tests/test-bdiff.py
author Benoit Boissinot <benoit.boissinot@ens-lyon.org>
Fri, 19 Feb 2010 02:23:38 +0100
branchstable
changeset 10510 f77f3383c666
parent 8656 284fda4cd093
child 12865 4c50552fc9bc
permissions -rw-r--r--
i18n: mark more strings for translation
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
400
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
     1
#!/usr/bin/env python
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
     2
8656
284fda4cd093 removed unused imports
Martin Geisler <mg@lazybytes.net>
parents: 8449
diff changeset
     3
import struct
400
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
     4
from mercurial import bdiff, mpatch
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
     5
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
     6
def test1(a, b):
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
     7
    d = bdiff.bdiff(a, b)
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
     8
    c = a
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
     9
    if d:
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
    10
        c = mpatch.patches(a, [d])
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
    11
    if c != b:
7471
94ecd4922a23 use repr() instead of backticks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7104
diff changeset
    12
        print "***", repr(a), repr(b)
400
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
    13
        print "bad:"
7471
94ecd4922a23 use repr() instead of backticks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7104
diff changeset
    14
        print repr(c)[:200]
94ecd4922a23 use repr() instead of backticks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7104
diff changeset
    15
        print repr(d)
400
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
    16
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
    17
def test(a, b):
7471
94ecd4922a23 use repr() instead of backticks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7104
diff changeset
    18
    print "***", repr(a), repr(b)
400
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
    19
    test1(a, b)
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
    20
    test1(b, a)
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
    21
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
    22
test("a\nc\n\n\n\n", "a\nb\n\n\n")
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
    23
test("a\nb\nc\n", "a\nc\n")
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
    24
test("", "")
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
    25
test("a\nb\nc", "a\nb\nc")
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
    26
test("a\nb\nc\nd\n", "a\nd\n")
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
    27
test("a\nb\nc\nd\n", "a\nc\ne\n")
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
    28
test("a\nb\nc\n", "a\nc\n")
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
    29
test("a\n", "c\na\nb\n")
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
    30
test("a\n", "")
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
    31
test("a\n", "b\nc\n")
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
    32
test("a\n", "c\na\n")
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
    33
test("", "adjfkjdjksdhfksj")
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
    34
test("", "ab")
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
    35
test("", "abc")
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
    36
test("a", "a")
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
    37
test("ab", "ab")
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
    38
test("abc", "abc")
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
    39
test("a\n", "a\n")
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
    40
test("a\nb", "a\nb")
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
    41
7104
9514cbb6e4f6 bdiff: normalize the diff (issue1295)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 814
diff changeset
    42
#issue1295
9514cbb6e4f6 bdiff: normalize the diff (issue1295)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 814
diff changeset
    43
def showdiff(a, b):
9514cbb6e4f6 bdiff: normalize the diff (issue1295)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 814
diff changeset
    44
    bin = bdiff.bdiff(a, b)
9514cbb6e4f6 bdiff: normalize the diff (issue1295)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 814
diff changeset
    45
    pos = 0
9514cbb6e4f6 bdiff: normalize the diff (issue1295)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 814
diff changeset
    46
    while pos < len(bin):
9514cbb6e4f6 bdiff: normalize the diff (issue1295)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 814
diff changeset
    47
        p1, p2, l = struct.unpack(">lll", bin[pos:pos + 12])
9514cbb6e4f6 bdiff: normalize the diff (issue1295)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 814
diff changeset
    48
        pos += 12
9514cbb6e4f6 bdiff: normalize the diff (issue1295)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 814
diff changeset
    49
        print p1, p2, repr(bin[pos:pos + l])
9514cbb6e4f6 bdiff: normalize the diff (issue1295)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 814
diff changeset
    50
        pos += l
9514cbb6e4f6 bdiff: normalize the diff (issue1295)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 814
diff changeset
    51
showdiff("x\n\nx\n\nx\n\nx\n\nz\n", "x\n\nx\n\ny\n\nx\n\nx\n\nz\n")
9514cbb6e4f6 bdiff: normalize the diff (issue1295)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 814
diff changeset
    52
showdiff("x\n\nx\n\nx\n\nx\n\nz\n", "x\n\nx\n\ny\n\nx\n\ny\n\nx\n\nz\n")
9514cbb6e4f6 bdiff: normalize the diff (issue1295)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 814
diff changeset
    53
400
8b067bde6679 Add a fast binary diff extension (not yet used)
mpm@selenic.com
parents:
diff changeset
    54
print "done"