
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])
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irb = IRB::Irb.new(IRB::WorkSpace.new(main), input)
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irb.context.return_format = "=> %s\n"
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# The default
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irb.context.newline_before_multiline_output = true
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out, err = capture_output do
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irb.eval_input
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end
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assert_empty err
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assert_equal("=> \nabc\ndef\n",
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out)
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# No newline before multiline output
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input.reset
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irb.context.newline_before_multiline_output = false
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out, err = capture_output do
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irb.eval_input
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end
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assert_empty err
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assert_equal("=> abc\ndef\n",
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out)
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end
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def test_default_return_format
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IRB.conf[:PROMPT][:MY_PROMPT] = {
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:PROMPT_I => "%03n> ",
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:PROMPT_N => "%03n> ",
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:PROMPT_S => "%03n> ",
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:PROMPT_C => "%03n> "
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# without :RETURN
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# :RETURN => "%s\n"
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}
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IRB.conf[:PROMPT_MODE] = :MY_PROMPT
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input = TestInputMethod.new([
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"3"
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])
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irb = IRB::Irb.new(IRB::WorkSpace.new(Object.new), input)
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out, err = capture_output do
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irb.eval_input
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end
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assert_empty err
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assert_equal("3\n",
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out)
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end
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def test_eval_input_with_exception
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pend if RUBY_ENGINE == 'truffleruby'
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verbose, $VERBOSE = $VERBOSE, nil
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input = TestInputMethod.new([
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"def hoge() fuga; end; def fuga() raise; end; hoge\n",
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])
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irb = IRB::Irb.new(IRB::WorkSpace.new(Object.new), input)
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out, err = capture_output do
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irb.eval_input
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end
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assert_empty err
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if '2.5.0' <= RUBY_VERSION && RUBY_VERSION < '3.0.0' && STDOUT.tty?
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expected = [
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:*, /Traceback \(most recent call last\):\n/,
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:*, /\t 2: from \(irb\):1:in `<main>'\n/,
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:*, /\t 1: from \(irb\):1:in `hoge'\n/,
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:*, /\(irb\):1:in `fuga': unhandled exception\n/,
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]
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else
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expected = [
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:*, /\(irb\):1:in `fuga': unhandled exception\n/,
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:*, /\tfrom \(irb\):1:in `hoge'\n/,
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:*, /\tfrom \(irb\):1:in `<main>'\n/,
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:*
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]
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end
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assert_pattern_list(expected, out)
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ensure
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$VERBOSE = verbose
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end
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def test_eval_input_with_invalid_byte_sequence_exception
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pend if RUBY_ENGINE == 'truffleruby'
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verbose, $VERBOSE = $VERBOSE, nil
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input = TestInputMethod.new([
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%Q{def hoge() fuga; end; def fuga() raise "A\\xF3B"; end; hoge\n},
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])
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irb = IRB::Irb.new(IRB::WorkSpace.new(Object.new), input)
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out, err = capture_output do
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irb.eval_input
|
|
end
|
|
assert_empty err
|
|
if '2.5.0' <= RUBY_VERSION && RUBY_VERSION < '3.0.0' && STDOUT.tty?
|
|
expected = [
|
|
:*, /Traceback \(most recent call last\):\n/,
|
|
:*, /\t 2: from \(irb\):1:in `<main>'\n/,
|
|
:*, /\t 1: from \(irb\):1:in `hoge'\n/,
|
|
:*, /\(irb\):1:in `fuga': A\\xF3B \(RuntimeError\)\n/,
|
|
]
|
|
else
|
|
expected = [
|
|
:*, /\(irb\):1:in `fuga': A\\xF3B \(RuntimeError\)\n/,
|
|
:*, /\tfrom \(irb\):1:in `hoge'\n/,
|
|
:*, /\tfrom \(irb\):1:in `<main>'\n/,
|
|
:*
|
|
]
|
|
end
|
|
assert_pattern_list(expected, out)
|
|
ensure
|
|
$VERBOSE = verbose
|
|
end
|
|
|
|
def test_eval_input_with_long_exception
|
|
pend if RUBY_ENGINE == 'truffleruby'
|
|
verbose, $VERBOSE = $VERBOSE, nil
|
|
nesting = 20
|
|
generated_code = ''
|
|
nesting.times do |i|
|
|
generated_code << "def a#{i}() a#{i + 1}; end; "
|
|
end
|
|
generated_code << "def a#{nesting}() raise; end; a0\n"
|
|
input = TestInputMethod.new([
|
|
generated_code
|
|
])
|
|
irb = IRB::Irb.new(IRB::WorkSpace.new(Object.new), input)
|
|
out, err = capture_output do
|
|
irb.eval_input
|
|
end
|
|
assert_empty err
|
|
if '2.5.0' <= RUBY_VERSION && RUBY_VERSION < '3.0.0' && STDOUT.tty?
|
|
expected = [
|
|
:*, /Traceback \(most recent call last\):\n/,
|
|
:*, /\t... \d+ levels...\n/,
|
|
:*, /\t16: from \(irb\):1:in `a4'\n/,
|
|
:*, /\t15: from \(irb\):1:in `a5'\n/,
|
|
:*, /\t14: from \(irb\):1:in `a6'\n/,
|
|
:*, /\t13: from \(irb\):1:in `a7'\n/,
|
|
:*, /\t12: from \(irb\):1:in `a8'\n/,
|
|
:*, /\t11: from \(irb\):1:in `a9'\n/,
|
|
:*, /\t10: from \(irb\):1:in `a10'\n/,
|
|
:*, /\t 9: from \(irb\):1:in `a11'\n/,
|
|
:*, /\t 8: from \(irb\):1:in `a12'\n/,
|
|
:*, /\t 7: from \(irb\):1:in `a13'\n/,
|
|
:*, /\t 6: from \(irb\):1:in `a14'\n/,
|
|
:*, /\t 5: from \(irb\):1:in `a15'\n/,
|
|
:*, /\t 4: from \(irb\):1:in `a16'\n/,
|
|
:*, /\t 3: from \(irb\):1:in `a17'\n/,
|
|
:*, /\t 2: from \(irb\):1:in `a18'\n/,
|
|
:*, /\t 1: from \(irb\):1:in `a19'\n/,
|
|
:*, /\(irb\):1:in `a20': unhandled exception\n/,
|
|
]
|
|
else
|
|
expected = [
|
|
:*, /\(irb\):1:in `a20': unhandled exception\n/,
|
|
:*, /\tfrom \(irb\):1:in `a19'\n/,
|
|
:*, /\tfrom \(irb\):1:in `a18'\n/,
|
|
:*, /\tfrom \(irb\):1:in `a17'\n/,
|
|
:*, /\tfrom \(irb\):1:in `a16'\n/,
|
|
:*, /\tfrom \(irb\):1:in `a15'\n/,
|
|
:*, /\tfrom \(irb\):1:in `a14'\n/,
|
|
:*, /\tfrom \(irb\):1:in `a13'\n/,
|
|
:*, /\tfrom \(irb\):1:in `a12'\n/,
|
|
:*, /\tfrom \(irb\):1:in `a11'\n/,
|
|
:*, /\tfrom \(irb\):1:in `a10'\n/,
|
|
:*, /\tfrom \(irb\):1:in `a9'\n/,
|
|
:*, /\tfrom \(irb\):1:in `a8'\n/,
|
|
:*, /\tfrom \(irb\):1:in `a7'\n/,
|
|
:*, /\tfrom \(irb\):1:in `a6'\n/,
|
|
:*, /\tfrom \(irb\):1:in `a5'\n/,
|
|
:*, /\tfrom \(irb\):1:in `a4'\n/,
|
|
:*, /\t... \d+ levels...\n/,
|
|
]
|
|
end
|
|
assert_pattern_list(expected, out)
|
|
ensure
|
|
$VERBOSE = verbose
|
|
end
|
|
|
|
def test_lineno
|
|
input = TestInputMethod.new([
|
|
"\n",
|
|
"__LINE__\n",
|
|
"__LINE__\n",
|
|
"\n",
|
|
"\n",
|
|
"__LINE__\n",
|
|
])
|
|
irb = IRB::Irb.new(IRB::WorkSpace.new(Object.new), input)
|
|
out, err = capture_output do
|
|
irb.eval_input
|
|
end
|
|
assert_empty err
|
|
assert_pattern_list([
|
|
:*, /\b2\n/,
|
|
:*, /\b3\n/,
|
|
:*, /\b6\n/,
|
|
], out)
|
|
end
|
|
end
|
|
end
|