/brz/remove-bazaar

# Copyright (C) 2008, 2009, 2010 Canonical Ltd

#

# 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

#

"""Tests of the 'brz dump-btree' command."""

from breezy import (

    tests,

    )

from breezy.bzr import (

    btree_index,

    )

from breezy.tests import (

    http_server,

    )

class TestDumpBtree(tests.TestCaseWithTransport):

    def create_sample_btree_index(self):

        builder = btree_index.BTreeBuilder(

            reference_lists=1, key_elements=2)

        builder.add_node((b'test', b'key1'), b'value',

                         (((b'ref', b'entry'),),))

        builder.add_node((b'test', b'key2'), b'value2',

                         (((b'ref', b'entry2'),),))

        builder.add_node((b'test2', b'key3'), b'value3',

                         (((b'ref', b'entry3'),),))

        out_f = builder.finish()

        try:

            self.build_tree_contents([('test.btree', out_f.read())])

        finally:

            out_f.close()

    def test_dump_btree_smoke(self):

        self.create_sample_btree_index()

        out, err = self.run_bzr('dump-btree test.btree')

        self.assertEqualDiff(

            "(('test', 'key1'), 'value', ((('ref', 'entry'),),))\n"

            "(('test', 'key2'), 'value2', ((('ref', 'entry2'),),))\n"

            "(('test2', 'key3'), 'value3', ((('ref', 'entry3'),),))\n",

            out)

    def test_dump_btree_http_smoke(self):

        self.transport_readonly_server = http_server.HttpServer

        self.create_sample_btree_index()

        url = self.get_readonly_url('test.btree')

        out, err = self.run_bzr(['dump-btree', url])

        self.assertEqualDiff(

            "(('test', 'key1'), 'value', ((('ref', 'entry'),),))\n"

            "(('test', 'key2'), 'value2', ((('ref', 'entry2'),),))\n"

            "(('test2', 'key3'), 'value3', ((('ref', 'entry3'),),))\n",

            out)

    def test_dump_btree_raw_smoke(self):

        self.create_sample_btree_index()

        out, err = self.run_bzr('dump-btree test.btree --raw')

        self.assertEqualDiff(

            'Root node:\n'

            'B+Tree Graph Index 2\n'

            'node_ref_lists=1\n'

            'key_elements=2\n'

            'len=3\n'

            'row_lengths=1\n'

            '\n'

            'Page 0\n'

            'type=leaf\n'

            'test\0key1\0ref\0entry\0value\n'

            'test\0key2\0ref\0entry2\0value2\n'

            'test2\0key3\0ref\0entry3\0value3\n'

            '\n',

            out)

    def test_dump_btree_no_refs_smoke(self):

        # A BTree index with no ref lists (such as *.cix) can be dumped without

        # errors.

        builder = btree_index.BTreeBuilder(

            reference_lists=0, key_elements=2)

        builder.add_node((b'test', b'key1'), b'value')

        out_f = builder.finish()

        try:

            self.build_tree_contents([('test.btree', out_f.read())])

        finally:

            out_f.close()

        out, err = self.run_bzr('dump-btree test.btree')

    def create_sample_empty_btree_index(self):

        builder = btree_index.BTreeBuilder(

            reference_lists=1, key_elements=2)

        out_f = builder.finish()

        try:

            self.build_tree_contents([('test.btree', out_f.read())])

        finally:

            out_f.close()

    def test_dump_empty_btree_smoke(self):

        self.create_sample_empty_btree_index()

        out, err = self.run_bzr('dump-btree test.btree')

        self.assertEqualDiff("", out)

    def test_dump_empty_btree_http_smoke(self):

        self.transport_readonly_server = http_server.HttpServer

        self.create_sample_empty_btree_index()

        url = self.get_readonly_url('test.btree')

        out, err = self.run_bzr(['dump-btree', url])

        self.assertEqualDiff("", out)

    def test_dump_empty_btree_raw_smoke(self):

        self.create_sample_empty_btree_index()

        out, err = self.run_bzr('dump-btree test.btree --raw')

        self.assertEqualDiff(

            'Root node:\n'

            'B+Tree Graph Index 2\n'

            'node_ref_lists=1\n'

            'key_elements=2\n'

            'len=0\n'

            'row_lengths=\n'

            '\n'

            'Page 0\n'

            '(empty)\n',

            out)