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# frozen_string_literal: false
require 'test/unit'
require 'irb/color'
require 'rubygems'
require 'stringio'
module TestIRB
class TestColor < Test::Unit::TestCase
CLEAR = "\e[0m"
BOLD = "\e[1m"
UNDERLINE = "\e[4m"
REVERSE = "\e[7m"
RED = "\e[31m"
GREEN = "\e[32m"
YELLOW = "\e[33m"
BLUE = "\e[34m"
MAGENTA = "\e[35m"
CYAN = "\e[36m"
def test_colorize_code
if Gem::Version.new(RUBY_VERSION) < Gem::Version.new('2.5.0')
assert_equal({}, IRB::Color::TOKEN_SEQ_EXPRS)
skip "this Ripper version is not supported"
end
# Common behaviors. Warn parser error, but do not warn compile error.
{
"1" => "#{BLUE}#{BOLD}1#{CLEAR}",
"2.3" => "#{MAGENTA}#{BOLD}2.3#{CLEAR}",
"7r" => "#{BLUE}#{BOLD}7r#{CLEAR}",
"8i" => "#{BLUE}#{BOLD}8i#{CLEAR}",
"['foo', :bar]" => "[#{RED}'#{CLEAR}#{RED}foo#{CLEAR}#{RED}'#{CLEAR}, #{YELLOW}:#{CLEAR}#{YELLOW}bar#{CLEAR}]",
"class A; end" => "#{GREEN}class#{CLEAR} #{BLUE}#{BOLD}#{UNDERLINE}A#{CLEAR}; #{GREEN}end#{CLEAR}",
"def self.foo; bar; end" => "#{GREEN}def#{CLEAR} #{CYAN}#{BOLD}self#{CLEAR}.#{BLUE}#{BOLD}foo#{CLEAR}; bar; #{GREEN}end#{CLEAR}",
'erb = ERB.new("a#{nil}b", trim_mode: "-")' => "erb = #{BLUE}#{BOLD}#{UNDERLINE}ERB#{CLEAR}.new(#{RED}\"#{CLEAR}#{RED}a#{CLEAR}#{RED}\#{#{CLEAR}#{CYAN}#{BOLD}nil#{CLEAR}#{RED}}#{CLEAR}#{RED}b#{CLEAR}#{RED}\"#{CLEAR}, #{MAGENTA}trim_mode:#{CLEAR} #{RED}\"#{CLEAR}#{RED}-#{CLEAR}#{RED}\"#{CLEAR})",
"# comment" => "#{BLUE}#{BOLD}# comment#{CLEAR}",
"yield(hello)" => "#{GREEN}yield#{CLEAR}(hello)",
'"##@var]"' => "#{RED}\"#{CLEAR}#{RED}##{CLEAR}#{RED}##{CLEAR}@var#{RED}]#{CLEAR}#{RED}\"#{CLEAR}",
'"foo#{a} #{b}"' => "#{RED}\"#{CLEAR}#{RED}foo#{CLEAR}#{RED}\#{#{CLEAR}a#{RED}}#{CLEAR}#{RED} #{CLEAR}#{RED}\#{#{CLEAR}b#{RED}}#{CLEAR}#{RED}\"#{CLEAR}",
'/r#{e}g/' => "#{RED}#{BOLD}/#{CLEAR}#{RED}r#{CLEAR}#{RED}\#{#{CLEAR}e#{RED}}#{CLEAR}#{RED}g#{CLEAR}#{RED}#{BOLD}/#{CLEAR}",
"'a\nb'" => "#{RED}'#{CLEAR}#{RED}a#{CLEAR}\n#{RED}b#{CLEAR}#{RED}'#{CLEAR}",
"4.5.6" => "#{MAGENTA}#{BOLD}4.5#{CLEAR}#{RED}#{REVERSE}.6#{CLEAR}",
"[1]]]" => "[1]]]",
"\e[0m\n" => "#{RED}#{REVERSE}^[#{CLEAR}[#{BLUE}#{BOLD}0#{CLEAR}m\n",
"%w[a b]" => "#{RED}%w[#{CLEAR}#{RED}a#{CLEAR} #{RED}b#{CLEAR}#{RED}]#{CLEAR}",
"%i[c d]" => "#{RED}%i[#{CLEAR}#{RED}c#{CLEAR} #{RED}d#{CLEAR}#{RED}]#{CLEAR}",
"{'a': 1}" => "{#{RED}'#{CLEAR}#{RED}a#{CLEAR}#{RED}':#{CLEAR} #{BLUE}#{BOLD}1#{CLEAR}}",
":Struct" => "#{YELLOW}:#{CLEAR}#{YELLOW}Struct#{CLEAR}",
"<<EOS\nhere\nEOS" => "#{RED}<<EOS#{CLEAR}\n#{RED}here#{CLEAR}\n#{RED}EOS#{CLEAR}",
'"#{}"' => "#{RED}\"#{CLEAR}#{RED}\#{#{CLEAR}#{RED}}#{CLEAR}#{RED}\"#{CLEAR}",
':"a#{}b"' => "#{YELLOW}:\"#{CLEAR}#{YELLOW}a#{CLEAR}#{YELLOW}\#{#{CLEAR}#{YELLOW}}#{CLEAR}#{YELLOW}b#{CLEAR}#{YELLOW}\"#{CLEAR}",
':"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}'#{CLEAR}#{RED}c#{CLEAR}#{RED}'#{CLEAR} + #{RED}\"#{CLEAR}#{RED}\#{#{CLEAR} #{YELLOW}:#{CLEAR}#{YELLOW}d#{CLEAR} #{RED}}#{CLEAR}#{RED}\"#{CLEAR} #{YELLOW}}#{CLEAR}#{YELLOW}e#{CLEAR}#{YELLOW}\"#{CLEAR}",
"[__FILE__, __LINE__]" => "[#{CYAN}#{BOLD}__FILE__#{CLEAR}, #{CYAN}#{BOLD}__LINE__#{CLEAR}]",
":self" => "#{YELLOW}:#{CLEAR}#{YELLOW}self#{CLEAR}",
":class" => "#{YELLOW}:#{CLEAR}#{YELLOW}class#{CLEAR}",
":@1" => "#{YELLOW}:#{CLEAR}#{RED}#{REVERSE}@1#{CLEAR}",
"@@1" => "#{RED}#{REVERSE}@@1#{CLEAR}",
"[:end, 2]" => "[#{YELLOW}:#{CLEAR}#{YELLOW}end#{CLEAR}, #{BLUE}#{BOLD}2#{CLEAR}]",
"[:>, 3]" => "[#{YELLOW}:#{CLEAR}#{YELLOW}>#{CLEAR}, #{BLUE}#{BOLD}3#{CLEAR}]",
":Hello ? world : nil" => "#{YELLOW}:#{CLEAR}#{YELLOW}Hello#{CLEAR} ? world : #{CYAN}#{BOLD}nil#{CLEAR}",
'raise "foo#{bar}baz"' => "raise #{RED}\"#{CLEAR}#{RED}foo#{CLEAR}#{RED}\#{#{CLEAR}bar#{RED}}#{CLEAR}#{RED}baz#{CLEAR}#{RED}\"#{CLEAR}",
'["#{obj.inspect}"]' => "[#{RED}\"#{CLEAR}#{RED}\#{#{CLEAR}obj.inspect#{RED}}#{CLEAR}#{RED}\"#{CLEAR}]",
'URI.parse "#{}"' => "#{BLUE}#{BOLD}#{UNDERLINE}URI#{CLEAR}.parse #{RED}\"#{CLEAR}#{RED}\#{#{CLEAR}#{RED}}#{CLEAR}#{RED}\"#{CLEAR}",
"begin\nrescue\nend" => "#{GREEN}begin#{CLEAR}\n#{GREEN}rescue#{CLEAR}\n#{GREEN}end#{CLEAR}",
"foo %w[bar]" => "foo #{RED}%w[#{CLEAR}#{RED}bar#{CLEAR}#{RED}]#{CLEAR}",
"foo %i[bar]" => "foo #{RED}%i[#{CLEAR}#{RED}bar#{CLEAR}#{RED}]#{CLEAR}",
"foo :@bar, baz, :@@qux, :$quux" => "foo #{YELLOW}:#{CLEAR}#{YELLOW}@bar#{CLEAR}, baz, #{YELLOW}:#{CLEAR}#{YELLOW}@@qux#{CLEAR}, #{YELLOW}:#{CLEAR}#{YELLOW}$quux#{CLEAR}",
"`echo`" => "#{RED}`#{CLEAR}#{RED}echo#{CLEAR}#{RED}`#{CLEAR}",
"\t" => "\t", # not ^I
"foo(*%W(bar))" => "foo(*#{RED}%W(#{CLEAR}#{RED}bar#{CLEAR}#{RED})#{CLEAR})",
"$stdout" => "#{GREEN}#{BOLD}$stdout#{CLEAR}",
}.each do |code, result|
actual = with_term { IRB::Color.colorize_code(code, complete: true) }
assert_equal(result, actual, "Case: colorize_code(#{code.dump}, complete: true)\nResult: #{humanized_literal(actual)}")
actual = with_term { IRB::Color.colorize_code(code, complete: false) }
assert_equal(result, actual, "Case: colorize_code(#{code.dump}, complete: false)\nResult: #{humanized_literal(actual)}")
end
end
def test_colorize_code_complete_true
# `complete: true` behaviors. Warn end-of-file.
{
"'foo' + 'bar" => "#{RED}'#{CLEAR}#{RED}foo#{CLEAR}#{RED}'#{CLEAR} + #{RED}'#{CLEAR}#{RED}#{REVERSE}bar#{CLEAR}",
}.each do |code, result|
actual = with_term { IRB::Color.colorize_code(code, complete: true) }
assert_equal(result, actual, "Case: colorize_code(#{code.dump}, complete: true)\nResult: #{humanized_literal(actual)}")
end
end
def test_colorize_code_complete_false
# `complete: false` behaviors. Do not warn end-of-file
{
"'foo' + 'bar" => "#{RED}'#{CLEAR}#{RED}foo#{CLEAR}#{RED}'#{CLEAR} + #{RED}'#{CLEAR}#{RED}bar#{CLEAR}",
}.each do |code, result|
actual = with_term { IRB::Color.colorize_code(code, complete: false) }
assert_equal(result, actual, "Case: colorize_code(#{code.dump}, complete: false)\nResult: #{humanized_literal(actual)}")
end
end
def test_inspect_colorable
{
1 => true,
2.3 => true,
['foo', :bar] => true,
{ a: 4 } => true,
/reg/ => true,
(1..3) => true,
Object.new => false,
Struct => true,
Test => true,
Struct.new(:a) => false,
Struct.new(:a).new(1) => false,
}.each do |object, result|
assert_equal(result, IRB::Color.inspect_colorable?(object), "Case: inspect_colorable?(#{object.inspect})")
end
end
private
def with_term
stdout = $stdout
io = StringIO.new
def io.tty?; true; end
$stdout = io
env = ENV.to_h.dup
ENV['TERM'] = 'xterm-256color'
yield
ensure
$stdout = stdout
ENV.replace(env) if env
end
def humanized_literal(str)
str
.gsub(CLEAR, '@@@{CLEAR}')
.gsub(BOLD, '@@@{BOLD}')
.gsub(UNDERLINE, '@@@{UNDERLINE}')
.gsub(REVERSE, '@@@{REVERSE}')
.gsub(RED, '@@@{RED}')
.gsub(GREEN, '@@@{GREEN}')
.gsub(YELLOW, '@@@{YELLOW}')
.gsub(BLUE, '@@@{BLUE}')
.gsub(MAGENTA, '@@@{MAGENTA}')
.gsub(CYAN, '@@@{CYAN}')
.dump.gsub(/@@@/, '#')
end
end
end
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