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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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"""Black-box tests for brz cat.
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from bzrlib import tests
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from bzrlib.tests.matchers import ContainsNoVfsCalls
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from bzrlib.transport import memory
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from ...transport import memory
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class TestCat(tests.TestCaseWithTransport):
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def test_cat(self):
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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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self.build_tree_contents([('branch/a', b'foo\n')])
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# 'bzr cat' without an option should cat the last revision
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# 'brz cat' without an option should cat the last revision
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self.run_bzr(['cat', 'a'], retcode=3, working_dir='branch')
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tree.commit(message='1')
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self.build_tree_contents([('branch/a', 'baz\n')])
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self.build_tree_contents([('branch/a', b'baz\n')])
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self.assertEquals('foo\n',
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self.run_bzr(['cat', 'a'], working_dir='branch')[0])
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self.assertEqual('foo\n',
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self.run_bzr(['cat', 'a'], working_dir='branch')[0])
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# On Windows, we used to have a bug where newlines got changed into
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# crlf, whereas cat ought to write out the file exactly as it's
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# recorded (by default.) That problem can't be reproduced in-process,
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# so we need just one test here that
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self.assertEquals('foo\n',
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self.run_bzr_subprocess(['cat', 'a'],
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working_dir='branch')[0])
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# so we need just one test here that
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self.assertEqual(b'foo\n',
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self.run_bzr_subprocess(['cat', 'a'],
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working_dir='branch')[0])
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tree.commit(message='2')
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'baz\n', self.run_bzr(['cat', 'a'], working_dir='branch')[0])
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'foo\n', self.run_bzr(['cat', 'a', '-r', '1'],
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working_dir='branch')[0])
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'baz\n', self.run_bzr(['cat', 'a', '-r', '-1'],
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working_dir='branch')[0])
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rev_id = tree.branch.last_revision()
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'baz\n', self.run_bzr(['cat', 'a', '-r', 'revid:%s' % rev_id],
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working_dir='branch')[0])
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'baz\n', self.run_bzr(
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['cat', 'a', '-r', 'revid:%s' % rev_id.decode('utf-8')],
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working_dir='branch')[0])
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self.assertEquals('foo\n',
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self.run_bzr(['cat', 'branch/a',
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'-r', 'revno:1:branch'])[0])
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self.assertEqual('foo\n',
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self.run_bzr(['cat', 'branch/a',
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'-r', 'revno:1:branch'])[0])
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self.run_bzr(['cat', 'a'], retcode=3)
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self.run_bzr(['cat', 'a', '-r', 'revno:1:branch-that-does-not-exist'],
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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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self.build_tree_contents([('a-rev-tree', b'foo\n'),
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('c-rev', b'baz\n'), ('d-rev', b'bar\n'), ('e-rev', b'qux\n')])
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with tree.lock_write():
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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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tree.commit('add test files', rev_id=b'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.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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self.build_tree_contents([('e-rev', b'new\n')])
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tree.add(['e-rev'])
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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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self.run_bzr_error(["^brz: 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('cat d-rev')
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self.assertEqual('', err)
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self.assertEqual('bar\n', out)
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self.assertEqual('', err)
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self.run_bzr('cat a-rev-tree --name-from-revision')
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self.run_bzr('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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# 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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from ..test_filters import _stack_2
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from ...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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('README', b"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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url = self.get_readonly_url() + '/a'
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out, err = self.run_bzr(['cat', '-d', url, 'README'])
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self.assertEqual('contents of a/README\n', out)
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class TestSmartServerCat(tests.TestCaseWithTransport):
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def test_simple_branch_cat(self):
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self.setup_smart_server_with_call_log()
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t = self.make_branch_and_tree('branch')
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self.build_tree_contents([('branch/foo', 'thecontents')])
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self.reset_smart_call_log()
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out, err = self.run_bzr(['cat', "%s/foo" % self.get_url('branch')])
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# This figure represent the amount of work to perform this use case. It
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# is entirely ok to reduce this number if a test fails due to rpc_count
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# being too low. If rpc_count increases, more network roundtrips have
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# become necessary for this use case. Please do not adjust this number
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# upwards without agreement from bzr's network support maintainers.
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self.assertLength(9, self.hpss_calls)
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self.assertLength(1, self.hpss_connections)
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self.assertThat(self.hpss_calls, ContainsNoVfsCalls)