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Viewing changes to breezy/tests/blackbox/test_checkout.py

  • Committer: Gustav Hartvigsson
  • Date: 2021-01-09 21:36:27 UTC
  • Revision ID: gustav.hartvigsson@gmail.com-20210109213627-h1xwcutzy9m7a99b
Added 'Case Preserving Working Tree Use Cases' from Canonical Wiki

* Addod a page from the Canonical Bazaar wiki
  with information on the scmeatics of case
  perserving filesystems an a case insensitive
  filesystem works.
  
  * Needs re-work, but this will do as it is the
    same inforamoton as what was on the linked
    page in the currint documentation.

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breezy/tests/blackbox/test_checkout.py
 
1
# Copyright (C) 2006, 2007, 2009-2012, 2016 Canonical Ltd
 
2
#
 
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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.
 
12
#
 
13
# You should have received a copy of the GNU General Public License
 
14
# along with this program; if not, write to the Free Software
 
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
16
 
 
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"""Tests for the 'checkout' CLI command."""
 
18
 
 
19
import os
 
20
 
 
21
from breezy import (
 
22
    branch as _mod_branch,
 
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    controldir,
 
24
    errors,
 
25
    workingtree,
 
26
    )
 
27
from breezy.bzr import (
 
28
    bzrdir,
 
29
    )
 
30
from breezy.tests import (
 
31
    TestCaseWithTransport,
 
32
    )
 
33
from breezy.tests.features import (
 
34
    HardlinkFeature,
 
35
    )
 
36
 
 
37
 
 
38
class TestCheckout(TestCaseWithTransport):
 
39
 
 
40
    def setUp(self):
 
41
        super(TestCheckout, self).setUp()
 
42
        tree = controldir.ControlDir.create_standalone_workingtree('branch')
 
43
        tree.commit('1', rev_id=b'1', allow_pointless=True)
 
44
        self.build_tree(['branch/added_in_2'])
 
45
        tree.add('added_in_2')
 
46
        tree.commit('2', rev_id=b'2')
 
47
 
 
48
    def test_checkout_makes_bound_branch(self):
 
49
        self.run_bzr('checkout branch checkout')
 
50
        # if we have a checkout, the branch base should be 'branch'
 
51
        source = controldir.ControlDir.open('branch')
 
52
        result = controldir.ControlDir.open('checkout')
 
53
        self.assertEqual(source.open_branch().controldir.root_transport.base,
 
54
                         result.open_branch().get_bound_location())
 
55
 
 
56
    def test_checkout_light_makes_checkout(self):
 
57
        self.run_bzr('checkout --lightweight branch checkout')
 
58
        # if we have a checkout, the branch base should be 'branch'
 
59
        source = controldir.ControlDir.open('branch')
 
60
        result = controldir.ControlDir.open('checkout')
 
61
        self.assertEqual(source.open_branch().controldir.root_transport.base,
 
62
                         result.open_branch().controldir.root_transport.base)
 
63
 
 
64
    def test_checkout_dash_r(self):
 
65
        out, err = self.run_bzr(['checkout', '-r', '-2', 'branch', 'checkout'])
 
66
        # the working tree should now be at revision '1' with the content
 
67
        # from 1.
 
68
        result = controldir.ControlDir.open('checkout')
 
69
        self.assertEqual([b'1'], result.open_workingtree().get_parent_ids())
 
70
        self.assertPathDoesNotExist('checkout/added_in_2')
 
71
 
 
72
    def test_checkout_light_dash_r(self):
 
73
        out, err = self.run_bzr(['checkout', '--lightweight', '-r', '-2',
 
74
                                 'branch', 'checkout'])
 
75
        # the working tree should now be at revision '1' with the content
 
76
        # from 1.
 
77
        result = controldir.ControlDir.open('checkout')
 
78
        self.assertEqual([b'1'], result.open_workingtree().get_parent_ids())
 
79
        self.assertPathDoesNotExist('checkout/added_in_2')
 
80
 
 
81
    def test_checkout_into_empty_dir(self):
 
82
        self.make_controldir('checkout')
 
83
        out, err = self.run_bzr(['checkout', 'branch', 'checkout'])
 
84
        result = controldir.ControlDir.open('checkout')
 
85
        tree = result.open_workingtree()
 
86
        branch = result.open_branch()
 
87
 
 
88
    def test_checkout_reconstitutes_working_trees(self):
 
89
        # doing a 'brz checkout' in the directory of a branch with no tree
 
90
        # or a 'brz checkout path' with path the name of a directory with
 
91
        # a branch with no tree will reconsistute the tree.
 
92
        os.mkdir('treeless-branch')
 
93
        branch = controldir.ControlDir.create_branch_convenience(
 
94
            'treeless-branch',
 
95
            force_new_tree=False,
 
96
            format=bzrdir.BzrDirMetaFormat1())
 
97
        # check no tree was created
 
98
        self.assertRaises(errors.NoWorkingTree,
 
99
                          branch.controldir.open_workingtree)
 
100
        out, err = self.run_bzr('checkout treeless-branch')
 
101
        # we should have a tree now
 
102
        branch.controldir.open_workingtree()
 
103
        # with no diff
 
104
        out, err = self.run_bzr('diff treeless-branch')
 
105
 
 
106
        # now test with no parameters
 
107
        branch = controldir.ControlDir.create_branch_convenience(
 
108
            '.',
 
109
            force_new_tree=False,
 
110
            format=bzrdir.BzrDirMetaFormat1())
 
111
        # check no tree was created
 
112
        self.assertRaises(errors.NoWorkingTree,
 
113
                          branch.controldir.open_workingtree)
 
114
        out, err = self.run_bzr('checkout')
 
115
        # we should have a tree now
 
116
        branch.controldir.open_workingtree()
 
117
        # with no diff
 
118
        out, err = self.run_bzr('diff')
 
119
 
 
120
    def _test_checkout_existing_dir(self, lightweight):
 
121
        source = self.make_branch_and_tree('source')
 
122
        self.build_tree_contents([('source/file1', b'content1'),
 
123
                                  ('source/file2', b'content2'), ])
 
124
        source.add(['file1', 'file2'])
 
125
        source.commit('added files')
 
126
        self.build_tree_contents([('target/', b''),
 
127
                                  ('target/file1', b'content1'),
 
128
                                  ('target/file2', b'content3'), ])
 
129
        cmd = ['checkout', 'source', 'target']
 
130
        if lightweight:
 
131
            cmd.append('--lightweight')
 
132
        self.run_bzr('checkout source target')
 
133
        # files with unique content should be moved
 
134
        self.assertPathExists('target/file2.moved')
 
135
        # files with content matching tree should not be moved
 
136
        self.assertPathDoesNotExist('target/file1.moved')
 
137
 
 
138
    def test_checkout_existing_dir_heavy(self):
 
139
        self._test_checkout_existing_dir(False)
 
140
 
 
141
    def test_checkout_existing_dir_lightweight(self):
 
142
        self._test_checkout_existing_dir(True)
 
143
 
 
144
    def test_checkout_in_branch_with_r(self):
 
145
        branch = _mod_branch.Branch.open('branch')
 
146
        branch.controldir.destroy_workingtree()
 
147
        self.run_bzr('checkout -r 1', working_dir='branch')
 
148
        tree = workingtree.WorkingTree.open('branch')
 
149
        self.assertEqual(b'1', tree.last_revision())
 
150
        branch.controldir.destroy_workingtree()
 
151
        self.run_bzr('checkout -r 0', working_dir='branch')
 
152
        self.assertEqual(b'null:', tree.last_revision())
 
153
 
 
154
    def test_checkout_files_from(self):
 
155
        branch = _mod_branch.Branch.open('branch')
 
156
        self.run_bzr(['checkout', 'branch', 'branch2', '--files-from',
 
157
                      'branch'])
 
158
 
 
159
    def test_checkout_hardlink(self):
 
160
        self.requireFeature(HardlinkFeature)
 
161
        source = self.make_branch_and_tree('source')
 
162
        self.build_tree(['source/file1'])
 
163
        source.add('file1')
 
164
        source.commit('added file')
 
165
        out, err = self.run_bzr('checkout source target --hardlink')
 
166
        source_stat = os.stat('source/file1')
 
167
        target_stat = os.stat('target/file1')
 
168
        self.assertEqual(source_stat, target_stat)
 
169
 
 
170
    def test_checkout_hardlink_files_from(self):
 
171
        self.requireFeature(HardlinkFeature)
 
172
        source = self.make_branch_and_tree('source')
 
173
        self.build_tree(['source/file1'])
 
174
        source.add('file1')
 
175
        source.commit('added file')
 
176
        source.controldir.sprout('second')
 
177
        out, err = self.run_bzr('checkout source target --hardlink'
 
178
                                ' --files-from second')
 
179
        second_stat = os.stat('second/file1')
 
180
        target_stat = os.stat('target/file1')
 
181
        self.assertEqual(second_stat, target_stat)
 
182
 
 
183
    def test_colo_checkout(self):
 
184
        source = self.make_branch_and_tree('source', format='development-colo')
 
185
        self.build_tree(['source/file1'])
 
186
        source.add('file1')
 
187
        source.commit('added file')
 
188
        target = source.controldir.sprout('file:second,branch=somebranch',
 
189
                                          create_tree_if_local=False)
 
190
        out, err = self.run_bzr('checkout file:,branch=somebranch .',
 
191
                                working_dir='second')
 
192
        # We should always be creating a lighweight checkout for colocated
 
193
        # branches.
 
194
        self.assertEqual(
 
195
            target.open_branch(name='somebranch').user_url,
 
196
            target.get_branch_reference(name=""))