aboutsummaryrefslogtreecommitdiffstats
path: root/actionpack/test/dispatch/response_test.rb
blob: 43ee2efd9f762471936af281e8d99aceb5c7c878 (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
require 'abstract_unit'
require 'timeout'
require 'rack/content_length'

class ResponseTest < ActiveSupport::TestCase
  def setup
    @response = ActionDispatch::Response.create
    @response.request = ActionDispatch::Request.empty
  end

  def test_can_wait_until_commit
    t = Thread.new {
      @response.await_commit
    }
    @response.commit!
    assert @response.committed?
    assert t.join(0.5)
  end

  def test_stream_close
    @response.stream.close
    assert @response.stream.closed?
  end

  def test_stream_write
    @response.stream.write "foo"
    @response.stream.close
    assert_equal "foo", @response.body
  end

  def test_write_after_close
    @response.stream.close

    e = assert_raises(IOError) do
      @response.stream.write "omg"
    end
    assert_equal "closed stream", e.message
  end

  def test_read_body_during_action
    @response.body = "Hello, World!"

    # even though there's no explicitly set content-type,
    assert_equal nil, @response.content_type

    # after the action reads back @response.body,
    assert_equal "Hello, World!", @response.body

    # the response can be built.
    status, headers, body = @response.to_a
    assert_equal 200, status
    assert_equal({
      "Content-Type" => "text/html; charset=utf-8"
    }, headers)

    parts = []
    body.each { |part| parts << part }
    assert_equal ["Hello, World!"], parts
  end

  def test_response_body_encoding
    body = ["hello".encode(Encoding::UTF_8)]
    response = ActionDispatch::Response.new 200, {}, body
    response.request = ActionDispatch::Request.empty
    assert_equal Encoding::UTF_8, response.body.encoding
  end

  def test_response_charset_writer
    @response.charset = 'utf-16'
    assert_equal 'utf-16', @response.charset
    @response.charset = nil
    assert_equal 'utf-8', @response.charset
  end

  def test_setting_content_type_header_impacts_content_type_method
    @response.headers['Content-Type'] = "application/aaron"
    assert_equal 'application/aaron', @response.content_type
  end

  test "simple output" do
    @response.body = "Hello, World!"

    status, headers, body = @response.to_a
    assert_equal 200, status
    assert_equal({
      "Content-Type" => "text/html; charset=utf-8"
    }, headers)

    parts = []
    body.each { |part| parts << part }
    assert_equal ["Hello, World!"], parts
  end

  test "status handled properly in initialize" do
    assert_equal 200, ActionDispatch::Response.new('200 OK').status
  end

  def test_only_set_charset_still_defaults_to_text_html
    response = ActionDispatch::Response.new
    response.charset = "utf-16"
    _,headers,_ = response.to_a
    assert_equal "text/html; charset=utf-16", headers['Content-Type']
  end

  test "utf8 output" do
    @response.body = [1090, 1077, 1089, 1090].pack("U*")

    status, headers, _ = @response.to_a
    assert_equal 200, status
    assert_equal({
      "Content-Type" => "text/html; charset=utf-8"
    }, headers)
  end

  test "content type" do
    [204, 304].each do |c|
      @response = ActionDispatch::Response.new
      @response.status = c.to_s
      _, headers, _ = @response.to_a
      assert !headers.has_key?("Content-Type"), "#{c} should not have Content-Type header"
    end

    [200, 302, 404, 500].each do |c|
      @response = ActionDispatch::Response.new
      @response.status = c.to_s
      _, headers, _ = @response.to_a
      assert headers.has_key?("Content-Type"), "#{c} did not have Content-Type header"
    end
  end

  test "does not include Status header" do
    @response.status = "200 OK"
    _, headers, _ = @response.to_a
    assert !headers.has_key?('Status')
  end

  test "response code" do
    @response.status = "200 OK"
    assert_equal 200, @response.response_code

    @response.status = "200"
    assert_equal 200, @response.response_code

    @response.status = 200
    assert_equal 200, @response.response_code
  end

  test "code" do
    @response.status = "200 OK"
    assert_equal "200", @response.code

    @response.status = "200"
    assert_equal "200", @response.code

    @response.status = 200
    assert_equal "200", @response.code
  end

  test "message" do
    @response.status = "200 OK"
    assert_equal "OK", @response.message

    @response.status = "200"
    assert_equal "OK", @response.message

    @response.status = 200
    assert_equal "OK", @response.message
  end

  test "cookies" do
    @response.set_cookie("user_name", :value => "david", :path => "/")
    _status, headers, _body = @response.to_a
    assert_equal "user_name=david; path=/", headers["Set-Cookie"]
    assert_equal({"user_name" => "david"}, @response.cookies)
  end

  test "multiple cookies" do
    @response.set_cookie("user_name", :value => "david", :path => "/")
    @response.set_cookie("login", :value => "foo&bar", :path => "/", :expires => Time.utc(2005, 10, 10,5))
    _status, headers, _body = @response.to_a
    assert_equal "user_name=david; path=/\nlogin=foo%26bar; path=/; expires=Mon, 10 Oct 2005 05:00:00 -0000", headers["Set-Cookie"]
    assert_equal({"login" => "foo&bar", "user_name" => "david"}, @response.cookies)
  end

  test "delete cookies" do
    @response.set_cookie("user_name", :value => "david", :path => "/")
    @response.set_cookie("login", :value => "foo&bar", :path => "/", :expires => Time.utc(2005, 10, 10,5))
    @response.delete_cookie("login")
    assert_equal({"user_name" => "david", "login" => nil}, @response.cookies)
  end

  test "read cache control" do
    resp = ActionDispatch::Response.new.tap { |response|
      response.cache_control[:public] = true
      response.etag = '123'
      response.body = 'Hello'
    }
    resp.to_a

    assert_equal('"202cb962ac59075b964b07152d234b70"', resp.etag)
    assert_equal({:public => true}, resp.cache_control)

    assert_equal('public', resp.headers['Cache-Control'])
    assert_equal('"202cb962ac59075b964b07152d234b70"', resp.headers['ETag'])
  end

  test "read charset and content type" do
    resp = ActionDispatch::Response.new.tap { |response|
      response.charset = 'utf-16'
      response.content_type = Mime[:xml]
      response.body = 'Hello'
    }
    resp.to_a

    assert_equal('utf-16', resp.charset)
    assert_equal(Mime[:xml], resp.content_type)

    assert_equal('application/xml; charset=utf-16', resp.headers['Content-Type'])
  end

  test "read content type with default charset utf-8" do
    original = ActionDispatch::Response.default_charset
    begin
      resp = ActionDispatch::Response.new(200, { "Content-Type" => "text/xml" })
      assert_equal('utf-8', resp.charset)
    ensure
      ActionDispatch::Response.default_charset = original
    end
  end

  test "read content type with charset utf-16" do
    original = ActionDispatch::Response.default_charset
    begin
      ActionDispatch::Response.default_charset = 'utf-16'
      resp = ActionDispatch::Response.new(200, { "Content-Type" => "text/xml" })
      assert_equal('utf-16', resp.charset)
    ensure
      ActionDispatch::Response.default_charset = original
    end
  end

  test "read x_frame_options, x_content_type_options and x_xss_protection" do
    original_default_headers = ActionDispatch::Response.default_headers
    begin
      ActionDispatch::Response.default_headers = {
        'X-Frame-Options' => 'DENY',
        'X-Content-Type-Options' => 'nosniff',
        'X-XSS-Protection' => '1;'
      }
      resp = ActionDispatch::Response.create.tap { |response|
        response.body = 'Hello'
      }
      resp.to_a

      assert_equal('DENY', resp.headers['X-Frame-Options'])
      assert_equal('nosniff', resp.headers['X-Content-Type-Options'])
      assert_equal('1;', resp.headers['X-XSS-Protection'])
    ensure
      ActionDispatch::Response.default_headers = original_default_headers
    end
  end

  test "read custom default_header" do
    original_default_headers = ActionDispatch::Response.default_headers
    begin
      ActionDispatch::Response.default_headers = {
        'X-XX-XXXX' => 'Here is my phone number'
      }
      resp = ActionDispatch::Response.create.tap { |response|
        response.body = 'Hello'
      }
      resp.to_a

      assert_equal('Here is my phone number', resp.headers['X-XX-XXXX'])
    ensure
      ActionDispatch::Response.default_headers = original_default_headers
    end
  end

  test "respond_to? accepts include_private" do
    assert_not @response.respond_to?(:method_missing)
    assert @response.respond_to?(:method_missing, true)
  end

  test "can be explicitly destructured into status, headers and an enumerable body" do
    response = ActionDispatch::Response.new(404, { 'Content-Type' => 'text/plain' }, ['Not Found'])
    response.request = ActionDispatch::Request.empty
    status, headers, body = *response

    assert_equal 404, status
    assert_equal({ 'Content-Type' => 'text/plain' }, headers)
    assert_equal ['Not Found'], body.each.to_a
  end

  test "[response.to_a].flatten does not recurse infinitely" do
    Timeout.timeout(1) do # use a timeout to prevent it stalling indefinitely
      status, headers, body = [@response.to_a].flatten
      assert_equal @response.status, status
      assert_equal @response.headers, headers
      assert_equal @response.body, body.each.to_a.join
    end
  end

  test "compatibility with Rack::ContentLength" do
    @response.body = 'Hello'
    app = lambda { |env| @response.to_a }
    env = Rack::MockRequest.env_for("/")

    status, headers, body = app.call(env)
    assert_nil headers['Content-Length']

    status, headers, body = Rack::ContentLength.new(app).call(env)
    assert_equal '5', headers['Content-Length']
  end
end

class ResponseHeadersTest < ActiveSupport::TestCase
  def setup
    @response = ActionDispatch::Response.create
    @response.set_header 'Foo', '1'
  end

  test 'has_header?' do
    assert @response.has_header? 'Foo'
    assert_not @response.has_header? 'foo'
    assert_not @response.has_header? nil
  end

  test 'get_header' do
    assert_equal '1', @response.get_header('Foo')
    assert_nil @response.get_header('foo')
    assert_nil @response.get_header(nil)
  end

  test 'set_header' do
    assert_equal '2', @response.set_header('Foo', '2')
    assert @response.has_header?('Foo')
    assert_equal '2', @response.get_header('Foo')

    assert_nil @response.set_header('Foo', nil)
    assert @response.has_header?('Foo')
    assert_nil @response.get_header('Foo')
  end

  test 'delete_header' do
    assert_nil @response.delete_header(nil)

    assert_nil @response.delete_header('foo')
    assert @response.has_header?('Foo')

    assert_equal '1', @response.delete_header('Foo')
    assert_not @response.has_header?('Foo')
  end

  test 'add_header' do
    # Add a value to an existing header
    assert_equal '1,2', @response.add_header('Foo', '2')
    assert_equal '1,2', @response.get_header('Foo')

    # Add nil to an existing header
    assert_equal '1,2', @response.add_header('Foo', nil)
    assert_equal '1,2', @response.get_header('Foo')

    # Add nil to a nonexistent header
    assert_nil @response.add_header('Bar', nil)
    assert_not @response.has_header?('Bar')
    assert_nil @response.get_header('Bar')

    # Add a value to a nonexistent header
    assert_equal '1', @response.add_header('Bar', '1')
    assert @response.has_header?('Bar')
    assert_equal '1', @response.get_header('Bar')
  end
end

class ResponseIntegrationTest < ActionDispatch::IntegrationTest
  test "response cache control from railsish app" do
    @app = lambda { |env|
      ActionDispatch::Response.new.tap { |resp|
        resp.cache_control[:public] = true
        resp.etag = '123'
        resp.body = 'Hello'
        resp.request = ActionDispatch::Request.empty
      }.to_a
    }

    get '/'
    assert_response :success

    assert_equal('public', @response.headers['Cache-Control'])
    assert_equal('"202cb962ac59075b964b07152d234b70"', @response.headers['ETag'])

    assert_equal('"202cb962ac59075b964b07152d234b70"', @response.etag)
    assert_equal({:public => true}, @response.cache_control)
  end

  test "response cache control from rackish app" do
    @app = lambda { |env|
      [200,
        {'ETag' => '"202cb962ac59075b964b07152d234b70"',
          'Cache-Control' => 'public'}, ['Hello']]
    }

    get '/'
    assert_response :success

    assert_equal('public', @response.headers['Cache-Control'])
    assert_equal('"202cb962ac59075b964b07152d234b70"', @response.headers['ETag'])

    assert_equal('"202cb962ac59075b964b07152d234b70"', @response.etag)
    assert_equal({:public => true}, @response.cache_control)
  end

  test "response charset and content type from railsish app" do
    @app = lambda { |env|
      ActionDispatch::Response.new.tap { |resp|
        resp.charset = 'utf-16'
        resp.content_type = Mime[:xml]
        resp.body = 'Hello'
        resp.request = ActionDispatch::Request.empty
      }.to_a
    }

    get '/'
    assert_response :success

    assert_equal('utf-16', @response.charset)
    assert_equal(Mime[:xml], @response.content_type)

    assert_equal('application/xml; charset=utf-16', @response.headers['Content-Type'])
  end

  test "response charset and content type from rackish app" do
    @app = lambda { |env|
      [200,
        {'Content-Type' => 'application/xml; charset=utf-16'},
        ['Hello']]
    }

    get '/'
    assert_response :success

    assert_equal('utf-16', @response.charset)
    assert_equal(Mime[:xml], @response.content_type)

    assert_equal('application/xml; charset=utf-16', @response.headers['Content-Type'])
  end
end