Skip to content
This repository

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
tree: c17608fe8f
Fetching contributors…

Cannot retrieve contributors at this time

file 1157 lines (985 sloc) 39.6 kb
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157
require 'abstract_unit'
require 'active_support/core_ext/hash'
require 'bigdecimal'
require 'active_support/core_ext/string/access'
require 'active_support/ordered_hash'
require 'active_support/core_ext/object/conversions'
require 'active_support/inflections'

class HashExtTest < Test::Unit::TestCase
  class IndifferentHash < HashWithIndifferentAccess
  end

  class SubclassingArray < Array
  end

  class SubclassingHash < Hash
  end

  class NonIndifferentHash < Hash
    def nested_under_indifferent_access
      self
    end
  end

  def setup
    @strings = { 'a' => 1, 'b' => 2 }
    @symbols = { :a => 1, :b => 2 }
    @mixed = { :a => 1, 'b' => 2 }
    @fixnums = { 0 => 1, 1 => 2 }
    if RUBY_VERSION < '1.9.0'
      @illegal_symbols = { "\0" => 1, "" => 2, [] => 3 }
    else
      @illegal_symbols = { [] => 3 }
    end
  end

  def test_methods
    h = {}
    assert_respond_to h, :symbolize_keys
    assert_respond_to h, :symbolize_keys!
    assert_respond_to h, :stringify_keys
    assert_respond_to h, :stringify_keys!
    assert_respond_to h, :to_options
    assert_respond_to h, :to_options!
  end

  def test_symbolize_keys
    assert_equal @symbols, @symbols.symbolize_keys
    assert_equal @symbols, @strings.symbolize_keys
    assert_equal @symbols, @mixed.symbolize_keys
  end

  def test_symbolize_keys!
    assert_equal @symbols, @symbols.dup.symbolize_keys!
    assert_equal @symbols, @strings.dup.symbolize_keys!
    assert_equal @symbols, @mixed.dup.symbolize_keys!
  end

  def test_symbolize_keys_preserves_keys_that_cant_be_symbolized
    assert_equal @illegal_symbols, @illegal_symbols.symbolize_keys
    assert_equal @illegal_symbols, @illegal_symbols.dup.symbolize_keys!
  end

  def test_symbolize_keys_preserves_fixnum_keys
    assert_equal @fixnums, @fixnums.symbolize_keys
    assert_equal @fixnums, @fixnums.dup.symbolize_keys!
  end

  def test_stringify_keys
    assert_equal @strings, @symbols.stringify_keys
    assert_equal @strings, @strings.stringify_keys
    assert_equal @strings, @mixed.stringify_keys
  end

  def test_stringify_keys!
    assert_equal @strings, @symbols.dup.stringify_keys!
    assert_equal @strings, @strings.dup.stringify_keys!
    assert_equal @strings, @mixed.dup.stringify_keys!
  end

  def test_symbolize_keys_for_hash_with_indifferent_access
    assert_instance_of Hash, @symbols.with_indifferent_access.symbolize_keys
    assert_equal @symbols, @symbols.with_indifferent_access.symbolize_keys
    assert_equal @symbols, @strings.with_indifferent_access.symbolize_keys
    assert_equal @symbols, @mixed.with_indifferent_access.symbolize_keys
  end

  def test_symbolize_keys_bang_for_hash_with_indifferent_access
    assert_raise(NoMethodError) { @symbols.with_indifferent_access.dup.symbolize_keys! }
    assert_raise(NoMethodError) { @strings.with_indifferent_access.dup.symbolize_keys! }
    assert_raise(NoMethodError) { @mixed.with_indifferent_access.dup.symbolize_keys! }
  end

  def test_symbolize_keys_preserves_keys_that_cant_be_symbolized_for_hash_with_indifferent_access
    assert_equal @illegal_symbols, @illegal_symbols.with_indifferent_access.symbolize_keys
    assert_raise(NoMethodError) { @illegal_symbols.with_indifferent_access.dup.symbolize_keys! }
  end

  def test_symbolize_keys_preserves_fixnum_keys_for_hash_with_indifferent_access
    assert_equal @fixnums, @fixnums.with_indifferent_access.symbolize_keys
    assert_raise(NoMethodError) { @fixnums.with_indifferent_access.dup.symbolize_keys! }
  end

  def test_stringify_keys_for_hash_with_indifferent_access
    assert_instance_of ActiveSupport::HashWithIndifferentAccess, @symbols.with_indifferent_access.stringify_keys
    assert_equal @strings, @symbols.with_indifferent_access.stringify_keys
    assert_equal @strings, @strings.with_indifferent_access.stringify_keys
    assert_equal @strings, @mixed.with_indifferent_access.stringify_keys
  end

  def test_stringify_keys_bang_for_hash_with_indifferent_access
    assert_instance_of ActiveSupport::HashWithIndifferentAccess, @symbols.with_indifferent_access.dup.stringify_keys!
    assert_equal @strings, @symbols.with_indifferent_access.dup.stringify_keys!
    assert_equal @strings, @strings.with_indifferent_access.dup.stringify_keys!
    assert_equal @strings, @mixed.with_indifferent_access.dup.stringify_keys!
  end

  def test_nested_under_indifferent_access
    foo = { "foo" => SubclassingHash.new.tap { |h| h["bar"] = "baz" } }.with_indifferent_access
    assert_kind_of ActiveSupport::HashWithIndifferentAccess, foo["foo"]

    foo = { "foo" => NonIndifferentHash.new.tap { |h| h["bar"] = "baz" } }.with_indifferent_access
    assert_kind_of NonIndifferentHash, foo["foo"]

    foo = { "foo" => IndifferentHash.new.tap { |h| h["bar"] = "baz" } }.with_indifferent_access
    assert_kind_of IndifferentHash, foo["foo"]
  end

  def test_indifferent_assorted
    @strings = @strings.with_indifferent_access
    @symbols = @symbols.with_indifferent_access
    @mixed = @mixed.with_indifferent_access

    assert_equal 'a', @strings.__send__(:convert_key, :a)

    assert_equal 1, @strings.fetch('a')
    assert_equal 1, @strings.fetch(:a.to_s)
    assert_equal 1, @strings.fetch(:a)

    hashes = { :@strings => @strings, :@symbols => @symbols, :@mixed => @mixed }
    method_map = { :'[]' => 1, :fetch => 1, :values_at => [1],
      :has_key? => true, :include? => true, :key? => true,
      :member? => true }

    hashes.each do |name, hash|
      method_map.sort_by { |m| m.to_s }.each do |meth, expected|
        assert_equal(expected, hash.__send__(meth, 'a'),
                     "Calling #{name}.#{meth} 'a'")
        assert_equal(expected, hash.__send__(meth, :a),
                     "Calling #{name}.#{meth} :a")
      end
    end

    assert_equal [1, 2], @strings.values_at('a', 'b')
    assert_equal [1, 2], @strings.values_at(:a, :b)
    assert_equal [1, 2], @symbols.values_at('a', 'b')
    assert_equal [1, 2], @symbols.values_at(:a, :b)
    assert_equal [1, 2], @mixed.values_at('a', 'b')
    assert_equal [1, 2], @mixed.values_at(:a, :b)
  end

  def test_indifferent_reading
    hash = HashWithIndifferentAccess.new
    hash["a"] = 1
    hash["b"] = true
    hash["c"] = false
    hash["d"] = nil

    assert_equal 1, hash[:a]
    assert_equal true, hash[:b]
    assert_equal false, hash[:c]
    assert_equal nil, hash[:d]
    assert_equal nil, hash[:e]
  end

  def test_indifferent_reading_with_nonnil_default
    hash = HashWithIndifferentAccess.new(1)
    hash["a"] = 1
    hash["b"] = true
    hash["c"] = false
    hash["d"] = nil

    assert_equal 1, hash[:a]
    assert_equal true, hash[:b]
    assert_equal false, hash[:c]
    assert_equal nil, hash[:d]
    assert_equal 1, hash[:e]
  end

  def test_indifferent_writing
    hash = HashWithIndifferentAccess.new
    hash[:a] = 1
    hash['b'] = 2
    hash[3] = 3

    assert_equal hash['a'], 1
    assert_equal hash['b'], 2
    assert_equal hash[:a], 1
    assert_equal hash[:b], 2
    assert_equal hash[3], 3
  end

  def test_indifferent_update
    hash = HashWithIndifferentAccess.new
    hash[:a] = 'a'
    hash['b'] = 'b'

    updated_with_strings = hash.update(@strings)
    updated_with_symbols = hash.update(@symbols)
    updated_with_mixed = hash.update(@mixed)

    assert_equal updated_with_strings[:a], 1
    assert_equal updated_with_strings['a'], 1
    assert_equal updated_with_strings['b'], 2

    assert_equal updated_with_symbols[:a], 1
    assert_equal updated_with_symbols['b'], 2
    assert_equal updated_with_symbols[:b], 2

    assert_equal updated_with_mixed[:a], 1
    assert_equal updated_with_mixed['b'], 2

    assert [updated_with_strings, updated_with_symbols, updated_with_mixed].all? { |h| h.keys.size == 2 }
  end

  def test_indifferent_merging
    hash = HashWithIndifferentAccess.new
    hash[:a] = 'failure'
    hash['b'] = 'failure'

    other = { 'a' => 1, :b => 2 }

    merged = hash.merge(other)

    assert_equal HashWithIndifferentAccess, merged.class
    assert_equal 1, merged[:a]
    assert_equal 2, merged['b']

    hash.update(other)

    assert_equal 1, hash[:a]
    assert_equal 2, hash['b']
  end

  def test_indifferent_reverse_merging
    hash = HashWithIndifferentAccess.new('some' => 'value', 'other' => 'value')
    hash.reverse_merge!(:some => 'noclobber', :another => 'clobber')
    assert_equal 'value', hash[:some]
    assert_equal 'clobber', hash[:another]
  end

  def test_indifferent_deleting
    get_hash = proc{ { :a => 'foo' }.with_indifferent_access }
    hash = get_hash.call
    assert_equal hash.delete(:a), 'foo'
    assert_equal hash.delete(:a), nil
    hash = get_hash.call
    assert_equal hash.delete('a'), 'foo'
    assert_equal hash.delete('a'), nil
  end

  def test_indifferent_to_hash
    # Should convert to a Hash with String keys.
    assert_equal @strings, @mixed.with_indifferent_access.to_hash

    # Should preserve the default value.
    mixed_with_default = @mixed.dup
    mixed_with_default.default = '1234'
    roundtrip = mixed_with_default.with_indifferent_access.to_hash
    assert_equal @strings, roundtrip
    assert_equal '1234', roundtrip.default
  end

  def test_indifferent_hash_with_array_of_hashes
    hash = { "urls" => { "url" => [ { "address" => "1" }, { "address" => "2" } ] }}.with_indifferent_access
    assert_equal "1", hash[:urls][:url].first[:address]
  end

  def test_should_preserve_array_subclass_when_value_is_array
    array = SubclassingArray.new
    array << { "address" => "1" }
    hash = { "urls" => { "url" => array }}.with_indifferent_access
    assert_equal SubclassingArray, hash[:urls][:url].class
  end

  def test_should_preserve_array_class_when_hash_value_is_frozen_array
    array = SubclassingArray.new
    array << { "address" => "1" }
    hash = { "urls" => { "url" => array.freeze }}.with_indifferent_access
    assert_equal SubclassingArray, hash[:urls][:url].class
  end

  def test_stringify_and_symbolize_keys_on_indifferent_preserves_hash
    h = HashWithIndifferentAccess.new
    h[:first] = 1
    h = h.stringify_keys
    assert_equal 1, h['first']
    h = HashWithIndifferentAccess.new
    h['first'] = 1
    h = h.symbolize_keys
    assert_equal 1, h[:first]
  end

  def test_to_options_on_indifferent_preserves_hash
    h = HashWithIndifferentAccess.new
    h['first'] = 1
    h.to_options!
    assert_equal 1, h['first']
  end

  def test_indifferent_subhashes
    h = {'user' => {'id' => 5}}.with_indifferent_access
    ['user', :user].each {|user| [:id, 'id'].each {|id| assert_equal 5, h[user][id], "h[#{user.inspect}][#{id.inspect}] should be 5"}}

    h = {:user => {:id => 5}}.with_indifferent_access
    ['user', :user].each {|user| [:id, 'id'].each {|id| assert_equal 5, h[user][id], "h[#{user.inspect}][#{id.inspect}] should be 5"}}
  end

  def test_indifferent_duplication
    # Should preserve default value
    h = HashWithIndifferentAccess.new
    h.default = '1234'
    assert_equal h.default, h.dup.default

    # Should preserve class for subclasses
    h = IndifferentHash.new
    assert_equal h.class, h.dup.class
  end

  def test_assert_valid_keys
    assert_nothing_raised do
      { :failure => "stuff", :funny => "business" }.assert_valid_keys([ :failure, :funny ])
      { :failure => "stuff", :funny => "business" }.assert_valid_keys(:failure, :funny)
    end

    assert_raise(ArgumentError, "Unknown key: failore") do
      { :failore => "stuff", :funny => "business" }.assert_valid_keys([ :failure, :funny ])
      { :failore => "stuff", :funny => "business" }.assert_valid_keys(:failure, :funny)
    end
  end

  def test_assorted_keys_not_stringified
    original = {Object.new => 2, 1 => 2, [] => true}
    indiff = original.with_indifferent_access
    assert(!indiff.keys.any? {|k| k.kind_of? String}, "A key was converted to a string!")
  end

  def test_deep_merge
    hash_1 = { :a => "a", :b => "b", :c => { :c1 => "c1", :c2 => "c2", :c3 => { :d1 => "d1" } } }
    hash_2 = { :a => 1, :c => { :c1 => 2, :c3 => { :d2 => "d2" } } }
    expected = { :a => 1, :b => "b", :c => { :c1 => 2, :c2 => "c2", :c3 => { :d1 => "d1", :d2 => "d2" } } }
    assert_equal expected, hash_1.deep_merge(hash_2)

    hash_1.deep_merge!(hash_2)
    assert_equal expected, hash_1
  end

  def test_deep_merge_on_indifferent_access
    hash_1 = HashWithIndifferentAccess.new({ :a => "a", :b => "b", :c => { :c1 => "c1", :c2 => "c2", :c3 => { :d1 => "d1" } } })
    hash_2 = HashWithIndifferentAccess.new({ :a => 1, :c => { :c1 => 2, :c3 => { :d2 => "d2" } } })
    hash_3 = { :a => 1, :c => { :c1 => 2, :c3 => { :d2 => "d2" } } }
    expected = { "a" => 1, "b" => "b", "c" => { "c1" => 2, "c2" => "c2", "c3" => { "d1" => "d1", "d2" => "d2" } } }
    assert_equal expected, hash_1.deep_merge(hash_2)
    assert_equal expected, hash_1.deep_merge(hash_3)

    hash_1.deep_merge!(hash_2)
    assert_equal expected, hash_1
  end

  def test_deep_dup
    hash = { :a => { :b => 'b' } }
    dup = hash.deep_dup
    dup[:a][:c] = 'c'
    assert_equal nil, hash[:a][:c]
    assert_equal 'c', dup[:a][:c]
  end

  def test_deep_dup_initialize
    zero_hash = Hash.new 0
    hash = { :a => zero_hash }
    dup = hash.deep_dup
    assert_equal 0, dup[:a][44]
  end

  def test_store_on_indifferent_access
    hash = HashWithIndifferentAccess.new
    hash.store(:test1, 1)
    hash.store('test1', 11)
    hash[:test2] = 2
    hash['test2'] = 22
    expected = { "test1" => 11, "test2" => 22 }
    assert_equal expected, hash
  end

  def test_reverse_merge
    defaults = { :a => "x", :b => "y", :c => 10 }.freeze
    options = { :a => 1, :b => 2 }
    expected = { :a => 1, :b => 2, :c => 10 }

    # Should merge defaults into options, creating a new hash.
    assert_equal expected, options.reverse_merge(defaults)
    assert_not_equal expected, options

    # Should merge! defaults into options, replacing options.
    merged = options.dup
    assert_equal expected, merged.reverse_merge!(defaults)
    assert_equal expected, merged

    # Should be an alias for reverse_merge!
    merged = options.dup
    assert_equal expected, merged.reverse_update(defaults)
    assert_equal expected, merged
  end

  def test_diff
    assert_equal({ :a => 2 }, { :a => 2, :b => 5 }.diff({ :a => 1, :b => 5 }))
  end

  def test_slice
    original = { :a => 'x', :b => 'y', :c => 10 }
    expected = { :a => 'x', :b => 'y' }

    # Should return a new hash with only the given keys.
    assert_equal expected, original.slice(:a, :b)
    assert_not_equal expected, original
  end

  def test_slice_inplace
    original = { :a => 'x', :b => 'y', :c => 10 }
    expected = { :c => 10 }

    # Should replace the hash with only the given keys.
    assert_equal expected, original.slice!(:a, :b)
  end

  def test_slice_with_an_array_key
    original = { :a => 'x', :b => 'y', :c => 10, [:a, :b] => "an array key" }
    expected = { [:a, :b] => "an array key", :c => 10 }

    # Should return a new hash with only the given keys when given an array key.
    assert_equal expected, original.slice([:a, :b], :c)
    assert_not_equal expected, original
  end

  def test_slice_inplace_with_an_array_key
    original = { :a => 'x', :b => 'y', :c => 10, [:a, :b] => "an array key" }
    expected = { :a => 'x', :b => 'y' }

    # Should replace the hash with only the given keys when given an array key.
    assert_equal expected, original.slice!([:a, :b], :c)
  end

  def test_slice_with_splatted_keys
    original = { :a => 'x', :b => 'y', :c => 10, [:a, :b] => "an array key" }
    expected = { :a => 'x', :b => "y" }

    # Should grab each of the splatted keys.
    assert_equal expected, original.slice(*[:a, :b])
  end

  def test_indifferent_slice
    original = { :a => 'x', :b => 'y', :c => 10 }.with_indifferent_access
    expected = { :a => 'x', :b => 'y' }.with_indifferent_access

    [['a', 'b'], [:a, :b]].each do |keys|
      # Should return a new hash with only the given keys.
      assert_equal expected, original.slice(*keys), keys.inspect
      assert_not_equal expected, original
    end
  end

  def test_indifferent_slice_inplace
    original = { :a => 'x', :b => 'y', :c => 10 }.with_indifferent_access
    expected = { :c => 10 }.with_indifferent_access

    [['a', 'b'], [:a, :b]].each do |keys|
      # Should replace the hash with only the given keys.
      copy = original.dup
      assert_equal expected, copy.slice!(*keys)
    end
  end

  def test_indifferent_slice_access_with_symbols
    original = {'login' => 'bender', 'password' => 'shiny', 'stuff' => 'foo'}
    original = original.with_indifferent_access

    slice = original.slice(:login, :password)

    assert_equal 'bender', slice[:login]
    assert_equal 'bender', slice['login']
  end

  def test_except
    original = { :a => 'x', :b => 'y', :c => 10 }
    expected = { :a => 'x', :b => 'y' }

    # Should return a new hash with only the given keys.
    assert_equal expected, original.except(:c)
    assert_not_equal expected, original

    # Should replace the hash with only the given keys.
    assert_equal expected, original.except!(:c)
    assert_equal expected, original
  end

  def test_except_with_original_frozen
    original = { :a => 'x', :b => 'y' }
    original.freeze
    assert_nothing_raised { original.except(:a) }
  end

  def test_except_with_mocha_expectation_on_original
    original = { :a => 'x', :b => 'y' }
    original.expects(:delete).never
    original.except(:a)
  end
end

class IWriteMyOwnXML
  def to_xml(options = {})
    options[:indent] ||= 2
    xml = options[:builder] ||= Builder::XmlMarkup.new(:indent => options[:indent])
    xml.instruct! unless options[:skip_instruct]
    xml.level_one do
      xml.tag!(:second_level, 'content')
    end
  end
end

class HashExtToParamTests < Test::Unit::TestCase
  class ToParam < String
    def to_param
      "#{self}-1"
    end
  end

  def test_string_hash
    assert_equal '', {}.to_param
    assert_equal 'hello=world', { :hello => "world" }.to_param
    assert_equal 'hello=10', { "hello" => 10 }.to_param
    assert_equal 'hello=world&say_bye=true', {:hello => "world", "say_bye" => true}.to_param
  end

  def test_number_hash
    assert_equal '10=20&30=40&50=60', {10 => 20, 30 => 40, 50 => 60}.to_param
  end

  def test_to_param_hash
    assert_equal 'custom-1=param-1&custom2-1=param2-1', {ToParam.new('custom') => ToParam.new('param'), ToParam.new('custom2') => ToParam.new('param2')}.to_param
  end

  def test_to_param_hash_escapes_its_keys_and_values
    assert_equal 'param+1=A+string+with+%2F+characters+%26+that+should+be+%3F+escaped', { 'param 1' => 'A string with / characters & that should be ? escaped' }.to_param
  end

  def test_to_param_orders_by_key_in_ascending_order
    assert_equal 'a=2&b=1&c=0', ActiveSupport::OrderedHash[*%w(b 1 c 0 a 2)].to_param
  end
end

class HashToXmlTest < Test::Unit::TestCase
  def setup
    @xml_options = { :root => :person, :skip_instruct => true, :indent => 0 }
  end

  def test_one_level
    xml = { :name => "David", :street => "Paulina" }.to_xml(@xml_options)
    assert_equal "<person>", xml.first(8)
    assert xml.include?(%(<street>Paulina</street>))
    assert xml.include?(%(<name>David</name>))
  end

  def test_one_level_dasherize_false
    xml = { :name => "David", :street_name => "Paulina" }.to_xml(@xml_options.merge(:dasherize => false))
    assert_equal "<person>", xml.first(8)
    assert xml.include?(%(<street_name>Paulina</street_name>))
    assert xml.include?(%(<name>David</name>))
  end

  def test_one_level_dasherize_true
    xml = { :name => "David", :street_name => "Paulina" }.to_xml(@xml_options.merge(:dasherize => true))
    assert_equal "<person>", xml.first(8)
    assert xml.include?(%(<street-name>Paulina</street-name>))
    assert xml.include?(%(<name>David</name>))
  end

  def test_one_level_camelize_true
    xml = { :name => "David", :street_name => "Paulina" }.to_xml(@xml_options.merge(:camelize => true))
    assert_equal "<Person>", xml.first(8)
    assert xml.include?(%(<StreetName>Paulina</StreetName>))
    assert xml.include?(%(<Name>David</Name>))
  end

  def test_one_level_camelize_lower
    xml = { :name => "David", :street_name => "Paulina" }.to_xml(@xml_options.merge(:camelize => :lower))
    assert_equal "<person>", xml.first(8)
    assert xml.include?(%(<streetName>Paulina</streetName>))
    assert xml.include?(%(<name>David</name>))
  end

  def test_one_level_with_types
    xml = { :name => "David", :street => "Paulina", :age => 26, :age_in_millis => 820497600000, :moved_on => Date.new(2005, 11, 15), :resident => :yes }.to_xml(@xml_options)
    assert_equal "<person>", xml.first(8)
    assert xml.include?(%(<street>Paulina</street>))
    assert xml.include?(%(<name>David</name>))
    assert xml.include?(%(<age type="integer">26</age>))
    assert xml.include?(%(<age-in-millis type="integer">820497600000</age-in-millis>))
    assert xml.include?(%(<moved-on type="date">2005-11-15</moved-on>))
    assert xml.include?(%(<resident type="symbol">yes</resident>))
  end

  def test_one_level_with_nils
    xml = { :name => "David", :street => "Paulina", :age => nil }.to_xml(@xml_options)
    assert_equal "<person>", xml.first(8)
    assert xml.include?(%(<street>Paulina</street>))
    assert xml.include?(%(<name>David</name>))
    assert xml.include?(%(<age nil="true"></age>))
  end

  def test_one_level_with_skipping_types
    xml = { :name => "David", :street => "Paulina", :age => nil }.to_xml(@xml_options.merge(:skip_types => true))
    assert_equal "<person>", xml.first(8)
    assert xml.include?(%(<street>Paulina</street>))
    assert xml.include?(%(<name>David</name>))
    assert xml.include?(%(<age nil="true"></age>))
  end

  def test_one_level_with_yielding
    xml = { :name => "David", :street => "Paulina" }.to_xml(@xml_options) do |x|
      x.creator("Rails")
    end

    assert_equal "<person>", xml.first(8)
    assert xml.include?(%(<street>Paulina</street>))
    assert xml.include?(%(<name>David</name>))
    assert xml.include?(%(<creator>Rails</creator>))
  end

  def test_two_levels
    xml = { :name => "David", :address => { :street => "Paulina" } }.to_xml(@xml_options)
    assert_equal "<person>", xml.first(8)
    assert xml.include?(%(<address><street>Paulina</street></address>))
    assert xml.include?(%(<name>David</name>))
  end

  def test_two_levels_with_second_level_overriding_to_xml
    xml = { :name => "David", :address => { :street => "Paulina" }, :child => IWriteMyOwnXML.new }.to_xml(@xml_options)
    assert_equal "<person>", xml.first(8)
    assert xml.include?(%(<address><street>Paulina</street></address>))
    assert xml.include?(%(<level_one><second_level>content</second_level></level_one>))
  end

  def test_two_levels_with_array
    xml = { :name => "David", :addresses => [{ :street => "Paulina" }, { :street => "Evergreen" }] }.to_xml(@xml_options)
    assert_equal "<person>", xml.first(8)
    assert xml.include?(%(<addresses type="array"><address>))
    assert xml.include?(%(<address><street>Paulina</street></address>))
    assert xml.include?(%(<address><street>Evergreen</street></address>))
    assert xml.include?(%(<name>David</name>))
  end

  def test_three_levels_with_array
    xml = { :name => "David", :addresses => [{ :streets => [ { :name => "Paulina" }, { :name => "Paulina" } ] } ] }.to_xml(@xml_options)
    assert xml.include?(%(<addresses type="array"><address><streets type="array"><street><name>))
  end

  def test_timezoned_attributes
    xml = {
      :created_at => Time.utc(1999,2,2),
      :local_created_at => Time.utc(1999,2,2).in_time_zone('Eastern Time (US & Canada)')
    }.to_xml(@xml_options)
    assert_match %r{<created-at type=\"datetime\">1999-02-02T00:00:00Z</created-at>}, xml
    assert_match %r{<local-created-at type=\"datetime\">1999-02-01T19:00:00-05:00</local-created-at>}, xml
  end

  def test_multiple_records_from_xml_with_attributes_other_than_type_ignores_them_without_exploding
    topics_xml = <<-EOT
<topics type="array" page="1" page-count="1000" per-page="2">
<topic>
<title>The First Topic</title>
<author-name>David</author-name>
<id type="integer">1</id>
<approved type="boolean">false</approved>
<replies-count type="integer">0</replies-count>
<replies-close-in type="integer">2592000000</replies-close-in>
<written-on type="date">2003-07-16</written-on>
<viewed-at type="datetime">2003-07-16T09:28:00+0000</viewed-at>
<content>Have a nice day</content>
<author-email-address>david@loudthinking.com</author-email-address>
<parent-id nil="true"></parent-id>
</topic>
<topic>
<title>The Second Topic</title>
<author-name>Jason</author-name>
<id type="integer">1</id>
<approved type="boolean">false</approved>
<replies-count type="integer">0</replies-count>
<replies-close-in type="integer">2592000000</replies-close-in>
<written-on type="date">2003-07-16</written-on>
<viewed-at type="datetime">2003-07-16T09:28:00+0000</viewed-at>
<content>Have a nice day</content>
<author-email-address>david@loudthinking.com</author-email-address>
<parent-id></parent-id>
</topic>
</topics>
EOT

    expected_topic_hash = {
      :title => "The First Topic",
      :author_name => "David",
      :id => 1,
      :approved => false,
      :replies_count => 0,
      :replies_close_in => 2592000000,
      :written_on => Date.new(2003, 7, 16),
      :viewed_at => Time.utc(2003, 7, 16, 9, 28),
      :content => "Have a nice day",
      :author_email_address => "david@loudthinking.com",
      :parent_id => nil
    }.stringify_keys

    assert_equal expected_topic_hash, Hash.from_xml(topics_xml)["topics"].first
  end

  def test_single_record_from_xml
    topic_xml = <<-EOT
<topic>
<title>The First Topic</title>
<author-name>David</author-name>
<id type="integer">1</id>
<approved type="boolean"> true </approved>
<replies-count type="integer">0</replies-count>
<replies-close-in type="integer">2592000000</replies-close-in>
<written-on type="date">2003-07-16</written-on>
<viewed-at type="datetime">2003-07-16T09:28:00+0000</viewed-at>
<content type="yaml">--- \n1: should be an integer\n:message: Have a nice day\narray: \n- should-have-dashes: true\n should_have_underscores: true\n</content>
<author-email-address>david@loudthinking.com</author-email-address>
<parent-id></parent-id>
<ad-revenue type="decimal">1.5</ad-revenue>
<optimum-viewing-angle type="float">135</optimum-viewing-angle>
<resident type="symbol">yes</resident>
</topic>
EOT

    expected_topic_hash = {
      :title => "The First Topic",
      :author_name => "David",
      :id => 1,
      :approved => true,
      :replies_count => 0,
      :replies_close_in => 2592000000,
      :written_on => Date.new(2003, 7, 16),
      :viewed_at => Time.utc(2003, 7, 16, 9, 28),
      :content => { :message => "Have a nice day", 1 => "should be an integer", "array" => [{ "should-have-dashes" => true, "should_have_underscores" => true }] },
      :author_email_address => "david@loudthinking.com",
      :parent_id => nil,
      :ad_revenue => BigDecimal("1.50"),
      :optimum_viewing_angle => 135.0,
      :resident => :yes
    }.stringify_keys

    assert_equal expected_topic_hash, Hash.from_xml(topic_xml)["topic"]
  end

  def test_single_record_from_xml_with_nil_values
    topic_xml = <<-EOT
<topic>
<title></title>
<id type="integer"></id>
<approved type="boolean"></approved>
<written-on type="date"></written-on>
<viewed-at type="datetime"></viewed-at>
<content type="yaml"></content>
<parent-id></parent-id>
</topic>
EOT

    expected_topic_hash = {
      :title => nil,
      :id => nil,
      :approved => nil,
      :written_on => nil,
      :viewed_at => nil,
      :content => nil,
      :parent_id => nil
    }.stringify_keys

    assert_equal expected_topic_hash, Hash.from_xml(topic_xml)["topic"]
  end

  def test_multiple_records_from_xml
    topics_xml = <<-EOT
<topics type="array">
<topic>
<title>The First Topic</title>
<author-name>David</author-name>
<id type="integer">1</id>
<approved type="boolean">false</approved>
<replies-count type="integer">0</replies-count>
<replies-close-in type="integer">2592000000</replies-close-in>
<written-on type="date">2003-07-16</written-on>
<viewed-at type="datetime">2003-07-16T09:28:00+0000</viewed-at>
<content>Have a nice day</content>
<author-email-address>david@loudthinking.com</author-email-address>
<parent-id nil="true"></parent-id>
</topic>
<topic>
<title>The Second Topic</title>
<author-name>Jason</author-name>
<id type="integer">1</id>
<approved type="boolean">false</approved>
<replies-count type="integer">0</replies-count>
<replies-close-in type="integer">2592000000</replies-close-in>
<written-on type="date">2003-07-16</written-on>
<viewed-at type="datetime">2003-07-16T09:28:00+0000</viewed-at>
<content>Have a nice day</content>
<author-email-address>david@loudthinking.com</author-email-address>
<parent-id></parent-id>
</topic>
</topics>
EOT

    expected_topic_hash = {
      :title => "The First Topic",
      :author_name => "David",
      :id => 1,
      :approved => false,
      :replies_count => 0,
      :replies_close_in => 2592000000,
      :written_on => Date.new(2003, 7, 16),
      :viewed_at => Time.utc(2003, 7, 16, 9, 28),
      :content => "Have a nice day",
      :author_email_address => "david@loudthinking.com",
      :parent_id => nil
    }.stringify_keys

    assert_equal expected_topic_hash, Hash.from_xml(topics_xml)["topics"].first
  end

  def test_single_record_from_xml_with_attributes_other_than_type
    topic_xml = <<-EOT
<rsp stat="ok">
<photos page="1" pages="1" perpage="100" total="16">
<photo id="175756086" owner="55569174@N00" secret="0279bf37a1" server="76" title="Colored Pencil PhotoBooth Fun" ispublic="1" isfriend="0" isfamily="0"/>
</photos>
</rsp>
EOT

    expected_topic_hash = {
      :id => "175756086",
      :owner => "55569174@N00",
      :secret => "0279bf37a1",
      :server => "76",
      :title => "Colored Pencil PhotoBooth Fun",
      :ispublic => "1",
      :isfriend => "0",
      :isfamily => "0",
    }.stringify_keys

    assert_equal expected_topic_hash, Hash.from_xml(topic_xml)["rsp"]["photos"]["photo"]
  end

  def test_all_caps_key_from_xml
    test_xml = <<-EOT
<ABC3XYZ>
<TEST>Lorem Ipsum</TEST>
</ABC3XYZ>
EOT

    expected_hash = {
      "ABC3XYZ" => {
        "TEST" => "Lorem Ipsum"
      }
    }

    assert_equal expected_hash, Hash.from_xml(test_xml)
  end

  def test_empty_array_from_xml
    blog_xml = <<-XML
<blog>
<posts type="array"></posts>
</blog>
XML
    expected_blog_hash = {"blog" => {"posts" => []}}
    assert_equal expected_blog_hash, Hash.from_xml(blog_xml)
  end

  def test_empty_array_with_whitespace_from_xml
    blog_xml = <<-XML
<blog>
<posts type="array">
</posts>
</blog>
XML
    expected_blog_hash = {"blog" => {"posts" => []}}
    assert_equal expected_blog_hash, Hash.from_xml(blog_xml)
  end

  def test_array_with_one_entry_from_xml
    blog_xml = <<-XML
<blog>
<posts type="array">
<post>a post</post>
</posts>
</blog>
XML
    expected_blog_hash = {"blog" => {"posts" => ["a post"]}}
    assert_equal expected_blog_hash, Hash.from_xml(blog_xml)
  end

  def test_array_with_multiple_entries_from_xml
    blog_xml = <<-XML
<blog>
<posts type="array">
<post>a post</post>
<post>another post</post>
</posts>
</blog>
XML
    expected_blog_hash = {"blog" => {"posts" => ["a post", "another post"]}}
    assert_equal expected_blog_hash, Hash.from_xml(blog_xml)
  end

  def test_file_from_xml
    blog_xml = <<-XML
<blog>
<logo type="file" name="logo.png" content_type="image/png">
</logo>
</blog>
XML
    hash = Hash.from_xml(blog_xml)
    assert hash.has_key?('blog')
    assert hash['blog'].has_key?('logo')

    file = hash['blog']['logo']
    assert_equal 'logo.png', file.original_filename
    assert_equal 'image/png', file.content_type
  end

  def test_file_from_xml_with_defaults
    blog_xml = <<-XML
<blog>
<logo type="file">
</logo>
</blog>
XML
    file = Hash.from_xml(blog_xml)['blog']['logo']
    assert_equal 'untitled', file.original_filename
    assert_equal 'application/octet-stream', file.content_type
  end

  def test_tag_with_attrs_and_whitespace
    xml = <<-XML
<blog name="bacon is the best">
</blog>
XML
    hash = Hash.from_xml(xml)
    assert_equal "bacon is the best", hash['blog']['name']
  end

  def test_empty_cdata_from_xml
    xml = "<data><![CDATA[]]></data>"

    assert_equal "", Hash.from_xml(xml)["data"]
  end

  def test_xsd_like_types_from_xml
    bacon_xml = <<-EOT
<bacon>
<weight type="double">0.5</weight>
<price type="decimal">12.50</price>
<chunky type="boolean"> 1 </chunky>
<expires-at type="dateTime">2007-12-25T12:34:56+0000</expires-at>
<notes type="string"></notes>
<illustration type="base64Binary">YmFiZS5wbmc=</illustration>
<caption type="binary" encoding="base64">VGhhdCdsbCBkbywgcGlnLg==</caption>
</bacon>
EOT

    expected_bacon_hash = {
      :weight => 0.5,
      :chunky => true,
      :price => BigDecimal("12.50"),
      :expires_at => Time.utc(2007,12,25,12,34,56),
      :notes => "",
      :illustration => "babe.png",
      :caption => "That'll do, pig."
    }.stringify_keys

    assert_equal expected_bacon_hash, Hash.from_xml(bacon_xml)["bacon"]
  end

  def test_type_trickles_through_when_unknown
    product_xml = <<-EOT
<product>
<weight type="double">0.5</weight>
<image type="ProductImage"><filename>image.gif</filename></image>

</product>
EOT

    expected_product_hash = {
      :weight => 0.5,
      :image => {'type' => 'ProductImage', 'filename' => 'image.gif' },
    }.stringify_keys

    assert_equal expected_product_hash, Hash.from_xml(product_xml)["product"]
  end

  def test_should_use_default_value_for_unknown_key
    hash_wia = HashWithIndifferentAccess.new(3)
    assert_equal 3, hash_wia[:new_key]
  end

  def test_should_use_default_value_if_no_key_is_supplied
    hash_wia = HashWithIndifferentAccess.new(3)
    assert_equal 3, hash_wia.default
  end

  def test_should_nil_if_no_default_value_is_supplied
    hash_wia = HashWithIndifferentAccess.new
    assert_nil hash_wia.default
  end

  def test_should_return_dup_for_with_indifferent_access
    hash_wia = HashWithIndifferentAccess.new
    assert_equal hash_wia, hash_wia.with_indifferent_access
    assert_not_same hash_wia, hash_wia.with_indifferent_access
  end

  def test_should_copy_the_default_value_when_converting_to_hash_with_indifferent_access
    hash = Hash.new(3)
    hash_wia = hash.with_indifferent_access
    assert_equal 3, hash_wia.default
  end

  # The XML builder seems to fail miserably when trying to tag something
  # with the same name as a Kernel method (throw, test, loop, select ...)
  def test_kernel_method_names_to_xml
    hash = { :throw => { :ball => 'red' } }
    expected = '<person><throw><ball>red</ball></throw></person>'

    assert_nothing_raised do
      assert_equal expected, hash.to_xml(@xml_options)
    end
  end

  def test_empty_string_works_for_typecast_xml_value
    assert_nothing_raised do
      Hash.__send__(:typecast_xml_value, "")
    end
  end

  def test_escaping_to_xml
    hash = {
      :bare_string => 'First & Last Name',
      :pre_escaped_string => 'First &amp; Last Name'
    }.stringify_keys

    assert hash.to_xml(@xml_options).include?("<bare-string>First &amp; Last Name</bare-string>")
    assert hash.to_xml(@xml_options).include?("<pre-escaped-string>First &amp;amp; Last Name</pre-escaped-string>")
  end

  def test_unescaping_from_xml
    xml_string = '<person><bare-string>First &amp; Last Name</bare-string><pre-escaped-string>First &amp;amp; Last Name</pre-escaped-string></person>'
    expected_hash = {
      :bare_string => 'First & Last Name',
      :pre_escaped_string => 'First &amp; Last Name'
    }.stringify_keys
    assert_equal expected_hash, Hash.from_xml(xml_string)['person']
  end

  def test_roundtrip_to_xml_from_xml
    hash = {
      :bare_string => 'First & Last Name',
      :pre_escaped_string => 'First &amp; Last Name'
    }.stringify_keys

    assert_equal hash, Hash.from_xml(hash.to_xml(@xml_options))['person']
  end

  def test_datetime_xml_type_with_utc_time
    alert_xml = <<-XML
<alert>
<alert_at type="datetime">2008-02-10T15:30:45Z</alert_at>
</alert>
XML
    alert_at = Hash.from_xml(alert_xml)['alert']['alert_at']
    assert alert_at.utc?
    assert_equal Time.utc(2008, 2, 10, 15, 30, 45), alert_at
  end

  def test_datetime_xml_type_with_non_utc_time
    alert_xml = <<-XML
<alert>
<alert_at type="datetime">2008-02-10T10:30:45-05:00</alert_at>
</alert>
XML
    alert_at = Hash.from_xml(alert_xml)['alert']['alert_at']
    assert alert_at.utc?
    assert_equal Time.utc(2008, 2, 10, 15, 30, 45), alert_at
  end

  def test_datetime_xml_type_with_far_future_date
    alert_xml = <<-XML
<alert>
<alert_at type="datetime">2050-02-10T15:30:45Z</alert_at>
</alert>
XML
    alert_at = Hash.from_xml(alert_xml)['alert']['alert_at']
    assert alert_at.utc?
    assert_equal 2050, alert_at.year
    assert_equal 2, alert_at.month
    assert_equal 10, alert_at.day
    assert_equal 15, alert_at.hour
    assert_equal 30, alert_at.min
    assert_equal 45, alert_at.sec
  end

  def test_to_xml_dups_options
    options = {:skip_instruct => true}
    {}.to_xml(options)
    # :builder, etc, shouldn't be added to options
    assert_equal({:skip_instruct => true}, options)
  end

  def test_expansion_count_is_limited
    expected =
      case ActiveSupport::XmlMini.backend.name
      when 'ActiveSupport::XmlMini_REXML'; RuntimeError
      when 'ActiveSupport::XmlMini_Nokogiri'; Nokogiri::XML::SyntaxError
      when 'ActiveSupport::XmlMini_NokogiriSAX'; RuntimeError
      when 'ActiveSupport::XmlMini_LibXML'; LibXML::XML::Error
      when 'ActiveSupport::XmlMini_LibXMLSAX'; LibXML::XML::Error
      end

    assert_raise expected do
      attack_xml = <<-EOT
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE member [
<!ENTITY a "&b;&b;&b;&b;&b;&b;&b;&b;&b;&b;">
<!ENTITY b "&c;&c;&c;&c;&c;&c;&c;&c;&c;&c;">
<!ENTITY c "&d;&d;&d;&d;&d;&d;&d;&d;&d;&d;">
<!ENTITY d "&e;&e;&e;&e;&e;&e;&e;&e;&e;&e;">
<!ENTITY e "&f;&f;&f;&f;&f;&f;&f;&f;&f;&f;">
<!ENTITY f "&g;&g;&g;&g;&g;&g;&g;&g;&g;&g;">
<!ENTITY g "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx">
]>
<member>
&a;
</member>
EOT
      Hash.from_xml(attack_xml)
    end
  end
end
Something went wrong with that request. Please try again.