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Contents
module RSpec
module Core
module Formatters
# ConsoleCodes provides helpers for formatting console output
# with ANSI codes, e.g. color's and bold.
module ConsoleCodes
# @private
VT100_CODES =
{
:black => 30,
:red => 31,
:green => 32,
:yellow => 33,
:blue => 34,
:magenta => 35,
:cyan => 36,
:white => 37,
:bold => 1,
}
# @private
VT100_CODE_VALUES = VT100_CODES.invert
module_function
# Fetches the correct code for the supplied symbol, or checks
# that a code is valid. Defaults to white (37).
#
# @param code_or_symbol [Symbol, Fixnum] Symbol or code to check
# @return [Fixnum] a console code
def console_code_for(code_or_symbol)
if RSpec.configuration.respond_to?(:"#{code_or_symbol}_color")
console_code_for configuration_color(code_or_symbol)
elsif VT100_CODE_VALUES.key?(code_or_symbol)
code_or_symbol
else
VT100_CODES.fetch(code_or_symbol) do
console_code_for(:white)
end
end
end
# Wraps a piece of text in ANSI codes with the supplied code. Will
# only apply the control code if `RSpec.configuration.color_enabled?`
# returns true.
#
# @param text [String] the text to wrap
# @param code_or_symbol [Symbol, Fixnum] the desired control code
# @return [String] the wrapped text
def wrap(text, code_or_symbol)
if RSpec.configuration.color_enabled?
"\e[#{console_code_for(code_or_symbol)}m#{text}\e[0m"
else
text
end
end
# @private
def configuration_color(code)
RSpec.configuration.__send__(:"#{code}_color")
end
end
end
end
end
Version data entries
34 entries across 31 versions & 8 rubygems