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# Copyright (C) 2005, 2007, 2010 Canonical Ltd
 
 
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# Copyright (C) 2005-2011, 2016 Canonical Ltd
 
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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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# along with this program; if not, write to the Free Software
 
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
 
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    revision as _mod_revision,
 
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from bzrlib.branch import Branch
 
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from bzrlib.bzrdir import BzrDir
 
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from bzrlib.repofmt import knitrepo
 
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from bzrlib.tests import TestCaseWithTransport
 
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from bzrlib.tests.test_revision import make_branches
 
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from bzrlib.trace import mutter
 
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from bzrlib.upgrade import Convert
 
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from bzrlib.workingtree import WorkingTree
 
 
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from ..branch import Branch
 
 
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from ..bzr import knitrepo
 
 
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from . import TestCaseWithTransport
 
 
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from .test_revision import make_branches
 
 
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from ..upgrade import Convert
 
 
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from ..workingtree import WorkingTree
 
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# These tests are a bit old; please instead add new tests into
 
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# per_interrepository/ so they'll run on all relevant
 
 
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def has_revision(branch, revision_id):
 
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    return branch.repository.has_revision(revision_id)
 
 
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def revision_history(branch):
 
 
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        graph = branch.repository.get_graph()
 
 
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        history = list(graph.iter_lefthand_ancestry(branch.last_revision(),
 
 
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            [_mod_revision.NULL_REVISION]))
 
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def fetch_steps(self, br_a, br_b, writable_a):
 
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    """A foreign test method for testing fetch locally and remotely."""
 
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    # TODO RBC 20060201 make this a repository test.
 
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    repo_b = br_b.repository
 
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    self.assertFalse(repo_b.has_revision(br_a.revision_history()[3]))
 
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    self.assertTrue(repo_b.has_revision(br_a.revision_history()[2]))
 
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    self.assertEquals(len(br_b.revision_history()), 7)
 
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    br_b.fetch(br_a, br_a.revision_history()[2])
 
 
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    self.assertFalse(repo_b.has_revision(revision_history(br_a)[3]))
 
 
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    self.assertTrue(repo_b.has_revision(revision_history(br_a)[2]))
 
 
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    self.assertEqual(len(revision_history(br_b)), 7)
 
 
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    br_b.fetch(br_a, revision_history(br_a)[2])
 
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    # branch.fetch is not supposed to alter the revision history
 
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    self.assertEquals(len(br_b.revision_history()), 7)
 
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    self.assertFalse(repo_b.has_revision(br_a.revision_history()[3]))
 
 
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    self.assertEqual(len(revision_history(br_b)), 7)
 
 
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    self.assertFalse(repo_b.has_revision(revision_history(br_a)[3]))
 
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    # fetching the next revision up in sample data copies one revision
 
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    br_b.fetch(br_a, br_a.revision_history()[3])
 
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    self.assertTrue(repo_b.has_revision(br_a.revision_history()[3]))
 
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    self.assertFalse(has_revision(br_a, br_b.revision_history()[6]))
 
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    self.assertTrue(br_a.repository.has_revision(br_b.revision_history()[5]))
 
 
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    br_b.fetch(br_a, revision_history(br_a)[3])
 
 
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    self.assertTrue(repo_b.has_revision(revision_history(br_a)[3]))
 
 
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    self.assertFalse(has_revision(br_a, revision_history(br_b)[6]))
 
 
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    self.assertTrue(br_a.repository.has_revision(revision_history(br_b)[5]))
 
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    # When a non-branch ancestor is missing, it should be unlisted...
 
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    # as its not reference from the inventory weave.
 
 
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    writable_a.fetch(br_b)
 
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    self.assertTrue(has_revision(br_a, br_b.revision_history()[3]))
 
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    self.assertTrue(has_revision(br_a, br_b.revision_history()[4]))
 
 
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    self.assertTrue(has_revision(br_a, revision_history(br_b)[3]))
 
 
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    self.assertTrue(has_revision(br_a, revision_history(br_b)[4]))
 
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    br_b2 = self.make_branch('br_b2')
 
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    self.assertTrue(has_revision(br_b2, br_b.revision_history()[4]))
 
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    self.assertTrue(has_revision(br_b2, br_a.revision_history()[2]))
 
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    self.assertFalse(has_revision(br_b2, br_a.revision_history()[3]))
 
 
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    self.assertTrue(has_revision(br_b2, revision_history(br_b)[4]))
 
 
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    self.assertTrue(has_revision(br_b2, revision_history(br_a)[2]))
 
 
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    self.assertFalse(has_revision(br_b2, revision_history(br_a)[3]))
 
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    br_a2 = self.make_branch('br_a2')
 
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    self.assertTrue(has_revision(br_a2, br_b.revision_history()[4]))
 
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    self.assertTrue(has_revision(br_a2, br_a.revision_history()[3]))
 
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    self.assertTrue(has_revision(br_a2, br_a.revision_history()[2]))
 
 
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    self.assertTrue(has_revision(br_a2, revision_history(br_b)[4]))
 
 
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    self.assertTrue(has_revision(br_a2, revision_history(br_a)[3]))
 
 
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    self.assertTrue(has_revision(br_a2, revision_history(br_a)[2]))
 
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    br_a3 = self.make_branch('br_a3')
 
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    # pulling a branch with no revisions grabs nothing, regardless of
 
 
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    for revno in range(4):
 
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            br_a3.repository.has_revision(br_a.revision_history()[revno]))
 
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    br_a3.fetch(br_a2, br_a.revision_history()[2])
 
 
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            br_a3.repository.has_revision(revision_history(br_a)[revno]))
 
 
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    br_a3.fetch(br_a2, revision_history(br_a)[2])
 
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    # pull the 3 revisions introduced by a@u-0-3
 
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    br_a3.fetch(br_a2, br_a.revision_history()[3])
 
 
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    br_a3.fetch(br_a2, revision_history(br_a)[3])
 
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    # NoSuchRevision should be raised if the branch is missing the revision
 
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    # that was requested.
 
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    self.assertRaises(errors.NoSuchRevision, br_a3.fetch, br_a2, 'pizza')
 
 
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        # root revision to change for each commit, even though the content,
 
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        # parent, name, and other attributes are unchanged.
 
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        tree = self.make_branch_and_tree('tree', knit1_format)
 
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        tree.set_root_id('tree-root')
 
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        tree.commit('rev1', rev_id='rev1')
 
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        tree.commit('rev2', rev_id='rev2')
 
 
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        tree.set_root_id(b'tree-root')
 
 
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        tree.commit('rev1', rev_id=b'rev1')
 
 
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        tree.commit('rev2', rev_id=b'rev2')
 
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        # Now we convert it to a knit2 repository so that it has a root knit
 
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        Convert(tree.basedir, knit2_format)
 
 
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        """Merge brings across history from unrelated source"""
 
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        wt1 = self.make_branch_and_tree('br1')
 
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        wt1.commit(message='rev 1-1', rev_id='1-1')
 
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        wt1.commit(message='rev 1-2', rev_id='1-2')
 
 
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        wt1.commit(message='rev 1-1', rev_id=b'1-1')
 
 
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        wt1.commit(message='rev 1-2', rev_id=b'1-2')
 
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        wt2 = self.make_branch_and_tree('br2')
 
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        wt2.commit(message='rev 2-1', rev_id='2-1')
 
 
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        wt2.commit(message='rev 2-1', rev_id=b'2-1')
 
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        wt2.merge_from_branch(br1, from_revision='null:')
 
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        self._check_revs_present(br2)
 
 
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        """Merge brings across history from source"""
 
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        wt1 = self.make_branch_and_tree('br1')
 
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        wt1.commit(message='rev 1-1', rev_id='1-1')
 
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        dir_2 = br1.bzrdir.sprout('br2')
 
 
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        wt1.commit(message='rev 1-1', rev_id=b'1-1')
 
 
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        dir_2 = br1.controldir.sprout('br2')
 
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        br2 = dir_2.open_branch()
 
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        wt1.commit(message='rev 1-2', rev_id='1-2')
 
 
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        wt1.commit(message='rev 1-2', rev_id=b'1-2')
 
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        wt2 = dir_2.open_workingtree()
 
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        wt2.commit(message='rev 2-1', rev_id='2-1')
 
 
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        wt2.commit(message='rev 2-1', rev_id=b'2-1')
 
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        wt2.merge_from_branch(br1)
 
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        self._check_revs_present(br2)
 
 
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        super(TestMergeFileHistory, self).setUp()
 
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        wt1 = self.make_branch_and_tree('br1')
 
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        self.build_tree_contents([('br1/file', 'original contents\n')])
 
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        wt1.add('file', 'this-file-id')
 
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        wt1.commit(message='rev 1-1', rev_id='1-1')
 
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        dir_2 = br1.bzrdir.sprout('br2')
 
 
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        self.build_tree_contents([('br1/file', b'original contents\n')])
 
 
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        wt1.add('file', b'this-file-id')
 
 
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        wt1.commit(message='rev 1-1', rev_id=b'1-1')
 
 
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        dir_2 = br1.controldir.sprout('br2')
 
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        br2 = dir_2.open_branch()
 
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        wt2 = dir_2.open_workingtree()
 
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        self.build_tree_contents([('br1/file', 'original from 1\n')])
 
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        wt1.commit(message='rev 1-2', rev_id='1-2')
 
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        self.build_tree_contents([('br1/file', 'agreement\n')])
 
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        wt1.commit(message='rev 1-3', rev_id='1-3')
 
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        self.build_tree_contents([('br2/file', 'contents in 2\n')])
 
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        wt2.commit(message='rev 2-1', rev_id='2-1')
 
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        self.build_tree_contents([('br2/file', 'agreement\n')])
 
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        wt2.commit(message='rev 2-2', rev_id='2-2')
 
 
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        self.build_tree_contents([('br1/file', b'original from 1\n')])
 
 
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        wt1.commit(message='rev 1-2', rev_id=b'1-2')
 
 
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        self.build_tree_contents([('br1/file', b'agreement\n')])
 
 
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        wt1.commit(message='rev 1-3', rev_id=b'1-3')
 
 
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        self.build_tree_contents([('br2/file', b'contents in 2\n')])
 
 
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        wt2.commit(message='rev 2-1', rev_id=b'2-1')
 
 
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        self.build_tree_contents([('br2/file', b'agreement\n')])
 
 
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        wt2.commit(message='rev 2-2', rev_id=b'2-2')
 
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    def test_merge_fetches_file_history(self):
 
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        """Merge brings across file histories"""
 
 
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        tree = self.make_branch_and_tree('source', format='dirstate')
 
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        target = self.make_repository('target', format='pack-0.92')
 
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        self.build_tree(['source/file'])
 
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        tree.set_root_id('root-id')
 
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        tree.add('file', 'file-id')
 
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        tree.commit('one', rev_id='rev-one')
 
 
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        tree.set_root_id(b'root-id')
 
 
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        tree.add('file', b'file-id')
 
 
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        tree.commit('one', rev_id=b'rev-one')
 
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        source = tree.branch.repository
 
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        source.texts = versionedfile.RecordingVersionedFilesDecorator(
 
 
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        tree = self.make_branch_and_tree('source', format='dirstate')
 
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        target = self.make_repository('target', format='pack-0.92')
 
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        self.build_tree(['source/file'])
 
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        tree.set_root_id('root-id')
 
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        tree.add('file', 'file-id')
 
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        tree.commit('one', rev_id='rev-one')
 
 
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        tree.set_root_id(b'root-id')
 
 
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        tree.add('file', b'file-id')
 
 
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        tree.commit('one', rev_id=b'rev-one')
 
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        source = tree.branch.repository
 
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        source.texts = versionedfile.RecordingVersionedFilesDecorator(
 
 
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        tree = self.make_branch_and_tree('source', format='dirstate')
 
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        target = self.make_repository('target', format='pack-0.92')
 
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        self.build_tree(['source/file'])
 
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        tree.set_root_id('root-id')
 
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        tree.add('file', 'file-id')
 
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        tree.commit('one', rev_id='rev-one')
 
 
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        tree.set_root_id(b'root-id')
 
 
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        tree.add('file', b'file-id')
 
 
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        tree.commit('one', rev_id=b'rev-one')
 
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        # Hack the KVF for revisions so that it "accidentally" allows a delta
 
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        tree.branch.repository.revisions._max_delta_chain = 200
 
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        tree.commit('two', rev_id='rev-two')
 
 
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        tree.commit('two', rev_id=b'rev-two')
 
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        source = tree.branch.repository
 
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        # Ensure that we stored a delta
 
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        source.lock_read()
 
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        self.addCleanup(source.unlock)
 
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        record = source.revisions.get_record_stream([('rev-two',)],
 
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            'unordered', False).next()
 
 
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        record = next(source.revisions.get_record_stream([('rev-two',)],
 
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        self.assertEqual('knit-delta-gz', record.storage_kind)
 
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        target.fetch(tree.branch.repository, revision_id='rev-two')
 
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        # The record should get expanded back to a fulltext
 
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        target.lock_read()
 
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        self.addCleanup(target.unlock)
 
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        record = target.revisions.get_record_stream([('rev-two',)],
 
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            'unordered', False).next()
 
 
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        record = next(target.revisions.get_record_stream([('rev-two',)],
 
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        self.assertEqual('knit-ft-gz', record.storage_kind)
 
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    def test_fetch_with_fallback_and_merge(self):
 
 
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        # well and the deltas get bigger.
 
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            ('add', ('', 'TREE_ROOT', 'directory', None))]
 
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            fname = 'file%03d' % (i,)
 
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            fileid = '%s-%s' % (fname, osutils.rand_chars(64))
 
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            to_add.append(('add', (fname, fileid, 'file', 'content\n')))
 
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        builder.build_snapshot('A', None, to_add)
 
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        builder.build_snapshot('B', ['A'], [])
 
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        builder.build_snapshot('C', ['A'], [])
 
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        builder.build_snapshot('D', ['C'], [])
 
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        builder.build_snapshot('E', ['D'], [])
 
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        builder.build_snapshot('F', ['E', 'B'], [])
 
 
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        builder.build_snapshot(None, to_add, revision_id='A')
 
 
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        builder.build_snapshot(['A'], [], revision_id='B')
 
 
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        builder.build_snapshot(['A'], [], revision_id='C')
 
 
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        builder.build_snapshot(['C'], [], revision_id='D')
 
 
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        builder.build_snapshot(['D'], [], revision_id='E')
 
 
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        builder.build_snapshot(['E', 'B'], [], revision_id='F')
 
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        builder.finish_series()
 
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        source_branch = builder.get_branch()
 
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        source_branch.bzrdir.sprout('base', revision_id='B')
 
 
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        source_branch.controldir.sprout('base', revision_id='B')
 
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        target_branch = self.make_branch('target', format='1.6')
 
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        target_branch.set_stacked_on_url('../base')
 
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        source = source_branch.repository
 
 
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    def test_fetch_ghosts(self):
 
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        self.make_tree_and_repo()
 
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        self.tree.commit('first commit', rev_id='left-parent')
 
 
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        self.tree.commit('first commit', rev_id=b'left-parent')
 
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        self.tree.add_parent_tree_id('ghost-parent')
 
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        fork = self.tree.bzrdir.sprout('fork', 'null:').open_workingtree()
 
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        fork.commit('not a ghost', rev_id='not-ghost-parent')
 
 
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        fork = self.tree.controldir.sprout('fork', 'null:').open_workingtree()
 
 
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        fork.commit('not a ghost', rev_id=b'not-ghost-parent')
 
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        self.tree.branch.repository.fetch(fork.branch.repository,
 
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                                     'not-ghost-parent')
 
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        self.tree.add_parent_tree_id('not-ghost-parent')
 
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        self.tree.commit('second commit', rev_id='second-id')
 
 
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        self.tree.commit('second commit', rev_id=b'second-id')
 
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        self.repo.fetch(self.tree.branch.repository, 'second-id')
 
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        root_id = self.tree.get_root_id()
 
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        self.assertEqual(
 
 
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    def make_two_commits(self, change_root, fetch_twice):
 
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        self.make_tree_and_repo()
 
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        self.tree.commit('first commit', rev_id='first-id')
 
 
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        self.tree.commit('first commit', rev_id=b'first-id')
 
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            self.tree.set_root_id('unique-id')
 
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        self.tree.commit('second commit', rev_id='second-id')
 
 
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            self.tree.set_root_id(b'unique-id')
 
 
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        self.tree.commit('second commit', rev_id=b'second-id')
 
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            self.repo.fetch(self.tree.branch.repository, 'first-id')
 
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        self.repo.fetch(self.tree.branch.repository, 'second-id')