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https://launchpad.net/bugs/524184
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bzrlib/tests/test_status.py
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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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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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from StringIO import StringIO
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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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    def make_multiple_pending_tree(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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        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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        return tree
 
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    def test_multiple_pending(self):
 
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        tree = self.make_multiple_pending_tree()
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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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        # 2b doesn't appear because it's an ancestor of 3b
 
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        self.assertEqualDiff(
 
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            'pending merge tips: (use -v to see all merge revisions)\n'
 
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            '  Joe Foo 2007-12-04 commit 3b\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_multiple_pending_verbose(self):
 
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        tree = self.make_multiple_pending_tree()
 
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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, verbose=True)
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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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        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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        self.assertEqualDiff(
 
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            'pending merge tips: (use -v to see all merge revisions)\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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        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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        show_pending_merges(tree, output, verbose=True)
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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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                             '    Joe Foo 2007-12-04 [merge] 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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                     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:')