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require "minitest/unit"
##
# Show your testing pride!
class PrideIO
# Start an escape sequence
ESC = "\e["
# End the escape sequence
NND = "#{ESC}0m"
# The IO we're going to pipe through.
attr_reader :io
def initialize io # :nodoc:
@io = io
# stolen from /System/Library/Perl/5.10.0/Term/ANSIColor.pm
# also reference http://en.wikipedia.org/wiki/ANSI_escape_code
@colors ||= (31..36).to_a
@size = @colors.size
@index = 0
# io.sync = true
end
##
# Wrap print to colorize the output.
def print o
case o
when "." then
io.print pride o
when "E", "F" then
io.print "#{ESC}41m#{ESC}37m#{o}#{NND}"
else
io.print o
end
end
def puts(*o) # :nodoc:
o.map! { |s|
s.sub(/Finished tests/) {
@index = 0
'Fabulous tests'.split(//).map { |c|
pride(c)
}.join
}
}
super
end
##
# Color a string.
def pride string
string = "*" if string == "."
c = @colors[@index % @size]
@index += 1
"#{ESC}#{c}m#{string}#{NND}"
end
def method_missing msg, *args # :nodoc:
io.send(msg, *args)
end
end
##
# If you thought the PrideIO was colorful...
#
# (Inspired by lolcat, but with clean math)
class PrideLOL < PrideIO
PI_3 = Math::PI / 3 # :nodoc:
def initialize io # :nodoc:
# walk red, green, and blue around a circle separated by equal thirds.
#
# To visualize, type this into wolfram-alpha:
#
# plot (3*sin(x)+3), (3*sin(x+2*pi/3)+3), (3*sin(x+4*pi/3)+3)
# 6 has wide pretty gradients. 3 == lolcat, about half the width
@colors = (0...(6 * 7)).map { |n|
n *= 1.0 / 6
r = (3 * Math.sin(n ) + 3).to_i
g = (3 * Math.sin(n + 2 * PI_3) + 3).to_i
b = (3 * Math.sin(n + 4 * PI_3) + 3).to_i
# Then we take rgb and encode them in a single number using base 6.
# For some mysterious reason, we add 16... to clear the bottom 4 bits?
# Yes... they're ugly.
36 * r + 6 * g + b + 16
}
super
end
##
# Make the string even more colorful. Damnit.
def pride string
c = @colors[@index % @size]
@index += 1
"#{ESC}38;5;#{c}m#{string}#{NND}"
end
end
klass = ENV['TERM'] =~ /^xterm|-256color$/ ? PrideLOL : PrideIO
MiniTest::Unit.output = klass.new(MiniTest::Unit.output)
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