Mercurial > hgsubversion
view tests/test_pull.py @ 1101:4a92eb1484ba
layouts: fix crash when importing hgsubversion itself (issue #402)
Mercurial extensions are a bit weird: they aren't normally in
sys.path, so you can't assume that "import hgsubversion" works.
Luckily, Mercurial sneaks a little treat into sys.modules so that
"import hgext_hgsubversion" does work. In fact, to get things working
*as a Mercurial extension*, all that's needed is that trivial change
to two import lines, in layouts/detect.py and layouts/standard.py.
Unfortunately, hgsubversion is also imported as a Python module, in
its own test suite. In that context, there is no "hgext_" trick --
unless we do it in ourselves, which I've done in TestBase.setUp().
That would work fine ... except that test_util imports from
hgsubversion, which ends up importing hgsubversion.layouts.{detect,standard},
which want the "hgext_" trick to work. But it hasn't been done yet
when we're still importing; it doesn't happen until setUp() runs.
So make those two imports happen late, in the functions that need them.
Incidentally, this is only necessary to support Mercurial <= 2.7.
Mercurial got a bit smarter in 2.8:
http://selenic.com/repo/hg/rev/621a26eb3a99
author | Greg Ward <greg@gerg.ca> |
---|---|
date | Thu, 02 Jan 2014 21:53:39 -0500 |
parents | cd35f6739669 |
children | 61d4fb78370b |
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import test_util import os.path import subprocess from mercurial import node from mercurial import ui from mercurial import util as hgutil from mercurial import commands from hgsubversion import verify class TestPull(test_util.TestBase): def setUp(self): super(TestPull, self).setUp() def _loadupdate(self, fixture_name, *args, **kwargs): kwargs = kwargs.copy() kwargs.update(noupdate=False) repo, repo_path = self.load_and_fetch(fixture_name, *args, **kwargs) return repo, repo_path def test_nochanges(self): self._loadupdate('single_rev.svndump') state = self.repo.parents() commands.pull(self.repo.ui, self.repo) self.assertEqual(state, self.repo.parents()) def test_onerevision_noupdate(self): repo, repo_path = self._loadupdate('single_rev.svndump') state = repo.parents() self.add_svn_rev(repo_path, {'trunk/alpha': 'Changed'}) commands.pull(self.repo.ui, repo) self.assertEqual(state, repo.parents()) self.assertTrue('tip' not in repo[None].tags()) def test_onerevision_doupdate(self): repo, repo_path = self._loadupdate('single_rev.svndump') state = repo.parents() self.add_svn_rev(repo_path, {'trunk/alpha': 'Changed'}) commands.pull(self.repo.ui, repo, update=True) self.failIfEqual(state, repo.parents()) self.assertTrue('tip' in repo[None].tags()) def test_onerevision_divergent(self): repo, repo_path = self._loadupdate('single_rev.svndump') self.commitchanges((('alpha', 'alpha', 'Changed another way'),)) state = repo.parents() self.add_svn_rev(repo_path, {'trunk/alpha': 'Changed one way'}) try: commands.pull(self.repo.ui, repo, update=True) except hgutil.Abort: # hg < 1.9 raised when crossing branches pass self.assertEqual(state, repo.parents()) self.assertTrue('tip' not in repo[None].tags()) self.assertEqual(len(repo.heads()), 2) def test_tag_repull_doesnt_happen(self): repo = self._loadupdate('branchtagcollision.svndump')[0] oldheads = map(node.hex, repo.heads()) commands.pull(repo.ui, repo) self.assertEqual(oldheads, map(node.hex, repo.heads())) def test_skip_basic(self): repo, repo_path = self._loadupdate('single_rev.svndump') self.add_svn_rev(repo_path, {'trunk/alpha': 'Changed'}) self.add_svn_rev(repo_path, {'trunk/beta': 'More changed'}) self.add_svn_rev(repo_path, {'trunk/gamma': 'Even more changeder'}) repo.ui.setconfig('hgsubversion', 'unsafeskip', '3 4') commands.pull(repo.ui, repo) tip = repo['tip'].rev() self.assertEqual(tip, 1) self.assertEquals(verify.verify(repo.ui, repo, rev=tip), 1) def test_skip_delete_restore(self): repo, repo_path = self._loadupdate('delete_restore_trunk.svndump', rev=2) repo.ui.setconfig('hgsubversion', 'unsafeskip', '3 4') commands.pull(repo.ui, repo) tip = repo['tip'].rev() self.assertEqual(tip, 1) self.assertEquals(verify.verify(repo.ui, repo, rev=tip), 0)