-
-
Notifications
You must be signed in to change notification settings - Fork 912
/
redirect_to_matcher.rb
98 lines (89 loc) · 2.66 KB
/
redirect_to_matcher.rb
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
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
module Shoulda
module Matchers
module ActionController
# The `redirect_to` matcher tests that an action redirects to a certain
# location. In a test suite using RSpec, it is very similar to
# rspec-rails's `redirect_to` matcher. In a test suite using Minitest +
# Shoulda, it provides a more expressive syntax over
# `assert_redirected_to`.
#
# class PostsController < ApplicationController
# def show
# redirect_to :index
# end
# end
#
# # RSpec
# RSpec.describe PostsController, type: :controller do
# describe 'GET #show' do
# before { get :show }
#
# it { should redirect_to(posts_path) }
# it { should redirect_to(action: :index) }
# end
# end
#
# # Minitest (Shoulda)
# class PostsControllerTest < ActionController::TestCase
# context 'GET #show' do
# setup { get :show }
#
# should redirect_to('/posts') { posts_path }
# should redirect_to(action: :index)
# end
# end
#
# @return [RedirectToMatcher]
#
def redirect_to(url_or_description, &block)
RedirectToMatcher.new(url_or_description, self, &block)
end
# @private
class RedirectToMatcher
attr_reader :failure_message, :failure_message_when_negated
def initialize(url_or_description, context, &block)
@url_block = nil
@url = nil
@context = context
@failure_message = nil
@failure_message_when_negated = nil
if block
@url_block = block
@location = url_or_description
else
@location = @url = url_or_description
end
end
def in_context(context)
@context = context
self
end
def matches?(controller)
@controller = controller
redirects_to_url?
end
def description
"redirect to #{@location.inspect}"
end
private
def redirects_to_url?
begin
@context.__send__(:assert_redirected_to, url)
@failure_message_when_negated = "Didn't expect to redirect to #{url}"
true
rescue Shoulda::Matchers.assertion_exception_class => error
@failure_message = error.message
false
end
end
def url
if @url_block
@context.instance_eval(&@url_block)
else
@url
end
end
end
end
end
end