1module Spec
2 module Rails
3 module Matchers
4
5 class RedirectTo #:nodoc:
6
7 def initialize(request, expected)
8 @expected = expected
9 @request = request
10 end
11
12 def matches?(response)
13 @redirected = response.redirect?
14 @actual = response.redirect_url
15 return false unless @redirected
16 if @expected.instance_of? Hash
17 return false unless @actual =~ %r{^\w+://#{@request.host}}
18 return false unless actual_redirect_to_valid_route
19 return actual_hash == expected_hash
20 else
21 return @actual == expected_url
22 end
23 end
24
25 def actual_hash
26 hash_from_url @actual
27 end
28
29 def expected_hash
30 hash_from_url expected_url
31 end
32
33 def actual_redirect_to_valid_route
34 actual_hash
35 end
36
37 def hash_from_url(url)
38 query_hash(url).merge(path_hash(url)).with_indifferent_access
39 end
40
41 def path_hash(url)
42 path = url.sub(%r{^\w+://#{@request.host}}, "").split("?", 2)[0]
43 ActionController::Routing::Routes.recognize_path path
44 end
45
46 def query_hash(url)
47 query = url.split("?", 2)[1] || ""
48 QueryParameterParser.parse_query_parameters(query, @request)
49 end
50
51 def expected_url
52 case @expected
53 when Hash
54 return ActionController::UrlRewriter.new(@request, {}).rewrite(@expected)
55 when :back
56 return @request.env['HTTP_REFERER']
57 when %r{^\w+://.*}
58 return @expected
59 else
60 return "http://#{@request.host}" + (@expected.split('')[0] == '/' ? '' : '/') + @expected
61 end
62 end
63
64 def failure_message
65 if @redirected
66 return %Q{expected redirect to #{@expected.inspect}, got redirect to #{@actual.inspect}}
67 else
68 return %Q{expected redirect to #{@expected.inspect}, got no redirect}
69 end
70 end
71
72 def negative_failure_message
73 return %Q{expected not to be redirected to #{@expected.inspect}, but was} if @redirected
74 end
75
76 def description
77 "redirect to #{@actual.inspect}"
78 end
79
80 class QueryParameterParser
81 def self.parse_query_parameters(query, request)
82 if defined?(CGIMethods)
83 CGIMethods.parse_query_parameters(query)
84 else
85 request.class.parse_query_parameters(query)
86 end
87 end
88 end
89 end
90
91 # :call-seq:
92 # response.should redirect_to(url)
93 # response.should redirect_to(:action => action_name)
94 # response.should redirect_to(:controller => controller_name, :action => action_name)
95 # response.should_not redirect_to(url)
96 # response.should_not redirect_to(:action => action_name)
97 # response.should_not redirect_to(:controller => controller_name, :action => action_name)
98 #
99 # Passes if the response is a redirect to the url, action or controller/action.
100 # Useful in controller specs (integration or isolation mode).
101 #
102 # == Examples
103 #
104 # response.should redirect_to("path/to/action")
105 # response.should redirect_to("http://test.host/path/to/action")
106 # response.should redirect_to(:action => 'list')
107 def redirect_to(opts)
108 RedirectTo.new(request, opts)
109 end
110 end
111
112 end
113end