# Copyright (C) 2005-2010 Canonical Ltd # -*- coding: utf-8 -*- # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA """Black-box tests for bzr cat. """ import os from bzrlib import tests from bzrlib.transport import memory class TestCat(tests.TestCaseWithTransport): def test_cat(self): tree = self.make_branch_and_tree('branch') self.build_tree_contents([('branch/a', 'foo\n')]) tree.add('a') os.chdir('branch') # 'bzr cat' without an option should cat the last revision self.run_bzr(['cat', 'a'], retcode=3) tree.commit(message='1') self.build_tree_contents([('a', 'baz\n')]) # We use run_bzr_subprocess rather than run_bzr here so that we can # test mangling of line-endings on Windows. self.assertEquals(self.run_bzr_subprocess(['cat', 'a'])[0], 'foo\n') tree.commit(message='2') self.assertEquals(self.run_bzr_subprocess(['cat', 'a'])[0], 'baz\n') self.assertEquals(self.run_bzr_subprocess( ['cat', 'a', '-r', '1'])[0], 'foo\n') self.assertEquals(self.run_bzr_subprocess( ['cat', 'a', '-r', '-1'])[0], 'baz\n') rev_id = tree.branch.last_revision() self.assertEquals(self.run_bzr_subprocess( ['cat', 'a', '-r', 'revid:%s' % rev_id])[0], 'baz\n') os.chdir('..') self.assertEquals(self.run_bzr_subprocess( ['cat', 'branch/a', '-r', 'revno:1:branch'])[0], 'foo\n') self.run_bzr(['cat', 'a'], retcode=3) self.run_bzr( ['cat', 'a', '-r', 'revno:1:branch-that-does-not-exist'], retcode=3) def test_cat_different_id(self): """'cat' works with old and new files""" self.disable_missing_extensions_warning() tree = self.make_branch_and_tree('.') # the files are named after their path in the revision and # current trees later in the test case # a-rev-tree is special because it appears in both the revision # tree and the working tree self.build_tree_contents([('a-rev-tree', 'foo\n'), ('c-rev', 'baz\n'), ('d-rev', 'bar\n'), ('e-rev', 'qux\n')]) tree.lock_write() try: tree.add(['a-rev-tree', 'c-rev', 'd-rev', 'e-rev']) tree.commit('add test files', rev_id='first') # remove currently uses self._write_inventory - # work around that for now. tree.flush() tree.remove(['d-rev']) tree.rename_one('a-rev-tree', 'b-tree') tree.rename_one('c-rev', 'a-rev-tree') tree.rename_one('e-rev', 'old-rev') self.build_tree_contents([('e-rev', 'new\n')]) tree.add(['e-rev']) finally: # calling bzr as another process require free lock on win32 tree.unlock() # 'b-tree' is not present in the old tree. self.run_bzr_error(["^bzr: ERROR: u?'b-tree' " "is not present in revision .+$"], 'cat b-tree --name-from-revision') # get to the old file automatically out, err = self.run_bzr_subprocess('cat d-rev') self.assertEqual('bar\n', out) self.assertEqual('', err) out, err = \ self.run_bzr_subprocess('cat a-rev-tree --name-from-revision') self.assertEqual('foo\n', out) self.assertEqual('', err) out, err = self.run_bzr_subprocess('cat a-rev-tree') self.assertEqual('baz\n', out) self.assertEqual('', err) # the actual file-id for e-rev doesn't exist in the old tree out, err = self.run_bzr_subprocess('cat e-rev -rrevid:first') self.assertEqual('qux\n', out) self.assertEqual('', err) def test_remote_cat(self): wt = self.make_branch_and_tree('.') self.build_tree(['README']) wt.add('README') wt.commit('Making sure there is a basis_tree available') url = self.get_readonly_url() + '/README' out, err = self.run_bzr_subprocess(['cat', url]) self.assertEqual('contents of README\n', out) def test_cat_branch_revspec(self): wt = self.make_branch_and_tree('a') self.build_tree(['a/README']) wt.add('README') wt.commit('Making sure there is a basis_tree available') wt = self.make_branch_and_tree('b') os.chdir('b') out, err = self.run_bzr_subprocess( ['cat', '-r', 'branch:../a', 'README']) self.assertEqual('contents of a/README\n', out) def test_cat_filters(self): wt = self.make_branch_and_tree('.') self.build_tree(['README']) wt.add('README') wt.commit('Making sure there is a basis_tree available') url = self.get_readonly_url() + '/README' # Test unfiltered output out, err = self.run_bzr_subprocess(['cat', url]) self.assertEqual('contents of README\n', out) # Test --filters option is legal but has no impact if no filters out, err = self.run_bzr_subprocess(['cat', '--filters', url]) self.assertEqual('contents of README\n', out) def test_cat_filters_applied(self): # Test filtering applied to output. This is tricky to do in a # subprocess because we really need to patch in a plugin that # registers the filters. Instead, we patch in a custom # filter_stack and use run_bzr() ... from cStringIO import StringIO from bzrlib.commands import run_bzr from bzrlib.tests.test_filters import _stack_2 from bzrlib.trace import mutter from bzrlib.tree import Tree wt = self.make_branch_and_tree('.') self.build_tree_contents([ ('README', "junk\nline 1 of README\nline 2 of README\n"), ]) wt.add('README') wt.commit('Making sure there is a basis_tree available') url = self.get_readonly_url() + '/README' real_content_filter_stack = Tree._content_filter_stack def _custom_content_filter_stack(tree, path=None, file_id=None): return _stack_2 Tree._content_filter_stack = _custom_content_filter_stack try: out, err = self.run_bzr(['cat', url, '--filters']) # The filter stack will remove the first line and swapcase the rest self.assertEqual('LINE 1 OF readme\nLINE 2 OF readme\n', out) self.assertEqual('', err) finally: Tree._content_filter_stack = real_content_filter_stack def test_cat_no_working_tree(self): wt = self.make_branch_and_tree('.') self.build_tree(['README']) wt.add('README') wt.commit('Making sure there is a basis_tree available') wt.branch.bzrdir.destroy_workingtree() url = self.get_readonly_url() + '/README' out, err = self.run_bzr_subprocess(['cat', url]) self.assertEqual('contents of README\n', out) def test_cat_nonexistent_branch(self): self.vfs_transport_factory = memory.MemoryServer self.run_bzr_error(['^bzr: ERROR: Not a branch'], ['cat', self.get_url()])