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Viewing changes to bzrlib/tests/test_revision.py

  • Committer: Andrew Bennetts
  • Date: 2008-08-12 14:53:26 UTC
  • mto: This revision was merged to the branch mainline in revision 3624.
  • Revision ID: andrew.bennetts@canonical.com-20080812145326-yx693x2jc4rcovb7
Move the notes on writing tests out of HACKING into a new file, and improve
them.

Many of the testing notes in the HACKING file were in duplicated in two places
in that file!  This change removes that duplication.  It also adds new sections
on “Where should I put a new test?” and “TestCase and its subclasses”, and
others like “Test feature dependencies” have been expanded.  The whole document
has generally been edited to be a bit more coherent. 

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bzrlib/tests/test_revision.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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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import os
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import warnings
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from bzrlib import (
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    bugtracker,
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    revision,
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    symbol_versioning,
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    )
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from bzrlib.branch import Branch
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from bzrlib.errors import (
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    InvalidBugStatus,
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    InvalidLineInBugsProperty,
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    NoSuchRevision,
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    )
 
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from bzrlib.errors import NoSuchRevision
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from bzrlib.deprecated_graph import Graph
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from bzrlib.revision import (find_present_ancestors,
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                             NULL_REVISION)
 
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from bzrlib.symbol_versioning import one_three
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from bzrlib.tests import TestCase, TestCaseWithTransport
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from bzrlib.trace import mutter
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from bzrlib.workingtree import WorkingTree
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    the object graph is
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    B:     A:
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    a..0   a..0
 
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    a..0   a..0 
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    a..1   a..1
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    a..2   a..2
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    b..3   a..3 merges b..4
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    """
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    tree1 = self.make_branch_and_tree("branch1", format=format)
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    br1 = tree1.branch
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    tree1.commit("Commit one", rev_id="a@u-0-0")
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    tree1.commit("Commit two", rev_id="a@u-0-1")
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    tree1.commit("Commit three", rev_id="a@u-0-2")
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    tree2 = tree1.bzrdir.sprout("branch2").open_workingtree()
 
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    tree2 = tree1.bzrdir.clone("branch2").open_workingtree()
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    br2 = tree2.branch
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    tree2.commit("Commit four", rev_id="b@u-0-3")
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    tree2.commit("Commit five", rev_id="b@u-0-4")
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    revisions_2 = br2.revision_history()
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    self.assertEquals(revisions_2[-1], 'b@u-0-4')
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    tree1.merge_from_branch(br2)
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    tree1.commit("Commit six", rev_id="a@u-0-3")
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    tree1.commit("Commit seven", rev_id="a@u-0-4")
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    tree2.commit("Commit eight", rev_id="b@u-0-5")
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    self.assertEquals(br2.revision_history()[-1], 'b@u-0-5')
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    tree1.merge_from_branch(br2)
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    tree1.commit("Commit nine", rev_id="a@u-0-5")
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    # DO NOT MERGE HERE - we WANT a GHOST.
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    tree2.add_parent_tree_id(br1.revision_history()[4])
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    tree2.commit("Commit ten - ghost merge", rev_id="b@u-0-6")
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    return br1, br2
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                       rev_id, branch.repository.get_ancestry(rev_id))
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                result = sorted(branch.repository.get_ancestry(rev_id))
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                self.assertEquals(result, [None] + sorted(anc))
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class TestIntermediateRevisions(TestCaseWithTransport):
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        self.assertEqual('a', r.get_summary())
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        r.message = '\na\nb'
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        self.assertEqual('a', r.get_summary())
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        r.message = None
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        self.assertEqual('', r.get_summary())
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    def test_get_apparent_author(self):
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        r = revision.Revision('1')
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        r.committer = 'A'
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        author = self.applyDeprecated(
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                symbol_versioning.deprecated_in((1, 13, 0)),
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                r.get_apparent_author)
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        self.assertEqual('A', author)
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        r.properties['author'] = 'B'
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        author = self.applyDeprecated(
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                symbol_versioning.deprecated_in((1, 13, 0)),
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                r.get_apparent_author)
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        self.assertEqual('B', author)
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        r.properties['authors'] = 'C\nD'
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        author = self.applyDeprecated(
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                symbol_versioning.deprecated_in((1, 13, 0)),
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                r.get_apparent_author)
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        self.assertEqual('C', author)
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    def test_get_apparent_author_none(self):
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        r = revision.Revision('1')
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        author = self.applyDeprecated(
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                symbol_versioning.deprecated_in((1, 13, 0)),
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                r.get_apparent_author)
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        self.assertEqual(None, author)
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    def test_get_apparent_authors(self):
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        r = revision.Revision('1')
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        r.committer = 'A'
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        self.assertEqual(['A'], r.get_apparent_authors())
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        r.properties['author'] = 'B'
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        self.assertEqual(['B'], r.get_apparent_authors())
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        r.properties['authors'] = 'C\nD'
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        self.assertEqual(['C', 'D'], r.get_apparent_authors())
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    def test_get_apparent_authors_no_committer(self):
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        r = revision.Revision('1')
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        self.assertEqual([], r.get_apparent_authors())
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class TestRevisionBugs(TestCase):
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    """Tests for getting the bugs that a revision is linked to."""
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    def test_no_bugs(self):
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        r = revision.Revision('1')
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        self.assertEqual([], list(r.iter_bugs()))
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    def test_some_bugs(self):
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        r = revision.Revision(
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            '1', properties={
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                'bugs': bugtracker.encode_fixes_bug_urls(
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                    ['http://example.com/bugs/1',
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                     'http://launchpad.net/bugs/1234'])})
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        self.assertEqual(
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            [('http://example.com/bugs/1', bugtracker.FIXED),
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             ('http://launchpad.net/bugs/1234', bugtracker.FIXED)],
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            list(r.iter_bugs()))
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    def test_no_status(self):
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        r = revision.Revision(
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            '1', properties={'bugs': 'http://example.com/bugs/1'})
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        self.assertRaises(InvalidLineInBugsProperty, list, r.iter_bugs())
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    def test_too_much_information(self):
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        r = revision.Revision(
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            '1', properties={'bugs': 'http://example.com/bugs/1 fixed bar'})
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        self.assertRaises(InvalidLineInBugsProperty, list, r.iter_bugs())
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    def test_invalid_status(self):
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        r = revision.Revision(
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            '1', properties={'bugs': 'http://example.com/bugs/1 faxed'})
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        self.assertRaises(InvalidBugStatus, list, r.iter_bugs())
 
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        self.assertEqual('A', r.get_apparent_author())
 
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        r.properties['author'] = 'B'
 
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        self.assertEqual('B', r.get_apparent_author())