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