aboutsummaryrefslogtreecommitdiffstats
path: root/railties/test/application/test_runner_test.rb
blob: c122b315c0ab36e11bc01b3a10c220d041907235 (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
require 'isolation/abstract_unit'
require 'active_support/core_ext/string/strip'

module ApplicationTests
  class TestRunnerTest < ActiveSupport::TestCase
    include ActiveSupport::Testing::Isolation

    def setup
      build_app
      create_schema
    end

    def teardown
      teardown_app
    end

    def test_run_in_test_environment
      app_file 'test/unit/env_test.rb', <<-RUBY
        require 'test_helper'

        class EnvTest < ActiveSupport::TestCase
          def test_env
            puts "Current Environment: \#{Rails.env}"
          end
        end
      RUBY

      assert_match "Current Environment: test", run_test_command('test/unit/env_test.rb')
    end

    def test_run_single_file
      create_test_file :models, 'foo'
      create_test_file :models, 'bar'
      assert_match "1 runs, 1 assertions, 0 failures", run_test_command("test/models/foo_test.rb")
    end

    def test_run_multiple_files
      create_test_file :models,  'foo'
      create_test_file :models,  'bar'
      assert_match "2 runs, 2 assertions, 0 failures", run_test_command("test/models/foo_test.rb test/models/bar_test.rb")
    end

    def test_run_file_with_syntax_error
      app_file 'test/models/error_test.rb', <<-RUBY
        require 'test_helper'
        def; end
      RUBY

      error = capture(:stderr) { run_test_command('test/models/error_test.rb') }
      assert_match "syntax error", error
    end

    def test_run_models
      create_test_file :models, 'foo'
      create_test_file :models, 'bar'
      create_test_file :controllers, 'foobar_controller'
      run_test_command("test/models").tap do |output|
        assert_match "FooTest", output
        assert_match "BarTest", output
        assert_match "2 runs, 2 assertions, 0 failures", output
      end
    end

    def test_run_helpers
      create_test_file :helpers, 'foo_helper'
      create_test_file :helpers, 'bar_helper'
      create_test_file :controllers, 'foobar_controller'
      run_test_command("test/helpers").tap do |output|
        assert_match "FooHelperTest", output
        assert_match "BarHelperTest", output
        assert_match "2 runs, 2 assertions, 0 failures", output
      end
    end

    def test_run_units
      skip "we no longer have the concept of unit tests. Just different directories..."
      create_test_file :models, 'foo'
      create_test_file :helpers, 'bar_helper'
      create_test_file :unit, 'baz_unit'
      create_test_file :controllers, 'foobar_controller'
      run_test_units_command.tap do |output|
        assert_match "FooTest", output
        assert_match "BarHelperTest", output
        assert_match "BazUnitTest", output
        assert_match "3 runs, 3 assertions, 0 failures", output
      end
    end

    def test_run_controllers
      create_test_file :controllers, 'foo_controller'
      create_test_file :controllers, 'bar_controller'
      create_test_file :models, 'foo'
      run_test_command("test/controllers").tap do |output|
        assert_match "FooControllerTest", output
        assert_match "BarControllerTest", output
        assert_match "2 runs, 2 assertions, 0 failures", output
      end
    end

    def test_run_mailers
      create_test_file :mailers, 'foo_mailer'
      create_test_file :mailers, 'bar_mailer'
      create_test_file :models, 'foo'
      run_test_command("test/mailers").tap do |output|
        assert_match "FooMailerTest", output
        assert_match "BarMailerTest", output
        assert_match "2 runs, 2 assertions, 0 failures", output
      end
    end

    def test_run_jobs
      create_test_file :jobs, 'foo_job'
      create_test_file :jobs, 'bar_job'
      create_test_file :models, 'foo'
      run_test_command("test/jobs").tap do |output|
        assert_match "FooJobTest", output
        assert_match "BarJobTest", output
        assert_match "2 runs, 2 assertions, 0 failures", output
      end
    end

    def test_run_functionals
      skip "we no longer have the concept of functional tests. Just different directories..."
      create_test_file :mailers, 'foo_mailer'
      create_test_file :controllers, 'bar_controller'
      create_test_file :functional, 'baz_functional'
      create_test_file :models, 'foo'
      run_test_functionals_command.tap do |output|
        assert_match "FooMailerTest", output
        assert_match "BarControllerTest", output
        assert_match "BazFunctionalTest", output
        assert_match "3 runs, 3 assertions, 0 failures", output
      end
    end

    def test_run_integration
      create_test_file :integration, 'foo_integration'
      create_test_file :models, 'foo'
      run_test_command("test/integration").tap do |output|
        assert_match "FooIntegration", output
        assert_match "1 runs, 1 assertions, 0 failures", output
      end
    end

    def test_run_all_suites
      suites = [:models, :helpers, :unit, :controllers, :mailers, :functional, :integration, :jobs]
      suites.each { |suite| create_test_file suite, "foo_#{suite}" }
      run_test_command('') .tap do |output|
        suites.each { |suite| assert_match "Foo#{suite.to_s.camelize}Test", output }
        assert_match "8 runs, 8 assertions, 0 failures", output
      end
    end

    def test_run_named_test
      app_file 'test/unit/chu_2_koi_test.rb', <<-RUBY
        require 'test_helper'

        class Chu2KoiTest < ActiveSupport::TestCase
          def test_rikka
            puts 'Rikka'
          end

          def test_sanae
            puts 'Sanae'
          end
        end
      RUBY

      run_test_command('-n test_rikka test/unit/chu_2_koi_test.rb').tap do |output|
        assert_match "Rikka", output
        assert_no_match "Sanae", output
      end
    end

    def test_run_matched_test
      app_file 'test/unit/chu_2_koi_test.rb', <<-RUBY
        require 'test_helper'

        class Chu2KoiTest < ActiveSupport::TestCase
          def test_rikka
            puts 'Rikka'
          end

          def test_sanae
            puts 'Sanae'
          end
        end
      RUBY

      run_test_command('-p rikka test/unit/chu_2_koi_test.rb').tap do |output|
        assert_match "Rikka", output
        assert_no_match "Sanae", output
      end
    end

    def test_load_fixtures_when_running_test_suites
      create_model_with_fixture
      suites = [:models, :helpers, :controllers, :mailers, :integration]

      suites.each do |suite, directory|
        directory ||= suite
        create_fixture_test directory
        assert_match "3 users", run_test_command("test/#{suite}")
        Dir.chdir(app_path) { FileUtils.rm_f "test/#{directory}" }
      end
    end

    def test_run_with_model
      skip "These feel a bit odd. Not sure we should keep supporting them."
      create_model_with_fixture
      create_fixture_test 'models', 'user'
      assert_match "3 users", run_task(["test models/user"])
      assert_match "3 users", run_task(["test app/models/user.rb"])
    end

    def test_run_different_environment_using_env_var
      skip "no longer possible. Running tests in a different environment should be explicit"
      app_file 'test/unit/env_test.rb', <<-RUBY
        require 'test_helper'

        class EnvTest < ActiveSupport::TestCase
          def test_env
            puts Rails.env
          end
        end
      RUBY

      ENV['RAILS_ENV'] = 'development'
      assert_match "development", run_test_command('test/unit/env_test.rb')
    end

    def test_run_different_environment
      env = "development"
      app_file 'test/unit/env_test.rb', <<-RUBY
        require 'test_helper'

        class EnvTest < ActiveSupport::TestCase
          def test_env
            puts Rails.env
          end
        end
      RUBY

      assert_match env, run_test_command("-e #{env} test/unit/env_test.rb")
    end

    def test_generated_scaffold_works_with_rails_test
      create_scaffold
      assert_match "0 failures, 0 errors, 0 skips", run_test_command('')
    end

    private
      def run_test_command(arguments = 'test/unit/test_test.rb')
        Dir.chdir(app_path) { `bin/rails t #{arguments}` }
      end

      def create_model_with_fixture
        script 'generate model user name:string'

        app_file 'test/fixtures/users.yml', <<-YAML.strip_heredoc
          vampire:
            id: 1
            name: Koyomi Araragi
          crab:
            id: 2
            name: Senjougahara Hitagi
          cat:
            id: 3
            name: Tsubasa Hanekawa
        YAML

        run_migration
      end

      def create_fixture_test(path = :unit, name = 'test')
        app_file "test/#{path}/#{name}_test.rb", <<-RUBY
          require 'test_helper'

          class #{name.camelize}Test < ActiveSupport::TestCase
            def test_fixture
              puts "\#{User.count} users (\#{__FILE__})"
            end
          end
        RUBY
      end

      def create_schema
        app_file 'db/schema.rb', ''
      end

      def create_test_file(path = :unit, name = 'test')
        app_file "test/#{path}/#{name}_test.rb", <<-RUBY
          require 'test_helper'

          class #{name.camelize}Test < ActiveSupport::TestCase
            def test_truth
              puts "#{name.camelize}Test"
              assert true
            end
          end
        RUBY
      end

      def create_scaffold
        script 'generate scaffold user name:string'
        Dir.chdir(app_path) { File.exist?('app/models/user.rb') }
        run_migration
      end

      def run_migration
        Dir.chdir(app_path) { `bundle exec rake db:migrate` }
      end
  end
end