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# This file is part of rhizi, a collaborative knowledge graph editor.
# Copyright (C) 2014-2015 Rhizi
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published
# by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# coding=utf-8 # TODO: rm on python 3 migration
import unittest
from db_op import DBO_rzdoc__clone, DBO_add_node_set, DBO_add_link_set, \
DBO_block_chain__commit, DBO_diff_commit__attr, DBO_diff_commit__topo, \
DBO_rm_node_set, DB_composed_op, DBO_block_chain__init, DBO_rzdoc__create, \
DBO_rzdoc__delete, DBO_rzdoc__list, DBO_rzdoc__lookup_by_name
from model.graph import Attr_Diff, Topo_Diff
from neo4j_cypher import Cypher_Parser, DB_Query
from neo4j_qt import QT_RZDOC_NS_Filter
import neo4j_test_util
from neo4j_util import meta_attr_list_to_meta_attr_map
from rz_config import RZ_Config
from rz_server import init_log
from test_util import generate_random_node_dict, generate_random_link_dict, \
generate_random_RZDoc
from test_util__pydev import debug__pydev_pd_arg
class Test_DB_Op(unittest.TestCase):
@classmethod
def setUpClass(self):
cfg = RZ_Config.init_from_file('res/etc/rhizi-server.conf')
self.log = init_log(cfg)
def setUp(self):
pass
def gen_full_db_op_set(self, test_label):
n_0, n_0_id = generate_random_node_dict(test_label)
n_1, n_1_id = generate_random_node_dict(test_label)
l_0, l_0_id = generate_random_link_dict(test_label, n_0_id, n_1_id)
n_set = [n_0, n_1]
l_set = [l_0]
topo_diff = Topo_Diff(node_set_add=n_set, link_set_add=l_set)
attr_diff = Attr_Diff()
attr_diff.add_node_attr_write(n_0_id, 'attr_0', 0)
test_rzdoc = generate_random_RZDoc(test_label)
op_set = [
DBO_rzdoc__clone(),
DBO_add_node_set(meta_attr_list_to_meta_attr_map(n_set)),
DBO_add_link_set(meta_attr_list_to_meta_attr_map(l_set, meta_attr='__type')),
DBO_diff_commit__attr(attr_diff),
DBO_diff_commit__topo(topo_diff),
DBO_rm_node_set(id_set=[n_0_id]),
# block chain
DBO_block_chain__init(test_rzdoc),
DBO_block_chain__commit(commit_obj=topo_diff.to_json_dict()),
# rzdoc
DBO_rzdoc__create(test_rzdoc),
DBO_rzdoc__delete(test_rzdoc),
DBO_rzdoc__list(),
DBO_rzdoc__lookup_by_name(test_rzdoc.name),
]
return op_set
def tearDown(self):
pass
def test_cypher_exp_parsing(self):
def validate_parse_tree(pt, q_str):
self.log.debug('\n'.join([' q: %s' % (q_str),
'q\': %s' % (pt.str__cypher_query()),
'struct: \n%s' % (pt.str__struct_tree()),
]))
if pt.str__cypher_query() != q_str: # test for precise query string match
self.fail()
valid_exp_set = []
#
# parse expression set
#
parser = Cypher_Parser()
exp_set = [
'create (n:A)-[r:B]->(m:C:D), ({a: 0, b: \'b\'})',
'match (n) with n order by n.id skip 0 limit 2 optional match (n)-[r]->(m) return n,labels(n),collect([m.id, r, type(r)])',
'match (src {id: {src}.id}), (dst {id: {dst}.id})',
'match (n {id: {id_foo}})',
'match ()',
'match (n:`F oo`:A {a: \'ba r\', b: 0}), (m {c: 0})',
'match (n), ()-[r]-()',
'match ()-[:A]->()',
'match (n:`T_nMu7ktxW` {node_attr})',
'match (n:A:B)-[r_b:Knows {a: \'0\'}]-(m:Skill), (n)-[]-(m)',
# path quantifier
'match (n:A)-[r:B*0..4]-(m)',
'match (m)-[*0..2]-(m)',
'match ()-[r*0..6]-()',
#
# UNICODE tests
#
u'create (n:א)-[r:ב]->(m:ג:ד)',
u'create ({א: 0})',
u'create ({א: 0, נ: \'ערך ב\'})',
]
# exp_set = []
for clause in exp_set:
pt = parser.parse_expression(clause)
validate_parse_tree(pt, clause)
valid_exp_set += [clause]
#
# parse all db ops
#
test_label = neo4j_test_util.rand_label()
op_set = self.gen_full_db_op_set(test_label)
# op_set = []
for op in op_set:
if isinstance(op, DB_composed_op): continue # validated through sub-ops
for _idx, db_q, _db_q_result in op.iter__r_set():
q_str = db_q.q_str
validate_parse_tree(db_q.pt_root, q_str)
valid_exp_set += [q_str]
self.log.debug('-' * 80 + '\npassed expression count: %d:\n\n%s' % (len(valid_exp_set),
'\n'.join(valid_exp_set)))
def test_T__add_node_filter__meta_label(self):
test_label = neo4j_test_util.rand_label()
dbq_set = []
op_set = self.gen_full_db_op_set(test_label)
for op in op_set:
if isinstance(op, DB_composed_op): continue # sub-queries tested instead
for _idx, db_q, _db_q_result in op:
dbq_set.append(db_q)
self.test_T__common(dbq_set, DB_Query.t__add_node_filter__meta_label)
def test_T__add_node_filter__rzdoc_id_label(self):
test_label = neo4j_test_util.rand_label()
test_rzdoc = generate_random_RZDoc(test_label)
dbq_set = []
op_set = self.gen_full_db_op_set(test_label)
for op in op_set:
if isinstance(op, DB_composed_op): continue # sub-queries tested instead
for dbq in op:
dbq_set.append(dbq)
q_arr = ['match (n)-[l_old {id: {id}}]->(m)',
'where type(l_old)<>\'is not\'',
'delete l_old, params: {\'id\': u\'9fbhxwcn\'}']
dbq = DB_Query(q_arr)
dbq_set = [dbq]
# dbq_set = dbq_set[:1]
self.test_T__common(dbq_set, QT_RZDOC_NS_Filter, test_rzdoc)
def test_T__common(self, dbq_set, T, *args):
self.log.debug('\n')
for db_q in dbq_set:
q_str__pre = db_q.q_str
try:
t = T(*args) # instantiate transformation
t(db_q)
q_str__post = db_q.pt_root.str__cypher_query()
self.log.debug('test case:\n\t q: %s\n\tq\': %s\n' % (q_str__pre,
q_str__post))
except Exception as e:
self.log.debug('transformation failed:\n\tq: %s\n%r' % (q_str__pre,
db_q.pt_root))
self.log.exception(e)
@debug__pydev_pd_arg
def main():
unittest.main(defaultTest='Test_DB_Op.test_cypher_exp_parsing', verbosity=2)
if __name__ == "__main__":
main()
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