Mercurial > hg
comparison tests/test-bdiff.py @ 30591:1b393a93a7df
tests: migrate test-bdiff.py to use unittest (part 1 of 4)
This moves all the test() calls, which were easy and mechanical.
| author | Augie Fackler <augie@google.com> |
|---|---|
| date | Thu, 15 Dec 2016 10:10:15 -0500 |
| parents | 96f2f50d923f |
| children | 0d8cada9998d |
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| 30590:74eecb93c617 | 30591:1b393a93a7df |
|---|---|
| 1 from __future__ import absolute_import, print_function | 1 from __future__ import absolute_import, print_function |
| 2 import struct | 2 import struct |
| 3 import unittest | |
| 4 | |
| 5 import silenttestrunner | |
| 6 | |
| 3 from mercurial import ( | 7 from mercurial import ( |
| 4 bdiff, | 8 bdiff, |
| 5 mpatch, | 9 mpatch, |
| 6 ) | 10 ) |
| 7 | 11 |
| 8 def test1(a, b): | 12 class BdiffTests(unittest.TestCase): |
| 9 d = bdiff.bdiff(a, b) | |
| 10 c = a | |
| 11 if d: | |
| 12 c = mpatch.patches(a, [d]) | |
| 13 if c != b: | |
| 14 print("bad diff+patch result from\n %r to\n %r:" % (a, b)) | |
| 15 print("bdiff: %r" % d) | |
| 16 print("patched: %r" % c[:200]) | |
| 17 | 13 |
| 18 def test(a, b): | 14 def assert_bdiff_applies(self, a, b): |
| 19 print("test", repr(a), repr(b)) | 15 d = bdiff.bdiff(a, b) |
| 20 test1(a, b) | 16 c = a |
| 21 test1(b, a) | 17 if d: |
| 18 c = mpatch.patches(a, [d]) | |
| 19 self.assertEqual( | |
| 20 c, b, ("bad diff+patch result from\n %r to\n " | |
| 21 "%r: \nbdiff: %r\npatched: %r" % (a, b, d, c[:200]))) | |
| 22 | 22 |
| 23 test("a\nc\n\n\n\n", "a\nb\n\n\n") | 23 def assert_bdiff(self, a, b): |
| 24 test("a\nb\nc\n", "a\nc\n") | 24 self.assert_bdiff_applies(a, b) |
| 25 test("", "") | 25 self.assert_bdiff_applies(b, a) |
| 26 test("a\nb\nc", "a\nb\nc") | 26 |
| 27 test("a\nb\nc\nd\n", "a\nd\n") | 27 def test_bdiff_basic(self): |
| 28 test("a\nb\nc\nd\n", "a\nc\ne\n") | 28 cases = [ |
| 29 test("a\nb\nc\n", "a\nc\n") | 29 ("a\nc\n\n\n\n", "a\nb\n\n\n"), |
| 30 test("a\n", "c\na\nb\n") | 30 ("a\nb\nc\n", "a\nc\n"), |
| 31 test("a\n", "") | 31 ("", ""), |
| 32 test("a\n", "b\nc\n") | 32 ("a\nb\nc", "a\nb\nc"), |
| 33 test("a\n", "c\na\n") | 33 ("a\nb\nc\nd\n", "a\nd\n"), |
| 34 test("", "adjfkjdjksdhfksj") | 34 ("a\nb\nc\nd\n", "a\nc\ne\n"), |
| 35 test("", "ab") | 35 ("a\nb\nc\n", "a\nc\n"), |
| 36 test("", "abc") | 36 ("a\n", "c\na\nb\n"), |
| 37 test("a", "a") | 37 ("a\n", ""), |
| 38 test("ab", "ab") | 38 ("a\n", "b\nc\n"), |
| 39 test("abc", "abc") | 39 ("a\n", "c\na\n"), |
| 40 test("a\n", "a\n") | 40 ("", "adjfkjdjksdhfksj"), |
| 41 test("a\nb", "a\nb") | 41 ("", "ab"), |
| 42 ("", "abc"), | |
| 43 ("a", "a"), | |
| 44 ("ab", "ab"), | |
| 45 ("abc", "abc"), | |
| 46 ("a\n", "a\n"), | |
| 47 ("a\nb", "a\nb"), | |
| 48 ] | |
| 49 for a, b in cases: | |
| 50 self.assert_bdiff(a, b) | |
| 42 | 51 |
| 43 #issue1295 | 52 #issue1295 |
| 44 def showdiff(a, b): | 53 def showdiff(a, b): |
| 45 print('showdiff(\n %r,\n %r):' % (a, b)) | 54 print('showdiff(\n %r,\n %r):' % (a, b)) |
| 46 bin = bdiff.bdiff(a, b) | 55 bin = bdiff.bdiff(a, b) |
| 90 showdiff('a\n', 'a\n' * 5) | 99 showdiff('a\n', 'a\n' * 5) |
| 91 print("Diff 3 to 1 lines - preference for removing trailing lines:") | 100 print("Diff 3 to 1 lines - preference for removing trailing lines:") |
| 92 showdiff('a\n' * 3, 'a\n') | 101 showdiff('a\n' * 3, 'a\n') |
| 93 print("Diff 5 to 1 lines - preference for removing trailing lines:") | 102 print("Diff 5 to 1 lines - preference for removing trailing lines:") |
| 94 showdiff('a\n' * 5, 'a\n') | 103 showdiff('a\n' * 5, 'a\n') |
| 104 | |
| 105 if __name__ == '__main__': | |
| 106 silenttestrunner.main(__name__) |