sdk/ruby/test/test_keep_manifest.rb

   1 # Copyright (C) The Arvados Authors. All rights reserved.
   2 #
   3 # SPDX-License-Identifier: Apache-2.0
   4
   5 require "arvados/keep"
   6 require "minitest/autorun"
   7 require "sdk_fixtures"
   8
   9 class ManifestTest < Minitest::Test
  10   include SDKFixtures
  11
  12   def check_stream(stream, exp_name, exp_blocks, exp_files)
  13     assert_equal(exp_name, stream.first)
  14     assert_equal(exp_blocks, stream[1].map(&:to_s))
  15     assert_equal(exp_files, stream.last)
  16   end
  17
  18   def test_simple_each_line_array
  19     manifest = Keep::Manifest.new(SIMPLEST_MANIFEST)
  20     stream_name, block_s, file = SIMPLEST_MANIFEST.strip.split
  21     stream_a = manifest.each_line.to_a
  22     assert_equal(1, stream_a.size, "wrong number of streams")
  23     check_stream(stream_a.first, stream_name, [block_s], [file])
  24   end
  25
  26   def test_simple_each_line_block
  27     manifest = Keep::Manifest.new(SIMPLEST_MANIFEST)
  28     result = []
  29     manifest.each_line do |stream, blocks, files|
  30       result << files
  31     end
  32     assert_equal([[SIMPLEST_MANIFEST.split.last]], result,
  33                  "wrong result from each_line block")
  34   end
  35
  36   def test_multilevel_each_line
  37     manifest = Keep::Manifest.new(MULTILEVEL_MANIFEST)
  38     seen = []
  39     manifest.each_line do |stream, blocks, files|
  40       refute(seen.include?(stream),
  41              "each_line already yielded stream #{stream}")
  42       seen << stream
  43       assert_equal(3, files.size, "wrong file count for stream #{stream}")
  44     end
  45     assert_equal(MULTILEVEL_MANIFEST.count("\n"), seen.size,
  46                  "wrong number of streams")
  47   end
  48
  49   def test_empty_each_line
  50     assert_empty(Keep::Manifest.new("").each_line.to_a)
  51   end
  52
  53   def test_empty_each_file_spec
  54     assert_empty(Keep::Manifest.new("").each_file_spec.to_a)
  55   end
  56
  57   def test_empty_files
  58     assert_empty(Keep::Manifest.new("").files)
  59   end
  60
  61   def test_empty_files_count
  62     assert_equal(0, Keep::Manifest.new("").files_count)
  63   end
  64
  65   def test_empty_dir_files_count
  66     assert_equal(0,
  67       Keep::Manifest.new("./empty_dir d41d8cd98f00b204e9800998ecf8427e+0 0:0:\\056\n").files_count)
  68   end
  69
  70   def test_empty_files_size
  71     assert_equal(0, Keep::Manifest.new("").files_size)
  72   end
  73
  74   def test_empty_has_file?
  75     refute(Keep::Manifest.new("").has_file?(""))
  76   end
  77
  78   def test_empty_line_within_manifest
  79     block_s = random_block
  80     manifest = Keep::Manifest.
  81       new([". #{block_s} 0:1:file1 1:2:file2\n",
  82            "\n",
  83            ". #{block_s} 3:3:file3 6:4:file4\n"].join(""))
  84     streams = manifest.each_line.to_a
  85     assert_equal(2, streams.size)
  86     check_stream(streams[0], ".", [block_s], ["0:1:file1", "1:2:file2"])
  87     check_stream(streams[1], ".", [block_s], ["3:3:file3", "6:4:file4"])
  88   end
  89
  90   def test_backslash_escape_parsing
  91     manifest = Keep::Manifest.new(MANY_ESCAPES_MANIFEST)
  92     streams = manifest.each_line.to_a
  93     assert_equal(1, streams.size, "wrong number of streams with whitespace")
  94     assert_equal("./dir name", streams.first.first,
  95                  "wrong stream name with whitespace")
  96     assert_equal(["0:9:file\\name\t\\here.txt"], streams.first.last,
  97                  "wrong filename(s) with whitespace")
  98   end
  99
 100   def test_simple_files
 101     manifest = Keep::Manifest.new(SIMPLEST_MANIFEST)
 102     assert_equal([[".", "simple.txt", 9]], manifest.files)
 103   end
 104
 105   def test_multilevel_files
 106     manifest = Keep::Manifest.new(MULTILEVEL_MANIFEST)
 107     seen = Hash.new { |this, key| this[key] = [] }
 108     manifest.files.each do |stream, basename, size|
 109       refute(seen[stream].include?(basename),
 110              "each_file repeated #{stream}/#{basename}")
 111       seen[stream] << basename
 112       assert_equal(3, size, "wrong size for #{stream}/#{basename}")
 113     end
 114     seen.each_pair do |stream, basenames|
 115       assert_equal(%w(file1 file2 file3), basenames.sort,
 116                    "wrong file list for #{stream}")
 117     end
 118   end
 119
 120   def test_files_with_colons_in_names
 121     manifest = Keep::Manifest.new(COLON_FILENAME_MANIFEST)
 122     assert_equal([[".", "file:test.txt", 9]], manifest.files)
 123   end
 124
 125   def test_files_with_escape_sequence_in_filename
 126     manifest = Keep::Manifest.new(ESCAPED_FILENAME_MANIFEST)
 127     assert_equal([[".", "a a.txt", 9]], manifest.files)
 128   end
 129
 130   def test_files_spanning_multiple_blocks
 131     manifest = Keep::Manifest.new(MULTIBLOCK_FILE_MANIFEST)
 132     assert_equal([[".", "repfile", 5],
 133                   [".", "uniqfile", 4],
 134                   [".", "uniqfile2", 7],
 135                   ["./s1", "repfile", 3],
 136                   ["./s1", "uniqfile", 3]],
 137                  manifest.files.sort)
 138   end
 139
 140   def test_minimum_file_count_simple
 141     manifest = Keep::Manifest.new(SIMPLEST_MANIFEST)
 142     assert(manifest.minimum_file_count?(1), "real minimum file count false")
 143     refute(manifest.minimum_file_count?(2), "fake minimum file count true")
 144   end
 145
 146   def test_minimum_file_count_multiblock
 147     manifest = Keep::Manifest.new(MULTIBLOCK_FILE_MANIFEST)
 148     assert(manifest.minimum_file_count?(2), "low minimum file count false")
 149     assert(manifest.minimum_file_count?(5), "real minimum file count false")
 150     refute(manifest.minimum_file_count?(6), "fake minimum file count true")
 151   end
 152
 153   def test_exact_file_count_simple
 154     manifest = Keep::Manifest.new(SIMPLEST_MANIFEST)
 155     assert(manifest.exact_file_count?(1), "exact file count false")
 156     refute(manifest.exact_file_count?(0), "-1 file count true")
 157     refute(manifest.exact_file_count?(2), "+1 file count true")
 158   end
 159
 160   def test_exact_file_count_multiblock
 161     manifest = Keep::Manifest.new(MULTIBLOCK_FILE_MANIFEST)
 162     assert(manifest.exact_file_count?(5), "exact file count false")
 163     refute(manifest.exact_file_count?(4), "-1 file count true")
 164     refute(manifest.exact_file_count?(6), "+1 file count true")
 165   end
 166
 167   def test_files_size_multiblock
 168     assert_equal(22, Keep::Manifest.new(MULTIBLOCK_FILE_MANIFEST).files_size)
 169   end
 170
 171   def test_files_size_with_skipped_overlapping_data
 172     manifest = Keep::Manifest.new(". #{random_block(9)} 3:3:f1 5:3:f2\n")
 173     assert_equal(6, manifest.files_size)
 174   end
 175
 176   def test_has_file
 177     manifest = Keep::Manifest.new(MULTIBLOCK_FILE_MANIFEST)
 178     assert(manifest.has_file?("./repfile"), "one-arg repfile not found")
 179     assert(manifest.has_file?(".", "repfile"), "two-arg repfile not found")
 180     assert(manifest.has_file?("./s1/repfile"), "one-arg s1/repfile not found")
 181     assert(manifest.has_file?("./s1", "repfile"), "two-arg s1/repfile not found")
 182     refute(manifest.has_file?("./s1/uniqfile2"), "one-arg missing file found")
 183     refute(manifest.has_file?("./s1", "uniqfile2"), "two-arg missing file found")
 184     refute(manifest.has_file?("./s2/repfile"), "one-arg missing stream found")
 185     refute(manifest.has_file?("./s2", "repfile"), "two-arg missing stream found")
 186   end
 187
 188   def test_has_file_with_spaces
 189     manifest = Keep::Manifest.new(ESCAPED_FILENAME_MANIFEST)
 190     assert(manifest.has_file?("./a a.txt"), "one-arg path not found")
 191     assert(manifest.has_file?(".", "a a.txt"), "two-arg path not found")
 192     refute(manifest.has_file?("a\\040\\141"), "one-arg unescaped found")
 193     refute(manifest.has_file?(".", "a\\040\\141"), "two-arg unescaped found")
 194   end
 195
 196   def test_parse_all_fixtures
 197     fixtures('collections').each do |name, collection|
 198       parse_collection_manifest name, collection
 199     end
 200   end
 201
 202   def test_raise_on_bogus_fixture
 203     assert_raises ArgumentError do
 204       parse_collection_manifest('bogus collection',
 205                                 {'manifest_text' => ". zzz 0:\n"})
 206     end
 207   end
 208
 209   def parse_collection_manifest name, collection
 210     manifest = Keep::Manifest.new(collection['manifest_text'])
 211     manifest.each_file_spec do |stream_name, start_pos, file_size, file_name|
 212       assert_kind_of String, stream_name
 213       assert_kind_of Integer, start_pos
 214       assert_kind_of Integer, file_size
 215       assert_kind_of String, file_name
 216       assert !stream_name.empty?, "empty stream_name in #{name} fixture"
 217       assert !file_name.empty?, "empty file_name in #{name} fixture"
 218     end
 219   end
 220
 221   def test_collection_with_dirs_in_filenames
 222     manifest = Keep::Manifest.new(MANIFEST_WITH_DIRS_IN_FILENAMES)
 223
 224     seen = Hash.new { |this, key| this[key] = [] }
 225
 226     manifest.files.each do |stream, basename, size|
 227       refute(seen[stream].include?(basename), "each_file repeated #{stream}/#{basename}")
 228       assert_equal(3, size, "wrong size for #{stream}/#{basename}")
 229       seen[stream] << basename
 230     end
 231
 232     assert_equal(%w(. ./dir1 ./dir1/dir2), seen.keys)
 233
 234     seen.each_pair do |stream, basenames|
 235       assert_equal(%w(file1), basenames.sort, "wrong file list for #{stream}")
 236     end
 237   end
 238
 239   def test_multilevel_collection_with_dirs_in_filenames
 240     manifest = Keep::Manifest.new(MULTILEVEL_MANIFEST_WITH_DIRS_IN_FILENAMES)
 241
 242     seen = Hash.new { |this, key| this[key] = [] }
 243     expected_sizes = {'.' => 3, './dir1' => 6, './dir1/dir2' => 11}
 244
 245     manifest.files.each do |stream, basename, size|
 246       refute(seen[stream].include?(basename), "each_file repeated #{stream}/#{basename}")
 247       assert_equal(expected_sizes[stream], size, "wrong size for #{stream}/#{basename}")
 248       seen[stream] << basename
 249     end
 250
 251     assert_equal(%w(. ./dir1 ./dir1/dir2), seen.keys)
 252
 253     seen.each_pair do |stream, basenames|
 254       assert_equal(%w(file1), basenames.sort, "wrong file list for #{stream}")
 255     end
 256   end
 257
 258   [[false, nil],
 259    [false, '+0'],
 260    [false, 'd41d8cd98f00b204e9800998ecf8427'],
 261    [false, 'd41d8cd98f00b204e9800998ecf8427+0'],
 262    [false, 'd41d8cd98f00b204e9800998ecf8427e0'],
 263    [false, 'd41d8cd98f00b204e9800998ecf8427e0+0'],
 264    [false, 'd41d8cd98f00b204e9800998ecf8427e+0 '],
 265    [false, "d41d8cd98f00b204e9800998ecf8427e+0\n"],
 266    [false, ' d41d8cd98f00b204e9800998ecf8427e+0'],
 267    [false, 'd41d8cd98f00b204e9800998ecf8427e+K+0'],
 268    [false, 'd41d8cd98f00b204e9800998ecf8427e+0+0'],
 269    [false, 'd41d8cd98f00b204e9800998ecf8427e++'],
 270    [false, 'd41d8cd98f00b204e9800998ecf8427e+0+K+'],
 271    [false, 'd41d8cd98f00b204e9800998ecf8427e+0++K'],
 272    [false, 'd41d8cd98f00b204e9800998ecf8427e+0+K++'],
 273    [false, 'd41d8cd98f00b204e9800998ecf8427e+0+K++Z'],
 274    [true, 'd41d8cd98f00b204e9800998ecf8427e', nil,nil,nil],
 275    [true, 'd41d8cd98f00b204e9800998ecf8427e+0', '+0','0',nil],
 276    [true, 'd41d8cd98f00b204e9800998ecf8427e+0+Fizz+Buzz','+0','0','+Fizz+Buzz'],
 277    [true, 'd41d8cd98f00b204e9800998ecf8427e+Fizz+Buzz', nil,nil,'+Fizz+Buzz'],
 278    [true, 'd41d8cd98f00b204e9800998ecf8427e+0+Ad41d8cd98f00b204e9800998ecf8427e00000000+Foo', '+0','0','+Ad41d8cd98f00b204e9800998ecf8427e00000000+Foo'],
 279    [true, 'd41d8cd98f00b204e9800998ecf8427e+Ad41d8cd98f00b204e9800998ecf8427e00000000+Foo', nil,nil,'+Ad41d8cd98f00b204e9800998ecf8427e00000000+Foo'],
 280    [true, 'd41d8cd98f00b204e9800998ecf8427e+0+Z', '+0','0','+Z'],
 281    [true, 'd41d8cd98f00b204e9800998ecf8427e+Z', nil,nil,'+Z'],
 282   ].each do |ok, locator, match2, match3, match4|
 283     define_method "test_LOCATOR_REGEXP_on_#{locator.inspect}" do
 284       match = Keep::Locator::LOCATOR_REGEXP.match locator
 285       assert_equal ok, !!match
 286       if ok
 287         assert_equal match2, match[2]
 288         assert_equal match3, match[3]
 289         assert_equal match4, match[4]
 290       end
 291     end
 292     define_method "test_parse_method_on_#{locator.inspect}" do
 293       loc = Keep::Locator.parse locator
 294       if !ok
 295         assert_nil loc
 296       else
 297         refute_nil loc
 298         assert loc.is_a?(Keep::Locator)
 299         #assert loc.hash
 300         #assert loc.size
 301         #assert loc.hints.is_a?(Array)
 302       end
 303     end
 304   end
 305
 306   [
 307     [false, nil, "No manifest found"],
 308     [true, ""],
 309     [false, " ", "Invalid manifest: does not end with newline"],
 310     [true, ". d41d8cd98f00b204e9800998ecf8427e 0:0:abc.txt\n"],
 311     [true, ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:abc.txt\n"],
 312     [true, ". d41d8cd98f00b204e9800998ecf8427e a41d8cd98f00b204e9800998ecf8427e+0 0:0:abc.txt\n"], # 2 locators
 313     [true, ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:foo/bar.txt\n"],
 314     [true, ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:.foo.txt\n"],
 315     [true, ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:.foo\n"],
 316     [true, ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:...\n"],
 317     [true, ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:.../.foo./.../bar\n"],
 318     [true, ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:foo/...\n"],
 319     [true, ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:foo/.../bar\n"],
 320     [true, ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:foo/.bar/baz.txt\n"],
 321     [true, ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:foo/bar./baz.txt\n"],
 322     [true, ". d41d8cd98f00b204e9800998ecf8427e+0 000000000000000000000000000000:0777:foo.txt\n"],
 323     [true, ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:0:0\n"],
 324     [true, ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:\\040\n"],
 325     [true, ". 00000000000000000000000000000000+0 0:0:0\n"],
 326     [true, ". 00000000000000000000000000000000+0 0:0:d41d8cd98f00b204e9800998ecf8427e+0+Ad41d8cd98f00b204e9800998ecf8427e00000000@ffffffff\n"],
 327     [true, ". d41d8cd98f00b204e9800998ecf8427e+0+Ad41d8cd98f00b204e9800998ecf8427e00000000@ffffffff 0:0:empty.txt\n"],
 328     [true, "./empty_dir d41d8cd98f00b204e9800998ecf8427e+0 0:0:.\n"],
 329     [false, '. d41d8cd98f00b204e9800998ecf8427e 0:0:abc.txt',
 330       "Invalid manifest: does not end with newline"],
 331     [false, "abc d41d8cd98f00b204e9800998ecf8427e 0:0:abc.txt\n",
 332       "invalid stream name \"abc\""],
 333     [false, "abc/./foo d41d8cd98f00b204e9800998ecf8427e 0:0:abc.txt\n",
 334       "invalid stream name \"abc/./foo\""],
 335     [false, "./abc/../foo d41d8cd98f00b204e9800998ecf8427e 0:0:abc.txt\n",
 336       "invalid stream name \"./abc/../foo\""],
 337     [false, "./abc/. d41d8cd98f00b204e9800998ecf8427e 0:0:abc.txt\n",
 338       "invalid stream name \"./abc/.\""],
 339     [false, "./abc/.. d41d8cd98f00b204e9800998ecf8427e 0:0:abc.txt\n",
 340       "invalid stream name \"./abc/..\""],
 341     [false, "./abc/./foo d41d8cd98f00b204e9800998ecf8427e 0:0:abc.txt\n",
 342       "invalid stream name \"./abc/./foo\""],
 343     # non-empty '.'-named file tokens aren't acceptable. Empty ones are used as empty dir placeholders.
 344     [false, ". 8cf8463b34caa8ac871a52d5dd7ad1ef+1 0:1:.\n",
 345       "invalid file token \"0:1:.\""],
 346     [false, ". d41d8cd98f00b204e9800998ecf8427e 0:0:..\n",
 347       "invalid file token \"0:0:..\""],
 348     [false, ". d41d8cd98f00b204e9800998ecf8427e 0:0:./abc.txt\n",
 349       "invalid file token \"0:0:./abc.txt\""],
 350     [false, ". d41d8cd98f00b204e9800998ecf8427e 0:0:../abc.txt\n",
 351       "invalid file token \"0:0:../abc.txt\""],
 352     [false, ". d41d8cd98f00b204e9800998ecf8427e 0:0:abc.txt/.\n",
 353       "invalid file token \"0:0:abc.txt/.\""],
 354     [false, ". d41d8cd98f00b204e9800998ecf8427e 0:0:abc.txt/..\n",
 355       "invalid file token \"0:0:abc.txt/..\""],
 356     [false, ". d41d8cd98f00b204e9800998ecf8427e 0:0:a/./bc.txt\n",
 357       "invalid file token \"0:0:a/./bc.txt\""],
 358     [false, ". d41d8cd98f00b204e9800998ecf8427e 0:0:a/../bc.txt\n",
 359       "invalid file token \"0:0:a/../bc.txt\""],
 360     [false, "./abc/./foo d41d8cd98f00b204e9800998ecf8427e 0:0:abc.txt\n",
 361       "invalid stream name \"./abc/./foo\""],
 362     [false, "d41d8cd98f00b204e9800998ecf8427e+0 0:0:abc.txt\n",
 363       "invalid stream name \"d41d8cd98f00b204e9800998ecf8427e+0\""],
 364     [false, ". d41d8cd98f00b204e9800998ecf8427 0:0:abc.txt\n",
 365       "invalid locator \"d41d8cd98f00b204e9800998ecf8427\""],
 366     [false, ". d41d8cd98f00b204e9800998ecf8427e\n",
 367       "Manifest invalid for stream 1: no file tokens"],
 368     [false, ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:abc.txt\n/dir1 d41d8cd98f00b204e9800998ecf842 0:0:abc.txt\n",
 369       "Manifest invalid for stream 2: missing or invalid stream name \"/dir1\""],
 370     [false, ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:abc.txt\n./dir1 d41d8cd98f00b204e9800998ecf842 0:0:abc.txt\n",
 371       "Manifest invalid for stream 2: missing or invalid locator \"d41d8cd98f00b204e9800998ecf842\""],
 372     [false, ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:abc.txt\n./dir1 a41d8cd98f00b204e9800998ecf8427e+0 abc.txt\n",
 373       "Manifest invalid for stream 2: invalid file token \"abc.txt\""],
 374     [false, ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:abc.txt\n./dir1 a41d8cd98f00b204e9800998ecf8427e+0 0:abc.txt\n",
 375       "Manifest invalid for stream 2: invalid file token \"0:abc.txt\""],
 376     [false, ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:abc.txt\n./dir1 a41d8cd98f00b204e9800998ecf8427e+0 0:0:abc.txt xyz.txt\n",
 377       "Manifest invalid for stream 2: invalid file token \"xyz.txt\""],
 378     [false, ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:foo.txt d41d8cd98f00b204e9800998ecf8427e+0\n",
 379       "Manifest invalid for stream 1: invalid file token \"d41d8cd98f00b204e9800998ecf8427e+0\""],
 380     [false, ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:\n",
 381       "Manifest invalid for stream 1: invalid file token \"0:0:\""],
 382     [false, ". d41d8cd98f00b204e9800998ecf8427e+0\n",
 383       "Manifest invalid for stream 1: no file tokens"],
 384     [false, ". 0:0:foo.txt d41d8cd98f00b204e9800998ecf8427e+0\n",
 385       "Manifest invalid for stream 1: missing or invalid locator \"0:0:foo.txt\""],
 386     [false, ". 0:0:foo.txt\n",
 387       "Manifest invalid for stream 1: missing or invalid locator \"0:0:foo.txt\""],
 388     [false, ".\n", "Manifest invalid for stream 1: missing or invalid locator"],
 389     [false, ".", "Invalid manifest: does not end with newline"],
 390     [false, ". \n", "Manifest invalid for stream 1: missing or invalid locator"],
 391     [false, ".  \n", "Manifest invalid for stream 1: missing or invalid locator"],
 392     [false, " . d41d8cd98f00b204e9800998ecf8427e+0 0:0:foo.txt\n",
 393       "Manifest invalid for stream 1: missing or invalid stream name"],
 394     [false, ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:foo.txt \n",
 395       "stream 1: trailing space"],
 396    # TAB and other tricky whitespace characters:
 397     [false, "\v. d41d8cd98f00b204e9800998ecf8427e+0 0:0:foo.txt\n",
 398       "Manifest invalid for stream 1: missing or invalid stream name \"\\v."],
 399     [false, "./foo\vbar d41d8cd98f00b204e9800998ecf8427e+0 0:0:foo.txt\n",
 400       "Manifest invalid for stream 1: missing or invalid stream name \"./foo\\vbar"],
 401     [false, "\t. d41d8cd98f00b204e9800998ecf8427e+0 0:0:foo.txt\n",
 402       "Manifest invalid for stream 1: missing or invalid stream name \"\\t"],
 403     [false, ".\td41d8cd98f00b204e9800998ecf8427e+0 0:0:foo.txt\n",
 404       "Manifest invalid for stream 1: missing or invalid stream name \".\\t"],
 405     [false, ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:foo.txt\t\n",
 406       "stream 1: invalid file token \"0:0:foo.txt\\t\""],
 407     [false, ". d41d8cd98f00b204e9800998ecf8427e+0\t 0:0:foo.txt\n",
 408       "stream 1: missing or invalid locator \"d41d8cd98f00b204e9800998ecf8427e+0\\t\""],
 409     [false, "./foo\tbar d41d8cd98f00b204e9800998ecf8427e+0 0:0:foo.txt\n",
 410       "stream 1: missing or invalid stream name \"./foo\\tbar\""],
 411     # other whitespace errors:
 412     [false, ". d41d8cd98f00b204e9800998ecf8427e+0  0:0:foo.txt\n",
 413       "Manifest invalid for stream 1: invalid file token \"\""],
 414     [false, ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:foo.txt\n \n",
 415       "Manifest invalid for stream 2: missing stream name"],
 416     [false, ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:foo.txt\n\n",
 417       "Manifest invalid for stream 2: missing stream name"],
 418     [false, ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:foo.txt\n ",
 419       "Invalid manifest: does not end with newline"],
 420     [false, "\n. d41d8cd98f00b204e9800998ecf8427e+0 0:0:foo.txt\n",
 421       "Manifest invalid for stream 1: missing stream name"],
 422     [false, " \n. d41d8cd98f00b204e9800998ecf8427e+0 0:0:foo.txt\n",
 423       "Manifest invalid for stream 1: missing stream name"],
 424     # empty file and stream name components:
 425     [false, ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:/foo.txt\n",
 426       "Manifest invalid for stream 1: invalid file token \"0:0:/foo.txt\""],
 427     [false, "./ d41d8cd98f00b204e9800998ecf8427e+0 0:0:foo.txt\n",
 428       "Manifest invalid for stream 1: missing or invalid stream name \"./\""],
 429     [false, ".//foo d41d8cd98f00b204e9800998ecf8427e+0 0:0:foo.txt\n",
 430       "Manifest invalid for stream 1: missing or invalid stream name \".//foo\""],
 431     [false, "./foo/ d41d8cd98f00b204e9800998ecf8427e+0 0:0:foo.txt\n",
 432       "Manifest invalid for stream 1: missing or invalid stream name \"./foo/\""],
 433     [false, "./foo//bar d41d8cd98f00b204e9800998ecf8427e+0 0:0:foo.txt\n",
 434       "Manifest invalid for stream 1: missing or invalid stream name \"./foo//bar\""],
 435     [false, ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:foo//bar.txt\n",
 436       "Manifest invalid for stream 1: invalid file token \"0:0:foo//bar.txt\""],
 437     [false, ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:foo/\n",
 438       "Manifest invalid for stream 1: invalid file token \"0:0:foo/\""],
 439     # escaped chars
 440     [true, "./empty_dir d41d8cd98f00b204e9800998ecf8427e+0 0:0:\\056\n"],
 441     [true, ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:foo\\057bar\n"],
 442     [true, ".\\057Data d41d8cd98f00b204e9800998ecf8427e+0 0:0:foo\n"],
 443     [false, ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:foo\\057/bar\n",
 444       "Manifest invalid for stream 1: invalid file token \"0:0:foo\\\\057/bar\""],
 445     [false, ".\\057/Data d41d8cd98f00b204e9800998ecf8427e+0 0:0:foo\n",
 446       "Manifest invalid for stream 1: missing or invalid stream name \".\\\\057/Data\""],
 447     [true, "./Data\\040Folder d41d8cd98f00b204e9800998ecf8427e+0 0:0:foo\n"],
 448     [false, ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:\\057foo/bar\n",
 449       "Manifest invalid for stream 1: invalid file token \"0:0:\\\\057foo/bar\""],
 450     [true, ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:\\134057foo/bar\n"],
 451     [false, ". d41d8cd98f00b204e9800998ecf8427e+0 \\040:\\040:foo.txt\n",
 452       "Manifest invalid for stream 1: invalid file token \"\\\\040:\\\\040:foo.txt\""],
 453   ].each do |ok, manifest, expected_error=nil|
 454     define_method "test_validate manifest #{manifest.inspect}" do
 455       assert_equal ok, Keep::Manifest.valid?(manifest)
 456       if ok
 457         assert Keep::Manifest.validate! manifest
 458       else
 459         begin
 460           Keep::Manifest.validate! manifest
 461         rescue ArgumentError => e
 462           msg = e.message
 463         end
 464         refute_nil msg, "Expected ArgumentError"
 465         assert msg.include?(expected_error), "Did not find expected error message. Expected: #{expected_error}; Actual: #{msg}"
 466       end
 467     end
 468   end
 469 end