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  • Committer: Jelmer Vernooij
  • Date: 2019-10-13 22:53:02 UTC
  • mfrom: (7290.1.35 work)
  • mto: This revision was merged to the branch mainline in revision 7405.
  • Revision ID: jelmer@jelmer.uk-20191013225302-vg88ztajzq05hkas
Merge lp:brz/3.0.

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breezy/tests/test_bisect.py
 
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# Copyright (C) 2007-2010 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
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"Test suite for the bzr bisect plugin."
 
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from __future__ import absolute_import
 
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from ..sixish import StringIO
 
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import os
 
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import shutil
 
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from ..controldir import ControlDir
 
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from .. import bisect
 
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from . import (
 
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    TestCaseWithTransport,
 
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    TestSkipped,
 
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    )
 
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class BisectTestCase(TestCaseWithTransport):
 
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    """Test harness specific to the bisect plugin."""
 
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    def assertRevno(self, rev):
 
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        """Make sure we're at the right revision."""
 
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        rev_contents = {1: "one", 1.1: "one dot one", 1.2: "one dot two",
 
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                        1.3: "one dot three", 2: "two", 3: "three",
 
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                        4: "four", 5: "five"}
 
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        with open("test_file") as f:
 
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            content = f.read().strip()
 
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        if content != rev_contents[rev]:
 
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            rev_ids = dict((rev_contents[k], k) for k in rev_contents)
 
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            found_rev = rev_ids[content]
 
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            raise AssertionError("expected rev %0.1f, found rev %0.1f"
 
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                                 % (rev, found_rev))
 
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    def setUp(self):
 
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        """Set up tests."""
 
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        # These tests assume a branch with five revisions, and
 
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        # a branch from version 1 containing three revisions
 
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        # merged at version 2.
 
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        TestCaseWithTransport.setUp(self)
 
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        self.tree = self.make_branch_and_tree(".")
 
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        test_file = open("test_file", "w")
 
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        test_file.write("one")
 
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        test_file.close()
 
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        self.tree.add(self.tree.relpath(os.path.join(os.getcwd(),
 
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                                                     'test_file')))
 
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        test_file_append = open("test_file_append", "a")
 
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        test_file_append.write("one\n")
 
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        test_file_append.close()
 
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        self.tree.add(self.tree.relpath(os.path.join(os.getcwd(),
 
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                                                     'test_file_append')))
 
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        self.tree.commit(message="add test files")
 
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        ControlDir.open(".").sprout("../temp-clone")
 
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        clone_bzrdir = ControlDir.open("../temp-clone")
 
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        clone_tree = clone_bzrdir.open_workingtree()
 
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        for content in ["one dot one", "one dot two", "one dot three"]:
 
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            test_file = open("../temp-clone/test_file", "w")
 
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            test_file.write(content)
 
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            test_file.close()
 
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            test_file_append = open("../temp-clone/test_file_append", "a")
 
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            test_file_append.write(content + "\n")
 
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            test_file_append.close()
 
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            clone_tree.commit(message="make branch test change")
 
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            saved_subtree_revid = clone_tree.branch.last_revision()
 
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        self.tree.merge_from_branch(clone_tree.branch)
 
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        test_file = open("test_file", "w")
 
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        test_file.write("two")
 
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        test_file.close()
 
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        test_file_append = open("test_file_append", "a")
 
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        test_file_append.write("two\n")
 
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        test_file_append.close()
 
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        self.tree.commit(message="merge external branch")
 
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        shutil.rmtree("../temp-clone")
 
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        self.subtree_rev = saved_subtree_revid
 
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99
        file_contents = ["three", "four", "five"]
 
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        for content in file_contents:
 
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            test_file = open("test_file", "w")
 
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            test_file.write(content)
 
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            test_file.close()
 
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            test_file_append = open("test_file_append", "a")
 
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            test_file_append.write(content + "\n")
 
106
            test_file_append.close()
 
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            self.tree.commit(message="make test change")
 
108
 
 
109
 
 
110
class BisectHarnessTests(BisectTestCase):
 
111
    """Tests for the harness itself."""
 
112
 
 
113
    def testLastRev(self):
 
114
        """Test that the last revision is correct."""
 
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        repo = self.tree.branch.repository
 
116
        top_revtree = repo.revision_tree(self.tree.last_revision())
 
117
        top_revtree.lock_read()
 
118
        top_file = top_revtree.get_file("test_file")
 
119
        test_content = top_file.read().strip()
 
120
        top_file.close()
 
121
        top_revtree.unlock()
 
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        self.assertEqual(test_content, b"five")
 
123
 
 
124
    def testSubtreeRev(self):
 
125
        """Test that the last revision in a subtree is correct."""
 
126
        repo = self.tree.branch.repository
 
127
        sub_revtree = repo.revision_tree(self.subtree_rev)
 
128
        sub_revtree.lock_read()
 
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        with sub_revtree.get_file("test_file") as sub_file:
 
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            test_content = sub_file.read().strip()
 
131
        sub_revtree.unlock()
 
132
        self.assertEqual(test_content, b"one dot three")
 
133
 
 
134
 
 
135
class BisectCurrentUnitTests(BisectTestCase):
 
136
    """Test the BisectCurrent class."""
 
137
 
 
138
    def testShowLog(self):
 
139
        """Test that the log can be shown."""
 
140
        # Not a very good test; just makes sure the code doesn't fail,
 
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        # not that the output makes any sense.
 
142
        sio = StringIO()
 
143
        bisect.BisectCurrent(self.tree.controldir).show_rev_log(outf=sio)
 
144
 
 
145
    def testShowLogSubtree(self):
 
146
        """Test that a subtree's log can be shown."""
 
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        current = bisect.BisectCurrent(self.tree.controldir)
 
148
        current.switch(self.subtree_rev)
 
149
        sio = StringIO()
 
150
        current.show_rev_log(outf=sio)
 
151
 
 
152
    def testSwitchVersions(self):
 
153
        """Test switching versions."""
 
154
        current = bisect.BisectCurrent(self.tree.controldir)
 
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        self.assertRevno(5)
 
156
        current.switch(4)
 
157
        self.assertRevno(4)
 
158
 
 
159
    def testReset(self):
 
160
        """Test resetting the working tree to a non-bisected state."""
 
161
        current = bisect.BisectCurrent(self.tree.controldir)
 
162
        current.switch(4)
 
163
        current.reset()
 
164
        self.assertRevno(5)
 
165
        self.assertFalse(os.path.exists(
 
166
            os.path.join('.bzr', bisect.BISECT_REV_PATH)))
 
167
 
 
168
    def testIsMergePoint(self):
 
169
        """Test merge point detection."""
 
170
        current = bisect.BisectCurrent(self.tree.controldir)
 
171
        self.assertRevno(5)
 
172
        self.assertFalse(current.is_merge_point())
 
173
        current.switch(2)
 
174
        self.assertTrue(current.is_merge_point())
 
175
 
 
176
 
 
177
class BisectLogUnitTests(BisectTestCase):
 
178
    """Test the BisectLog class."""
 
179
 
 
180
    def testCreateBlank(self):
 
181
        """Test creation of new log."""
 
182
        bisect_log = bisect.BisectLog(self.tree.controldir)
 
183
        bisect_log.save()
 
184
        self.assertTrue(
 
185
            os.path.exists(os.path.join('.bzr', bisect.BISECT_INFO_PATH)))
 
186
 
 
187
    def testLoad(self):
 
188
        """Test loading a log."""
 
189
        preloaded_log = open(os.path.join(
 
190
            '.bzr', bisect.BISECT_INFO_PATH), "w")
 
191
        preloaded_log.write("rev1 yes\nrev2 no\nrev3 yes\n")
 
192
        preloaded_log.close()
 
193
 
 
194
        bisect_log = bisect.BisectLog(self.tree.controldir)
 
195
        self.assertEqual(len(bisect_log._items), 3)
 
196
        self.assertEqual(bisect_log._items[0], (b"rev1", "yes"))
 
197
        self.assertEqual(bisect_log._items[1], (b"rev2", "no"))
 
198
        self.assertEqual(bisect_log._items[2], (b"rev3", "yes"))
 
199
 
 
200
    def testSave(self):
 
201
        """Test saving the log."""
 
202
        bisect_log = bisect.BisectLog(self.tree.controldir)
 
203
        bisect_log._items = [
 
204
            (b"rev1", "yes"), (b"rev2", "no"), (b"rev3", "yes")]
 
205
        bisect_log.save()
 
206
 
 
207
        with open(os.path.join('.bzr', bisect.BISECT_INFO_PATH), 'rb') as logfile:
 
208
            self.assertEqual(logfile.read(), b"rev1 yes\nrev2 no\nrev3 yes\n")