Mercurial > hg
annotate tests/test-bdiff.py @ 12515:b6a784e39ad4
tests: unify test-convert-bzr-ghosts
author | Matt Mackall <mpm@selenic.com> |
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date | Sun, 26 Sep 2010 14:36:49 -0500 |
parents | 284fda4cd093 |
children | 4c50552fc9bc |
rev | line source |
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Add a fast binary diff extension (not yet used)
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1 #!/usr/bin/env python |
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2 |
8656 | 3 import struct |
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4 from mercurial import bdiff, mpatch |
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5 |
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6 def test1(a, b): |
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7 d = bdiff.bdiff(a, b) |
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8 c = a |
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9 if d: |
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10 c = mpatch.patches(a, [d]) |
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11 if c != b: |
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12 print "***", repr(a), repr(b) |
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13 print "bad:" |
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14 print repr(c)[:200] |
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15 print repr(d) |
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16 |
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17 def test(a, b): |
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18 print "***", repr(a), repr(b) |
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19 test1(a, b) |
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20 test1(b, a) |
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21 |
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22 test("a\nc\n\n\n\n", "a\nb\n\n\n") |
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23 test("a\nb\nc\n", "a\nc\n") |
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24 test("", "") |
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25 test("a\nb\nc", "a\nb\nc") |
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26 test("a\nb\nc\nd\n", "a\nd\n") |
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27 test("a\nb\nc\nd\n", "a\nc\ne\n") |
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28 test("a\nb\nc\n", "a\nc\n") |
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29 test("a\n", "c\na\nb\n") |
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30 test("a\n", "") |
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31 test("a\n", "b\nc\n") |
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32 test("a\n", "c\na\n") |
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33 test("", "adjfkjdjksdhfksj") |
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34 test("", "ab") |
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35 test("", "abc") |
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36 test("a", "a") |
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37 test("ab", "ab") |
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38 test("abc", "abc") |
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39 test("a\n", "a\n") |
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40 test("a\nb", "a\nb") |
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41 |
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42 #issue1295 |
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43 def showdiff(a, b): |
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44 bin = bdiff.bdiff(a, b) |
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45 pos = 0 |
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46 while pos < len(bin): |
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47 p1, p2, l = struct.unpack(">lll", bin[pos:pos + 12]) |
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48 pos += 12 |
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49 print p1, p2, repr(bin[pos:pos + l]) |
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50 pos += l |
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51 showdiff("x\n\nx\n\nx\n\nx\n\nz\n", "x\n\nx\n\ny\n\nx\n\nx\n\nz\n") |
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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") |
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53 |
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54 print "done" |