spec/spec_helper.rb

   1 require 'spec'
   2
   3 class WrongColor < Exception
   4     def initialize(pixel)
   5         @pixel = pixel
   6     end
   7     def to_s
   8         "Wrong color at #{@pixel}"
   9     end
  10 end
  11 class AreaError < Exception
  12     def initialize(area,problem)
  13         @area,@problem = area,problem
  14     end
  15     def to_s
  16         "Area at #{@area} #{@problem}"
  17     end
  18 end
  19 class PixelError < Exception
  20     def initialize(p1, relation,p2)
  21         @p1,@p2,@relation = p1,p2,relation
  22     end
  23     def to_s
  24         "Pixel #{@p1} #{@relation} #{@p2}"
  25     end
  26 end
  27
  28 class Area
  29     def initialize(x1,y1,x2,y2)
  30         @x1,@y1,@x2,@y2 = x1,y1,x2,y2
  31     end
  32     def should_be_plain_colored
  33         raise AreaError.new(self,"is not plain colored")
  34     end
  35     def should_not_be_plain_colored
  36         raise AreaError.new(self,"is plain colored")
  37     end
  38     def to_s
  39         "(#{@x1},#{@y1},#{@x2},#{@y2})"
  40     end
  41 end
  42 class Pixel
  43     def initialize(x,y)
  44         @x = x
  45         @y = y
  46     end
  47     def should_be_of_color(color)
  48         raise WrongColor.new(self)
  49     end
  50     def should_be_brighter_than(pixel)
  51         raise PixelError.new(self,"is not brighter than",pixel)
  52     end
  53     def should_be_less_bright_than(pixel)
  54         raise PixelError.new(self,"is brighter than",pixel)
  55     end
  56     def should_be_the_same_as(pixel)
  57         raise PixelError.new(self,"is not the same as",pixel)
  58     end
  59     def to_s
  60         "(#{@x},#{@y})"
  61     end
  62 end
  63 class DocFile
  64     def initialize(filename, options)
  65         @filename = filename
  66         @page = (options[:page] or 1)
  67     end
  68     def area_at(x1,y1,x2,y2)
  69         return Area.new(x1,y1,x2,y2)
  70     end
  71     def width
  72         return 300
  73     end
  74     def height
  75         return 200
  76     end
  77     def pixel_at(x,y)
  78         return Pixel.new(x,y)
  79     end
  80 end
  81
  82 module Spec
  83     module Example
  84         module ExampleMethods
  85            def area_at(x1,y1,x2,y2)
  86                @file.area_at(x1,y1,x2,y2)
  87            end
  88            def width
  89                @file.width
  90            end
  91            def height
  92                @file.height
  93            end
  94            def pixel_at(x,y)
  95                @file.pixel_at(x,y)
  96            end
  97            def initialize(proxy,&impl)
  98                @_proxy = proxy
  99                @_implementation = impl
 100                @_backtrace = caller
 101                @file = DocFile.new(proxy.description, proxy.options)
 102            end
 103         end
 104         module ExampleGroupMethods
 105             alias :convert_file :example
 106             def page(nr)
 107                 nr
 108             end
 109         end
 110     end
 111 end
 112
 113