File: start_and_end_with.rb

package info (click to toggle)
ruby-rspec-expectations 2.14.2-1~bpo70%2B1
  • links: PTS, VCS
  • area: main
  • in suites: wheezy-backports
  • size: 920 kB
  • sloc: ruby: 8,202; makefile: 4
file content (48 lines) | stat: -rw-r--r-- 1,560 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
module RSpec
  module Matchers
    module BuiltIn
      class StartAndEndWith < BaseMatcher
        def initialize(*expected)
          @expected = expected.length == 1 ? expected.first : expected
        end

        def matches?(actual)
          @actual = actual.respond_to?(:[]) ? actual : (raise ArgumentError.new("#{actual.inspect} does not respond to :[]"))
          begin
            @expected.respond_to?(:length) ? subset_matches?(@expected, @actual) : element_matches?(@expected, @actual)
          rescue ArgumentError
            raise ArgumentError.new("#{actual.inspect} does not have ordered elements")
          end
        end

        def failure_message_for_should
          "expected #{@actual.inspect} to #{self.class.name.split('::').last.sub(/With/,'').downcase} with #{@expected.inspect}"
        end

        def failure_message_for_should_not
          "expected #{@actual.inspect} not to #{self.class.name.split('::').last.sub(/With/,'').downcase} with #{@expected.inspect}"
        end
      end

      class StartWith < StartAndEndWith
        def subset_matches?(expected, actual)
          actual[0, expected.length] == expected
        end

        def element_matches?(expected, actual)
          @actual[0] == @expected
        end
      end

      class EndWith < StartAndEndWith
        def subset_matches?(expected, actual)
          actual[-expected.length, expected.length] == expected
        end

        def element_matches?(expected, actual)
          actual[-1] == expected
        end
      end
    end
  end
end