зеркало из https://github.com/github/ruby.git
204 строки
10 KiB
Ruby
204 строки
10 KiB
Ruby
# frozen_string_literal: false
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require 'test/unit'
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require 'irb/color'
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require 'rubygems'
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require 'stringio'
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module TestIRB
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class TestColor < Test::Unit::TestCase
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CLEAR = "\e[0m"
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BOLD = "\e[1m"
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UNDERLINE = "\e[4m"
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REVERSE = "\e[7m"
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RED = "\e[31m"
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GREEN = "\e[32m"
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YELLOW = "\e[33m"
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BLUE = "\e[34m"
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MAGENTA = "\e[35m"
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CYAN = "\e[36m"
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def test_colorize_code
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# Common behaviors. Warn parser error, but do not warn compile error.
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tests = {
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"1" => "#{BLUE}#{BOLD}1#{CLEAR}",
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"2.3" => "#{MAGENTA}#{BOLD}2.3#{CLEAR}",
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"7r" => "#{BLUE}#{BOLD}7r#{CLEAR}",
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"8i" => "#{BLUE}#{BOLD}8i#{CLEAR}",
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"['foo', :bar]" => "[#{RED}#{BOLD}'#{CLEAR}#{RED}foo#{CLEAR}#{RED}#{BOLD}'#{CLEAR}, #{YELLOW}:#{CLEAR}#{YELLOW}bar#{CLEAR}]",
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"class A; end" => "#{GREEN}class#{CLEAR} #{BLUE}#{BOLD}#{UNDERLINE}A#{CLEAR}; #{GREEN}end#{CLEAR}",
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"def self.foo; bar; end" => "#{GREEN}def#{CLEAR} #{CYAN}#{BOLD}self#{CLEAR}.#{BLUE}#{BOLD}foo#{CLEAR}; bar; #{GREEN}end#{CLEAR}",
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'erb = ERB.new("a#{nil}b", trim_mode: "-")' => "erb = #{BLUE}#{BOLD}#{UNDERLINE}ERB#{CLEAR}.new(#{RED}#{BOLD}\"#{CLEAR}#{RED}a#{CLEAR}#{RED}\#{#{CLEAR}#{CYAN}#{BOLD}nil#{CLEAR}#{RED}}#{CLEAR}#{RED}b#{CLEAR}#{RED}#{BOLD}\"#{CLEAR}, #{MAGENTA}trim_mode:#{CLEAR} #{RED}#{BOLD}\"#{CLEAR}#{RED}-#{CLEAR}#{RED}#{BOLD}\"#{CLEAR})",
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"# comment" => "#{BLUE}#{BOLD}# comment#{CLEAR}",
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"def f;yield(hello);end" => "#{GREEN}def#{CLEAR} #{BLUE}#{BOLD}f#{CLEAR};#{GREEN}yield#{CLEAR}(hello);#{GREEN}end#{CLEAR}",
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'"##@var]"' => "#{RED}#{BOLD}\"#{CLEAR}#{RED}\##{CLEAR}#{RED}\##{CLEAR}@var#{RED}]#{CLEAR}#{RED}#{BOLD}\"#{CLEAR}",
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'"foo#{a} #{b}"' => "#{RED}#{BOLD}\"#{CLEAR}#{RED}foo#{CLEAR}#{RED}\#{#{CLEAR}a#{RED}}#{CLEAR}#{RED} #{CLEAR}#{RED}\#{#{CLEAR}b#{RED}}#{CLEAR}#{RED}#{BOLD}\"#{CLEAR}",
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'/r#{e}g/' => "#{RED}#{BOLD}/#{CLEAR}#{RED}r#{CLEAR}#{RED}\#{#{CLEAR}e#{RED}}#{CLEAR}#{RED}g#{CLEAR}#{RED}#{BOLD}/#{CLEAR}",
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"'a\nb'" => "#{RED}#{BOLD}'#{CLEAR}#{RED}a#{CLEAR}\n#{RED}b#{CLEAR}#{RED}#{BOLD}'#{CLEAR}",
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"%[str]" => "#{RED}#{BOLD}%[#{CLEAR}#{RED}str#{CLEAR}#{RED}#{BOLD}]#{CLEAR}",
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"%Q[str]" => "#{RED}#{BOLD}%Q[#{CLEAR}#{RED}str#{CLEAR}#{RED}#{BOLD}]#{CLEAR}",
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"%q[str]" => "#{RED}#{BOLD}%q[#{CLEAR}#{RED}str#{CLEAR}#{RED}#{BOLD}]#{CLEAR}",
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"%x[cmd]" => "#{RED}#{BOLD}%x[#{CLEAR}#{RED}cmd#{CLEAR}#{RED}#{BOLD}]#{CLEAR}",
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"%r[reg]" => "#{RED}#{BOLD}%r[#{CLEAR}#{RED}reg#{CLEAR}#{RED}#{BOLD}]#{CLEAR}",
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"%w[a b]" => "#{RED}#{BOLD}%w[#{CLEAR}#{RED}a#{CLEAR} #{RED}b#{CLEAR}#{RED}#{BOLD}]#{CLEAR}",
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"%W[a b]" => "#{RED}#{BOLD}%W[#{CLEAR}#{RED}a#{CLEAR} #{RED}b#{CLEAR}#{RED}#{BOLD}]#{CLEAR}",
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"%s[a b]" => "#{YELLOW}%s[#{CLEAR}#{YELLOW}a b#{CLEAR}#{YELLOW}]#{CLEAR}",
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"%i[c d]" => "#{YELLOW}%i[#{CLEAR}#{YELLOW}c#{CLEAR}#{YELLOW} #{CLEAR}#{YELLOW}d#{CLEAR}#{YELLOW}]#{CLEAR}",
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"%I[c d]" => "#{YELLOW}%I[#{CLEAR}#{YELLOW}c#{CLEAR}#{YELLOW} #{CLEAR}#{YELLOW}d#{CLEAR}#{YELLOW}]#{CLEAR}",
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"{'a': 1}" => "{#{RED}#{BOLD}'#{CLEAR}#{RED}a#{CLEAR}#{RED}#{BOLD}':#{CLEAR} #{BLUE}#{BOLD}1#{CLEAR}}",
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":Struct" => "#{YELLOW}:#{CLEAR}#{YELLOW}Struct#{CLEAR}",
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'"#{}"' => "#{RED}#{BOLD}\"#{CLEAR}#{RED}\#{#{CLEAR}#{RED}}#{CLEAR}#{RED}#{BOLD}\"#{CLEAR}",
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':"a#{}b"' => "#{YELLOW}:\"#{CLEAR}#{YELLOW}a#{CLEAR}#{YELLOW}\#{#{CLEAR}#{YELLOW}}#{CLEAR}#{YELLOW}b#{CLEAR}#{YELLOW}\"#{CLEAR}",
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':"a#{ def b; end; \'c\' + "#{ :d }" }e"' => "#{YELLOW}:\"#{CLEAR}#{YELLOW}a#{CLEAR}#{YELLOW}\#{#{CLEAR} #{GREEN}def#{CLEAR} #{BLUE}#{BOLD}b#{CLEAR}; #{GREEN}end#{CLEAR}; #{RED}#{BOLD}'#{CLEAR}#{RED}c#{CLEAR}#{RED}#{BOLD}'#{CLEAR} + #{RED}#{BOLD}\"#{CLEAR}#{RED}\#{#{CLEAR} #{YELLOW}:#{CLEAR}#{YELLOW}d#{CLEAR} #{RED}}#{CLEAR}#{RED}#{BOLD}\"#{CLEAR} #{YELLOW}}#{CLEAR}#{YELLOW}e#{CLEAR}#{YELLOW}\"#{CLEAR}",
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"[__FILE__, __LINE__]" => "[#{CYAN}#{BOLD}__FILE__#{CLEAR}, #{CYAN}#{BOLD}__LINE__#{CLEAR}]",
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":self" => "#{YELLOW}:#{CLEAR}#{YELLOW}self#{CLEAR}",
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":class" => "#{YELLOW}:#{CLEAR}#{YELLOW}class#{CLEAR}",
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"[:end, 2]" => "[#{YELLOW}:#{CLEAR}#{YELLOW}end#{CLEAR}, #{BLUE}#{BOLD}2#{CLEAR}]",
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"[:>, 3]" => "[#{YELLOW}:#{CLEAR}#{YELLOW}>#{CLEAR}, #{BLUE}#{BOLD}3#{CLEAR}]",
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":Hello ? world : nil" => "#{YELLOW}:#{CLEAR}#{YELLOW}Hello#{CLEAR} ? world : #{CYAN}#{BOLD}nil#{CLEAR}",
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'raise "foo#{bar}baz"' => "raise #{RED}#{BOLD}\"#{CLEAR}#{RED}foo#{CLEAR}#{RED}\#{#{CLEAR}bar#{RED}}#{CLEAR}#{RED}baz#{CLEAR}#{RED}#{BOLD}\"#{CLEAR}",
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'["#{obj.inspect}"]' => "[#{RED}#{BOLD}\"#{CLEAR}#{RED}\#{#{CLEAR}obj.inspect#{RED}}#{CLEAR}#{RED}#{BOLD}\"#{CLEAR}]",
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'URI.parse "#{}"' => "#{BLUE}#{BOLD}#{UNDERLINE}URI#{CLEAR}.parse #{RED}#{BOLD}\"#{CLEAR}#{RED}\#{#{CLEAR}#{RED}}#{CLEAR}#{RED}#{BOLD}\"#{CLEAR}",
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"begin\nrescue\nend" => "#{GREEN}begin#{CLEAR}\n#{GREEN}rescue#{CLEAR}\n#{GREEN}end#{CLEAR}",
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"foo %w[bar]" => "foo #{RED}#{BOLD}%w[#{CLEAR}#{RED}bar#{CLEAR}#{RED}#{BOLD}]#{CLEAR}",
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"foo %i[bar]" => "foo #{YELLOW}%i[#{CLEAR}#{YELLOW}bar#{CLEAR}#{YELLOW}]#{CLEAR}",
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"foo :@bar, baz, :@@qux, :$quux" => "foo #{YELLOW}:#{CLEAR}#{YELLOW}@bar#{CLEAR}, baz, #{YELLOW}:#{CLEAR}#{YELLOW}@@qux#{CLEAR}, #{YELLOW}:#{CLEAR}#{YELLOW}$quux#{CLEAR}",
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"`echo`" => "#{RED}#{BOLD}`#{CLEAR}#{RED}echo#{CLEAR}#{RED}#{BOLD}`#{CLEAR}",
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"\t" => "\t", # not ^I
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"foo(*%W(bar))" => "foo(*#{RED}#{BOLD}%W(#{CLEAR}#{RED}bar#{CLEAR}#{RED}#{BOLD})#{CLEAR})",
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"$stdout" => "#{GREEN}#{BOLD}$stdout#{CLEAR}",
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}
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# specific to Ruby 2.7+
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if Gem::Version.new(RUBY_VERSION) >= Gem::Version.new('2.7.0')
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tests.merge!({
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"4.5.6" => "#{MAGENTA}#{BOLD}4.5#{CLEAR}#{RED}#{REVERSE}.6#{CLEAR}",
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"\e[0m\n" => "#{RED}#{REVERSE}^[#{CLEAR}[#{BLUE}#{BOLD}0#{CLEAR}#{RED}#{REVERSE}m#{CLEAR}\n",
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"<<EOS\nhere\nEOS" => "#{RED}<<EOS#{CLEAR}\n#{RED}here#{CLEAR}\n#{RED}EOS#{CLEAR}",
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})
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end
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# specific to Ruby 3.0+
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if Gem::Version.new(RUBY_VERSION) >= Gem::Version.new('3.0.0')
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tests.merge!({
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"[1]]]\u0013" => "[#{BLUE}#{BOLD}1#{CLEAR}]#{RED}#{REVERSE}]#{CLEAR}#{RED}#{REVERSE}]#{CLEAR}#{RED}#{REVERSE}^S#{CLEAR}",
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})
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else
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tests.merge!({
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"[1]]]\u0013" => "[1]]]^S",
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})
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end
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tests.each do |code, result|
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if colorize_code_supported?
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actual = with_term { IRB::Color.colorize_code(code, complete: true) }
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assert_equal(result, actual, "Case: IRB::Color.colorize_code(#{code.dump}, complete: true)\nResult: #{humanized_literal(actual)}")
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actual = with_term { IRB::Color.colorize_code(code, complete: false) }
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assert_equal(result, actual, "Case: IRB::Color.colorize_code(#{code.dump}, complete: false)\nResult: #{humanized_literal(actual)}")
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else
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actual = with_term { IRB::Color.colorize_code(code) }
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assert_equal(code, actual)
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end
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end
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end
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def test_colorize_code_complete_true
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unless complete_option_supported?
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skip '`complete: true` is the same as `complete: false` in Ruby 2.6-'
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end
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# `complete: true` behaviors. Warn end-of-file.
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{
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"'foo' + 'bar" => "#{RED}#{BOLD}'#{CLEAR}#{RED}foo#{CLEAR}#{RED}#{BOLD}'#{CLEAR} + #{RED}#{BOLD}'#{CLEAR}#{RED}#{REVERSE}bar#{CLEAR}",
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"('foo" => "(#{RED}#{BOLD}'#{CLEAR}#{RED}#{REVERSE}foo#{CLEAR}",
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}.each do |code, result|
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actual = with_term { IRB::Color.colorize_code(code, complete: true) }
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assert_equal(result, actual, "Case: colorize_code(#{code.dump}, complete: true)\nResult: #{humanized_literal(actual)}")
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end
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end
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def test_colorize_code_complete_false
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# `complete: false` behaviors. Do not warn end-of-file.
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{
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"'foo' + 'bar" => "#{RED}#{BOLD}'#{CLEAR}#{RED}foo#{CLEAR}#{RED}#{BOLD}'#{CLEAR} + #{RED}#{BOLD}'#{CLEAR}#{RED}bar#{CLEAR}",
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"('foo" => "(#{RED}#{BOLD}'#{CLEAR}#{RED}foo#{CLEAR}",
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}.each do |code, result|
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if colorize_code_supported?
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actual = with_term { IRB::Color.colorize_code(code, complete: false) }
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assert_equal(result, actual, "Case: colorize_code(#{code.dump}, complete: false)\nResult: #{humanized_literal(actual)}")
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unless complete_option_supported?
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actual = with_term { IRB::Color.colorize_code(code, complete: true) }
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assert_equal(result, actual, "Case: colorize_code(#{code.dump}, complete: false)\nResult: #{humanized_literal(actual)}")
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end
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else
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actual = with_term { IRB::Color.colorize_code(code) }
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assert_equal(code, actual)
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end
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end
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end
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def test_inspect_colorable
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{
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1 => true,
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2.3 => true,
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['foo', :bar] => true,
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(a = []; a << a; a) => false,
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(h = {}; h[h] = h; h) => false,
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{ a: 4 } => true,
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/reg/ => true,
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(1..3) => true,
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Object.new => false,
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Struct => true,
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Test => true,
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Struct.new(:a) => false,
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Struct.new(:a).new(1) => false,
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}.each do |object, result|
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assert_equal(result, IRB::Color.inspect_colorable?(object), "Case: inspect_colorable?(#{object.inspect})")
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end
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end
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private
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# `#colorize_code` is supported only for Ruby 2.5+. It just returns the original code in 2.4-.
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def colorize_code_supported?
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Gem::Version.new(RUBY_VERSION) >= Gem::Version.new('2.5.0')
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end
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# `complete: true` is the same as `complete: false` in Ruby 2.6-
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def complete_option_supported?
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Gem::Version.new(RUBY_VERSION) >= Gem::Version.new('2.7.0')
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end
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def with_term
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stdout = $stdout
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io = StringIO.new
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def io.tty?; true; end
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$stdout = io
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env = ENV.to_h.dup
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ENV['TERM'] = 'xterm-256color'
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yield
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ensure
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$stdout = stdout
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ENV.replace(env) if env
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end
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def humanized_literal(str)
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str
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.gsub(CLEAR, '@@@{CLEAR}')
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.gsub(BOLD, '@@@{BOLD}')
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.gsub(UNDERLINE, '@@@{UNDERLINE}')
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.gsub(REVERSE, '@@@{REVERSE}')
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.gsub(RED, '@@@{RED}')
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.gsub(GREEN, '@@@{GREEN}')
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.gsub(YELLOW, '@@@{YELLOW}')
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.gsub(BLUE, '@@@{BLUE}')
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.gsub(MAGENTA, '@@@{MAGENTA}')
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.gsub(CYAN, '@@@{CYAN}')
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.dump.gsub(/@@@/, '#')
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end
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end
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end
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