aboutsummaryrefslogtreecommitdiffstats
path: root/railties/test/application/assets_test.rb
blob: ba2c27d8e8f1e0a96a62667dd42766ebd4c95bfc (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
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
require 'isolation/abstract_unit'
require 'rack/test'
require 'active_support/json'

module ApplicationTests
  class AssetsTest < ActiveSupport::TestCase
    include ActiveSupport::Testing::Isolation
    include Rack::Test::Methods

    def setup
      build_app(initializers: true)
      boot_rails
    end

    def teardown
      teardown_app
    end

    def precompile!(env = nil)
      quietly do
        precompile_task = "bin/rake assets:precompile #{env} --trace 2>&1"
        output = Dir.chdir(app_path) { %x[ #{precompile_task} ] }
        assert $?.success?, output
        output
      end
    end

    def clean_assets!
      quietly do
        assert Dir.chdir(app_path) { system('bin/rake assets:clobber') }
      end
    end

    def assert_file_exists(filename)
      assert Dir[filename].first, "missing #{filename}"
    end

    def assert_no_file_exists(filename)
      assert !File.exist?(filename), "#{filename} does exist"
    end

    test "assets routes have higher priority" do
      app_file "app/assets/images/rails.png", "notactuallyapng"
      app_file "app/assets/javascripts/demo.js.erb", "a = <%= image_path('rails.png').inspect %>;"

      app_file 'config/routes.rb', <<-RUBY
        Rails.application.routes.draw do
          get '*path', to: lambda { |env| [200, { "Content-Type" => "text/html" }, ["Not an asset"]] }
        end
      RUBY

      add_to_env_config "development", "config.assets.digest = false"

      require "#{app_path}/config/environment"

      get "/assets/demo.js"
      assert_equal 'a = "/assets/rails.png";', last_response.body.strip
    end

    test "assets do not require compressors until it is used" do
      app_file "app/assets/javascripts/demo.js.erb", "<%= :alert %>();"
      add_to_env_config "production", "config.assets.compile = true"
      add_to_env_config "production", "config.assets.precompile = []"

      ENV["RAILS_ENV"] = "production"
      require "#{app_path}/config/environment"

      assert !defined?(Uglifier)
      get "/assets/demo.js"
      assert_match "alert()", last_response.body
      assert defined?(Uglifier)
    end

    test "precompile creates the file, gives it the original asset's content and run in production as default" do
      app_file "app/assets/javascripts/application.js", "alert();"
      app_file "app/assets/javascripts/foo/application.js", "alert();"

      ENV["RAILS_ENV"] = nil
      precompile!

      files = Dir["#{app_path}/public/assets/application-*.js"]
      files << Dir["#{app_path}/public/assets/foo/application-*.js"].first
      files.each do |file|
        assert_not_nil file, "Expected application.js asset to be generated, but none found"
        assert_equal "alert();\n", File.read(file)
      end
    end

    def test_precompile_does_not_hit_the_database
      app_file "app/assets/javascripts/application.js", "alert();"
      app_file "app/assets/javascripts/foo/application.js", "alert();"
      app_file "app/controllers/users_controller.rb", <<-eoruby
        class UsersController < ApplicationController; end
      eoruby
      app_file "app/models/user.rb", <<-eoruby
        class User < ActiveRecord::Base; raise 'should not be reached'; end
      eoruby

      ENV['RAILS_ENV']  = 'production'
      ENV['DATABASE_URL'] = 'postgresql://baduser:badpass@127.0.0.1/dbname'

      precompile!

      files = Dir["#{app_path}/public/assets/application-*.js"]
      files << Dir["#{app_path}/public/assets/foo/application-*.js"].first
      files.each do |file|
        assert_not_nil file, "Expected application.js asset to be generated, but none found"
        assert_equal "alert();".strip, File.read(file).strip
      end
    ensure
      ENV.delete 'RAILS_ENV'
      ENV.delete 'DATABASE_URL'
    end

    test "precompile application.js and application.css and all other non JS/CSS files" do
      app_file "app/assets/javascripts/application.js", "alert();"
      app_file "app/assets/stylesheets/application.css", "body{}"

      app_file "app/assets/javascripts/someapplication.js", "alert();"
      app_file "app/assets/stylesheets/someapplication.css", "body{}"

      app_file "app/assets/javascripts/something.min.js", "alert();"
      app_file "app/assets/stylesheets/something.min.css", "body{}"

      app_file "app/assets/javascripts/something.else.js.erb", "alert();"
      app_file "app/assets/stylesheets/something.else.css.erb", "body{}"

      images_should_compile = ["a.png", "happyface.png", "happy_face.png", "happy.face.png",
                               "happy-face.png", "happy.happy_face.png", "happy_happy.face.png",
                               "happy.happy.face.png", "-happy.png", "-happy.face.png",
                               "_happy.face.png", "_happy.png"]

      images_should_compile.each do |filename|
        app_file "app/assets/images/#{filename}", "happy"
      end

      precompile!

      images_should_compile = ["a-*.png", "happyface-*.png", "happy_face-*.png", "happy.face-*.png",
                               "happy-face-*.png", "happy.happy_face-*.png", "happy_happy.face-*.png",
                               "happy.happy.face-*.png", "-happy-*.png", "-happy.face-*.png",
                               "_happy.face-*.png", "_happy-*.png"]

      images_should_compile.each do |filename|
        assert_file_exists("#{app_path}/public/assets/#{filename}")
      end

      assert_file_exists("#{app_path}/public/assets/application-*.js")
      assert_file_exists("#{app_path}/public/assets/application-*.css")

      assert_no_file_exists("#{app_path}/public/assets/someapplication-*.js")
      assert_no_file_exists("#{app_path}/public/assets/someapplication-*.css")

      assert_no_file_exists("#{app_path}/public/assets/something.min-*.js")
      assert_no_file_exists("#{app_path}/public/assets/something.min-*.css")

      assert_no_file_exists("#{app_path}/public/assets/something.else-*.js")
      assert_no_file_exists("#{app_path}/public/assets/something.else-*.css")
    end

    test "precompile something.js for directory containing index file" do
      add_to_config "config.assets.precompile = [ 'something.js' ]"
      app_file "app/assets/javascripts/something/index.js.erb", "alert();"

      precompile!

      assert_file_exists("#{app_path}/public/assets/something-*.js")
    end

    test 'precompile use assets defined in app env config' do
      add_to_env_config 'production', 'config.assets.precompile = [ "something.js" ]'

      app_file 'app/assets/javascripts/something.js.erb', 'alert();'

      precompile! 'RAILS_ENV=production'

      assert_file_exists("#{app_path}/public/assets/something-*.js")
    end

    test 'precompile use assets defined in app config and reassigned in app env config' do
      add_to_config 'config.assets.precompile = [ "something.js" ]'
      add_to_env_config 'production', 'config.assets.precompile += [ "another.js" ]'

      app_file 'app/assets/javascripts/something.js.erb', 'alert();'
      app_file 'app/assets/javascripts/another.js.erb', 'alert();'

      precompile! 'RAILS_ENV=production'

      assert_file_exists("#{app_path}/public/assets/something-*.js")
      assert_file_exists("#{app_path}/public/assets/another-*.js")
    end

    test "asset pipeline should use a Sprockets::Index when config.assets.digest is true" do
      add_to_config "config.action_controller.perform_caching = false"
      add_to_env_config "production", "config.assets.compile = true"

      ENV["RAILS_ENV"] = "production"
      require "#{app_path}/config/environment"

      assert_equal Sprockets::Index, Rails.application.assets.class
    end

    test "precompile creates a manifest file with all the assets listed" do
      app_file "app/assets/images/rails.png", "notactuallyapng"
      app_file "app/assets/stylesheets/application.css.erb", "<%= asset_path('rails.png') %>"
      app_file "app/assets/javascripts/application.js", "alert();"

      precompile!
      manifest = Dir["#{app_path}/public/assets/.sprockets-manifest-*.json"].first

      assets = ActiveSupport::JSON.decode(File.read(manifest))
      assert_match(/application-([0-z]+)\.js/, assets["assets"]["application.js"])
      assert_match(/application-([0-z]+)\.css/, assets["assets"]["application.css"])
    end

    test "the manifest file should be saved by default in the same assets folder" do
      app_file "app/assets/javascripts/application.js", "alert();"
      add_to_config "config.assets.prefix = '/x'"

      precompile!

      manifest = Dir["#{app_path}/public/x/.sprockets-manifest-*.json"].first
      assets = ActiveSupport::JSON.decode(File.read(manifest))
      assert_match(/application-([0-z]+)\.js/, assets["assets"]["application.js"])
    end

    test "assets do not require any assets group gem when manifest file is present" do
      app_file "app/assets/javascripts/application.js", "alert();"
      add_to_env_config "production", "config.serve_static_files = true"

      ENV["RAILS_ENV"] = "production"
      precompile!

      manifest = Dir["#{app_path}/public/assets/.sprockets-manifest-*.json"].first
      assets = ActiveSupport::JSON.decode(File.read(manifest))
      asset_path = assets["assets"]["application.js"]

      require "#{app_path}/config/environment"

      # Checking if Uglifier is defined we can know if Sprockets was reached or not
      assert !defined?(Uglifier)
      get "/assets/#{asset_path}"
      assert_match "alert()", last_response.body
      assert !defined?(Uglifier)
    end

    test "precompile properly refers files referenced with asset_path and runs in the provided RAILS_ENV" do
      app_file "app/assets/images/rails.png", "notactuallyapng"
      app_file "app/assets/stylesheets/application.css.erb", "<%= asset_path('rails.png') %>"
      add_to_env_config "test", "config.assets.digest = true"

      precompile!('RAILS_ENV=test')

      file = Dir["#{app_path}/public/assets/application-*.css"].first
      assert_match(/\/assets\/rails-([0-z]+)\.png/, File.read(file))
    end

    test "precompile shouldn't use the digests present in manifest.json" do
      app_file "app/assets/images/rails.png", "notactuallyapng"

      app_file "app/assets/stylesheets/application.css.erb", "p { url: <%= asset_path('rails.png') %> }"

      ENV["RAILS_ENV"] = "production"
      precompile!

      manifest = Dir["#{app_path}/public/assets/.sprockets-manifest-*.json"].first
      assets = ActiveSupport::JSON.decode(File.read(manifest))
      asset_path = assets["assets"]["application.css"]

      app_file "app/assets/images/rails.png", "p { url: change }"

      precompile!
      assets = ActiveSupport::JSON.decode(File.read(manifest))

      assert_not_equal asset_path, assets["assets"]["application.css"]
    end

    test "precompile appends the md5 hash to files referenced with asset_path and run in production with digest true" do
      app_file "app/assets/images/rails.png", "notactuallyapng"
      app_file "app/assets/stylesheets/application.css.erb", "<%= asset_path('rails.png') %>"

      ENV["RAILS_ENV"] = "production"
      precompile!

      file = Dir["#{app_path}/public/assets/application-*.css"].first
      assert_match(/\/assets\/rails-([0-z]+)\.png/, File.read(file))
    end

    test "precompile should handle utf8 filenames" do
      filename = "レイルズ.png"
      app_file "app/assets/images/#{filename}", "not an image really"
      add_to_config "config.assets.precompile = [ /\.png$/, /application.(css|js)$/ ]"

      precompile!

      manifest = Dir["#{app_path}/public/assets/.sprockets-manifest-*.json"].first
      assets = ActiveSupport::JSON.decode(File.read(manifest))
      assert asset_path = assets["assets"].find { |(k, _)| k && k =~ /.png/ }[1]

      require "#{app_path}/config/environment"

      get "/assets/#{URI.parser.escape(asset_path)}"
      assert_match "not an image really", last_response.body
      assert_file_exists("#{app_path}/public/assets/#{asset_path}")
    end

    test "assets are cleaned up properly" do
      app_file "public/assets/application.js", "alert();"
      app_file "public/assets/application.css", "a { color: green; }"
      app_file "public/assets/subdir/broken.png", "not really an image file"

      clean_assets!

      files = Dir["#{app_path}/public/assets/**/*", "#{app_path}/tmp/cache/assets/development/*",
                  "#{app_path}/tmp/cache/assets/test/*", "#{app_path}/tmp/cache/assets/production/*"]
      assert_equal 0, files.length, "Expected no assets, but found #{files.join(', ')}"
    end

    test "assets routes are not drawn when compilation is disabled" do
      app_file "app/assets/javascripts/demo.js.erb", "<%= :alert %>();"
      add_to_config "config.assets.compile = false"

      ENV["RAILS_ENV"] = "production"
      require "#{app_path}/config/environment"

      get "/assets/demo.js"
      assert_equal 404, last_response.status
    end

    test "does not stream session cookies back" do
      app_file "app/assets/javascripts/demo.js.erb", "<%= :alert %>();"

      app_file "config/routes.rb", <<-RUBY
        Rails.application.routes.draw do
          get '/omg', :to => "omg#index"
        end
      RUBY

      add_to_env_config "development", "config.assets.digest = false"

      require "#{app_path}/config/environment"

      class ::OmgController < ActionController::Base
        def index
          flash[:cool_story] = true
          render text: "ok"
        end
      end

      get "/omg"
      assert_equal 'ok', last_response.body

      get "/assets/demo.js"
      assert_match "alert()", last_response.body
      assert_equal nil, last_response.headers["Set-Cookie"]
    end

    test "files in any assets/ directories are not added to Sprockets" do
      %w[app lib vendor].each do |dir|
        app_file "#{dir}/assets/#{dir}_test.erb", "testing"
      end

      app_file "app/assets/javascripts/demo.js", "alert();"

      add_to_env_config "development", "config.assets.digest = false"

      require "#{app_path}/config/environment"

      get "/assets/demo.js"
      assert_match "alert();", last_response.body
      assert_equal 200, last_response.status
    end

    test "assets are concatenated when debug is off and compile is off either if debug_assets param is provided" do
      app_with_assets_in_view

      # config.assets.debug and config.assets.compile are false for production environment
      ENV["RAILS_ENV"] = "production"
      precompile!

      require "#{app_path}/config/environment"

      class ::PostsController < ActionController::Base ; end

      # the debug_assets params isn't used if compile is off
      get '/posts?debug_assets=true'
      assert_match(/<script src="\/assets\/application-([0-z]+)\.js"><\/script>/, last_response.body)
      assert_no_match(/<script src="\/assets\/xmlhr-([0-z]+)\.js"><\/script>/, last_response.body)
    end

    test "assets can access model information when precompiling" do
      app_file "app/models/post.rb", "class Post; end"
      app_file "app/assets/javascripts/application.js", "//= require_tree ."
      app_file "app/assets/javascripts/xmlhr.js.erb", "<%= Post.name %>"

      precompile!
      assert_equal "Post;\n", File.read(Dir["#{app_path}/public/assets/application-*.js"].first)
    end

    test "initialization on the assets group should set assets_dir" do
      require "#{app_path}/config/application"
      Rails.application.initialize!(:assets)
      assert_not_nil Rails.application.config.action_controller.assets_dir
    end

    test "enhancements to assets:precompile should only run once" do
      app_file "lib/tasks/enhance.rake", "Rake::Task['assets:precompile'].enhance { puts 'enhancement' }"
      output = precompile!
      assert_equal 1, output.scan("enhancement").size
    end

    test "digested assets are not mistakenly removed" do
      app_file "app/assets/application.js", "alert();"
      add_to_config "config.assets.compile = true"

      precompile!

      files = Dir["#{app_path}/public/assets/application-*.js"]
      assert_equal 1, files.length, "Expected digested application.js asset to be generated, but none found"
    end

    test "digested assets are removed from configured path" do
      app_file "public/production_assets/application.js", "alert();"
      add_to_env_config "production", "config.assets.prefix = 'production_assets'"

      ENV["RAILS_ENV"] = nil

      clean_assets!

      files = Dir["#{app_path}/public/production_assets/application-*.js"]
      assert_equal 0, files.length, "Expected application.js asset to be removed, but still exists"
    end

    test "asset urls should use the request's protocol by default" do
      app_with_assets_in_view
      add_to_config "config.asset_host = 'example.com'"
      add_to_env_config "development", "config.assets.digest = false"
      require "#{app_path}/config/environment"
      class ::PostsController < ActionController::Base; end

      get '/posts', {}, {'HTTPS'=>'off'}
      assert_match('src="http://example.com/assets/application.self.js', last_response.body)
      get '/posts', {}, {'HTTPS'=>'on'}
      assert_match('src="https://example.com/assets/application.self.js', last_response.body)
    end

    test "asset urls should be protocol-relative if no request is in scope" do
      app_file "app/assets/images/rails.png", "notreallyapng"
      app_file "app/assets/javascripts/image_loader.js.erb", "var src='<%= image_path('rails.png') %>';"
      add_to_config "config.assets.precompile = %w{rails.png image_loader.js}"
      add_to_config "config.asset_host = 'example.com'"
      add_to_env_config "development", "config.assets.digest = false"
      precompile!

      assert_match "src='//example.com/assets/rails.png'", File.read(Dir["#{app_path}/public/assets/image_loader-*.js"].first)
    end

    test "asset paths should use RAILS_RELATIVE_URL_ROOT by default" do
      ENV["RAILS_RELATIVE_URL_ROOT"] = "/sub/uri"
      app_file "app/assets/images/rails.png", "notreallyapng"
      app_file "app/assets/javascripts/app.js.erb", "var src='<%= image_path('rails.png') %>';"
      add_to_config "config.assets.precompile = %w{rails.png app.js}"
      add_to_env_config "development", "config.assets.digest = false"
      precompile!

      assert_match "src='/sub/uri/assets/rails.png'", File.read(Dir["#{app_path}/public/assets/app-*.js"].first)
    end

    private

    def app_with_assets_in_view
      app_file "app/assets/javascripts/application.js", "//= require_tree ."
      app_file "app/assets/javascripts/xmlhr.js", "function f1() { alert(); }"
      app_file "app/views/posts/index.html.erb", "<%= javascript_include_tag 'application' %>"

      app_file "config/routes.rb", <<-RUBY
        Rails.application.routes.draw do
          get '/posts', :to => "posts#index"
        end
      RUBY
    end
  end
end