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
|
# frozen_string_literal: true
require "abstract_unit"
require "active_support/log_subscriber/test_helper"
require "action_view/log_subscriber"
require "controller/fake_models"
class AVLogSubscriberTest < ActiveSupport::TestCase
include ActiveSupport::LogSubscriber::TestHelper
def setup
super
ActionView::LookupContext::DetailsKey.clear
view_paths = ActionController::Base.view_paths
lookup_context = ActionView::LookupContext.new(view_paths, {}, ["test"])
@view = ActionView::Base.with_empty_template_cache.new(lookup_context, {})
ActionView::LogSubscriber.attach_to :action_view
unless Rails.respond_to?(:root)
@defined_root = true
def Rails.root; :defined_root; end # Minitest `stub` expects the method to be defined.
end
end
def teardown
super
ActiveSupport::LogSubscriber.log_subscribers.clear
# We need to undef `root`, RenderTestCases don't want this to be defined
Rails.instance_eval { undef :root } if defined?(@defined_root)
end
def set_logger(logger)
ActionView::Base.logger = logger
end
def set_cache_controller
controller = ActionController::Base.new
controller.perform_caching = true
controller.cache_store = ActiveSupport::Cache::MemoryStore.new
@view.controller = controller
end
def set_view_cache_dependencies
def @view.view_cache_dependencies; []; end
def @view.combined_fragment_cache_key(*); "ahoy `controller` dependency"; end
end
def test_render_file_template
Rails.stub(:root, File.expand_path(FIXTURE_LOAD_PATH)) do
@view.render(file: "test/hello_world")
wait
assert_equal 2, @logger.logged(:info).size
assert_match(/Rendering test\/hello_world\.erb/, @logger.logged(:info).first)
assert_match(/Rendered test\/hello_world\.erb/, @logger.logged(:info).last)
end
end
def test_render_text_template
Rails.stub(:root, File.expand_path(FIXTURE_LOAD_PATH)) do
@view.render(plain: "TEXT")
wait
assert_equal 2, @logger.logged(:info).size
assert_match(/Rendering text template/, @logger.logged(:info).first)
assert_match(/Rendered text template/, @logger.logged(:info).last)
end
end
def test_render_inline_template
Rails.stub(:root, File.expand_path(FIXTURE_LOAD_PATH)) do
@view.render(inline: "<%= 'TEXT' %>")
wait
assert_equal 2, @logger.logged(:info).size
assert_match(/Rendering inline template/, @logger.logged(:info).first)
assert_match(/Rendered inline template/, @logger.logged(:info).last)
end
end
def test_render_partial_with_implicit_path
Rails.stub(:root, File.expand_path(FIXTURE_LOAD_PATH)) do
@view.render(Customer.new("david"), greeting: "hi")
wait
assert_equal 1, @logger.logged(:info).size
assert_match(/Rendered customers\/_customer\.html\.erb/, @logger.logged(:info).last)
end
end
def test_render_partial_with_cache_missed
Rails.stub(:root, File.expand_path(FIXTURE_LOAD_PATH)) do
set_view_cache_dependencies
set_cache_controller
@view.render(partial: "test/cached_customer", locals: { cached_customer: Customer.new("david") })
wait
assert_equal 1, @logger.logged(:info).size
assert_match(/Rendered test\/_cached_customer\.erb (.*) \[cache miss\]/, @logger.logged(:info).last)
end
end
def test_render_partial_with_cache_hitted
Rails.stub(:root, File.expand_path(FIXTURE_LOAD_PATH)) do
set_view_cache_dependencies
set_cache_controller
# Second render should hit cache.
@view.render(partial: "test/cached_customer", locals: { cached_customer: Customer.new("david") })
@view.render(partial: "test/cached_customer", locals: { cached_customer: Customer.new("david") })
wait
assert_equal 2, @logger.logged(:info).size
assert_match(/Rendered test\/_cached_customer\.erb (.*) \[cache hit\]/, @logger.logged(:info).last)
end
end
def test_render_uncached_outer_partial_with_inner_cached_partial_wont_mix_cache_hits_or_misses
Rails.stub(:root, File.expand_path(FIXTURE_LOAD_PATH)) do
set_view_cache_dependencies
set_cache_controller
@view.render(partial: "test/nested_cached_customer", locals: { cached_customer: Customer.new("Stan") })
wait
*, cached_inner, uncached_outer = @logger.logged(:info)
assert_match(/Rendered test\/_cached_customer\.erb (.*) \[cache miss\]/, cached_inner)
assert_match(/Rendered test\/_nested_cached_customer\.erb \(Duration: .*?ms \| Allocations: .*?\)$/, uncached_outer)
# Second render hits the cache for the _cached_customer partial. Outer template's log shouldn't be affected.
@view.render(partial: "test/nested_cached_customer", locals: { cached_customer: Customer.new("Stan") })
wait
*, cached_inner, uncached_outer = @logger.logged(:info)
assert_match(/Rendered test\/_cached_customer\.erb (.*) \[cache hit\]/, cached_inner)
assert_match(/Rendered test\/_nested_cached_customer\.erb \(Duration: .*?ms \| Allocations: .*?\)$/, uncached_outer)
end
end
def test_render_cached_outer_partial_with_cached_inner_partial
Rails.stub(:root, File.expand_path(FIXTURE_LOAD_PATH)) do
set_view_cache_dependencies
set_cache_controller
@view.render(partial: "test/cached_nested_cached_customer", locals: { cached_customer: Customer.new("Stan") })
wait
*, cached_inner, cached_outer = @logger.logged(:info)
assert_match(/Rendered test\/_cached_customer\.erb (.*) \[cache miss\]/, cached_inner)
assert_match(/Rendered test\/_cached_nested_cached_customer\.erb (.*) \[cache miss\]/, cached_outer)
# One render: inner partial skipped, because the outer has been cached.
assert_difference -> { @logger.logged(:info).size }, +1 do
@view.render(partial: "test/cached_nested_cached_customer", locals: { cached_customer: Customer.new("Stan") })
wait
end
assert_match(/Rendered test\/_cached_nested_cached_customer\.erb (.*) \[cache hit\]/, @logger.logged(:info).last)
end
end
def test_render_partial_with_cache_hitted_and_missed
Rails.stub(:root, File.expand_path(FIXTURE_LOAD_PATH)) do
set_view_cache_dependencies
set_cache_controller
@view.render(partial: "test/cached_customer", locals: { cached_customer: Customer.new("david") })
wait
assert_match(/Rendered test\/_cached_customer\.erb (.*) \[cache miss\]/, @logger.logged(:info).last)
@view.render(partial: "test/cached_customer", locals: { cached_customer: Customer.new("david") })
wait
assert_match(/Rendered test\/_cached_customer\.erb (.*) \[cache hit\]/, @logger.logged(:info).last)
@view.render(partial: "test/cached_customer", locals: { cached_customer: Customer.new("Stan") })
wait
assert_match(/Rendered test\/_cached_customer\.erb (.*) \[cache miss\]/, @logger.logged(:info).last)
end
end
def test_render_collection_template
Rails.stub(:root, File.expand_path(FIXTURE_LOAD_PATH)) do
@view.render(partial: "test/customer", collection: [ Customer.new("david"), Customer.new("mary") ])
wait
assert_equal 1, @logger.logged(:info).size
assert_match(/Rendered collection of test\/_customer.erb \[2 times\]/, @logger.logged(:info).last)
end
end
def test_render_collection_with_implicit_path
Rails.stub(:root, File.expand_path(FIXTURE_LOAD_PATH)) do
@view.render([ Customer.new("david"), Customer.new("mary") ], greeting: "hi")
wait
assert_equal 1, @logger.logged(:info).size
assert_match(/Rendered collection of customers\/_customer\.html\.erb \[2 times\]/, @logger.logged(:info).last)
end
end
def test_render_collection_template_without_path
Rails.stub(:root, File.expand_path(FIXTURE_LOAD_PATH)) do
@view.render([ GoodCustomer.new("david"), Customer.new("mary") ], greeting: "hi")
wait
assert_equal 1, @logger.logged(:info).size
assert_match(/Rendered collection of templates/, @logger.logged(:info).last)
end
end
def test_render_collection_with_cached_set
Rails.stub(:root, File.expand_path(FIXTURE_LOAD_PATH)) do
set_view_cache_dependencies
@view.render(partial: "customers/customer", collection: [ Customer.new("david"), Customer.new("mary") ], cached: true,
locals: { greeting: "hi" })
wait
assert_equal 1, @logger.logged(:info).size
assert_match(/Rendered collection of customers\/_customer\.html\.erb \[0 \/ 2 cache hits\]/, @logger.logged(:info).last)
end
end
end
|
