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"""Black-box tests for bzr cat.
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from bzrlib.tests.blackbox import TestCaseWithTransport
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class TestCat(TestCaseWithTransport):
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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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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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# '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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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([('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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self.build_tree_contents([('branch/a', 'baz\n')])
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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.assertEqual('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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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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'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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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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'baz\n', self.run_bzr(['cat', 'a', '-r', 'revid:%s' % rev_id],
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working_dir='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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['cat', 'a', '-r', 'revno:1:branch-that-does-not-exist'],
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self.run_bzr(['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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'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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out, err = self.run_bzr('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.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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out, err = self.run_bzr_subprocess('cat a-rev-tree')
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out, err = self.run_bzr('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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out, err = self.run_bzr('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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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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out, err = self.run_bzr(['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(['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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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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out, err = self.run_bzr(['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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out, err = self.run_bzr(['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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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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out, err = self.run_bzr(['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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if sys.platform == "win32":
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location = "C:/i/do/not/exist"
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location = "/i/do/not/exist"
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self.run_bzr_error(['^bzr: ERROR: Not a branch'], ['cat', location])
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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()])
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def test_cat_directory(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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out, err = self.run_bzr(['cat', '--directory=a', 'README'])
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self.assertEqual('contents of a/README\n', out)
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def test_cat_remote_directory(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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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)