apps/workbench/test/controllers/collections_controller_test.rb

   1 require 'test_helper'
   2
   3 class CollectionsControllerTest < ActionController::TestCase
   4   # These tests don't do state-changing API calls. Save some time by
   5   # skipping the database reset.
   6   reset_api_fixtures :after_each_test, false
   7   reset_api_fixtures :after_suite, true
   8
   9   include PipelineInstancesHelper
  10
  11   NONEXISTENT_COLLECTION = "ffffffffffffffffffffffffffffffff+0"
  12
  13   def config_anonymous enable
  14     Rails.configuration.anonymous_user_token =
  15       if enable
  16         api_fixture('api_client_authorizations')['anonymous']['api_token']
  17       else
  18         false
  19       end
  20   end
  21
  22   def stub_file_content
  23     # For the duration of the current test case, stub file download
  24     # content with a randomized (but recognizable) string. Return the
  25     # string, the test case can use it in assertions.
  26     txt = 'the quick brown fox ' + rand(2**32).to_s
  27     @controller.stubs(:file_enumerator).returns([txt])
  28     txt
  29   end
  30
  31   def collection_params(collection_name, file_name=nil)
  32     uuid = api_fixture('collections')[collection_name.to_s]['uuid']
  33     params = {uuid: uuid, id: uuid}
  34     params[:file] = file_name if file_name
  35     params
  36   end
  37
  38   def assert_hash_includes(actual_hash, expected_hash, msg=nil)
  39     expected_hash.each do |key, value|
  40       assert_equal(value, actual_hash[key], msg)
  41     end
  42   end
  43
  44   def assert_no_session
  45     assert_hash_includes(session, {arvados_api_token: nil},
  46                          "session includes unexpected API token")
  47   end
  48
  49   def assert_session_for_auth(client_auth)
  50     api_token =
  51       api_fixture('api_client_authorizations')[client_auth.to_s]['api_token']
  52     assert_hash_includes(session, {arvados_api_token: api_token},
  53                          "session token does not belong to #{client_auth}")
  54   end
  55
  56   def show_collection(params, session={}, response=:success)
  57     params = collection_params(params) if not params.is_a? Hash
  58     session = session_for(session) if not session.is_a? Hash
  59     get(:show, params, session)
  60     assert_response response
  61   end
  62
  63   test "viewing a collection" do
  64     show_collection(:foo_file, :active)
  65     assert_equal([['.', 'foo', 3]], assigns(:object).files)
  66   end
  67
  68   test "viewing a collection with spaces in filename" do
  69     show_collection(:w_a_z_file, :active)
  70     assert_equal([['.', 'w a z', 5]], assigns(:object).files)
  71   end
  72
  73   test "download a file with spaces in filename" do
  74     collection = api_fixture('collections')['w_a_z_file']
  75     fakepipe = IO.popen(['echo', '-n', 'w a z'], 'rb')
  76     IO.expects(:popen).with { |cmd, mode|
  77       cmd.include? "#{collection['uuid']}/w a z"
  78     }.returns(fakepipe)
  79     get :show_file, {
  80       uuid: collection['uuid'],
  81       file: 'w a z'
  82     }, session_for(:active)
  83     assert_response :success
  84     assert_equal 'w a z', response.body
  85   end
  86
  87   test "viewing a collection fetches related projects" do
  88     show_collection({id: api_fixture('collections')["foo_file"]['portable_data_hash']}, :active)
  89     assert_includes(assigns(:same_pdh).map(&:owner_uuid),
  90                     api_fixture('groups')['aproject']['uuid'],
  91                     "controller did not find linked project")
  92   end
  93
  94   test "viewing a collection fetches related permissions" do
  95     show_collection(:bar_file, :active)
  96     assert_includes(assigns(:permissions).map(&:uuid),
  97                     api_fixture('links')['bar_file_readable_by_active']['uuid'],
  98                     "controller did not find permission link")
  99   end
 100
 101   test "viewing a collection fetches jobs that output it" do
 102     show_collection(:bar_file, :active)
 103     assert_includes(assigns(:output_of).map(&:uuid),
 104                     api_fixture('jobs')['foobar']['uuid'],
 105                     "controller did not find output job")
 106   end
 107
 108   test "viewing a collection fetches jobs that logged it" do
 109     show_collection(:baz_file, :active)
 110     assert_includes(assigns(:log_of).map(&:uuid),
 111                     api_fixture('jobs')['foobar']['uuid'],
 112                     "controller did not find logger job")
 113   end
 114
 115   test "sharing auths available to admin" do
 116     show_collection("collection_owned_by_active", "admin_trustedclient")
 117     assert_not_nil assigns(:search_sharing)
 118   end
 119
 120   test "sharing auths available to owner" do
 121     show_collection("collection_owned_by_active", "active_trustedclient")
 122     assert_not_nil assigns(:search_sharing)
 123   end
 124
 125   test "sharing auths available to reader" do
 126     show_collection("foo_collection_in_aproject",
 127                     "project_viewer_trustedclient")
 128     assert_not_nil assigns(:search_sharing)
 129   end
 130
 131   test "viewing collection files with a reader token" do
 132     params = collection_params(:foo_file)
 133     params[:reader_token] = api_fixture("api_client_authorizations",
 134                                         "active_all_collections", "api_token")
 135     get(:show_file_links, params)
 136     assert_response :success
 137     assert_equal([['.', 'foo', 3]], assigns(:object).files)
 138     assert_no_session
 139   end
 140
 141   test "fetching collection file with reader token" do
 142     expected = stub_file_content
 143     params = collection_params(:foo_file, "foo")
 144     params[:reader_token] = api_fixture("api_client_authorizations",
 145                                         "active_all_collections", "api_token")
 146     get(:show_file, params)
 147     assert_response :success
 148     assert_equal(expected, @response.body,
 149                  "failed to fetch a Collection file with a reader token")
 150     assert_no_session
 151   end
 152
 153   test "reader token Collection links end with trailing slash" do
 154     # Testing the fix for #2937.
 155     session = session_for(:active_trustedclient)
 156     post(:share, collection_params(:foo_file), session)
 157     assert(@controller.download_link.ends_with? '/',
 158            "Collection share link does not end with slash for wget")
 159   end
 160
 161   test "getting a file from Keep" do
 162     params = collection_params(:foo_file, 'foo')
 163     sess = session_for(:active)
 164     expect_content = stub_file_content
 165     get(:show_file, params, sess)
 166     assert_response :success
 167     assert_equal(expect_content, @response.body,
 168                  "failed to get a correct file from Keep")
 169   end
 170
 171   test 'anonymous download' do
 172     config_anonymous true
 173     expect_content = stub_file_content
 174     get :show_file, {
 175       uuid: api_fixture('collections')['user_agreement_in_anonymously_accessible_project']['uuid'],
 176       file: 'GNU_General_Public_License,_version_3.pdf',
 177     }
 178     assert_response :success
 179     assert_equal expect_content, response.body
 180   end
 181
 182   test "can't get a file from Keep without permission" do
 183     params = collection_params(:foo_file, 'foo')
 184     sess = session_for(:spectator)
 185     get(:show_file, params, sess)
 186     assert_response 404
 187   end
 188
 189   test "trying to get a nonexistent file from Keep returns a 404" do
 190     params = collection_params(:foo_file, 'gone')
 191     sess = session_for(:admin)
 192     get(:show_file, params, sess)
 193     assert_response 404
 194   end
 195
 196   test "getting a file from Keep with a good reader token" do
 197     params = collection_params(:foo_file, 'foo')
 198     read_token = api_fixture('api_client_authorizations')['active']['api_token']
 199     params[:reader_token] = read_token
 200     expect_content = stub_file_content
 201     get(:show_file, params)
 202     assert_response :success
 203     assert_equal(expect_content, @response.body,
 204                  "failed to get a correct file from Keep using a reader token")
 205     assert_not_equal(read_token, session[:arvados_api_token],
 206                      "using a reader token set the session's API token")
 207   end
 208
 209   [false, true].each do |anon|
 210     test "download a file using a reader token with insufficient scope, anon #{anon}" do
 211       config_anonymous anon
 212       params = collection_params(:foo_file, 'foo')
 213       params[:reader_token] =
 214         api_fixture('api_client_authorizations')['active_noscope']['api_token']
 215       get(:show_file, params)
 216       if anon
 217         # Some files can be shown without a valid token, but not this one.
 218         assert_response 404
 219       else
 220         # No files will ever be shown without a valid token. You
 221         # should log in and try again.
 222         assert_response :redirect
 223       end
 224     end
 225   end
 226
 227   test "can get a file with an unpermissioned auth but in-scope reader token" do
 228     params = collection_params(:foo_file, 'foo')
 229     sess = session_for(:expired)
 230     read_token = api_fixture('api_client_authorizations')['active']['api_token']
 231     params[:reader_token] = read_token
 232     expect_content = stub_file_content
 233     get(:show_file, params, sess)
 234     assert_response :success
 235     assert_equal(expect_content, @response.body,
 236                  "failed to get a correct file from Keep using a reader token")
 237     assert_not_equal(read_token, session[:arvados_api_token],
 238                      "using a reader token set the session's API token")
 239   end
 240
 241   test "inactive user can retrieve user agreement" do
 242     ua_collection = api_fixture('collections')['user_agreement']
 243     # Here we don't test whether the agreement can be retrieved from
 244     # Keep. We only test that show_file decides to send file content,
 245     # so we use the file content stub.
 246     stub_file_content
 247     get :show_file, {
 248       uuid: ua_collection['uuid'],
 249       file: ua_collection['manifest_text'].match(/ \d+:\d+:(\S+)/)[1]
 250     }, session_for(:inactive)
 251     assert_nil(assigns(:unsigned_user_agreements),
 252                "Did not skip check_user_agreements filter " +
 253                "when showing the user agreement.")
 254     assert_response :success
 255   end
 256
 257   test "requesting nonexistent Collection returns 404" do
 258     show_collection({uuid: NONEXISTENT_COLLECTION, id: NONEXISTENT_COLLECTION},
 259                     :active, 404)
 260   end
 261
 262   test "use a reasonable read buffer even if client requests a huge range" do
 263     fakefiledata = mock
 264     IO.expects(:popen).returns(fakefiledata)
 265     fakefiledata.expects(:read).twice.with() do |length|
 266       # Fail the test if read() is called with length>1MiB:
 267       length < 2**20
 268       ## Force the ActionController::Live thread to lose the race to
 269       ## verify that @response.body.length actually waits for the
 270       ## response (see below):
 271       # sleep 3
 272     end.returns("foo\n", nil)
 273     fakefiledata.expects(:close)
 274     foo_file = api_fixture('collections')['foo_file']
 275     @request.headers['Range'] = 'bytes=0-4294967296/*'
 276     get :show_file, {
 277       uuid: foo_file['uuid'],
 278       file: foo_file['manifest_text'].match(/ \d+:\d+:(\S+)/)[1]
 279     }, session_for(:active)
 280     # Wait for the whole response to arrive before deciding whether
 281     # mocks' expectations were met. Otherwise, Mocha will fail the
 282     # test depending on how slowly the ActionController::Live thread
 283     # runs.
 284     @response.body.length
 285   end
 286
 287   test "show file in a subdirectory of a collection" do
 288     params = collection_params(:collection_with_files_in_subdir, 'subdir2/subdir3/subdir4/file1_in_subdir4.txt')
 289     expect_content = stub_file_content
 290     get(:show_file, params, session_for(:user1_with_load))
 291     assert_response :success
 292     assert_equal(expect_content, @response.body, "failed to get a correct file from Keep")
 293   end
 294
 295   test 'provenance graph' do
 296     use_token 'admin'
 297
 298     obj = find_fixture Collection, "graph_test_collection3"
 299
 300     provenance = obj.provenance.stringify_keys
 301
 302     [obj[:portable_data_hash]].each do |k|
 303       assert_not_nil provenance[k], "Expected key #{k} in provenance set"
 304     end
 305
 306     prov_svg = ProvenanceHelper::create_provenance_graph(provenance, "provenance_svg",
 307                                                          {:request => RequestDuck,
 308                                                            :direction => :bottom_up,
 309                                                            :combine_jobs => :script_only})
 310
 311     stage1 = find_fixture Job, "graph_stage1"
 312     stage3 = find_fixture Job, "graph_stage3"
 313     previous_job_run = find_fixture Job, "previous_job_run"
 314
 315     obj_id = obj.portable_data_hash.gsub('+', '\\\+')
 316     stage1_out = stage1.output.gsub('+', '\\\+')
 317     stage1_id = "#{stage1.script}_#{Digest::MD5.hexdigest(stage1[:script_parameters].to_json)}"
 318     stage3_id = "#{stage3.script}_#{Digest::MD5.hexdigest(stage3[:script_parameters].to_json)}"
 319
 320     assert /#{obj_id}&#45;&gt;#{stage3_id}/.match(prov_svg)
 321
 322     assert /#{stage3_id}&#45;&gt;#{stage1_out}/.match(prov_svg)
 323
 324     assert /#{stage1_out}&#45;&gt;#{stage1_id}/.match(prov_svg)
 325
 326   end
 327
 328   test 'used_by graph' do
 329     use_token 'admin'
 330     obj = find_fixture Collection, "graph_test_collection1"
 331
 332     used_by = obj.used_by.stringify_keys
 333
 334     used_by_svg = ProvenanceHelper::create_provenance_graph(used_by, "used_by_svg",
 335                                                             {:request => RequestDuck,
 336                                                               :direction => :top_down,
 337                                                               :combine_jobs => :script_only,
 338                                                               :pdata_only => true})
 339
 340     stage2 = find_fixture Job, "graph_stage2"
 341     stage3 = find_fixture Job, "graph_stage3"
 342
 343     stage2_id = "#{stage2.script}_#{Digest::MD5.hexdigest(stage2[:script_parameters].to_json)}"
 344     stage3_id = "#{stage3.script}_#{Digest::MD5.hexdigest(stage3[:script_parameters].to_json)}"
 345
 346     obj_id = obj.portable_data_hash.gsub('+', '\\\+')
 347     stage3_out = stage3.output.gsub('+', '\\\+')
 348
 349     assert /#{obj_id}&#45;&gt;#{stage2_id}/.match(used_by_svg)
 350
 351     assert /#{obj_id}&#45;&gt;#{stage3_id}/.match(used_by_svg)
 352
 353     assert /#{stage3_id}&#45;&gt;#{stage3_out}/.match(used_by_svg)
 354
 355     assert /#{stage3_id}&#45;&gt;#{stage3_out}/.match(used_by_svg)
 356
 357   end
 358
 359   test "view collection with empty properties" do
 360     fixture_name = :collection_with_empty_properties
 361     show_collection(fixture_name, :active)
 362     assert_equal(api_fixture('collections')[fixture_name.to_s]['name'], assigns(:object).name)
 363     assert_not_nil(assigns(:object).properties)
 364     assert_empty(assigns(:object).properties)
 365   end
 366
 367   test "view collection with one property" do
 368     fixture_name = :collection_with_one_property
 369     show_collection(fixture_name, :active)
 370     fixture = api_fixture('collections')[fixture_name.to_s]
 371     assert_equal(fixture['name'], assigns(:object).name)
 372     assert_equal(fixture['properties'][0], assigns(:object).properties[0])
 373   end
 374
 375   test "create collection with properties" do
 376     post :create, {
 377       collection: {
 378         name: 'collection created with properties',
 379         manifest_text: '',
 380         properties: {
 381           property_1: 'value_1'
 382         },
 383       },
 384       format: :json
 385     }, session_for(:active)
 386     assert_response :success
 387     assert_not_nil assigns(:object).uuid
 388     assert_equal 'collection created with properties', assigns(:object).name
 389     assert_equal 'value_1', assigns(:object).properties[:property_1]
 390   end
 391
 392   test "update description and check manifest_text is not lost" do
 393     collection = api_fixture("collections")["multilevel_collection_1"]
 394     post :update, {
 395       id: collection["uuid"],
 396       collection: {
 397         description: 'test description update'
 398       },
 399       format: :json
 400     }, session_for(:active)
 401     assert_response :success
 402     assert_not_nil assigns(:object)
 403     # Ensure the Workbench response still has the original manifest_text
 404     assert_equal 'test description update', assigns(:object).description
 405     assert_equal true, strip_signatures_and_compare(collection['manifest_text'], assigns(:object).manifest_text)
 406     # Ensure the API server still has the original manifest_text after
 407     # we called arvados.v1.collections.update
 408     use_token :active do
 409       assert_equal true, strip_signatures_and_compare(Collection.find(collection['uuid']).manifest_text,
 410                                                       collection['manifest_text'])
 411     end
 412   end
 413
 414   # Since we got the initial collection from fixture, there are no signatures in manifest_text.
 415   # However, after update or find, the collection retrieved will have singed manifest_text.
 416   # Hence, let's compare each line after excluding signatures.
 417   def strip_signatures_and_compare m1, m2
 418     m1_lines = m1.split "\n"
 419     m2_lines = m2.split "\n"
 420
 421     return false if m1_lines.size != m2_lines.size
 422
 423     m1_lines.each_with_index do |line, i|
 424       m1_words = []
 425       line.split.each do |word|
 426         m1_words << word.split('+A')[0]
 427       end
 428       m2_words = []
 429       m2_lines[i].split.each do |word|
 430         m2_words << word.split('+A')[0]
 431       end
 432       return false if !m1_words.join(' ').eql?(m2_words.join(' '))
 433     end
 434
 435     return true
 436   end
 437
 438   test "view collection and verify none of the file types listed are disabled" do
 439     show_collection(:collection_with_several_supported_file_types, :active)
 440
 441     files = assigns(:object).files
 442     assert_equal true, files.length>0, "Expected one or more files in collection"
 443
 444     disabled = css_select('[disabled="disabled"]').collect do |el|
 445       el
 446     end
 447     assert_equal 0, disabled.length, "Expected no disabled files in collection viewables list"
 448   end
 449
 450   test "view collection and verify file types listed are all disabled" do
 451     show_collection(:collection_with_several_unsupported_file_types, :active)
 452
 453     files = assigns(:object).files.collect do |_, file, _|
 454       file
 455     end
 456     assert_equal true, files.length>0, "Expected one or more files in collection"
 457
 458     disabled = css_select('[disabled="disabled"]').collect do |el|
 459       el.attributes['title'].split[-1]
 460     end
 461
 462     assert_equal files.sort, disabled.sort, "Expected to see all collection files in disabled list of files"
 463   end
 464
 465   test "anonymous user accesses collection in shared project" do
 466     config_anonymous true
 467     collection = api_fixture('collections')['public_text_file']
 468     get(:show, {id: collection['uuid']})
 469
 470     response_object = assigns(:object)
 471     assert_equal collection['name'], response_object['name']
 472     assert_equal collection['uuid'], response_object['uuid']
 473     assert_includes @response.body, 'Hello world'
 474     assert_includes @response.body, 'Content address'
 475     refute_nil css_select('[href="#Advanced"]')
 476   end
 477
 478   test "can view empty collection" do
 479     get :show, {id: 'd41d8cd98f00b204e9800998ecf8427e+0'}, session_for(:active)
 480     assert_includes @response.body, 'The following collections have this content'
 481   end
 482
 483   test "collection portable data hash redirect" do
 484     di = api_fixture('collections')['docker_image']
 485     get :show, {id: di['portable_data_hash']}, session_for(:active)
 486     assert_match /\/collections\/#{di['uuid']}/, @response.redirect_url
 487   end
 488
 489   test "collection portable data hash with multiple matches" do
 490     pdh = api_fixture('collections')['foo_file']['portable_data_hash']
 491     get :show, {id: pdh}, session_for(:admin)
 492     matches = api_fixture('collections').select {|k,v| v["portable_data_hash"] == pdh}
 493     assert matches.size > 1
 494
 495     matches.each do |k,v|
 496       assert_match /href="\/collections\/#{v['uuid']}">.*#{v['name']}<\/a>/, @response.body
 497     end
 498
 499     assert_includes @response.body, 'The following collections have this content:'
 500     assert_not_includes @response.body, 'more results are not shown'
 501     assert_not_includes @response.body, 'Activity'
 502     assert_not_includes @response.body, 'Sharing and permissions'
 503   end
 504
 505   test "collection page renders name" do
 506     collection = api_fixture('collections')['foo_file']
 507     get :show, {id: collection['uuid']}, session_for(:active)
 508     assert_includes @response.body, collection['name']
 509     assert_match /href="#{collection['uuid']}\/foo" ><\/i> foo</, @response.body
 510   end
 511
 512   test "No Upload tab on non-writable collection" do
 513     get :show, {id: api_fixture('collections')['user_agreement']['uuid']}, session_for(:active)
 514     assert_not_includes @response.body, '<a href="#Upload"'
 515   end
 516
 517   def setup_for_keep_web cfg='https://%{uuid_or_pdh}.example', dl_cfg=false
 518     Rails.configuration.keep_web_url = cfg
 519     Rails.configuration.keep_web_download_url = dl_cfg
 520     @controller.expects(:file_enumerator).never
 521   end
 522
 523   %w(uuid portable_data_hash).each do |id_type|
 524     test "Redirect to keep_web_url via #{id_type}" do
 525       setup_for_keep_web
 526       tok = api_fixture('api_client_authorizations')['active']['api_token']
 527       id = api_fixture('collections')['w_a_z_file'][id_type]
 528       get :show_file, {uuid: id, file: "w a z"}, session_for(:active)
 529       assert_response :redirect
 530       assert_equal "https://#{id.sub '+', '-'}.example/_/w%20a%20z?api_token=#{tok}", @response.redirect_url
 531     end
 532
 533     test "Redirect to keep_web_url via #{id_type} with reader token" do
 534       setup_for_keep_web
 535       tok = api_fixture('api_client_authorizations')['active']['api_token']
 536       id = api_fixture('collections')['w_a_z_file'][id_type]
 537       get :show_file, {uuid: id, file: "w a z", reader_token: tok}, session_for(:expired)
 538       assert_response :redirect
 539       assert_equal "https://#{id.sub '+', '-'}.example/t=#{tok}/_/w%20a%20z", @response.redirect_url
 540     end
 541
 542     test "Redirect to keep_web_url via #{id_type} with no token" do
 543       setup_for_keep_web
 544       config_anonymous true
 545       id = api_fixture('collections')['public_text_file'][id_type]
 546       get :show_file, {uuid: id, file: "Hello World.txt"}
 547       assert_response :redirect
 548       assert_equal "https://#{id.sub '+', '-'}.example/_/Hello%20World.txt", @response.redirect_url
 549     end
 550
 551     test "Redirect to keep_web_url via #{id_type} with disposition param" do
 552       setup_for_keep_web
 553       config_anonymous true
 554       id = api_fixture('collections')['public_text_file'][id_type]
 555       get :show_file, {
 556         uuid: id,
 557         file: "Hello World.txt",
 558         disposition: 'attachment',
 559       }
 560       assert_response :redirect
 561       assert_equal "https://#{id.sub '+', '-'}.example/_/Hello%20World.txt?disposition=attachment", @response.redirect_url
 562     end
 563
 564     test "Redirect to keep_web_download_url via #{id_type}" do
 565       setup_for_keep_web('https://collections.example/c=%{uuid_or_pdh}',
 566                          'https://download.example/c=%{uuid_or_pdh}')
 567       tok = api_fixture('api_client_authorizations')['active']['api_token']
 568       id = api_fixture('collections')['w_a_z_file'][id_type]
 569       get :show_file, {uuid: id, file: "w a z"}, session_for(:active)
 570       assert_response :redirect
 571       assert_equal "https://download.example/c=#{id.sub '+', '-'}/_/w%20a%20z?api_token=#{tok}", @response.redirect_url
 572     end
 573
 574     test "Redirect to keep_web_url via #{id_type} when trust_all_content enabled" do
 575       Rails.configuration.trust_all_content = true
 576       setup_for_keep_web('https://collections.example/c=%{uuid_or_pdh}',
 577                          'https://download.example/c=%{uuid_or_pdh}')
 578       tok = api_fixture('api_client_authorizations')['active']['api_token']
 579       id = api_fixture('collections')['w_a_z_file'][id_type]
 580       get :show_file, {uuid: id, file: "w a z"}, session_for(:active)
 581       assert_response :redirect
 582       assert_equal "https://collections.example/c=#{id.sub '+', '-'}/_/w%20a%20z?api_token=#{tok}", @response.redirect_url
 583     end
 584   end
 585
 586   [false, true].each do |anon|
 587     test "No redirect to keep_web_url if collection not found, anon #{anon}" do
 588       setup_for_keep_web
 589       config_anonymous anon
 590       id = api_fixture('collections')['w_a_z_file']['uuid']
 591       get :show_file, {uuid: id, file: "w a z"}, session_for(:spectator)
 592       assert_response 404
 593     end
 594
 595     test "Redirect download to keep_web_download_url, anon #{anon}" do
 596       config_anonymous anon
 597       setup_for_keep_web('https://collections.example/c=%{uuid_or_pdh}',
 598                          'https://download.example/c=%{uuid_or_pdh}')
 599       tok = api_fixture('api_client_authorizations')['active']['api_token']
 600       id = api_fixture('collections')['public_text_file']['uuid']
 601       get :show_file, {
 602         uuid: id,
 603         file: 'Hello world.txt',
 604         disposition: 'attachment',
 605       }, session_for(:active)
 606       assert_response :redirect
 607       expect_url = "https://download.example/c=#{id.sub '+', '-'}/_/Hello%20world.txt"
 608       if not anon
 609         expect_url += "?api_token=#{tok}"
 610       end
 611       assert_equal expect_url, @response.redirect_url
 612     end
 613   end
 614
 615   test "Error if file is impossible to retrieve from keep_web_url" do
 616     # Cannot pass a session token using a single-origin keep-web URL,
 617     # cannot read this collection without a session token.
 618     setup_for_keep_web 'https://collections.example/c=%{uuid_or_pdh}', false
 619     id = api_fixture('collections')['w_a_z_file']['uuid']
 620     get :show_file, {uuid: id, file: "w a z"}, session_for(:active)
 621     assert_response 422
 622   end
 623
 624   [false, true].each do |trust_all_content|
 625     test "Redirect preview to keep_web_download_url when preview is disabled and trust_all_content is #{trust_all_content}" do
 626       Rails.configuration.trust_all_content = trust_all_content
 627       setup_for_keep_web false, 'https://download.example/c=%{uuid_or_pdh}'
 628       tok = api_fixture('api_client_authorizations')['active']['api_token']
 629       id = api_fixture('collections')['w_a_z_file']['uuid']
 630       get :show_file, {uuid: id, file: "w a z"}, session_for(:active)
 631       assert_response :redirect
 632       assert_equal "https://download.example/c=#{id.sub '+', '-'}/_/w%20a%20z?api_token=#{tok}", @response.redirect_url
 633     end
 634   end
 635 end