File: should.rb

package info (click to toggle)
ruby-ae 1.8.2-2
  • links: PTS, VCS
  • area: main
  • in suites: bookworm, bullseye, forky, sid, trixie
  • size: 208 kB
  • sloc: ruby: 936; makefile: 2
file content (59 lines) | stat: -rw-r--r-- 1,410 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
require 'ae/subjunctive'

module AE

  # Should
  #
  #   "Always and never are two words you should always
  #    remember never to use."
  #                              --Wendell Johnson
  #
  # @note THIS IS AN OPTIONAL LIBRARY.
  module Should
    # Make an assertion in subjunctive tense.
    #
    #   4.should == 3  #=> Assertion Error
    #
    #   4.should do
    #     self == 4
    #   end
    #
    # @return [Assertor] Assertion functor.
    def should(*args, &block)
      Assertor.new(self, :backtrace=>caller).be(*args, &block)
    end

    # Same as 'object.should == other'.
    #
    # @return [Assertor] Assertion functor.
    def should=(cmp)
      Assertor.new(self, :backtrace=>caller).assert == cmp
    end

    # Designate a negated expectation via a *functor*.
    # Read this as "should not".
    #
    #   4.should! = 4  #=> Assertion Error
    #
    # @return [Assertor] Assertion functor.
    def should!(*args, &block)
      Assertor.new(self, :backtrace=>caller).not.be(*args, &block)
    end

    # NOTE: It would be nice if their were a single term that
    # meant the opposite of should, rather than a two word compound.

    # Alias for #should! method.
    alias_method :should_not, :should!

    # Alias for #should! method.
    alias_method :shouldnt, :should!
  end

end

class ::Object #:nodoc:
  include AE::Should
end

# Copyright (c) 2008 Thomas Sawyer, Rubyworks