aboutsummaryrefslogtreecommitdiffstats
path: root/actionview/test/template/test_case_test.rb
blob: 80fbaa8392f6f00b92c272befd0cfc42fbfc4b54 (plain) (blame)
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
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
require 'abstract_unit'
require 'rails/engine'

module ActionView

  module ATestHelper
  end

  module AnotherTestHelper
    def from_another_helper
      'Howdy!'
    end
  end

  module ASharedTestHelper
    def from_shared_helper
      'Holla!'
    end
  end

  class TestCase
    helper ASharedTestHelper

    module SharedTests
      def self.included(test_case)
        test_case.class_eval do
          test "helpers defined on ActionView::TestCase are available" do
            assert test_case.ancestors.include?(ASharedTestHelper)
            assert_equal 'Holla!', from_shared_helper
          end
        end
      end
    end
  end

  class GeneralViewTest < ActionView::TestCase
    include SharedTests
    test_case = self

    test "memoizes the view" do
      assert_same view, view
    end

    test "exposes view as _view for backwards compatibility" do
      assert_same _view, view
    end

    test "retrieve non existing config values" do
      assert_equal nil, ActionView::Base.new.config.something_odd
    end

    test "works without testing a helper module" do
      assert_equal 'Eloy', render('developers/developer', :developer => stub(:name => 'Eloy'))
    end

    test "can render a layout with block" do
      assert_equal "Before (ChrisCruft)\n!\nAfter",
                    render(:layout => "test/layout_for_partial", :locals => {:name => "ChrisCruft"}) {"!"}
    end

    helper AnotherTestHelper
    test "additional helper classes can be specified as in a controller" do
      assert test_case.ancestors.include?(AnotherTestHelper)
      assert_equal 'Howdy!', from_another_helper
    end

    test "determine_default_helper_class returns nil if the test name constant resolves to a class" do
      assert_nil self.class.determine_default_helper_class("String")
    end

    test "delegates notice to request.flash[:notice]" do
      view.request.flash.expects(:[]).with(:notice)
      view.notice
    end

    test "delegates alert to request.flash[:alert]" do
      view.request.flash.expects(:[]).with(:alert)
      view.alert
    end

    test "uses controller lookup context" do
      assert_equal self.lookup_context, @controller.lookup_context
    end
  end

  class ClassMethodsTest < ActionView::TestCase
    include SharedTests
    test_case = self

    tests ATestHelper
    test "tests the specified helper module" do
      assert_equal ATestHelper, test_case.helper_class
      assert test_case.ancestors.include?(ATestHelper)
    end

    helper AnotherTestHelper
    test "additional helper classes can be specified as in a controller" do
      assert test_case.ancestors.include?(AnotherTestHelper)
      assert_equal 'Howdy!', from_another_helper

      test_case.helper_class.module_eval do
        def render_from_helper
          from_another_helper
        end
      end
      assert_equal 'Howdy!', render(:partial => 'test/from_helper')
    end
  end

  class HelperInclusionTest < ActionView::TestCase
    module RenderHelper
      def render_from_helper
        render :partial => 'customer', :collection => @customers
      end
    end

    helper RenderHelper

    test "helper class that is being tested is always included in view instance" do
      @controller.controller_path = 'test'

      @customers = [stub(:name => 'Eloy'), stub(:name => 'Manfred')]
      assert_match(/Hello: EloyHello: Manfred/, render(:partial => 'test/from_helper'))
    end
  end

  class ControllerHelperMethod < ActionView::TestCase
    module SomeHelper
      def some_method
        render :partial => 'test/from_helper'
      end
    end

    helper SomeHelper

    test "can call a helper method defined on the current controller from a helper" do
      @controller.singleton_class.class_eval <<-EOF, __FILE__, __LINE__ + 1
        def render_from_helper
          'controller_helper_method'
        end
      EOF
      @controller.class.helper_method :render_from_helper

      assert_equal 'controller_helper_method', some_method
    end
  end

  class ViewAssignsTest < ActionView::TestCase
    test "view_assigns returns a Hash of user defined ivars" do
      @a = 'b'
      @c = 'd'
      assert_equal({:a => 'b', :c => 'd'}, view_assigns)
    end

    test "view_assigns excludes internal ivars" do
      INTERNAL_IVARS.each do |ivar|
        assert defined?(ivar), "expected #{ivar} to be defined"
        assert !view_assigns.keys.include?(ivar.to_s.tr('@', '').to_sym), "expected #{ivar} to be excluded from view_assigns"
      end
    end
  end

  class HelperExposureTest < ActionView::TestCase
    helper(Module.new do
      def render_from_helper
        from_test_case
      end
    end)
    test "is able to make methods available to the view" do
      assert_equal 'Word!', render(:partial => 'test/from_helper')
    end

    def from_test_case; 'Word!'; end
    helper_method :from_test_case
  end

  class IgnoreProtectAgainstForgeryTest < ActionView::TestCase
    module HelperThatInvokesProtectAgainstForgery
      def help_me
        protect_against_forgery?
      end
    end

    helper HelperThatInvokesProtectAgainstForgery

    test "protect_from_forgery? in any helpers returns false" do
      assert !view.help_me
    end

  end

  class ATestHelperTest < ActionView::TestCase
    include SharedTests
    test_case = self

    test "inflects the name of the helper module to test from the test case class" do
      assert_equal ATestHelper, test_case.helper_class
      assert test_case.ancestors.include?(ATestHelper)
    end

    test "a configured test controller is available" do
      assert_kind_of ActionController::Base, controller
      assert_equal '', controller.controller_path
    end

    test "no additional helpers should shared across test cases" do
      assert !test_case.ancestors.include?(AnotherTestHelper)
      assert_raise(NoMethodError) { send :from_another_helper }
    end

    test "is able to use routes" do
      controller.request.assign_parameters(@routes, 'foo', 'index', {}, '/foo', [])
      assert_equal '/foo', url_for
      assert_equal '/bar', url_for(:controller => 'bar')
    end

    test "is able to use named routes" do
      with_routing do |set|
        set.draw { resources :contents }
        assert_equal 'http://test.host/contents/new', new_content_url
        assert_equal 'http://test.host/contents/1',   content_url(:id => 1)
      end
    end

    test "is able to use mounted routes" do
      with_routing do |set|
        app = Class.new(Rails::Engine) do
          def self.routes
            @routes ||= ActionDispatch::Routing::RouteSet.new
          end

          routes.draw { get "bar", :to => lambda {} }

          def self.call(*)
          end
        end

        set.draw { mount app => "/foo", :as => "foo_app" }

        assert_equal '/foo/bar', foo_app.bar_path
      end
    end

    test "named routes can be used from helper included in view" do
      with_routing do |set|
        set.draw { resources :contents }
        _helpers.module_eval do
          def render_from_helper
            new_content_url
          end
        end

        assert_equal 'http://test.host/contents/new', render(:partial => 'test/from_helper')
      end
    end

    test "is able to render partials with local variables" do
      assert_equal 'Eloy', render('developers/developer', :developer => stub(:name => 'Eloy'))
      assert_equal 'Eloy', render(:partial => 'developers/developer',
                                  :locals => { :developer => stub(:name => 'Eloy') })
    end

    test "is able to render partials from templates and also use instance variables" do
      @controller.controller_path = "test"

      @customers = [stub(:name => 'Eloy'), stub(:name => 'Manfred')]
      assert_match(/Hello: EloyHello: Manfred/, render(:file => 'test/list'))
    end

    test "is able to render partials from templates and also use instance variables after view has been referenced" do
      @controller.controller_path = "test"

      view

      @customers = [stub(:name => 'Eloy'), stub(:name => 'Manfred')]
      assert_match(/Hello: EloyHello: Manfred/, render(:file => 'test/list'))
    end

  end

  class AssertionsTest < ActionView::TestCase
    def render_from_helper
      form_tag('/foo') do
        safe_concat render(:text => '<ul><li>foo</li></ul>')
      end
    end
    helper_method :render_from_helper

    test "uses the output_buffer for assert_select" do
      render(:partial => 'test/from_helper')

      assert_select 'form' do
        assert_select 'li', :text => 'foo'
      end
    end

    test "do not memoize the document_root_element in view tests" do
      concat form_tag('/foo')

      assert_select 'form'

      concat content_tag(:b, 'Strong', class: 'foo')

      assert_select 'form'
      assert_select 'b.foo'
    end
  end

  module AHelperWithInitialize
    def initialize(*)
      super
      @called_initialize = true
    end
  end

  class AHelperWithInitializeTest < ActionView::TestCase
    test "the helper's initialize was actually called" do
      assert @called_initialize
    end
  end
end