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# Copyright (C) 2007-2010 Canonical Ltd
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# -*- coding: utf-8 -*-
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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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"""Tests for the switch command of bzr."""
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21
 
import os
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23
 
from bzrlib import osutils
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from bzrlib.workingtree import WorkingTree
25
 
from bzrlib.tests import TestCaseWithTransport
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from bzrlib.directory_service import directories
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28
 
 
29
 
class TestSwitch(TestCaseWithTransport):
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31
 
    def _create_sample_tree(self):
32
 
        tree = self.make_branch_and_tree('branch-1')
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        self.build_tree(['branch-1/file-1', 'branch-1/file-2'])
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        tree.add('file-1')
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        tree.commit('rev1')
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        tree.add('file-2')
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        tree.commit('rev2')
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        return tree
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40
 
    def test_switch_up_to_date_light_checkout(self):
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        self.make_branch_and_tree('branch')
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        self.run_bzr('branch branch branch2')
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        self.run_bzr('checkout --lightweight branch checkout')
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        os.chdir('checkout')
45
 
        out, err = self.run_bzr('switch ../branch2')
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        self.assertContainsRe(err, 'Tree is up to date at revision 0.\n')
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        self.assertContainsRe(err, 'Switched to branch: .*/branch2.\n')
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        self.assertEqual('', out)
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50
 
    def test_switch_out_of_date_light_checkout(self):
51
 
        self.make_branch_and_tree('branch')
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        self.run_bzr('branch branch branch2')
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        self.build_tree(['branch2/file'])
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        self.run_bzr('add branch2/file')
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        self.run_bzr('commit -m add-file branch2')
56
 
        self.run_bzr('checkout --lightweight branch checkout')
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        os.chdir('checkout')
58
 
        out, err = self.run_bzr('switch ../branch2')
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        #self.assertContainsRe(err, '\+N  file')
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        self.assertContainsRe(err, 'Updated to revision 1.\n')
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        self.assertContainsRe(err, 'Switched to branch: .*/branch2.\n')
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        self.assertEqual('', out)
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64
 
    def _test_switch_nick(self, lightweight):
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        """Check that the nick gets switched too."""
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        tree1 = self.make_branch_and_tree('branch1')
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        tree2 = self.make_branch_and_tree('branch2')
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        tree2.pull(tree1.branch)
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        checkout =  tree1.branch.create_checkout('checkout',
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            lightweight=lightweight)
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        self.assertEqual(checkout.branch.nick, tree1.branch.nick)
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        self.assertEqual(checkout.branch.get_config().has_explicit_nickname(),
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            False)
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        self.run_bzr('switch branch2', working_dir='checkout')
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76
 
        # we need to get the tree again, otherwise we don't get the new branch
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        checkout = WorkingTree.open('checkout')
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        self.assertEqual(checkout.branch.nick, tree2.branch.nick)
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        self.assertEqual(checkout.branch.get_config().has_explicit_nickname(),
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            False)
81
 
 
82
 
    def test_switch_nick(self):
83
 
        self._test_switch_nick(lightweight=False)
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85
 
    def test_switch_nick_lightweight(self):
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        self._test_switch_nick(lightweight=True)
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88
 
    def _test_switch_explicit_nick(self, lightweight):
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        """Check that the nick gets switched too."""
90
 
        tree1 = self.make_branch_and_tree('branch1')
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        tree2 = self.make_branch_and_tree('branch2')
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        tree2.pull(tree1.branch)
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        checkout =  tree1.branch.create_checkout('checkout',
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            lightweight=lightweight)
95
 
        self.assertEqual(checkout.branch.nick, tree1.branch.nick)
96
 
        checkout.branch.nick = "explicit_nick"
97
 
        self.assertEqual(checkout.branch.nick, "explicit_nick")
98
 
        self.assertEqual(checkout.branch.get_config()._get_explicit_nickname(),
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            "explicit_nick")
100
 
        self.run_bzr('switch branch2', working_dir='checkout')
101
 
 
102
 
        # we need to get the tree again, otherwise we don't get the new branch
103
 
        checkout = WorkingTree.open('checkout')
104
 
        self.assertEqual(checkout.branch.nick, tree2.branch.nick)
105
 
        self.assertEqual(checkout.branch.get_config()._get_explicit_nickname(),
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            tree2.branch.nick)
107
 
 
108
 
    def test_switch_explicit_nick(self):
109
 
        self._test_switch_explicit_nick(lightweight=False)
110
 
 
111
 
    def test_switch_explicit_nick_lightweight(self):
112
 
        self._test_switch_explicit_nick(lightweight=True)
113
 
 
114
 
    def test_switch_finds_relative_branch(self):
115
 
        """Switch will find 'foo' relative to the branch the checkout is of."""
116
 
        self.build_tree(['repo/'])
117
 
        tree1 = self.make_branch_and_tree('repo/brancha')
118
 
        tree1.commit('foo')
119
 
        tree2 = self.make_branch_and_tree('repo/branchb')
120
 
        tree2.pull(tree1.branch)
121
 
        branchb_id = tree2.commit('bar')
122
 
        checkout =  tree1.branch.create_checkout('checkout', lightweight=True)
123
 
        self.run_bzr(['switch', 'branchb'], working_dir='checkout')
124
 
        self.assertEqual(branchb_id, checkout.last_revision())
125
 
        checkout = checkout.bzrdir.open_workingtree()
126
 
        self.assertEqual(tree2.branch.base, checkout.branch.base)
127
 
 
128
 
    def test_switch_finds_relative_bound_branch(self):
129
 
        """Using switch on a heavy checkout should find master sibling
130
 
 
131
 
        The behaviour of lighweight and heavy checkouts should be
132
 
        consistentwhen using the convenient "switch to sibling" feature
133
 
        Both should switch to a sibling of the branch
134
 
        they are bound to, and not a sibling of themself"""
135
 
 
136
 
        self.build_tree(['repo/',
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                         'heavyco/'])
138
 
        tree1 = self.make_branch_and_tree('repo/brancha')
139
 
        tree1.commit('foo')
140
 
        tree2 = self.make_branch_and_tree('repo/branchb')
141
 
        tree2.pull(tree1.branch)
142
 
        branchb_id = tree2.commit('bar')
143
 
        checkout = tree1.branch.create_checkout('heavyco/a', lightweight=False)
144
 
        self.run_bzr(['switch', 'branchb'], working_dir='heavyco/a')
145
 
        self.assertEqual(branchb_id, checkout.last_revision())
146
 
        self.assertEqual(tree2.branch.base, checkout.branch.get_bound_location())
147
 
 
148
 
    def test_switch_revision(self):
149
 
        tree = self._create_sample_tree()
150
 
        checkout = tree.branch.create_checkout('checkout', lightweight=True)
151
 
        self.run_bzr(['switch', 'branch-1', '-r1'], working_dir='checkout')
152
 
        self.failUnlessExists('checkout/file-1')
153
 
        self.failIfExists('checkout/file-2')
154
 
 
155
 
    def test_switch_only_revision(self):
156
 
        tree = self._create_sample_tree()
157
 
        checkout = tree.branch.create_checkout('checkout', lightweight=True)
158
 
        self.failUnlessExists('checkout/file-1')
159
 
        self.failUnlessExists('checkout/file-2')
160
 
        self.run_bzr(['switch', '-r1'], working_dir='checkout')
161
 
        self.failUnlessExists('checkout/file-1')
162
 
        self.failIfExists('checkout/file-2')
163
 
        # Check that we don't accept a range
164
 
        self.run_bzr_error(
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            ['bzr switch --revision takes exactly one revision identifier'],
166
 
            ['switch', '-r0..2'], working_dir='checkout')
167
 
 
168
 
    def prepare_lightweight_switch(self):
169
 
        branch = self.make_branch('branch')
170
 
        branch.create_checkout('tree', lightweight=True)
171
 
        osutils.rename('branch', 'branch1')
172
 
 
173
 
    def test_switch_lightweight_after_branch_moved(self):
174
 
        self.prepare_lightweight_switch()
175
 
        self.run_bzr('switch --force ../branch1', working_dir='tree')
176
 
        branch_location = WorkingTree.open('tree').branch.base
177
 
        self.assertEndsWith(branch_location, 'branch1/')
178
 
 
179
 
    def test_switch_lightweight_after_branch_moved_relative(self):
180
 
        self.prepare_lightweight_switch()
181
 
        self.run_bzr('switch --force branch1', working_dir='tree')
182
 
        branch_location = WorkingTree.open('tree').branch.base
183
 
        self.assertEndsWith(branch_location, 'branch1/')
184
 
 
185
 
    def test_create_branch_no_branch(self):
186
 
        self.prepare_lightweight_switch()
187
 
        self.run_bzr_error(['cannot create branch without source branch'],
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            'switch --create-branch ../branch2', working_dir='tree')
189
 
 
190
 
    def test_create_branch(self):
191
 
        branch = self.make_branch('branch')
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        tree = branch.create_checkout('tree', lightweight=True)
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        tree.commit('one', rev_id='rev-1')
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        self.run_bzr('switch --create-branch ../branch2', working_dir='tree')
195
 
        tree = WorkingTree.open('tree')
196
 
        self.assertEndsWith(tree.branch.base, '/branch2/')
197
 
 
198
 
    def test_create_branch_local(self):
199
 
        branch = self.make_branch('branch')
200
 
        tree = branch.create_checkout('tree', lightweight=True)
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        tree.commit('one', rev_id='rev-1')
202
 
        self.run_bzr('switch --create-branch branch2', working_dir='tree')
203
 
        tree = WorkingTree.open('tree')
204
 
        # The new branch should have been created at the same level as
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        # 'branch', because we did not have a '/' segment
206
 
        self.assertEqual(branch.base[:-1] + '2/', tree.branch.base)
207
 
 
208
 
    def test_create_branch_short_name(self):
209
 
        branch = self.make_branch('branch')
210
 
        tree = branch.create_checkout('tree', lightweight=True)
211
 
        tree.commit('one', rev_id='rev-1')
212
 
        self.run_bzr('switch -b branch2', working_dir='tree')
213
 
        tree = WorkingTree.open('tree')
214
 
        # The new branch should have been created at the same level as
215
 
        # 'branch', because we did not have a '/' segment
216
 
        self.assertEqual(branch.base[:-1] + '2/', tree.branch.base)
217
 
 
218
 
    def test_create_branch_directory_services(self):
219
 
        branch = self.make_branch('branch')
220
 
        tree = branch.create_checkout('tree', lightweight=True)
221
 
        class FooLookup(object):
222
 
            def look_up(self, name, url):
223
 
                return 'foo-'+name
224
 
        directories.register('foo:', FooLookup, 'Create branches named foo-')
225
 
        self.addCleanup(directories.remove, 'foo:')
226
 
        self.run_bzr('switch -b foo:branch2', working_dir='tree')
227
 
        tree = WorkingTree.open('tree')
228
 
        self.assertEndsWith(tree.branch.base, 'foo-branch2/')
229
 
 
230
 
    def test_switch_with_post_switch_hook(self):
231
 
        from bzrlib import branch as _mod_branch
232
 
        calls = []
233
 
        _mod_branch.Branch.hooks.install_named_hook('post_switch',
234
 
            calls.append, None)
235
 
        self.make_branch_and_tree('branch')
236
 
        self.run_bzr('branch branch branch2')
237
 
        self.run_bzr('checkout branch checkout')
238
 
        os.chdir('checkout')
239
 
        self.assertLength(0, calls)
240
 
        out, err = self.run_bzr('switch ../branch2')
241
 
        self.assertLength(1, calls)
242
 
 
243
 
    def test_switch_lightweight_co_with_post_switch_hook(self):
244
 
        from bzrlib import branch as _mod_branch
245
 
        calls = []
246
 
        _mod_branch.Branch.hooks.install_named_hook('post_switch',
247
 
            calls.append, None)
248
 
        self.make_branch_and_tree('branch')
249
 
        self.run_bzr('branch branch branch2')
250
 
        self.run_bzr('checkout --lightweight branch checkout')
251
 
        os.chdir('checkout')
252
 
        self.assertLength(0, calls)
253
 
        out, err = self.run_bzr('switch ../branch2')
254
 
        self.assertLength(1, calls)
255
 
 
256
 
    def test_switch_lightweight_directory(self):
257
 
        """Test --directory option"""
258
 
 
259
 
        # create a source branch
260
 
        a_tree = self.make_branch_and_tree('a')
261
 
        self.build_tree_contents([('a/a', 'initial\n')])
262
 
        a_tree.add('a')
263
 
        a_tree.commit(message='initial')
264
 
 
265
 
        # clone and add a differing revision
266
 
        b_tree = a_tree.bzrdir.sprout('b').open_workingtree()
267
 
        self.build_tree_contents([('b/a', 'initial\nmore\n')])
268
 
        b_tree.commit(message='more')
269
 
 
270
 
        self.run_bzr('checkout --lightweight a checkout')
271
 
        self.run_bzr('switch --directory checkout b')
272
 
        self.assertFileEqual('initial\nmore\n', 'checkout/a')