tests: make test-manifest finish importing in Python 3

The test is still broken, but now it executes.

tests/test-manifest.py

@@ -1,482 +1,486 b''
 from __future__ import absolute_import
 
 import binascii
 import itertools
 import silenttestrunner
 import unittest
 
 from mercurial import (
     manifest as manifestmod,
     match as matchmod,
 )
 
 EMTPY_MANIFEST = ''
 EMTPY_MANIFEST_V2 = '\0\n'
 
 HASH_1 = '1' * 40
 BIN_HASH_1 = binascii.unhexlify(HASH_1)
 HASH_2 = 'f' * 40
 BIN_HASH_2 = binascii.unhexlify(HASH_2)
 HASH_3 = '1234567890abcdef0987654321deadbeef0fcafe'
 BIN_HASH_3 = binascii.unhexlify(HASH_3)
 A_SHORT_MANIFEST = (
     'bar/baz/qux.py\0%(hash2)s%(flag2)s\n'
     'foo\0%(hash1)s%(flag1)s\n'
     ) % {'hash1': HASH_1,
          'flag1': '',
          'hash2': HASH_2,
          'flag2': 'l',
          }
 
 # Same data as A_SHORT_MANIFEST
 A_SHORT_MANIFEST_V2 = (
     '\0\n'
     '\x00bar/baz/qux.py\0%(flag2)s\n%(hash2)s\n'
     '\x00foo\0%(flag1)s\n%(hash1)s\n'
     ) % {'hash1': BIN_HASH_1,
          'flag1': '',
          'hash2': BIN_HASH_2,
          'flag2': 'l',
          }
 
 # Same data as A_SHORT_MANIFEST
 A_METADATA_MANIFEST = (
     '\0foo\0bar\n'
     '\x00bar/baz/qux.py\0%(flag2)s\0foo\0bar\n%(hash2)s\n' # flag and metadata
     '\x00foo\0%(flag1)s\0foo\n%(hash1)s\n' # no flag, but metadata
     ) % {'hash1': BIN_HASH_1,
          'flag1': '',
          'hash2': BIN_HASH_2,
          'flag2': 'l',
          }
 
 A_STEM_COMPRESSED_MANIFEST = (
     '\0\n'
     '\x00bar/baz/qux.py\0%(flag2)s\n%(hash2)s\n'
     '\x04qux/foo.py\0%(flag1)s\n%(hash1)s\n' # simple case of 4 stem chars
     '\x0az.py\0%(flag1)s\n%(hash1)s\n' # tricky newline = 10 stem characters
     '\x00%(verylongdir)sx/x\0\n%(hash1)s\n'
     '\xffx/y\0\n%(hash2)s\n' # more than 255 stem chars
     ) % {'hash1': BIN_HASH_1,
          'flag1': '',
          'hash2': BIN_HASH_2,
          'flag2': 'l',
          'verylongdir': 255 * 'x',
          }
 
 A_DEEPER_MANIFEST = (
     'a/b/c/bar.py\0%(hash3)s%(flag1)s\n'
     'a/b/c/bar.txt\0%(hash1)s%(flag1)s\n'
     'a/b/c/foo.py\0%(hash3)s%(flag1)s\n'
     'a/b/c/foo.txt\0%(hash2)s%(flag2)s\n'
     'a/b/d/baz.py\0%(hash3)s%(flag1)s\n'
     'a/b/d/qux.py\0%(hash1)s%(flag2)s\n'
     'a/b/d/ten.txt\0%(hash3)s%(flag2)s\n'
     'a/b/dog.py\0%(hash3)s%(flag1)s\n'
     'a/b/fish.py\0%(hash2)s%(flag1)s\n'
     'a/c/london.py\0%(hash3)s%(flag2)s\n'
     'a/c/paper.txt\0%(hash2)s%(flag2)s\n'
     'a/c/paris.py\0%(hash2)s%(flag1)s\n'
     'a/d/apple.py\0%(hash3)s%(flag1)s\n'
     'a/d/pizza.py\0%(hash3)s%(flag2)s\n'
     'a/green.py\0%(hash1)s%(flag2)s\n'
     'a/purple.py\0%(hash2)s%(flag1)s\n'
     'app.py\0%(hash3)s%(flag1)s\n'
     'readme.txt\0%(hash2)s%(flag1)s\n'
     ) % {'hash1': HASH_1,
          'flag1': '',
          'hash2': HASH_2,
          'flag2': 'l',
          'hash3': HASH_3,
          }
 
 HUGE_MANIFEST_ENTRIES = 200001
 
+izip = getattr(itertools, 'izip', zip)
+if 'xrange' not in globals():
+    xrange = range
+
 A_HUGE_MANIFEST = ''.join(sorted(
     'file%d\0%s%s\n' % (i, h, f) for i, h, f in
-    itertools.izip(xrange(200001),
+    izip(xrange(200001),
                    itertools.cycle((HASH_1, HASH_2)),
                    itertools.cycle(('', 'x', 'l')))))
 
 class basemanifesttests(object):
     def parsemanifest(self, text):
         raise NotImplementedError('parsemanifest not implemented by test case')
 
     def testEmptyManifest(self):
         m = self.parsemanifest(EMTPY_MANIFEST)
         self.assertEqual(0, len(m))
         self.assertEqual([], list(m))
 
     def testEmptyManifestv2(self):
         m = self.parsemanifest(EMTPY_MANIFEST_V2)
         self.assertEqual(0, len(m))
         self.assertEqual([], list(m))
 
     def testManifest(self):
         m = self.parsemanifest(A_SHORT_MANIFEST)
         self.assertEqual(['bar/baz/qux.py', 'foo'], list(m))
         self.assertEqual(BIN_HASH_2, m['bar/baz/qux.py'])
         self.assertEqual('l', m.flags('bar/baz/qux.py'))
         self.assertEqual(BIN_HASH_1, m['foo'])
         self.assertEqual('', m.flags('foo'))
         with self.assertRaises(KeyError):
             m['wat']
 
     def testParseManifestV2(self):
         m1 = self.parsemanifest(A_SHORT_MANIFEST)
         m2 = self.parsemanifest(A_SHORT_MANIFEST_V2)
         # Should have same content as A_SHORT_MANIFEST
         self.assertEqual(m1.text(), m2.text())
 
     def testParseManifestMetadata(self):
         # Metadata is for future-proofing and should be accepted but ignored
         m = self.parsemanifest(A_METADATA_MANIFEST)
         self.assertEqual(A_SHORT_MANIFEST, m.text())
 
     def testParseManifestStemCompression(self):
         m = self.parsemanifest(A_STEM_COMPRESSED_MANIFEST)
         self.assertIn('bar/baz/qux.py', m)
         self.assertIn('bar/qux/foo.py', m)
         self.assertIn('bar/qux/foz.py', m)
         self.assertIn(256 * 'x' + '/x', m)
         self.assertIn(256 * 'x' + '/y', m)
         self.assertEqual(A_STEM_COMPRESSED_MANIFEST, m.text(usemanifestv2=True))
 
     def testTextV2(self):
         m1 = self.parsemanifest(A_SHORT_MANIFEST)
         v2text = m1.text(usemanifestv2=True)
         self.assertEqual(A_SHORT_MANIFEST_V2, v2text)
 
     def testSetItem(self):
         want = BIN_HASH_1
 
         m = self.parsemanifest(EMTPY_MANIFEST)
         m['a'] = want
         self.assertIn('a', m)
         self.assertEqual(want, m['a'])
         self.assertEqual('a\0' + HASH_1 + '\n', m.text())
 
         m = self.parsemanifest(A_SHORT_MANIFEST)
         m['a'] = want
         self.assertEqual(want, m['a'])
         self.assertEqual('a\0' + HASH_1 + '\n' + A_SHORT_MANIFEST,
                          m.text())
 
     def testSetFlag(self):
         want = 'x'
 
         m = self.parsemanifest(EMTPY_MANIFEST)
         # first add a file; a file-less flag makes no sense
         m['a'] = BIN_HASH_1
         m.setflag('a', want)
         self.assertEqual(want, m.flags('a'))
         self.assertEqual('a\0' + HASH_1 + want + '\n', m.text())
 
         m = self.parsemanifest(A_SHORT_MANIFEST)
         # first add a file; a file-less flag makes no sense
         m['a'] = BIN_HASH_1
         m.setflag('a', want)
         self.assertEqual(want, m.flags('a'))
         self.assertEqual('a\0' + HASH_1 + want + '\n' + A_SHORT_MANIFEST,
                          m.text())
 
     def testCopy(self):
         m = self.parsemanifest(A_SHORT_MANIFEST)
         m['a'] = BIN_HASH_1
         m2 = m.copy()
         del m
         del m2 # make sure we don't double free() anything
 
     def testCompaction(self):
         unhex = binascii.unhexlify
         h1, h2 = unhex(HASH_1), unhex(HASH_2)
         m = self.parsemanifest(A_SHORT_MANIFEST)
         m['alpha'] = h1
         m['beta'] = h2
         del m['foo']
         want = 'alpha\0%s\nbar/baz/qux.py\0%sl\nbeta\0%s\n' % (
             HASH_1, HASH_2, HASH_2)
         self.assertEqual(want, m.text())
         self.assertEqual(3, len(m))
         self.assertEqual(['alpha', 'bar/baz/qux.py', 'beta'], list(m))
         self.assertEqual(h1, m['alpha'])
         self.assertEqual(h2, m['bar/baz/qux.py'])
         self.assertEqual(h2, m['beta'])
         self.assertEqual('', m.flags('alpha'))
         self.assertEqual('l', m.flags('bar/baz/qux.py'))
         self.assertEqual('', m.flags('beta'))
         with self.assertRaises(KeyError):
             m['foo']
 
     def testSetGetNodeSuffix(self):
         clean = self.parsemanifest(A_SHORT_MANIFEST)
         m = self.parsemanifest(A_SHORT_MANIFEST)
         h = m['foo']
         f = m.flags('foo')
         want = h + 'a'
         # Merge code wants to set 21-byte fake hashes at times
         m['foo'] = want
         self.assertEqual(want, m['foo'])
         self.assertEqual([('bar/baz/qux.py', BIN_HASH_2),
                           ('foo', BIN_HASH_1 + 'a')],
                          list(m.iteritems()))
         # Sometimes it even tries a 22-byte fake hash, but we can
         # return 21 and it'll work out
         m['foo'] = want + '+'
         self.assertEqual(want, m['foo'])
         # make sure the suffix survives a copy
         match = matchmod.match('', '', ['re:foo'])
         m2 = m.matches(match)
         self.assertEqual(want, m2['foo'])
         self.assertEqual(1, len(m2))
         m2 = m.copy()
         self.assertEqual(want, m2['foo'])
         # suffix with iteration
         self.assertEqual([('bar/baz/qux.py', BIN_HASH_2),
                           ('foo', want)],
                          list(m.iteritems()))
 
         # shows up in diff
         self.assertEqual({'foo': ((want, f), (h, ''))}, m.diff(clean))
         self.assertEqual({'foo': ((h, ''), (want, f))}, clean.diff(m))
 
     def testMatchException(self):
         m = self.parsemanifest(A_SHORT_MANIFEST)
         match = matchmod.match('', '', ['re:.*'])
         def filt(path):
             if path == 'foo':
                 assert False
             return True
         match.matchfn = filt
         with self.assertRaises(AssertionError):
             m.matches(match)
 
     def testRemoveItem(self):
         m = self.parsemanifest(A_SHORT_MANIFEST)
         del m['foo']
         with self.assertRaises(KeyError):
             m['foo']
         self.assertEqual(1, len(m))
         self.assertEqual(1, len(list(m)))
         # now restore and make sure everything works right
         m['foo'] = 'a' * 20
         self.assertEqual(2, len(m))
         self.assertEqual(2, len(list(m)))
 
     def testManifestDiff(self):
         MISSING = (None, '')
         addl = 'z-only-in-left\0' + HASH_1 + '\n'
         addr = 'z-only-in-right\0' + HASH_2 + 'x\n'
         left = self.parsemanifest(
             A_SHORT_MANIFEST.replace(HASH_1, HASH_3 + 'x') + addl)
         right = self.parsemanifest(A_SHORT_MANIFEST + addr)
         want = {
             'foo': ((BIN_HASH_3, 'x'),
                     (BIN_HASH_1, '')),
             'z-only-in-left': ((BIN_HASH_1, ''), MISSING),
             'z-only-in-right': (MISSING, (BIN_HASH_2, 'x')),
             }
         self.assertEqual(want, left.diff(right))
 
         want = {
             'bar/baz/qux.py': (MISSING, (BIN_HASH_2, 'l')),
             'foo': (MISSING, (BIN_HASH_3, 'x')),
             'z-only-in-left': (MISSING, (BIN_HASH_1, '')),
             }
         self.assertEqual(want, self.parsemanifest(EMTPY_MANIFEST).diff(left))
 
         want = {
             'bar/baz/qux.py': ((BIN_HASH_2, 'l'), MISSING),
             'foo': ((BIN_HASH_3, 'x'), MISSING),
             'z-only-in-left': ((BIN_HASH_1, ''), MISSING),
             }
         self.assertEqual(want, left.diff(self.parsemanifest(EMTPY_MANIFEST)))
         copy = right.copy()
         del copy['z-only-in-right']
         del right['foo']
         want = {
             'foo': (MISSING, (BIN_HASH_1, '')),
             'z-only-in-right': ((BIN_HASH_2, 'x'), MISSING),
             }
         self.assertEqual(want, right.diff(copy))
 
         short = self.parsemanifest(A_SHORT_MANIFEST)
         pruned = short.copy()
         del pruned['foo']
         want = {
             'foo': ((BIN_HASH_1, ''), MISSING),
             }
         self.assertEqual(want, short.diff(pruned))
         want = {
             'foo': (MISSING, (BIN_HASH_1, '')),
             }
         self.assertEqual(want, pruned.diff(short))
         want = {
             'bar/baz/qux.py': None,
             'foo': (MISSING, (BIN_HASH_1, '')),
             }
         self.assertEqual(want, pruned.diff(short, clean=True))
 
     def testReversedLines(self):
         backwards = ''.join(
             l + '\n' for l in reversed(A_SHORT_MANIFEST.split('\n')) if l)
         try:
             self.parsemanifest(backwards)
             self.fail('Should have raised ValueError')
         except ValueError as v:
             self.assertIn('Manifest lines not in sorted order.', str(v))
 
     def testNoTerminalNewline(self):
         try:
             self.parsemanifest(A_SHORT_MANIFEST + 'wat')
             self.fail('Should have raised ValueError')
         except ValueError as v:
             self.assertIn('Manifest did not end in a newline.', str(v))
 
     def testNoNewLineAtAll(self):
         try:
             self.parsemanifest('wat')
             self.fail('Should have raised ValueError')
         except ValueError as v:
             self.assertIn('Manifest did not end in a newline.', str(v))
 
     def testHugeManifest(self):
         m = self.parsemanifest(A_HUGE_MANIFEST)
         self.assertEqual(HUGE_MANIFEST_ENTRIES, len(m))
         self.assertEqual(len(m), len(list(m)))
 
     def testMatchesMetadata(self):
         '''Tests matches() for a few specific files to make sure that both
         the set of files as well as their flags and nodeids are correct in
         the resulting manifest.'''
         m = self.parsemanifest(A_HUGE_MANIFEST)
 
         match = matchmod.match('/', '',
                 ['file1', 'file200', 'file300'], exact=True)
         m2 = m.matches(match)
 
         w = ('file1\0%sx\n'
              'file200\0%sl\n'
              'file300\0%s\n') % (HASH_2, HASH_1, HASH_1)
         self.assertEqual(w, m2.text())
 
     def testMatchesNonexistentFile(self):
         '''Tests matches() for a small set of specific files, including one
         nonexistent file to make sure in only matches against existing files.
         '''
         m = self.parsemanifest(A_DEEPER_MANIFEST)
 
         match = matchmod.match('/', '',
                 ['a/b/c/bar.txt', 'a/b/d/qux.py', 'readme.txt', 'nonexistent'],
                 exact=True)
         m2 = m.matches(match)
 
         self.assertEqual(
                 ['a/b/c/bar.txt', 'a/b/d/qux.py', 'readme.txt'],
                 m2.keys())
 
     def testMatchesNonexistentDirectory(self):
         '''Tests matches() for a relpath match on a directory that doesn't
         actually exist.'''
         m = self.parsemanifest(A_DEEPER_MANIFEST)
 
         match = matchmod.match('/', '', ['a/f'], default='relpath')
         m2 = m.matches(match)
 
         self.assertEqual([], m2.keys())
 
     def testMatchesExactLarge(self):
         '''Tests matches() for files matching a large list of exact files.
         '''
         m = self.parsemanifest(A_HUGE_MANIFEST)
 
         flist = m.keys()[80:300]
         match = matchmod.match('/', '', flist, exact=True)
         m2 = m.matches(match)
 
         self.assertEqual(flist, m2.keys())
 
     def testMatchesFull(self):
         '''Tests matches() for what should be a full match.'''
         m = self.parsemanifest(A_DEEPER_MANIFEST)
 
         match = matchmod.match('/', '', [''])
         m2 = m.matches(match)
 
         self.assertEqual(m.keys(), m2.keys())
 
     def testMatchesDirectory(self):
         '''Tests matches() on a relpath match on a directory, which should
         match against all files within said directory.'''
         m = self.parsemanifest(A_DEEPER_MANIFEST)
 
         match = matchmod.match('/', '', ['a/b'], default='relpath')
         m2 = m.matches(match)
 
         self.assertEqual([
             'a/b/c/bar.py', 'a/b/c/bar.txt', 'a/b/c/foo.py', 'a/b/c/foo.txt',
             'a/b/d/baz.py', 'a/b/d/qux.py', 'a/b/d/ten.txt', 'a/b/dog.py',
             'a/b/fish.py'], m2.keys())
 
     def testMatchesExactPath(self):
         '''Tests matches() on an exact match on a directory, which should
         result in an empty manifest because you can't perform an exact match
         against a directory.'''
         m = self.parsemanifest(A_DEEPER_MANIFEST)
 
         match = matchmod.match('/', '', ['a/b'], exact=True)
         m2 = m.matches(match)
 
         self.assertEqual([], m2.keys())
 
     def testMatchesCwd(self):
         '''Tests matches() on a relpath match with the current directory ('.')
         when not in the root directory.'''
         m = self.parsemanifest(A_DEEPER_MANIFEST)
 
         match = matchmod.match('/', 'a/b', ['.'], default='relpath')
         m2 = m.matches(match)
 
         self.assertEqual([
             'a/b/c/bar.py', 'a/b/c/bar.txt', 'a/b/c/foo.py', 'a/b/c/foo.txt',
             'a/b/d/baz.py', 'a/b/d/qux.py', 'a/b/d/ten.txt', 'a/b/dog.py',
             'a/b/fish.py'], m2.keys())
 
     def testMatchesWithPattern(self):
         '''Tests matches() for files matching a pattern that reside
         deeper than the specified directory.'''
         m = self.parsemanifest(A_DEEPER_MANIFEST)
 
         match = matchmod.match('/', '', ['a/b/*/*.txt'])
         m2 = m.matches(match)
 
         self.assertEqual(
                 ['a/b/c/bar.txt', 'a/b/c/foo.txt', 'a/b/d/ten.txt'],
                 m2.keys())
 
 class testmanifestdict(unittest.TestCase, basemanifesttests):
     def parsemanifest(self, text):
         return manifestmod.manifestdict(text)
 
 class testtreemanifest(unittest.TestCase, basemanifesttests):
     def parsemanifest(self, text):
         return manifestmod.treemanifest('', text)
 
     def testWalkSubtrees(self):
         m = self.parsemanifest(A_DEEPER_MANIFEST)
 
         dirs = [s._dir for s in m.walksubtrees()]
         self.assertEqual(
             sorted(['', 'a/', 'a/c/', 'a/d/', 'a/b/', 'a/b/c/', 'a/b/d/']),
             sorted(dirs)
         )
 
         match = matchmod.match('/', '', ['path:a/b/'])
         dirs = [s._dir for s in m.walksubtrees(matcher=match)]
         self.assertEqual(
             sorted(['a/b/', 'a/b/c/', 'a/b/d/']),
             sorted(dirs)
         )
 
 if __name__ == '__main__':
     silenttestrunner.main(__name__)