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# Copyright (C) 2005 Canonical Ltd
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# -*- coding: utf-8 -*-
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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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# 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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# 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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"""Black-box tests for bzr cat.
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from bzrlib import tests
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from bzrlib.transport import memory
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class TestCat(tests.TestCaseWithTransport):
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tree = self.make_branch_and_tree('branch')
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self.build_tree_contents([('branch/a', 'foo\n')])
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# 'bzr cat' without an option should cat the last revision
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self.run_bzr(['cat', 'a'], retcode=3)
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tree.commit(message='1')
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self.build_tree_contents([('a', 'baz\n')])
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# We use run_bzr_subprocess rather than run_bzr here so that we can
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# test mangling of line-endings on Windows.
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self.assertEquals(self.run_bzr_subprocess(['cat', 'a'])[0], 'foo\n')
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tree.commit(message='2')
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self.assertEquals(self.run_bzr_subprocess(['cat', 'a'])[0], 'baz\n')
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self.assertEquals(self.run_bzr_subprocess(
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['cat', 'a', '-r', '1'])[0],
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self.assertEquals(self.run_bzr_subprocess(
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['cat', 'a', '-r', '-1'])[0],
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rev_id = tree.branch.last_revision()
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self.assertEquals(self.run_bzr_subprocess(
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['cat', 'a', '-r', 'revid:%s' % rev_id])[0],
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self.assertEquals(self.run_bzr_subprocess(
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['cat', 'branch/a', '-r', 'revno:1:branch'])[0],
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self.run_bzr(['cat', 'a'], retcode=3)
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['cat', 'a', '-r', 'revno:1:branch-that-does-not-exist'],
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def test_cat_different_id(self):
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"""'cat' works with old and new files"""
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self.disable_missing_extensions_warning()
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tree = self.make_branch_and_tree('.')
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# the files are named after their path in the revision and
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# current trees later in the test case
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# a-rev-tree is special because it appears in both the revision
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# tree and the working tree
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self.build_tree_contents([('a-rev-tree', 'foo\n'),
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('c-rev', 'baz\n'), ('d-rev', 'bar\n'), ('e-rev', 'qux\n')])
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tree.add(['a-rev-tree', 'c-rev', 'd-rev', 'e-rev'])
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tree.commit('add test files', rev_id='first')
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# remove currently uses self._write_inventory -
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# work around that for now.
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tree.remove(['d-rev'])
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tree.rename_one('a-rev-tree', 'b-tree')
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tree.rename_one('c-rev', 'a-rev-tree')
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tree.rename_one('e-rev', 'old-rev')
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self.build_tree_contents([('e-rev', 'new\n')])
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# calling bzr as another process require free lock on win32
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# 'b-tree' is not present in the old tree.
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self.run_bzr_error(["^bzr: ERROR: u?'b-tree' "
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"is not present in revision .+$"],
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'cat b-tree --name-from-revision')
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# get to the old file automatically
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out, err = self.run_bzr_subprocess('cat d-rev')
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self.assertEqual('bar\n', out)
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self.assertEqual('', err)
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self.run_bzr_subprocess('cat a-rev-tree --name-from-revision')
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self.assertEqual('foo\n', out)
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self.assertEqual('', err)
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out, err = self.run_bzr_subprocess('cat a-rev-tree')
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self.assertEqual('baz\n', out)
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self.assertEqual('', err)
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# the actual file-id for e-rev doesn't exist in the old tree
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out, err = self.run_bzr_subprocess('cat e-rev -rrevid:first')
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self.assertEqual('qux\n', out)
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self.assertEqual('', err)
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def test_remote_cat(self):
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wt = self.make_branch_and_tree('.')
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self.build_tree(['README'])
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wt.commit('Making sure there is a basis_tree available')
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url = self.get_readonly_url() + '/README'
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out, err = self.run_bzr_subprocess(['cat', url])
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self.assertEqual('contents of README\n', out)
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def test_cat_branch_revspec(self):
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wt = self.make_branch_and_tree('a')
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self.build_tree(['a/README'])
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wt.commit('Making sure there is a basis_tree available')
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wt = self.make_branch_and_tree('b')
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out, err = self.run_bzr_subprocess(
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['cat', '-r', 'branch:../a', 'README'])
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self.assertEqual('contents of a/README\n', out)
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def test_cat_filters(self):
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wt = self.make_branch_and_tree('.')
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self.build_tree(['README'])
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wt.commit('Making sure there is a basis_tree available')
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url = self.get_readonly_url() + '/README'
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# Test unfiltered output
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out, err = self.run_bzr_subprocess(['cat', url])
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self.assertEqual('contents of README\n', out)
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# Test --filters option is legal but has no impact if no filters
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out, err = self.run_bzr_subprocess(['cat', '--filters', url])
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self.assertEqual('contents of README\n', out)
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def test_cat_filters_applied(self):
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# Test filtering applied to output. This is tricky to do in a
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# subprocess because we really need to patch in a plugin that
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# registers the filters. Instead, we patch in a custom
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# filter_stack and use run_bzr() ...
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from cStringIO import StringIO
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from bzrlib.commands import run_bzr
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from bzrlib.tests.test_filters import _stack_2
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from bzrlib.trace import mutter
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from bzrlib.tree import Tree
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wt = self.make_branch_and_tree('.')
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self.build_tree_contents([
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('README', "junk\nline 1 of README\nline 2 of README\n"),
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wt.commit('Making sure there is a basis_tree available')
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url = self.get_readonly_url() + '/README'
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real_content_filter_stack = Tree._content_filter_stack
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def _custom_content_filter_stack(tree, path=None, file_id=None):
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Tree._content_filter_stack = _custom_content_filter_stack
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out, err = self.run_bzr(['cat', url, '--filters'])
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# The filter stack will remove the first line and swapcase the rest
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self.assertEqual('LINE 1 OF readme\nLINE 2 OF readme\n', out)
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self.assertEqual('', err)
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Tree._content_filter_stack = real_content_filter_stack
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def test_cat_no_working_tree(self):
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wt = self.make_branch_and_tree('.')
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self.build_tree(['README'])
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wt.commit('Making sure there is a basis_tree available')
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wt.branch.bzrdir.destroy_workingtree()
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url = self.get_readonly_url() + '/README'
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out, err = self.run_bzr_subprocess(['cat', url])
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self.assertEqual('contents of README\n', out)
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def test_cat_nonexistent_branch(self):
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self.vfs_transport_factory = memory.MemoryServer
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self.run_bzr_error(['^bzr: ERROR: Not a branch'],
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['cat', self.get_url()])
added
removed
bzrlib/tests/blackbox/test_cat.py
