services/api/test/unit/collection_test.rb

   1 # Copyright (C) The Arvados Authors. All rights reserved.
   2 #
   3 # SPDX-License-Identifier: AGPL-3.0
   4
   5 require 'test_helper'
   6 require 'sweep_trashed_objects'
   7
   8 class CollectionTest < ActiveSupport::TestCase
   9   include DbCurrentTime
  10
  11   def create_collection name, enc=nil
  12     txt = ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:#{name}.txt\n"
  13     txt.force_encoding(enc) if enc
  14     return Collection.create(manifest_text: txt, name: name)
  15   end
  16
  17   test 'accept ASCII manifest_text' do
  18     act_as_system_user do
  19       c = create_collection 'foo', Encoding::US_ASCII
  20       assert c.valid?
  21     end
  22   end
  23
  24   test 'accept UTF-8 manifest_text' do
  25     act_as_system_user do
  26       c = create_collection "f\xc3\x98\xc3\x98", Encoding::UTF_8
  27       assert c.valid?
  28     end
  29   end
  30
  31   test 'refuse manifest_text with invalid UTF-8 byte sequence' do
  32     act_as_system_user do
  33       c = create_collection "f\xc8o", Encoding::UTF_8
  34       assert !c.valid?
  35       assert_equal [:manifest_text], c.errors.messages.keys
  36       assert_match(/UTF-8/, c.errors.messages[:manifest_text].first)
  37     end
  38   end
  39
  40   test 'refuse manifest_text with non-UTF-8 encoding' do
  41     act_as_system_user do
  42       c = create_collection "f\xc8o", Encoding::ASCII_8BIT
  43       assert !c.valid?
  44       assert_equal [:manifest_text], c.errors.messages.keys
  45       assert_match(/UTF-8/, c.errors.messages[:manifest_text].first)
  46     end
  47   end
  48
  49   [
  50     ". 0:0:foo.txt",
  51     ". d41d8cd98f00b204e9800998ecf8427e foo.txt",
  52     "d41d8cd98f00b204e9800998ecf8427e 0:0:foo.txt",
  53     ". d41d8cd98f00b204e9800998ecf8427e 0:0:foo.txt",
  54   ].each do |manifest_text|
  55     test "create collection with invalid manifest text #{manifest_text} and expect error" do
  56       act_as_system_user do
  57         c = Collection.create(manifest_text: manifest_text)
  58         assert !c.valid?
  59       end
  60     end
  61   end
  62
  63   [
  64     nil,
  65     "",
  66     ". d41d8cd98f00b204e9800998ecf8427e 0:0:foo.txt\n",
  67   ].each do |manifest_text|
  68     test "create collection with valid manifest text #{manifest_text.inspect} and expect success" do
  69       act_as_system_user do
  70         c = Collection.create(manifest_text: manifest_text)
  71         assert c.valid?
  72       end
  73     end
  74   end
  75
  76   [
  77     ". 0:0:foo.txt",
  78     ". d41d8cd98f00b204e9800998ecf8427e foo.txt",
  79     "d41d8cd98f00b204e9800998ecf8427e 0:0:foo.txt",
  80     ". d41d8cd98f00b204e9800998ecf8427e 0:0:foo.txt",
  81   ].each do |manifest_text|
  82     test "update collection with invalid manifest text #{manifest_text} and expect error" do
  83       act_as_system_user do
  84         c = create_collection 'foo', Encoding::US_ASCII
  85         assert c.valid?
  86
  87         c.update_attribute 'manifest_text', manifest_text
  88         assert !c.valid?
  89       end
  90     end
  91   end
  92
  93   [
  94     nil,
  95     "",
  96     ". d41d8cd98f00b204e9800998ecf8427e 0:0:foo.txt\n",
  97   ].each do |manifest_text|
  98     test "update collection with valid manifest text #{manifest_text.inspect} and expect success" do
  99       act_as_system_user do
 100         c = create_collection 'foo', Encoding::US_ASCII
 101         assert c.valid?
 102
 103         c.update_attribute 'manifest_text', manifest_text
 104         assert c.valid?
 105       end
 106     end
 107   end
 108
 109   test "uuid updates on current version make older versions update their pointers" do
 110     Rails.configuration.collection_versioning = true
 111     act_as_system_user do
 112       # Set up initial collection
 113       c = create_collection 'foo', Encoding::US_ASCII
 114       assert c.valid?
 115       assert_equal 1, c.version
 116       # Make changes so that a new version is created
 117       c.update_attributes!({'name' => 'bar'})
 118       c.reload
 119       assert_equal 2, c.version
 120       assert_equal 2, Collection.where(current_version_uuid: c.uuid).count
 121       new_uuid = 'zzzzz-4zz18-somefakeuuidnow'
 122       assert_empty Collection.where(uuid: new_uuid)
 123       # Update UUID on current version, check that both collections point to it
 124       c.update_attributes!({'uuid' => new_uuid})
 125       c.reload
 126       assert_equal new_uuid, c.uuid
 127       assert_equal 2, Collection.where(current_version_uuid: new_uuid).count
 128     end
 129   end
 130
 131   [
 132     ['owner_uuid', 'zzzzz-tpzed-d9tiejq69daie8f', 'zzzzz-tpzed-xurymjxw79nv3jz'],
 133     ['replication_desired', 2, 3],
 134     ['storage_classes_desired', ['hot'], ['archive']],
 135     ['is_trashed', true, false],
 136   ].each do |attr, first_val, second_val|
 137     test "sync #{attr} with older versions" do
 138       Rails.configuration.collection_versioning = true
 139       act_as_system_user do
 140         # Set up initial collection
 141         c = create_collection 'foo', Encoding::US_ASCII
 142         assert c.valid?
 143         assert_equal 1, c.version
 144         assert_not_equal first_val, c.attributes[attr]
 145         # Make changes so that a new version is created and a synced field is
 146         # updated on both
 147         c.update_attributes!({'name' => 'bar', attr => first_val})
 148         c.reload
 149         assert_equal 2, c.version
 150         assert_equal first_val, c.attributes[attr]
 151         assert_equal 2, Collection.where(current_version_uuid: c.uuid).count
 152         assert_equal first_val, Collection.where(current_version_uuid: c.uuid, version: 1).first.attributes[attr]
 153         # Only make an update on the same synced field & check that the previously
 154         # created version also gets it.
 155         c.update_attributes!({attr => second_val})
 156         c.reload
 157         assert_equal 2, c.version
 158         assert_equal second_val, c.attributes[attr]
 159         assert_equal 2, Collection.where(current_version_uuid: c.uuid).count
 160         assert_equal second_val, Collection.where(current_version_uuid: c.uuid, version: 1).first.attributes[attr]
 161       end
 162     end
 163   end
 164
 165   [
 166     [false, 'name', 'bar', false],
 167     [false, 'description', 'The quick brown fox jumps over the lazy dog', false],
 168     [false, 'properties', {'new_version' => true}, false],
 169     [false, 'manifest_text', ". d41d8cd98f00b204e9800998ecf8427e 0:0:foo.txt\n", false],
 170     [true, 'name', 'bar', true],
 171     [true, 'description', 'The quick brown fox jumps over the lazy dog', true],
 172     [true, 'properties', {'new_version' => true}, true],
 173     [true, 'manifest_text', ". d41d8cd98f00b204e9800998ecf8427e 0:0:foo.txt\n", true],
 174     # Non-versionable attribute updates shouldn't create new versions
 175     [true, 'replication_desired', 5, false],
 176     [false, 'replication_desired', 5, false],
 177   ].each do |versioning, attr, val, new_version_expected|
 178     test "update #{attr} with versioning #{versioning ? '' : 'not '}enabled should #{new_version_expected ? '' : 'not '}create a new version" do
 179       Rails.configuration.collection_versioning = versioning
 180       act_as_system_user do
 181         # Create initial collection
 182         c = create_collection 'foo', Encoding::US_ASCII
 183         assert c.valid?
 184         assert_equal 'foo', c.name
 185
 186         # Check current version attributes
 187         assert_equal 1, c.version
 188         assert_equal c.uuid, c.current_version_uuid
 189
 190         # Update attribute and check if version number should be incremented
 191         old_value = c.attributes[attr]
 192         c.update_attributes!({attr => val})
 193         assert_equal new_version_expected, c.version == 2
 194         assert_equal val, c.attributes[attr]
 195
 196         if versioning && new_version_expected
 197           # Search for the snapshot & previous value
 198           assert_equal 2, Collection.where(current_version_uuid: c.uuid).count
 199           s = Collection.where(current_version_uuid: c.uuid, version: 1).first
 200           assert_not_nil s
 201           assert_equal old_value, s.attributes[attr]
 202         else
 203           # If versioning is disabled or no versionable attribute was updated,
 204           # only the current version should exist
 205           assert_equal 1, Collection.where(current_version_uuid: c.uuid).count
 206           assert_equal c, Collection.where(current_version_uuid: c.uuid).first
 207         end
 208       end
 209     end
 210   end
 211
 212   test 'with versioning enabled, simultaneous updates increment version correctly' do
 213     Rails.configuration.collection_versioning = true
 214     act_as_system_user do
 215       # Create initial collection
 216       col = create_collection 'foo', Encoding::US_ASCII
 217       assert col.valid?
 218       assert_equal 1, col.version
 219
 220       # Simulate simultaneous updates
 221       c1 = Collection.where(uuid: col.uuid).first
 222       assert_equal 1, c1.version
 223       c1.name = 'bar'
 224       c2 = Collection.where(uuid: col.uuid).first
 225       c2.description = 'foo collection'
 226       c1.save!
 227       assert_equal 1, c2.version
 228       # with_lock forces a reload, so this shouldn't produce an unique violation error
 229       c2.save!
 230       assert_equal 3, c2.version
 231       assert_equal 'foo collection', c2.description
 232     end
 233   end
 234
 235   test 'create and update collection and verify file_names' do
 236     act_as_system_user do
 237       c = create_collection 'foo', Encoding::US_ASCII
 238       assert c.valid?
 239       created_file_names = c.file_names
 240       assert created_file_names
 241       assert_match(/foo.txt/, c.file_names)
 242
 243       c.update_attribute 'manifest_text', ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:foo2.txt\n"
 244       assert_not_equal created_file_names, c.file_names
 245       assert_match(/foo2.txt/, c.file_names)
 246     end
 247   end
 248
 249   [
 250     [2**8, false],
 251     [2**18, true],
 252   ].each do |manifest_size, allow_truncate|
 253     test "create collection with manifest size #{manifest_size} with allow_truncate=#{allow_truncate},
 254           and not expect exceptions even on very large manifest texts" do
 255       # file_names has a max size, hence there will be no errors even on large manifests
 256       act_as_system_user do
 257         manifest_text = ''
 258         index = 0
 259         while manifest_text.length < manifest_size
 260           manifest_text += "./blurfl d41d8cd98f00b204e9800998ecf8427e+0 0:0:veryverylongfilename000000000000#{index}.txt\n"
 261           index += 1
 262         end
 263         manifest_text += "./laststreamname d41d8cd98f00b204e9800998ecf8427e+0 0:0:veryverylastfilename.txt\n"
 264         c = Collection.create(manifest_text: manifest_text)
 265
 266         assert c.valid?
 267         assert c.file_names
 268         assert_match(/veryverylongfilename0000000000001.txt/, c.file_names)
 269         assert_match(/veryverylongfilename0000000000002.txt/, c.file_names)
 270         if not allow_truncate
 271           assert_match(/veryverylastfilename/, c.file_names)
 272           assert_match(/laststreamname/, c.file_names)
 273         end
 274       end
 275     end
 276   end
 277
 278   test "full text search for collections" do
 279     # file_names column does not get populated when fixtures are loaded, hence setup test data
 280     act_as_system_user do
 281       Collection.create(manifest_text: ". acbd18db4cc2f85cedef654fccc4a4d8+3 0:3:foo\n")
 282       Collection.create(manifest_text: ". 37b51d194a7513e45b56f6524f2d51f2+3 0:3:bar\n")
 283       Collection.create(manifest_text: ". 85877ca2d7e05498dd3d109baf2df106+95+A3a4e26a366ee7e4ed3e476ccf05354761be2e4ae@545a9920 0:95:file_in_subdir1\n./subdir2/subdir3 2bbc341c702df4d8f42ec31f16c10120+64+A315d7e7bad2ce937e711fc454fae2d1194d14d64@545a9920 0:32:file1.txt 32:32:file2.txt\n./subdir2/subdir3/subdir4 2bbc341c702df4d8f42ec31f16c10120+64+A315d7e7bad2ce937e711fc454fae2d1194d14d64@545a9920 0:32:file3.txt 32:32:file4.txt\n")
 284     end
 285
 286     [
 287       ['foo', true],
 288       ['foo bar', false],                     # no collection matching both
 289       ['foo&bar', false],                     # no collection matching both
 290       ['foo|bar', true],                      # works only no spaces between the words
 291       ['Gnu public', true],                   # both prefixes found, though not consecutively
 292       ['Gnu&public', true],                   # both prefixes found, though not consecutively
 293       ['file4', true],                        # prefix match
 294       ['file4.txt', true],                    # whole string match
 295       ['filex', false],                       # no such prefix
 296       ['subdir', true],                       # prefix matches
 297       ['subdir2', true],
 298       ['subdir2/', true],
 299       ['subdir2/subdir3', true],
 300       ['subdir2/subdir3/subdir4', true],
 301       ['subdir2 file4', true],                # look for both prefixes
 302       ['subdir4', false],                     # not a prefix match
 303     ].each do |search_filter, expect_results|
 304       search_filters = search_filter.split.each {|s| s.concat(':*')}.join('&')
 305       results = Collection.where("#{Collection.full_text_tsvector} @@ to_tsquery(?)",
 306                                  "#{search_filters}")
 307       if expect_results
 308         refute_empty results
 309       else
 310         assert_empty results
 311       end
 312     end
 313   end
 314
 315   test 'portable data hash with missing size hints' do
 316     [[". d41d8cd98f00b204e9800998ecf8427e+0+Bar 0:0:x\n",
 317       ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:x\n"],
 318      [". d41d8cd98f00b204e9800998ecf8427e+Foo 0:0:x\n",
 319       ". d41d8cd98f00b204e9800998ecf8427e 0:0:x\n"],
 320      [". d41d8cd98f00b204e9800998ecf8427e 0:0:x\n",
 321       ". d41d8cd98f00b204e9800998ecf8427e 0:0:x\n"],
 322     ].each do |unportable, portable|
 323       c = Collection.new(manifest_text: unportable)
 324       assert c.valid?
 325       assert_equal(Digest::MD5.hexdigest(portable)+"+#{portable.length}",
 326                    c.portable_data_hash)
 327     end
 328   end
 329
 330   pdhmanifest = ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:x\n"
 331   pdhmd5 = Digest::MD5.hexdigest pdhmanifest
 332   [[true, nil],
 333    [true, pdhmd5],
 334    [true, pdhmd5+'+12345'],
 335    [true, pdhmd5+'+'+pdhmanifest.length.to_s],
 336    [true, pdhmd5+'+12345+Foo'],
 337    [true, pdhmd5+'+Foo'],
 338    [false, Digest::MD5.hexdigest(pdhmanifest.strip)],
 339    [false, Digest::MD5.hexdigest(pdhmanifest.strip)+'+'+pdhmanifest.length.to_s],
 340    [false, pdhmd5[0..30]],
 341    [false, pdhmd5[0..30]+'z'],
 342    [false, pdhmd5[0..24]+'000000000'],
 343    [false, pdhmd5[0..24]+'000000000+0']].each do |isvalid, pdh|
 344     test "portable_data_hash #{pdh.inspect} valid? == #{isvalid}" do
 345       c = Collection.new manifest_text: pdhmanifest, portable_data_hash: pdh
 346       assert_equal isvalid, c.valid?, c.errors.full_messages.to_s
 347     end
 348   end
 349
 350   test "storage_classes_desired cannot be empty" do
 351     act_as_user users(:active) do
 352       c = collections(:collection_owned_by_active)
 353       c.update_attributes storage_classes_desired: ["hot"]
 354       assert_equal ["hot"], c.storage_classes_desired
 355       assert_raise ArvadosModel::InvalidStateTransitionError do
 356         c.update_attributes storage_classes_desired: []
 357       end
 358     end
 359   end
 360
 361   test "storage classes lists should only contain non-empty strings" do
 362     c = collections(:storage_classes_desired_default_unconfirmed)
 363     act_as_user users(:admin) do
 364       assert c.update_attributes(storage_classes_desired: ["default", "a_string"],
 365                                  storage_classes_confirmed: ["another_string"])
 366       [
 367         ["storage_classes_desired", ["default", 42]],
 368         ["storage_classes_confirmed", [{the_answer: 42}]],
 369         ["storage_classes_desired", ["default", ""]],
 370         ["storage_classes_confirmed", [""]],
 371       ].each do |attr, val|
 372         assert_raise ArvadosModel::InvalidStateTransitionError do
 373           assert c.update_attributes({attr => val})
 374         end
 375       end
 376     end
 377   end
 378
 379   test "storage_classes_confirmed* can be set by admin user" do
 380     c = collections(:storage_classes_desired_default_unconfirmed)
 381     act_as_user users(:admin) do
 382       assert c.update_attributes(storage_classes_confirmed: ["default"],
 383                                  storage_classes_confirmed_at: Time.now)
 384     end
 385   end
 386
 387   test "storage_classes_confirmed* cannot be set by non-admin user" do
 388     act_as_user users(:active) do
 389       c = collections(:storage_classes_desired_default_unconfirmed)
 390       # Cannot set just one at a time.
 391       assert_raise ArvadosModel::PermissionDeniedError do
 392         c.update_attributes storage_classes_confirmed: ["default"]
 393       end
 394       c.reload
 395       assert_raise ArvadosModel::PermissionDeniedError do
 396         c.update_attributes storage_classes_confirmed_at: Time.now
 397       end
 398       # Cannot set bot at once, either.
 399       c.reload
 400       assert_raise ArvadosModel::PermissionDeniedError do
 401         assert c.update_attributes(storage_classes_confirmed: ["default"],
 402                                    storage_classes_confirmed_at: Time.now)
 403       end
 404     end
 405   end
 406
 407   test "storage_classes_confirmed* can be cleared (but only together) by non-admin user" do
 408     act_as_user users(:active) do
 409       c = collections(:storage_classes_desired_default_confirmed_default)
 410       # Cannot clear just one at a time.
 411       assert_raise ArvadosModel::PermissionDeniedError do
 412         c.update_attributes storage_classes_confirmed: []
 413       end
 414       c.reload
 415       assert_raise ArvadosModel::PermissionDeniedError do
 416         c.update_attributes storage_classes_confirmed_at: nil
 417       end
 418       # Can clear both at once.
 419       c.reload
 420       assert c.update_attributes(storage_classes_confirmed: [],
 421                                  storage_classes_confirmed_at: nil)
 422     end
 423   end
 424
 425   [0, 2, 4, nil].each do |ask|
 426     test "set replication_desired to #{ask.inspect}" do
 427       Rails.configuration.default_collection_replication = 2
 428       act_as_user users(:active) do
 429         c = collections(:replication_undesired_unconfirmed)
 430         c.update_attributes replication_desired: ask
 431         assert_equal ask, c.replication_desired
 432       end
 433     end
 434   end
 435
 436   test "replication_confirmed* can be set by admin user" do
 437     c = collections(:replication_desired_2_unconfirmed)
 438     act_as_user users(:admin) do
 439       assert c.update_attributes(replication_confirmed: 2,
 440                                  replication_confirmed_at: Time.now)
 441     end
 442   end
 443
 444   test "replication_confirmed* cannot be set by non-admin user" do
 445     act_as_user users(:active) do
 446       c = collections(:replication_desired_2_unconfirmed)
 447       # Cannot set just one at a time.
 448       assert_raise ArvadosModel::PermissionDeniedError do
 449         c.update_attributes replication_confirmed: 1
 450       end
 451       assert_raise ArvadosModel::PermissionDeniedError do
 452         c.update_attributes replication_confirmed_at: Time.now
 453       end
 454       # Cannot set both at once, either.
 455       assert_raise ArvadosModel::PermissionDeniedError do
 456         c.update_attributes(replication_confirmed: 1,
 457                             replication_confirmed_at: Time.now)
 458       end
 459     end
 460   end
 461
 462   test "replication_confirmed* can be cleared (but only together) by non-admin user" do
 463     act_as_user users(:active) do
 464       c = collections(:replication_desired_2_confirmed_2)
 465       # Cannot clear just one at a time.
 466       assert_raise ArvadosModel::PermissionDeniedError do
 467         c.update_attributes replication_confirmed: nil
 468       end
 469       c.reload
 470       assert_raise ArvadosModel::PermissionDeniedError do
 471         c.update_attributes replication_confirmed_at: nil
 472       end
 473       # Can clear both at once.
 474       c.reload
 475       assert c.update_attributes(replication_confirmed: nil,
 476                                  replication_confirmed_at: nil)
 477     end
 478   end
 479
 480   test "clear replication_confirmed* when introducing a new block in manifest" do
 481     c = collections(:replication_desired_2_confirmed_2)
 482     act_as_user users(:active) do
 483       assert c.update_attributes(manifest_text: collections(:user_agreement).signed_manifest_text)
 484       assert_nil c.replication_confirmed
 485       assert_nil c.replication_confirmed_at
 486     end
 487   end
 488
 489   test "don't clear replication_confirmed* when just renaming a file" do
 490     c = collections(:replication_desired_2_confirmed_2)
 491     act_as_user users(:active) do
 492       new_manifest = c.signed_manifest_text.sub(':bar', ':foo')
 493       assert c.update_attributes(manifest_text: new_manifest)
 494       assert_equal 2, c.replication_confirmed
 495       assert_not_nil c.replication_confirmed_at
 496     end
 497   end
 498
 499   test "don't clear replication_confirmed* when just deleting a data block" do
 500     c = collections(:replication_desired_2_confirmed_2)
 501     act_as_user users(:active) do
 502       new_manifest = c.signed_manifest_text
 503       new_manifest.sub!(/ \S+:bar/, '')
 504       new_manifest.sub!(/ acbd\S+/, '')
 505
 506       # Confirm that we did just remove a block from the manifest (if
 507       # not, this test would pass without testing the relevant case):
 508       assert_operator new_manifest.length+40, :<, c.signed_manifest_text.length
 509
 510       assert c.update_attributes(manifest_text: new_manifest)
 511       assert_equal 2, c.replication_confirmed
 512       assert_not_nil c.replication_confirmed_at
 513     end
 514   end
 515
 516   test 'signature expiry does not exceed trash_at' do
 517     act_as_user users(:active) do
 518       t0 = db_current_time
 519       c = Collection.create!(manifest_text: ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:x\n", name: 'foo')
 520       c.update_attributes! trash_at: (t0 + 1.hours)
 521       c.reload
 522       sig_exp = /\+A[0-9a-f]{40}\@([0-9]+)/.match(c.signed_manifest_text)[1].to_i
 523       assert_operator sig_exp.to_i, :<=, (t0 + 1.hours).to_i
 524     end
 525   end
 526
 527   test 'far-future expiry date cannot be used to circumvent configured permission ttl' do
 528     act_as_user users(:active) do
 529       c = Collection.create!(manifest_text: ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:x\n",
 530                              name: 'foo',
 531                              trash_at: db_current_time + 1.years)
 532       sig_exp = /\+A[0-9a-f]{40}\@([0-9]+)/.match(c.signed_manifest_text)[1].to_i
 533       expect_max_sig_exp = db_current_time.to_i + Rails.configuration.blob_signature_ttl
 534       assert_operator c.trash_at.to_i, :>, expect_max_sig_exp
 535       assert_operator sig_exp.to_i, :<=, expect_max_sig_exp
 536     end
 537   end
 538
 539   test "create collection with properties" do
 540     act_as_system_user do
 541       c = Collection.create(manifest_text: ". acbd18db4cc2f85cedef654fccc4a4d8+3 0:3:foo\n",
 542                             properties: {'property_1' => 'value_1'})
 543       assert c.valid?
 544       assert_equal 'value_1', c.properties['property_1']
 545     end
 546   end
 547
 548   test 'create, delete, recreate collection with same name and owner' do
 549     act_as_user users(:active) do
 550       # create collection with name
 551       c = Collection.create(manifest_text: '',
 552                             name: "test collection name")
 553       assert c.valid?
 554       uuid = c.uuid
 555
 556       c = Collection.readable_by(current_user).where(uuid: uuid)
 557       assert_not_empty c, 'Should be able to find live collection'
 558
 559       # mark collection as expired
 560       c.first.update_attributes!(trash_at: Time.new.strftime("%Y-%m-%d"))
 561       c = Collection.readable_by(current_user).where(uuid: uuid)
 562       assert_empty c, 'Should not be able to find expired collection'
 563
 564       # recreate collection with the same name
 565       c = Collection.create(manifest_text: '',
 566                             name: "test collection name")
 567       assert c.valid?
 568     end
 569   end
 570
 571   test 'trash_at cannot be set too far in the past' do
 572     act_as_user users(:active) do
 573       t0 = db_current_time
 574       c = Collection.create!(manifest_text: '', name: 'foo')
 575       c.update_attributes! trash_at: (t0 - 2.weeks)
 576       c.reload
 577       assert_operator c.trash_at, :>, t0
 578     end
 579   end
 580
 581   now = Time.now
 582   [['trash-to-delete interval negative',
 583     :collection_owned_by_active,
 584     {trash_at: now+2.weeks, delete_at: now},
 585     {state: :invalid}],
 586    ['now-to-delete interval short',
 587     :collection_owned_by_active,
 588     {trash_at: now+3.days, delete_at: now+7.days},
 589     {state: :trash_future}],
 590    ['now-to-delete interval short, trash=delete',
 591     :collection_owned_by_active,
 592     {trash_at: now+3.days, delete_at: now+3.days},
 593     {state: :trash_future}],
 594    ['trash-to-delete interval ok',
 595     :collection_owned_by_active,
 596     {trash_at: now, delete_at: now+15.days},
 597     {state: :trash_now}],
 598    ['trash-to-delete interval short, but far enough in future',
 599     :collection_owned_by_active,
 600     {trash_at: now+13.days, delete_at: now+15.days},
 601     {state: :trash_future}],
 602    ['trash by setting is_trashed bool',
 603     :collection_owned_by_active,
 604     {is_trashed: true},
 605     {state: :trash_now}],
 606    ['trash in future by setting just trash_at',
 607     :collection_owned_by_active,
 608     {trash_at: now+1.week},
 609     {state: :trash_future}],
 610    ['trash in future by setting trash_at and delete_at',
 611     :collection_owned_by_active,
 612     {trash_at: now+1.week, delete_at: now+4.weeks},
 613     {state: :trash_future}],
 614    ['untrash by clearing is_trashed bool',
 615     :expired_collection,
 616     {is_trashed: false},
 617     {state: :not_trash}],
 618   ].each do |test_name, fixture_name, updates, expect|
 619     test test_name do
 620       act_as_user users(:active) do
 621         min_exp = (db_current_time +
 622                    Rails.configuration.blob_signature_ttl.seconds)
 623         if fixture_name == :expired_collection
 624           # Fixture-finder shorthand doesn't find trashed collections
 625           # because they're not in the default scope.
 626           c = Collection.find_by_uuid('zzzzz-4zz18-mto52zx1s7sn3ih')
 627         else
 628           c = collections(fixture_name)
 629         end
 630         updates_ok = c.update_attributes(updates)
 631         expect_valid = expect[:state] != :invalid
 632         assert_equal expect_valid, updates_ok, c.errors.full_messages.to_s
 633         case expect[:state]
 634         when :invalid
 635           refute c.valid?
 636         when :trash_now
 637           assert c.is_trashed
 638           assert_not_nil c.trash_at
 639           assert_operator c.trash_at, :<=, db_current_time
 640           assert_not_nil c.delete_at
 641           assert_operator c.delete_at, :>=, min_exp
 642         when :trash_future
 643           refute c.is_trashed
 644           assert_not_nil c.trash_at
 645           assert_operator c.trash_at, :>, db_current_time
 646           assert_not_nil c.delete_at
 647           assert_operator c.delete_at, :>=, c.trash_at
 648           # Currently this minimum interval is needed to prevent early
 649           # garbage collection:
 650           assert_operator c.delete_at, :>=, min_exp
 651         when :not_trash
 652           refute c.is_trashed
 653           assert_nil c.trash_at
 654           assert_nil c.delete_at
 655         else
 656           raise "bad expect[:state]==#{expect[:state].inspect} in test case"
 657         end
 658       end
 659     end
 660   end
 661
 662   test 'default trash interval > blob signature ttl' do
 663     Rails.configuration.default_trash_lifetime = 86400 * 21 # 3 weeks
 664     start = db_current_time
 665     act_as_user users(:active) do
 666       c = Collection.create!(manifest_text: '', name: 'foo')
 667       c.update_attributes!(trash_at: start + 86400.seconds)
 668       assert_operator c.delete_at, :>=, start + (86400*22).seconds
 669       assert_operator c.delete_at, :<, start + (86400*22 + 30).seconds
 670       c.destroy
 671
 672       c = Collection.create!(manifest_text: '', name: 'foo')
 673       c.update_attributes!(is_trashed: true)
 674       assert_operator c.delete_at, :>=, start + (86400*21).seconds
 675     end
 676   end
 677
 678   test "find_all_for_docker_image resolves names that look like hashes" do
 679     coll_list = Collection.
 680       find_all_for_docker_image('a' * 64, nil, [users(:active)])
 681     coll_uuids = coll_list.map(&:uuid)
 682     assert_includes(coll_uuids, collections(:docker_image).uuid)
 683   end
 684
 685   test "move collections to trash in SweepTrashedObjects" do
 686     c = collections(:trashed_on_next_sweep)
 687     refute_empty Collection.where('uuid=? and is_trashed=false', c.uuid)
 688     assert_raises(ActiveRecord::RecordNotUnique) do
 689       act_as_user users(:active) do
 690         Collection.create!(owner_uuid: c.owner_uuid,
 691                            name: c.name)
 692       end
 693     end
 694     SweepTrashedObjects.sweep_now
 695     c = Collection.where('uuid=? and is_trashed=true', c.uuid).first
 696     assert c
 697     act_as_user users(:active) do
 698       assert Collection.create!(owner_uuid: c.owner_uuid,
 699                                 name: c.name)
 700     end
 701   end
 702
 703   test "delete collections in SweepTrashedObjects" do
 704     uuid = 'zzzzz-4zz18-3u1p5umicfpqszp' # deleted_on_next_sweep
 705     assert_not_empty Collection.where(uuid: uuid)
 706     SweepTrashedObjects.sweep_now
 707     assert_empty Collection.where(uuid: uuid)
 708   end
 709
 710   test "delete referring links in SweepTrashedObjects" do
 711     uuid = collections(:trashed_on_next_sweep).uuid
 712     act_as_system_user do
 713       Link.create!(head_uuid: uuid,
 714                    tail_uuid: system_user_uuid,
 715                    link_class: 'whatever',
 716                    name: 'something')
 717     end
 718     past = db_current_time
 719     Collection.where(uuid: uuid).
 720       update_all(is_trashed: true, trash_at: past, delete_at: past)
 721     assert_not_empty Collection.where(uuid: uuid)
 722     SweepTrashedObjects.sweep_now
 723     assert_empty Collection.where(uuid: uuid)
 724   end
 725 end