History - Kiln » Dependencies » Dulwich - Kiln

We are currently indexing your data, so search results may be incomplete until we finish.

This is a Git-only repository.

Dependencies »

Dulwich Read More

Clone URL:

Copy to Clipboard

Pushed to one repository ·

View In Graph Contained in master

pack: Split testing of large pack index files into separate test.

Changeset 84010d1db06f …

Parent 320d6e8e7c2e …

by Jelmer Vernooij Oct 30 12 at 11:23 PM

Changes to 2 files · Browse files at 84010d1db06f Showing diff from parent 320d6e8e7c2e Diff from another changeset...

Change 1 of 2 Show Changes Only Show Entire File Loading... dulwich/pack.py Stacked
629 630 631 632 633 634 635 1566 1567 1568 1569 1570 1571 1572	629 630 631 632 633 634 635 1566 1567 1568 1569 1570 1571 1572 1573	@@ -629,7 +629,7 @@ `def _unpack_offset(self, i):` `offset = self._pack_offset_table_offset + i * 4` `offset = unpack_from('>L', self._contents, offset)[0]`-`if (offset&(231)):`+`if offset & (231):` `offset = self._pack_offset_largetable_offset + (offset&(2*31-1)) 8L` `offset = unpack_from('>Q', self._contents, offset)[0]` `return offset`@@ -1566,7 +1566,8 @@ `f.write(struct.pack('>L', fan_out_table[i]))` `fan_out_table[i+1] += fan_out_table[i]` `for (name, offset, entry_checksum) in entries:`-`assert offset <= 0xffffffff`+`if not (offset <= 0xffffffff):`+`raise TypeError("pack format 1 only supports offsets < 2Gb")` `f.write(struct.pack('>L20s', offset, name))` `assert len(pack_checksum) == 20` `f.write(pack_checksum)`

Change 1 of 4 Show Changes Only Show Entire File Loading... dulwich/tests/test_pack.py Stacked
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	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	`# test_pack.py -- Tests for the handling of git packs.` `# Copyright (C) 2007 James Westby <jw+debian@jameswestby.net>` `# Copyright (C) 2008 Jelmer Vernooij <jelmer@samba.org>` `#` `# This program is free software; you can redistribute it and/or` `# modify it under the terms of the GNU General Public License` `# as published by the Free Software Foundation; version 2` `# of the License, or (at your option) any later version of the license.` `#` `# This program is distributed in the hope that it will be useful,` `# but WITHOUT ANY WARRANTY; without even the implied warranty of` `# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the` `# GNU General Public License for more details.` `#` `# You should have received a copy of the GNU General Public License` `# along with this program; if not, write to the Free Software` `# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,` `# MA 02110-1301, USA.` `"""Tests for Dulwich packs."""` `from cStringIO import StringIO` `import os` `import shutil` `import tempfile` `import zlib` `from dulwich._compat import (` `make_sha,` `)` `from dulwich.errors import (` `ChecksumMismatch,` `)` `from dulwich.file import (` `GitFile,` `)` `from dulwich.object_store import (` `MemoryObjectStore,` `)` `from dulwich.objects import (` `Blob,` `hex_to_sha,` `sha_to_hex,` `Commit,` `Tree,` `Blob,` `)` `from dulwich.pack import (` `OFS_DELTA,` `REF_DELTA,` `DELTA_TYPES,` `MemoryPackIndex,` `Pack,` `PackData,` `apply_delta,` `create_delta,` `deltify_pack_objects,` `load_pack_index,` `UnpackedObject,` `read_zlib_chunks,` `write_pack_header,` `write_pack_index_v1,` `write_pack_index_v2,` `SHA1Writer,` `write_pack_object,` `write_pack,` `unpack_object,` `compute_file_sha,` `PackStreamReader,` `DeltaChainIterator,` `)` `from dulwich.tests import (` `TestCase,` `)` `from utils import (` `make_object,` `build_pack,` `)` `pack1_sha = 'bc63ddad95e7321ee734ea11a7a62d314e0d7481'` `a_sha = '6f670c0fb53f9463760b7295fbb814e965fb20c8'` `tree_sha = 'b2a2766a2879c209ab1176e7e778b81ae422eeaa'` `commit_sha = 'f18faa16531ac570a3fdc8c7ca16682548dafd12'` `class PackTests(TestCase):` `"""Base class for testing packs"""` `def setUp(self):` `super(PackTests, self).setUp()` `self.tempdir = tempfile.mkdtemp()` `self.addCleanup(shutil.rmtree, self.tempdir)` `datadir = os.path.abspath(os.path.join(os.path.dirname(__file__),` `'data/packs'))` `def get_pack_index(self, sha):` `"""Returns a PackIndex from the datadir with the given sha"""` `return load_pack_index(os.path.join(self.datadir, 'pack-%s.idx' % sha))` `def get_pack_data(self, sha):` `"""Returns a PackData object from the datadir with the given sha"""` `return PackData(os.path.join(self.datadir, 'pack-%s.pack' % sha))` `def get_pack(self, sha):` `return Pack(os.path.join(self.datadir, 'pack-%s' % sha))` `def assertSucceeds(self, func, args, kwargs):` `try:` `func(args, *kwargs)` `except ChecksumMismatch, e:` `self.fail(e)` `class PackIndexTests(PackTests):` `"""Class that tests the index of packfiles"""` `def test_object_index(self):` `"""Tests that the correct object offset is returned from the index."""` `p = self.get_pack_index(pack1_sha)` `self.assertRaises(KeyError, p.object_index, pack1_sha)` `self.assertEqual(p.object_index(a_sha), 178)` `self.assertEqual(p.object_index(tree_sha), 138)` `self.assertEqual(p.object_index(commit_sha), 12)` `def test_index_len(self):` `p = self.get_pack_index(pack1_sha)` `self.assertEqual(3, len(p))` `def test_get_stored_checksum(self):` `p = self.get_pack_index(pack1_sha)` `self.assertEqual('f2848e2ad16f329ae1c92e3b95e91888daa5bd01',` `sha_to_hex(p.get_stored_checksum()))` `self.assertEqual('721980e866af9a5f93ad674144e1459b8ba3e7b7',` `sha_to_hex(p.get_pack_checksum()))` `def test_index_check(self):` `p = self.get_pack_index(pack1_sha)` `self.assertSucceeds(p.check)` `def test_iterentries(self):` `p = self.get_pack_index(pack1_sha)` `entries = [(sha_to_hex(s), o, c) for s, o, c in p.iterentries()]` `self.assertEqual([` `('6f670c0fb53f9463760b7295fbb814e965fb20c8', 178, None),` `('b2a2766a2879c209ab1176e7e778b81ae422eeaa', 138, None),` `('f18faa16531ac570a3fdc8c7ca16682548dafd12', 12, None)` `], entries)` `def test_iter(self):` `p = self.get_pack_index(pack1_sha)` `self.assertEqual(set([tree_sha, commit_sha, a_sha]), set(p))` `class TestPackDeltas(TestCase):` `test_string1 = 'The answer was flailing in the wind'` `test_string2 = 'The answer was falling down the pipe'` `test_string3 = 'zzzzz'` `test_string_empty = ''` `test_string_big = 'Z' 8192` `test_string_huge = 'Z' * 100000` `def _test_roundtrip(self, base, target):` `self.assertEqual(target,` `''.join(apply_delta(base, create_delta(base, target))))` `def test_nochange(self):` `self._test_roundtrip(self.test_string1, self.test_string1)` `def test_change(self):` `self._test_roundtrip(self.test_string1, self.test_string2)` `def test_rewrite(self):` `self._test_roundtrip(self.test_string1, self.test_string3)` `def test_overflow(self):` `self._test_roundtrip(self.test_string_empty, self.test_string_big)` `def test_overflow_64k(self):` `self.skipTest("big strings don't work yet")` `self._test_roundtrip(self.test_string_huge, self.test_string_huge)` `class TestPackData(PackTests):` `"""Tests getting the data from the packfile."""` `def test_create_pack(self):` `p = self.get_pack_data(pack1_sha)` `def test_from_file(self):` `path = os.path.join(self.datadir, 'pack-%s.pack' % pack1_sha)` `PackData.from_file(open(path), os.path.getsize(path))` `def test_pack_len(self):` `p = self.get_pack_data(pack1_sha)` `self.assertEqual(3, len(p))` `def test_index_check(self):` `p = self.get_pack_data(pack1_sha)` `self.assertSucceeds(p.check)` `def test_iterobjects(self):` `p = self.get_pack_data(pack1_sha)` `commit_data = ('tree b2a2766a2879c209ab1176e7e778b81ae422eeaa\n'` `'author James Westby <jw+debian@jameswestby.net> '` `'1174945067 +0100\n'` `'committer James Westby <jw+debian@jameswestby.net> '` `'1174945067 +0100\n'` `'\n'` `'Test commit\n')` `blob_sha = '6f670c0fb53f9463760b7295fbb814e965fb20c8'` `tree_data = '100644 a\0%s' % hex_to_sha(blob_sha)` `actual = []` `for offset, type_num, chunks, crc32 in p.iterobjects():` `actual.append((offset, type_num, ''.join(chunks), crc32))` `self.assertEqual([` `(12, 1, commit_data, 3775879613L),` `(138, 2, tree_data, 912998690L),` `(178, 3, 'test 1\n', 1373561701L)` `], actual)` `def test_iterentries(self):` `p = self.get_pack_data(pack1_sha)` `entries = set((sha_to_hex(s), o, c) for s, o, c in p.iterentries())` `self.assertEqual(set([` `('6f670c0fb53f9463760b7295fbb814e965fb20c8', 178, 1373561701L),` `('b2a2766a2879c209ab1176e7e778b81ae422eeaa', 138, 912998690L),` `('f18faa16531ac570a3fdc8c7ca16682548dafd12', 12, 3775879613L),` `]), entries)` `def test_create_index_v1(self):` `p = self.get_pack_data(pack1_sha)` `filename = os.path.join(self.tempdir, 'v1test.idx')` `p.create_index_v1(filename)` `idx1 = load_pack_index(filename)` `idx2 = self.get_pack_index(pack1_sha)` `self.assertEqual(idx1, idx2)` `def test_create_index_v2(self):` `p = self.get_pack_data(pack1_sha)` `filename = os.path.join(self.tempdir, 'v2test.idx')` `p.create_index_v2(filename)` `idx1 = load_pack_index(filename)` `idx2 = self.get_pack_index(pack1_sha)` `self.assertEqual(idx1, idx2)` `def test_compute_file_sha(self):` `f = StringIO('abcd1234wxyz')` `self.assertEqual(make_sha('abcd1234wxyz').hexdigest(),` `compute_file_sha(f).hexdigest())` `self.assertEqual(make_sha('abcd1234wxyz').hexdigest(),` `compute_file_sha(f, buffer_size=5).hexdigest())` `self.assertEqual(make_sha('abcd1234').hexdigest(),` `compute_file_sha(f, end_ofs=-4).hexdigest())` `self.assertEqual(make_sha('1234wxyz').hexdigest(),` `compute_file_sha(f, start_ofs=4).hexdigest())` `self.assertEqual(` `make_sha('1234').hexdigest(),` `compute_file_sha(f, start_ofs=4, end_ofs=-4).hexdigest())` `class TestPack(PackTests):` `def test_len(self):` `p = self.get_pack(pack1_sha)` `self.assertEqual(3, len(p))` `def test_contains(self):` `p = self.get_pack(pack1_sha)` `self.assertTrue(tree_sha in p)` `def test_get(self):` `p = self.get_pack(pack1_sha)` `self.assertEqual(type(p[tree_sha]), Tree)` `def test_iter(self):` `p = self.get_pack(pack1_sha)` `self.assertEqual(set([tree_sha, commit_sha, a_sha]), set(p))` `def test_iterobjects(self):` `p = self.get_pack(pack1_sha)` `expected = set([p[s] for s in [commit_sha, tree_sha, a_sha]])` `self.assertEqual(expected, set(list(p.iterobjects())))` `def test_pack_tuples(self):` `p = self.get_pack(pack1_sha)` `tuples = p.pack_tuples()` `expected = set([(p[s], None) for s in [commit_sha, tree_sha, a_sha]])` `self.assertEqual(expected, set(list(tuples)))` `self.assertEqual(expected, set(list(tuples)))` `self.assertEqual(3, len(tuples))` `def test_get_object_at(self):` `"""Tests random access for non-delta objects"""` `p = self.get_pack(pack1_sha)` `obj = p[a_sha]` `self.assertEqual(obj.type_name, 'blob')` `self.assertEqual(obj.sha().hexdigest(), a_sha)` `obj = p[tree_sha]` `self.assertEqual(obj.type_name, 'tree')` `self.assertEqual(obj.sha().hexdigest(), tree_sha)` `obj = p[commit_sha]` `self.assertEqual(obj.type_name, 'commit')` `self.assertEqual(obj.sha().hexdigest(), commit_sha)` `def test_copy(self):` `origpack = self.get_pack(pack1_sha)` `try:` `self.assertSucceeds(origpack.index.check)` `basename = os.path.join(self.tempdir, 'Elch')` `write_pack(basename, origpack.pack_tuples())` `newpack = Pack(basename)` `try:` `self.assertEqual(origpack, newpack)` `self.assertSucceeds(newpack.index.check)` `self.assertEqual(origpack.name(), newpack.name())` `self.assertEqual(origpack.index.get_pack_checksum(),` `newpack.index.get_pack_checksum())` `wrong_version = origpack.index.version != newpack.index.version` `orig_checksum = origpack.index.get_stored_checksum()` `new_checksum = newpack.index.get_stored_checksum()` `self.assertTrue(wrong_version or orig_checksum == new_checksum)` `finally:` `newpack.close()` `finally:` `origpack.close()` `def test_commit_obj(self):` `p = self.get_pack(pack1_sha)` `commit = p[commit_sha]` `self.assertEqual('James Westby <jw+debian@jameswestby.net>',` `commit.author)` `self.assertEqual([], commit.parents)` `def _copy_pack(self, origpack):` `basename = os.path.join(self.tempdir, 'somepack')` `write_pack(basename, origpack.pack_tuples())` `return Pack(basename)` `def test_keep_no_message(self):` `p = self.get_pack(pack1_sha)` `p = self._copy_pack(p)` `keepfile_name = p.keep()` `# file should exist` `self.assertTrue(os.path.exists(keepfile_name))` `f = open(keepfile_name, 'r')` `try:` `buf = f.read()` `self.assertEqual('', buf)` `finally:` `f.close()` `def test_keep_message(self):` `p = self.get_pack(pack1_sha)` `p = self._copy_pack(p)` `msg = 'some message'` `keepfile_name = p.keep(msg)` `# file should exist` `self.assertTrue(os.path.exists(keepfile_name))` `# and contain the right message, with a linefeed` `f = open(keepfile_name, 'r')` `try:` `buf = f.read()` `self.assertEqual(msg + '\n', buf)` `finally:` `f.close()` `def test_name(self):` `p = self.get_pack(pack1_sha)` `self.assertEqual(pack1_sha, p.name())` `def test_length_mismatch(self):` `data = self.get_pack_data(pack1_sha)` `index = self.get_pack_index(pack1_sha)` `Pack.from_objects(data, index).check_length_and_checksum()` `data._file.seek(12)` `bad_file = StringIO()` `write_pack_header(bad_file, 9999)` `bad_file.write(data._file.read())` `bad_file = StringIO(bad_file.getvalue())` `bad_data = PackData('', file=bad_file)` `bad_pack = Pack.from_lazy_objects(lambda: bad_data, lambda: index)` `self.assertRaises(AssertionError, lambda: bad_pack.data)` `self.assertRaises(AssertionError,` `lambda: bad_pack.check_length_and_checksum())` `def test_checksum_mismatch(self):` `data = self.get_pack_data(pack1_sha)` `index = self.get_pack_index(pack1_sha)` `Pack.from_objects(data, index).check_length_and_checksum()` `data._file.seek(0)` `bad_file = StringIO(data._file.read()[:-20] + ('\xff' * 20))` `bad_data = PackData('', file=bad_file)` `bad_pack = Pack.from_lazy_objects(lambda: bad_data, lambda: index)` `self.assertRaises(ChecksumMismatch, lambda: bad_pack.data)` `self.assertRaises(ChecksumMismatch, lambda:` `bad_pack.check_length_and_checksum())` `def test_iterobjects(self):` `p = self.get_pack(pack1_sha)` `objs = dict((o.id, o) for o in p.iterobjects())` `self.assertEqual(3, len(objs))` `self.assertEqual(sorted(objs), sorted(p.index))` `self.assertTrue(isinstance(objs[a_sha], Blob))` `self.assertTrue(isinstance(objs[tree_sha], Tree))` `self.assertTrue(isinstance(objs[commit_sha], Commit))` `class WritePackTests(TestCase):` `def test_write_pack_header(self):` `f = StringIO()` `write_pack_header(f, 42)` `self.assertEqual('PACK\x00\x00\x00\x02\x00\x00\x00',` `f.getvalue())` `def test_write_pack_object(self):` `f = StringIO()` `f.write('header')` `offset = f.tell()` `crc32 = write_pack_object(f, Blob.type_num, 'blob')` `self.assertEqual(crc32, zlib.crc32(f.getvalue()[6:]) & 0xffffffff)` `f.write('x') # unpack_object needs extra trailing data.` `f.seek(offset)` `comp_len = len(f.getvalue()) - offset - 1` `unpacked, unused = unpack_object(f.read, compute_crc32=True)` `self.assertEqual(Blob.type_num, unpacked.pack_type_num)` `self.assertEqual(Blob.type_num, unpacked.obj_type_num)` `self.assertEqual(['blob'], unpacked.decomp_chunks)` `self.assertEqual(crc32, unpacked.crc32)` `self.assertEqual('x', unused)` `def test_write_pack_object_sha(self):` `f = StringIO()` `f.write('header')` `offset = f.tell()` `sha_a = make_sha('foo')` `sha_b = sha_a.copy()` `write_pack_object(f, Blob.type_num, 'blob', sha=sha_a)` `self.assertNotEqual(sha_a.digest(), sha_b.digest())` `sha_b.update(f.getvalue()[offset:])` `self.assertEqual(sha_a.digest(), sha_b.digest())` `pack_checksum = hex_to_sha('721980e866af9a5f93ad674144e1459b8ba3e7b7')` `class BaseTestPackIndexWriting(object):` `def assertSucceeds(self, func, args, *kwargs):` `try:` `func(args, kwargs)` `except ChecksumMismatch, e:` `self.fail(e)` `def index(self, filename, entries, pack_checksum):` `raise NotImplementedError(self.index)` `def test_empty(self):` `idx = self.index('empty.idx', [], pack_checksum)` `self.assertEqual(idx.get_pack_checksum(), pack_checksum)` `self.assertEqual(0, len(idx))` +`def test_large(self):`+`entry1_sha = hex_to_sha('4e6388232ec39792661e2e75db8fb117fc869ce6')`+`entry2_sha = hex_to_sha('e98f071751bd77f59967bfa671cd2caebdccc9a2')`+`entries = [(entry1_sha, 0xf2972d0830529b87, 24),`+`(entry2_sha, (~0xf2972d0830529b87)&(264-1), 92)]`+`if not self._supports_large:`+`self.assertRaises(TypeError, self.index, 'single.idx',`+`entries, pack_checksum)`+`return`+`idx = self.index('single.idx', entries, pack_checksum)`+`self.assertEqual(idx.get_pack_checksum(), pack_checksum)`+`self.assertEqual(2, len(idx))`+`actual_entries = list(idx.iterentries())`+`self.assertEqual(len(entries), len(actual_entries))`+`for mine, actual in zip(entries, actual_entries):`+`my_sha, my_offset, my_crc = mine`+`actual_sha, actual_offset, actual_crc = actual`+`self.assertEqual(my_sha, actual_sha)`+`self.assertEqual(my_offset, actual_offset)`+`if self._has_crc32_checksum:`+`self.assertEqual(my_crc, actual_crc)`+`else:`+`self.assertTrue(actual_crc is None)`+ `def test_single(self):` `entry_sha = hex_to_sha('6f670c0fb53f9463760b7295fbb814e965fb20c8')` `my_entries = [(entry_sha, 178, 42)]`-`if self._has_crc32_checksum:`-`entry_sha = hex_to_sha('4e6388232ec39792661e2e75db8fb117fc869ce6')`-`my_entries.append([entry_sha, 0xf2972d0830529b87, 24])`-`entry_sha = hex_to_sha('e98f071751bd77f59967bfa671cd2caebdccc9a2')`-`my_entries.append([entry_sha, (~0xf2972d0830529b87)&(264-1), 92])` `idx = self.index('single.idx', my_entries, pack_checksum)` `self.assertEqual(idx.get_pack_checksum(), pack_checksum)`-`self.assertEqual(len(my_entries), len(idx))`+`self.assertEqual(1, len(idx))` `actual_entries = list(idx.iterentries())` `self.assertEqual(len(my_entries), len(actual_entries))` `for mine, actual in zip(my_entries, actual_entries):` `my_sha, my_offset, my_crc = mine` `actual_sha, actual_offset, actual_crc = actual` `self.assertEqual(my_sha, actual_sha)` `self.assertEqual(my_offset, actual_offset)` `if self._has_crc32_checksum:` `self.assertEqual(my_crc, actual_crc)` `else:` `self.assertTrue(actual_crc is None)` `class BaseTestFilePackIndexWriting(BaseTestPackIndexWriting):` `def setUp(self):` `self.tempdir = tempfile.mkdtemp()` `def tearDown(self):` `shutil.rmtree(self.tempdir)` `def index(self, filename, entries, pack_checksum):` `path = os.path.join(self.tempdir, filename)` `self.writeIndex(path, entries, pack_checksum)` `idx = load_pack_index(path)` `self.assertSucceeds(idx.check)` `self.assertEqual(idx.version, self._expected_version)` `return idx` `def writeIndex(self, filename, entries, pack_checksum):` `# FIXME: Write to StringIO instead rather than hitting disk ?` `f = GitFile(filename, "wb")` `try:` `self._write_fn(f, entries, pack_checksum)` `finally:` `f.close()` `class TestMemoryIndexWriting(TestCase, BaseTestPackIndexWriting):` `def setUp(self):` `TestCase.setUp(self)` `self._has_crc32_checksum = True`+`self._supports_large = True` `def index(self, filename, entries, pack_checksum):` `return MemoryPackIndex(entries, pack_checksum)` `def tearDown(self):` `TestCase.tearDown(self)` `class TestPackIndexWritingv1(TestCase, BaseTestFilePackIndexWriting):` `def setUp(self):` `TestCase.setUp(self)` `BaseTestFilePackIndexWriting.setUp(self)` `self._has_crc32_checksum = False` `self._expected_version = 1`+`self._supports_large = False` `self._write_fn = write_pack_index_v1` `def tearDown(self):` `TestCase.tearDown(self)` `BaseTestFilePackIndexWriting.tearDown(self)` `class TestPackIndexWritingv2(TestCase, BaseTestFilePackIndexWriting):` `def setUp(self):` `TestCase.setUp(self)` `BaseTestFilePackIndexWriting.setUp(self)` `self._has_crc32_checksum = True`+`self._supports_large = True` `self._expected_version = 2` `self._write_fn = write_pack_index_v2` `def tearDown(self):` `TestCase.tearDown(self)` `BaseTestFilePackIndexWriting.tearDown(self)` `class ReadZlibTests(TestCase):` `decomp = (` `'tree 4ada885c9196b6b6fa08744b5862bf92896fc002\n'` `'parent None\n'` `'author Jelmer Vernooij <jelmer@samba.org> 1228980214 +0000\n'` `'committer Jelmer Vernooij <jelmer@samba.org> 1228980214 +0000\n'` `'\n'` `"Provide replacement for mmap()'s offset argument.")` `comp = zlib.compress(decomp)` `extra = 'nextobject'` `def setUp(self):` `super(ReadZlibTests, self).setUp()` `self.read = StringIO(self.comp + self.extra).read` `self.unpacked = UnpackedObject(Tree.type_num, None, len(self.decomp), 0)` `def test_decompress_size(self):` `good_decomp_len = len(self.decomp)` `self.unpacked.decomp_len = -1` `self.assertRaises(ValueError, read_zlib_chunks, self.read,` `self.unpacked)` `self.unpacked.decomp_len = good_decomp_len - 1` `self.assertRaises(zlib.error, read_zlib_chunks, self.read,` `self.unpacked)` `self.unpacked.decomp_len = good_decomp_len + 1` `self.assertRaises(zlib.error, read_zlib_chunks, self.read,` `self.unpacked)` `def test_decompress_truncated(self):` `read = StringIO(self.comp[:10]).read` `self.assertRaises(zlib.error, read_zlib_chunks, read, self.unpacked)` `read = StringIO(self.comp).read` `self.assertRaises(zlib.error, read_zlib_chunks, read, self.unpacked)` `def test_decompress_empty(self):` `unpacked = UnpackedObject(Tree.type_num, None, 0, None)` `comp = zlib.compress('')` `read = StringIO(comp + self.extra).read` `unused = read_zlib_chunks(read, unpacked)` `self.assertEqual('', ''.join(unpacked.decomp_chunks))` `self.assertNotEquals('', unused)` `self.assertEqual(self.extra, unused + read())` `def test_decompress_no_crc32(self):` `self.unpacked.crc32 = None` `read_zlib_chunks(self.read, self.unpacked)` `self.assertEqual(None, self.unpacked.crc32)` `def _do_decompress_test(self, buffer_size, kwargs):` `unused = read_zlib_chunks(self.read, self.unpacked,` `buffer_size=buffer_size, *kwargs)` `self.assertEqual(self.decomp, ''.join(self.unpacked.decomp_chunks))` `self.assertEqual(zlib.crc32(self.comp), self.unpacked.crc32)` `self.assertNotEquals('', unused)` `self.assertEqual(self.extra, unused + self.read())` `def test_simple_decompress(self):` `self._do_decompress_test(4096)` `self.assertEqual(None, self.unpacked.comp_chunks)` `# These buffer sizes are not intended to be realistic, but rather simulate` `# larger buffer sizes that may end at various places.` `def test_decompress_buffer_size_1(self):` `self._do_decompress_test(1)` `def test_decompress_buffer_size_2(self):` `self._do_decompress_test(2)` `def test_decompress_buffer_size_3(self):` `self._do_decompress_test(3)` `def test_decompress_buffer_size_4(self):` `self._do_decompress_test(4)` `def test_decompress_include_comp(self):` `self._do_decompress_test(4096, include_comp=True)` `self.assertEqual(self.comp, ''.join(self.unpacked.comp_chunks))` `class DeltifyTests(TestCase):` `def test_empty(self):` `self.assertEqual([], list(deltify_pack_objects([])))` `def test_single(self):` `b = Blob.from_string("foo")` `self.assertEqual(` `[(b.type_num, b.sha().digest(), None, b.as_raw_string())],` `list(deltify_pack_objects([(b, "")])))` `def test_simple_delta(self):` `b1 = Blob.from_string("a" 101)` `b2 = Blob.from_string("a" * 100)` `delta = create_delta(b1.as_raw_string(), b2.as_raw_string())` `self.assertEqual([` `(b1.type_num, b1.sha().digest(), None, b1.as_raw_string()),` `(b2.type_num, b2.sha().digest(), b1.sha().digest(), delta)` `],` `list(deltify_pack_objects([(b1, ""), (b2, "")])))` `class TestPackStreamReader(TestCase):` `def test_read_objects_emtpy(self):` `f = StringIO()` `build_pack(f, [])` `reader = PackStreamReader(f.read)` `self.assertEqual(0, len(list(reader.read_objects())))` `def test_read_objects(self):` `f = StringIO()` `entries = build_pack(f, [` `(Blob.type_num, 'blob'),` `(OFS_DELTA, (0, 'blob1')),` `])` `reader = PackStreamReader(f.read)` `objects = list(reader.read_objects(compute_crc32=True))` `self.assertEqual(2, len(objects))` `unpacked_blob, unpacked_delta = objects` `self.assertEqual(entries[0][0], unpacked_blob.offset)` `self.assertEqual(Blob.type_num, unpacked_blob.pack_type_num)` `self.assertEqual(Blob.type_num, unpacked_blob.obj_type_num)` `self.assertEqual(None, unpacked_blob.delta_base)` `self.assertEqual('blob', ''.join(unpacked_blob.decomp_chunks))` `self.assertEqual(entries[0][4], unpacked_blob.crc32)` `self.assertEqual(entries[1][0], unpacked_delta.offset)` `self.assertEqual(OFS_DELTA, unpacked_delta.pack_type_num)` `self.assertEqual(None, unpacked_delta.obj_type_num)` `self.assertEqual(unpacked_delta.offset - unpacked_blob.offset,` `unpacked_delta.delta_base)` `delta = create_delta('blob', 'blob1')` `self.assertEqual(delta, ''.join(unpacked_delta.decomp_chunks))` `self.assertEqual(entries[1][4], unpacked_delta.crc32)` `def test_read_objects_buffered(self):` `f = StringIO()` `build_pack(f, [` `(Blob.type_num, 'blob'),` `(OFS_DELTA, (0, 'blob1')),` `])` `reader = PackStreamReader(f.read, zlib_bufsize=4)` `self.assertEqual(2, len(list(reader.read_objects())))` `def test_read_objects_empty(self):` `reader = PackStreamReader(StringIO().read)` `self.assertEqual([], list(reader.read_objects()))` `class TestPackIterator(DeltaChainIterator):` `_compute_crc32 = True` `def __init__(self, args, kwargs):` `super(TestPackIterator, self).__init__(args, **kwargs)` `self._unpacked_offsets = set()` `def _result(self, unpacked):` `"""Return entries in the same format as build_pack."""` `return (unpacked.offset, unpacked.obj_type_num,` `''.join(unpacked.obj_chunks), unpacked.sha(), unpacked.crc32)` `def _resolve_object(self, offset, pack_type_num, base_chunks):` `assert offset not in self._unpacked_offsets, (` `'Attempted to re-inflate offset %i' % offset)` `self._unpacked_offsets.add(offset)` `return super(TestPackIterator, self)._resolve_object(` `offset, pack_type_num, base_chunks)` `class DeltaChainIteratorTests(TestCase):` `def setUp(self):` `super(DeltaChainIteratorTests, self).setUp()` `self.store = MemoryObjectStore()` `self.fetched = set()` `def store_blobs(self, blobs_data):` `blobs = []` `for data in blobs_data:` `blob = make_object(Blob, data=data)` `blobs.append(blob)` `self.store.add_object(blob)` `return blobs` `def get_raw_no_repeat(self, bin_sha):` `"""Wrapper around store.get_raw that doesn't allow repeat lookups."""` `hex_sha = sha_to_hex(bin_sha)` `self.assertFalse(hex_sha in self.fetched,` `'Attempted to re-fetch object %s' % hex_sha)` `self.fetched.add(hex_sha)` `return self.store.get_raw(hex_sha)` `def make_pack_iter(self, f, thin=None):` `if thin is None:` `thin = bool(list(self.store))` `resolve_ext_ref = thin and self.get_raw_no_repeat or None` `data = PackData('test.pack', file=f)` `return TestPackIterator.for_pack_data(` `data, resolve_ext_ref=resolve_ext_ref)` `def assertEntriesMatch(self, expected_indexes, entries, pack_iter):` `expected = [entries[i] for i in expected_indexes]` `self.assertEqual(expected, list(pack_iter._walk_all_chains()))` `def test_no_deltas(self):` `f = StringIO()` `entries = build_pack(f, [` `(Commit.type_num, 'commit'),` `(Blob.type_num, 'blob'),` `(Tree.type_num, 'tree'),` `])` `self.assertEntriesMatch([0, 1, 2], entries, self.make_pack_iter(f))` `def test_ofs_deltas(self):` `f = StringIO()` `entries = build_pack(f, [` `(Blob.type_num, 'blob'),` `(OFS_DELTA, (0, 'blob1')),` `(OFS_DELTA, (0, 'blob2')),` `])` `self.assertEntriesMatch([0, 1, 2], entries, self.make_pack_iter(f))` `def test_ofs_deltas_chain(self):` `f = StringIO()` `entries = build_pack(f, [` `(Blob.type_num, 'blob'),` `(OFS_DELTA, (0, 'blob1')),` `(OFS_DELTA, (1, 'blob2')),` `])` `self.assertEntriesMatch([0, 1, 2], entries, self.make_pack_iter(f))` `def test_ref_deltas(self):` `f = StringIO()` `entries = build_pack(f, [` `(REF_DELTA, (1, 'blob1')),` `(Blob.type_num, ('blob')),` `(REF_DELTA, (1, 'blob2')),` `])` `self.assertEntriesMatch([1, 0, 2], entries, self.make_pack_iter(f))` `def test_ref_deltas_chain(self):` `f = StringIO()` `entries = build_pack(f, [` `(REF_DELTA, (2, 'blob1')),` `(Blob.type_num, ('blob')),` `(REF_DELTA, (1, 'blob2')),` `])` `self.assertEntriesMatch([1, 2, 0], entries, self.make_pack_iter(f))` `def test_ofs_and_ref_deltas(self):` `# Deltas pending on this offset are popped before deltas depending on` `# this ref.` `f = StringIO()` `entries = build_pack(f, [` `(REF_DELTA, (1, 'blob1')),` `(Blob.type_num, ('blob')),` `(OFS_DELTA, (1, 'blob2')),` `])` `self.assertEntriesMatch([1, 2, 0], entries, self.make_pack_iter(f))` `def test_mixed_chain(self):` `f = StringIO()` `entries = build_pack(f, [` `(Blob.type_num, 'blob'),` `(REF_DELTA, (2, 'blob2')),` `(OFS_DELTA, (0, 'blob1')),` `(OFS_DELTA, (1, 'blob3')),` `(OFS_DELTA, (0, 'bob')),` `])` `self.assertEntriesMatch([0, 2, 1, 3, 4], entries,` `self.make_pack_iter(f))` `def test_long_chain(self):` `n = 100` `objects_spec = [(Blob.type_num, 'blob')]` `for i in xrange(n):` `objects_spec.append((OFS_DELTA, (i, 'blob%i' % i)))` `f = StringIO()` `entries = build_pack(f, objects_spec)` `self.assertEntriesMatch(xrange(n + 1), entries, self.make_pack_iter(f))` `def test_branchy_chain(self):` `n = 100` `objects_spec = [(Blob.type_num, 'blob')]` `for i in xrange(n):` `objects_spec.append((OFS_DELTA, (0, 'blob%i' % i)))` `f = StringIO()` `entries = build_pack(f, objects_spec)` `self.assertEntriesMatch(xrange(n + 1), entries, self.make_pack_iter(f))` `def test_ext_ref(self):` `blob, = self.store_blobs(['blob'])` `f = StringIO()` `entries = build_pack(f, [(REF_DELTA, (blob.id, 'blob1'))],` `store=self.store)` `pack_iter = self.make_pack_iter(f)` `self.assertEntriesMatch([0], entries, pack_iter)` `self.assertEqual([hex_to_sha(blob.id)], pack_iter.ext_refs())` `def test_ext_ref_chain(self):` `blob, = self.store_blobs(['blob'])` `f = StringIO()` `entries = build_pack(f, [` `(REF_DELTA, (1, 'blob2')),` `(REF_DELTA, (blob.id, 'blob1')),` `], store=self.store)` `pack_iter = self.make_pack_iter(f)` `self.assertEntriesMatch([1, 0], entries, pack_iter)` `self.assertEqual([hex_to_sha(blob.id)], pack_iter.ext_refs())` `def test_ext_ref_multiple_times(self):` `blob, = self.store_blobs(['blob'])` `f = StringIO()` `entries = build_pack(f, [` `(REF_DELTA, (blob.id, 'blob1')),` `(REF_DELTA, (blob.id, 'blob2')),` `], store=self.store)` `pack_iter = self.make_pack_iter(f)` `self.assertEntriesMatch([0, 1], entries, pack_iter)` `self.assertEqual([hex_to_sha(blob.id)], pack_iter.ext_refs())` `def test_multiple_ext_refs(self):` `b1, b2 = self.store_blobs(['foo', 'bar'])` `f = StringIO()` `entries = build_pack(f, [` `(REF_DELTA, (b1.id, 'foo1')),` `(REF_DELTA, (b2.id, 'bar2')),` `], store=self.store)` `pack_iter = self.make_pack_iter(f)` `self.assertEntriesMatch([0, 1], entries, pack_iter)` `self.assertEqual([hex_to_sha(b1.id), hex_to_sha(b2.id)],` `pack_iter.ext_refs())` `def test_bad_ext_ref_non_thin_pack(self):` `blob, = self.store_blobs(['blob'])` `f = StringIO()` `entries = build_pack(f, [(REF_DELTA, (blob.id, 'blob1'))],` `store=self.store)` `pack_iter = self.make_pack_iter(f, thin=False)` `try:` `list(pack_iter._walk_all_chains())` `self.fail()` `except KeyError, e:` `self.assertEqual(([blob.id],), e.args)` `def test_bad_ext_ref_thin_pack(self):` `b1, b2, b3 = self.store_blobs(['foo', 'bar', 'baz'])` `f = StringIO()` `entries = build_pack(f, [` `(REF_DELTA, (1, 'foo99')),` `(REF_DELTA, (b1.id, 'foo1')),` `(REF_DELTA, (b2.id, 'bar2')),` `(REF_DELTA, (b3.id, 'baz3')),` `], store=self.store)` `del self.store[b2.id]` `del self.store[b3.id]` `pack_iter = self.make_pack_iter(f)` `try:` `list(pack_iter._walk_all_chains())` `self.fail()` `except KeyError, e:` `self.assertEqual((sorted([b2.id, b3.id]),), e.args)`