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Viewing changes to bzrlib/tests/test_status.py

  • Committer: Eric Holmberg
  • Date: 2008-05-06 15:02:27 UTC
  • mto: This revision was merged to the branch mainline in revision 3449.
  • Revision ID: eholmberg@arrow.com-20080506150227-l3arq1yntdvnoxum
Fix for Bug #215426 in which bzr can cause a MemoryError in socket.recv while
downloading large packs over http.  This patch limits the request size for
socket.recv to avoid this problem.

Changes:
Added mock file object bzrlib.tests.file_utils.
Added new parameters to bzrlib.osutils.pumpfile.
Added unit tests for bzrlib.osutils.pumpfile.
Added usage of bzrlib.osutils.pumpfile to bzrlib.transport.http.response.

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Lines of Context:
bzrlib/tests/test_status.py
 
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# Copyright (C) 2005 Canonical Ltd
 
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#
 
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# This program is free software; you can redistribute it and/or modify
 
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# it under the terms of the GNU General Public License as published by
 
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# the Free Software Foundation; either version 2 of the License, or
 
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# (at your option) any later version.
 
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#
 
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# This program is distributed in the hope that it will be useful,
 
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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# GNU General Public License for more details.
 
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#
 
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# You should have received a copy of the GNU General Public License
 
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# along with this program; if not, write to the Free Software
 
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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from StringIO import StringIO
 
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from bzrlib import config
 
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from bzrlib.revisionspec import RevisionSpec
 
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from bzrlib.status import show_pending_merges, show_tree_status
 
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from bzrlib.tests import TestCaseWithTransport
 
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class TestStatus(TestCaseWithTransport):
 
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    def test_pending_none(self):
 
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        # Test whether show_pending_merges works in a tree with no commits
 
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        tree = self.make_branch_and_tree('a')
 
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        tree.commit('empty commit')
 
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        tree2 = self.make_branch_and_tree('b')
 
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        # set a left most parent that is not a present commit
 
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        tree2.add_parent_tree_id('some-ghost', allow_leftmost_as_ghost=True)
 
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        # do a merge
 
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        tree2.merge_from_branch(tree.branch)
 
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        output = StringIO()
 
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        tree2.lock_read()
 
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        try:
 
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            show_pending_merges(tree2, output)
 
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        finally:
 
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            tree2.unlock()
 
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        self.assertContainsRe(output.getvalue(), 'empty commit')
 
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    def test_multiple_pending(self):
 
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        config.GlobalConfig().set_user_option('email', 'Joe Foo <joe@foo.com>')
 
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        tree = self.make_branch_and_tree('a')
 
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        tree.commit('commit 1', timestamp=1196796819, timezone=0)
 
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        tree2 = tree.bzrdir.clone('b').open_workingtree()
 
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        tree.commit('commit 2', timestamp=1196796819, timezone=0)
 
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        tree2.commit('commit 2b', timestamp=1196796819, timezone=0)
 
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        tree3 = tree2.bzrdir.clone('c').open_workingtree()
 
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        tree2.commit('commit 3b', timestamp=1196796819, timezone=0)
 
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        tree3.commit('commit 3c', timestamp=1196796819, timezone=0)
 
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        tree.merge_from_branch(tree2.branch)
 
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        tree.merge_from_branch(tree3.branch)
 
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        output = StringIO()
 
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        tree.lock_read()
 
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        self.addCleanup(tree.unlock)
 
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        show_pending_merges(tree, output)
 
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        # Even though 2b is in the ancestry of 3c, it should only be displayed
 
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        # under the first merge parent.
 
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        self.assertEqualDiff('pending merges:\n'
 
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                             '  Joe Foo 2007-12-04 commit 3b\n'
 
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                             '    Joe Foo 2007-12-04 commit 2b\n'
 
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                             '  Joe Foo 2007-12-04 commit 3c\n',
 
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                             output.getvalue())
 
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    def test_with_pending_ghost(self):
 
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        """Test when a pending merge is itself a ghost"""
 
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        tree = self.make_branch_and_tree('a')
 
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        tree.commit('first')
 
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        tree.add_parent_tree_id('a-ghost-revision')
 
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        tree.lock_read()
 
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        self.addCleanup(tree.unlock)
 
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        output = StringIO()
 
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        show_pending_merges(tree, output)
 
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        self.assertEqualDiff('pending merges:\n'
 
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                             '  (ghost) a-ghost-revision\n',
 
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                             output.getvalue())
 
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    def test_pending_with_ghosts(self):
 
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        """Test when a pending merge's ancestry includes ghosts."""
 
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        config.GlobalConfig().set_user_option('email', 'Joe Foo <joe@foo.com>')
 
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        tree = self.make_branch_and_tree('a')
 
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        tree.commit('empty commit')
 
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        tree2 = tree.bzrdir.clone('b').open_workingtree()
 
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        tree2.commit('a non-ghost', timestamp=1196796819, timezone=0)
 
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        tree2.add_parent_tree_id('a-ghost-revision')
 
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        tree2.commit('commit with ghost', timestamp=1196796819, timezone=0)
 
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        tree2.commit('another non-ghost', timestamp=1196796819, timezone=0)
 
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        tree.merge_from_branch(tree2.branch)
 
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        tree.lock_read()
 
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        self.addCleanup(tree.unlock)
 
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        output = StringIO()
 
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        show_pending_merges(tree, output)
 
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        self.assertEqualDiff('pending merges:\n'
 
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                             '  Joe Foo 2007-12-04 another non-ghost\n'
 
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                             '    Joe Foo 2007-12-04 commit with ghost\n'
 
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                             '    (ghost) a-ghost-revision\n'
 
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                             '    Joe Foo 2007-12-04 a non-ghost\n',
 
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                             output.getvalue())
 
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    def tests_revision_to_revision(self):
 
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        """doing a status between two revision trees should work."""
 
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        tree = self.make_branch_and_tree('.')
 
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        r1_id = tree.commit('one', allow_pointless=True)
 
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        r2_id = tree.commit('two', allow_pointless=True)
 
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        r2_tree = tree.branch.repository.revision_tree(r2_id)
 
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        output = StringIO()
 
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        show_tree_status(tree, to_file=output,
 
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                     revision=[RevisionSpec.from_string("revid:%s" % r1_id),
 
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                               RevisionSpec.from_string("revid:%s" % r2_id)])
 
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        # return does not matter as long as it did not raise.
 
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    def test_pending_specific_files(self):
 
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        """With a specific file list, pending merges are not shown."""
 
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        tree = self.make_branch_and_tree('tree')
 
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        self.build_tree_contents([('tree/a', 'content of a\n')])
 
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        tree.add('a')
 
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        r1_id = tree.commit('one')
 
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        alt = tree.bzrdir.sprout('alt').open_workingtree()
 
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        self.build_tree_contents([('alt/a', 'content of a\nfrom alt\n')])
 
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        alt_id = alt.commit('alt')
 
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        tree.merge_from_branch(alt.branch)
 
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        output = StringIO()
 
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        show_tree_status(tree, to_file=output)
 
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        self.assertContainsRe(output.getvalue(), 'pending merges:')
 
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        output = StringIO()
 
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        show_tree_status(tree, to_file=output, specific_files=['a'])
 
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        self.assertNotContainsRe(output.getvalue(), 'pending merges:')