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Diffstat (limited to 'src/server-tests/test_db_controller.py')
| -rw-r--r-- | src/server-tests/test_db_controller.py | 327 |
1 files changed, 327 insertions, 0 deletions
diff --git a/src/server-tests/test_db_controller.py b/src/server-tests/test_db_controller.py new file mode 100644 index 00000000..79be62d2 --- /dev/null +++ b/src/server-tests/test_db_controller.py @@ -0,0 +1,327 @@ +import unittest +import logging +import db_controller as dbc + +from rhizi_server import Config +from neo4j_test_util import rand_id +from neo4j_test_util import flush_db +from neo4j_test_util import gen_rand_data +from neo4j_util import Neo4JException + +from model.graph import Attr_Diff +from model.graph import Topo_Diff +from model.model import Link + +class TestDBController(unittest.TestCase): + + db_ctl = None + log = None + + n_map = { 'Skill': [{'name': 'Kung Fu', 'id': 'skill_00' }, + {'name': 'Judo', 'id': 'skill_01' } + ], + + 'Person': [{'name': 'Bob', 'id': 'person_00', 'age': 128 }, + {'name': 'Alice', 'id': 'person_01', 'age': 256 } + ] + } + + l_map = { 'Knows' : [Link.link_ptr('person_00', 'skill_00'), + Link.link_ptr('person_00', 'skill_01')] } + + @classmethod + def setUpClass(self): + cfg = Config.init_from_file('res/etc/rhizi-server.conf') + self.db_ctl = dbc.DB_Controller(cfg) + self.log = logging.getLogger('rhizi') + self.log.addHandler(logging.StreamHandler()) + + # TODO rm when implemented: neo4j_test_util + self.db_ctl.exec_cypher_query('create index on :Person(id)') + self.db_ctl.exec_cypher_query('create index on :Skill(id)') + + def setUp(self): + flush_db(self.db_ctl) # remove once embedded DB test mode is supported + self.db_ctl.exec_op(dbc.DBO_add_node_set(self.n_map)) + self.db_ctl.exec_op(dbc.DBO_add_link_set(self.l_map)) + + def test_db_op_statement_iteration(self): + s_arr = ['create (b:Book {title: \'foo\'}) return b', + 'match (n) return n', ] + + op = dbc.DB_op() + op.add_statement(s_arr[0]) + op.add_statement(s_arr[1]) + + i = 0 + for _, s, r in op: + # access: second tuple item -> REST-form 'statement' key + self.assertEqual(s_arr[i], s['statement']) + self.assertEqual(None, r) + i = i + 1 + + self.db_ctl.exec_op(op) + + i = 0 + for _, s, r_set in op: + # access: second tuple item -> REST-form 'statement' key + self.assertNotEqual(None, r_set) + for x in r_set: + pass + i = i + 1 + + def test_add_node_set(self): + n_map = { 'T_test_add_node_set': [{'id': rand_id()}, {'id': rand_id()}] } + op = dbc.DBO_add_node_set(n_map) + + self.assertEqual(len(op.statement_set), 1) # assert a single statement is issued + + id_set = self.db_ctl.exec_op(op) + self.assertEqual(len(id_set), 2) + + def test_add_link_set(self): + src_id = rand_id() + dst_id_0 = rand_id() + dst_id_1 = rand_id() + n_map = { 'T_test_add_node_set': [{'id': src_id }, + {'id': dst_id_0 }, + {'id': dst_id_1 }] } + self.db_ctl.exec_op(dbc.DBO_add_node_set(n_map)) + + l_map = { 'T_test_add_link_set' : [{'__src': src_id, '__dst': dst_id_0}, + {'__src': src_id, '__dst': dst_id_1}] } + + op = dbc.DBO_add_link_set(l_map) + self.assertEqual(len(op.statement_set), 2) # no support yet for parameterized statements for link creation + + l_set = self.db_ctl.exec_op(op) + self.assertEqual(len(l_set), 2) + + def test_match_node_set_by_type(self): + op = dbc.DBO_match_node_id_set(filter_label='Person') + id_set = self.db_ctl.exec_op(op) + self.assertEqual(len(id_set), 2) + + op = dbc.DBO_match_node_id_set(filter_label='Nan_Type') + id_set = self.db_ctl.exec_op(op) + self.assertEqual(len(id_set), 0) + + def test_match_node_set_by_attribute(self): + fam = { 'name': ['Bob', u'Judo'], 'age': [128] } + n_set = self.db_ctl.exec_op(dbc.DBO_match_node_id_set(filter_attr_map=fam)) + self.assertEqual(len(n_set), 1) + + fam = { 'age': [128, 256, 404] } + n_set = self.db_ctl.exec_op(dbc.DBO_match_node_id_set(filter_attr_map=fam)) + self.assertEqual(len(n_set), 2) + + def test_match_node_set_by_DB_id(self): + pass # TODO + + def test_match_node_set_by_id_attribute(self): + n_set = self.db_ctl.exec_op(dbc.DBO_match_node_set_by_id_attribute(['skill_00', 'person_01'])) + self.assertEqual(len(n_set), 2) + + def test_match_link_set_by_type(self): + op = dbc.DBO_match_link_id_set(filter_label='Knows') + id_set = self.db_ctl.exec_op(op) + self.assertEqual(len(id_set), 2) + + op = dbc.DBO_match_link_id_set(filter_label='Nan_Type') + id_set = self.db_ctl.exec_op(op) + self.assertEqual(len(id_set), 0) + + def test_load_link_set(self): + + # load by l_ptr + l_ptr = Link.link_ptr(src_id='person_00', dst_id='skill_00') + op = dbc.DBO_load_link_set.init_from_link_ptr(l_ptr) + l_set = self.db_ctl.exec_op(op) + self.assertEqual(len(l_set), 1) + + l_ptr = Link.link_ptr(src_id='person_00') + op = dbc.DBO_load_link_set.init_from_link_ptr(l_ptr) + l_set = self.db_ctl.exec_op(op) + self.assertEqual(len(l_set), 2) + + l_ptr = Link.link_ptr(dst_id='skill_00') + op = dbc.DBO_load_link_set.init_from_link_ptr(l_ptr) + l_set = self.db_ctl.exec_op(op) + self.assertEqual(len(l_set), 1) + + # load by l_ptr sets + l_ptr_set = [Link.link_ptr(s, d) for (s, d) in [('person_00', 'skill_00'), ('person_00', 'skill_01')]] + op = dbc.DBO_load_link_set.init_from_link_ptr_set(l_ptr_set) + l_set = self.db_ctl.exec_op(op) + self.assertEqual(len(l_set), 2) + + # this should return the same link twice + l_ptr_set = [Link.link_ptr(s, d) for (s, d) in [('person_00', 'skill_00'), ('person_00', 'skill_01')]] + l_ptr_set.append(Link.link_ptr(dst_id='skill_00')) + op = dbc.DBO_load_link_set.init_from_link_ptr_set(l_ptr_set) + l_set = self.db_ctl.exec_op(op) + self.assertEqual(len(l_set), 3) + + def test_load_node_set_by_DB_id(self): + """ + test node DB id life cycle + """ + + # create nodes, get DB ids + op = dbc.DBO_add_node_set({'T_test_load_node_set_by_DB_id': [{'name': 'John Doe'}, + {'name': 'John Doe'}]}) + id_set = self.db_ctl.exec_op(op) + + # match against DB ids + op = dbc.DBO_load_node_set_by_DB_id(id_set) + n_set = self.db_ctl.exec_op(op) + self.assertEqual(len(n_set), len(id_set), 'incorrect result size') + + def test_partial_query_set_execution_success(self): + """ + test: + - statement execution stops at first invalid statement + - assert create statement with result data does not actually persist in DB + + From the REST API doc: 'If any errors occur while executing statements, + the server will roll back the transaction.' + """ + n_id = 'test_partial_query_set_execution_success' + + op = dbc.DB_op() + op.add_statement("create (n:Person {id: '%s'}) return n" % (n_id), {}) # valid statement + op.add_statement("match (n) return n", {}) # valid statement + op.add_statement("non-valid statement #1", {}) + op.add_statement("non-valid statement #2", {}) + + self.assertRaises(Neo4JException, self.db_ctl.exec_op, op) + + self.assertEqual(len(op.result_set), 2) + self.assertEqual(len(op.error_set), 1) + + # assert node creation did not persist + n_set = self.db_ctl.exec_op(dbc.DBO_match_node_set_by_id_attribute([n_id])) + self.assertEqual(len(n_set), 0) + + def test_topo_diff_commit(self): + n_0_id = rand_id() + n_1_id = rand_id() + n_2_id = rand_id() + n_T = 'T_test_topo_diff_commit' + + n_set = [{'__type': n_T, 'id': n_0_id }, + {'__type': n_T, 'id': n_1_id }, + {'__type': n_T, 'id': n_2_id }] + l_set = [{'__type': n_T, '__src_id': n_0_id, '__dst_id': n_1_id}, + {'__type': n_T, '__src_id': n_1_id, '__dst_id': n_0_id}] + + topo_diff = Topo_Diff(node_set_add=n_set, + link_set_add=l_set) + + op = dbc.DBO_topo_diff_commit(topo_diff) + op_ret = self.db_ctl.exec_op(op) + self.assertEqual(len(op_ret), 2) # to id-sets, nodes & links + self.assertEqual(len(op_ret[0]), 3) # expect id-set of length 3 + self.assertEqual(len(op_ret[1]), 2) # expect id-set of length 2 + + id_set = self.db_ctl.exec_op(dbc.DBO_match_node_set_by_id_attribute([n_0_id, n_1_id])) + self.assertEqual(len(id_set), 2) + + l_ptr = Link.link_ptr(src_id=n_0_id, dst_id=n_1_id) + id_set = self.db_ctl.exec_op(dbc.DBO_load_link_set.init_from_link_ptr(l_ptr)) + self.assertEqual(len(id_set), 1) + + l_ptr = Link.link_ptr(src_id=n_1_id, dst_id=n_0_id) + id_set = self.db_ctl.exec_op(dbc.DBO_load_link_set.init_from_link_ptr(l_ptr)) + self.assertEqual(len(id_set), 1) + + id_set_rm = [n_2_id] + topo_diff = Topo_Diff(node_set_rm=id_set_rm) + op = dbc.DBO_topo_diff_commit(topo_diff) + self.db_ctl.exec_op(op) + op = dbc.DBO_match_node_set_by_id_attribute(id_set_rm) + id_set = self.db_ctl.exec_op(op) + self.assertEqual(len(id_set), 0) + + def test_attr_diff_commit(self): + # create test node + n_id = rand_id() + topo_diff = Topo_Diff(node_set_add=[{'__type': 'T_test_attr_diff_commit', 'id': n_id, 'attr_rm': 0}]) + op = dbc.DBO_topo_diff_commit(topo_diff) + self.db_ctl.exec_op(op) + + # apply attr_diff + attr_diff = Attr_Diff() + attr_diff.add_node_attr_write(n_id, 'attr_0', 0) + attr_diff.add_node_attr_write(n_id, 'attr_1', 'a') + attr_diff.add_node_attr_rm(n_id, 'attr_rm') + + op = dbc.DBO_attr_diff_commit(attr_diff) + n_map = self.db_ctl.exec_op(op) + self.assertEqual(len(n_map), 1) + n = n_map.get(n_id) + self.assertTrue(None != n) + self.assertTrue(None == n.get('attr_rm')) + self.assertEqual(0, n.get('attr_0')) + self.assertEqual('a', n.get('attr_1')) + + # attr-set only + attr_diff = Attr_Diff() + attr_diff.add_node_attr_write(n_id, 'attr_2', 0) + + op = dbc.DBO_attr_diff_commit(attr_diff) + n_map = self.db_ctl.exec_op(op) + + # attr-remove only + attr_diff = Attr_Diff() + attr_diff.add_node_attr_rm(n_id, 'attr_2') + + op = dbc.DBO_attr_diff_commit(attr_diff) + n_map = self.db_ctl.exec_op(op) + + def test_rm_node_set(self): + n_0_id = rand_id() + n_1_id = rand_id() + n_2_id = rand_id() + n_3_id = rand_id() + n_T = 'T_test_rm_node_set' + + n_set = [{'__type': n_T, 'id': n_0_id }, + {'__type': n_T, 'id': n_1_id }, + {'__type': n_T, 'id': n_2_id }, + {'__type': n_T, 'id': n_3_id }] + l_set = [{'__type': n_T, '__src_id': n_2_id, '__dst_id': n_2_id}, + {'__type': n_T, '__src_id': n_2_id, '__dst_id': n_3_id}] + + topo_diff = Topo_Diff(node_set_add=n_set, + link_set_add=l_set) + + op = dbc.DBO_topo_diff_commit(topo_diff) + self.db_ctl.exec_op(op) + + op = dbc.DBO_rm_node_set([n_0_id, n_1_id]) + self.db_ctl.exec_op(op) + + op = dbc.DBO_rm_node_set([n_2_id, n_3_id], rm_links=True) + self.db_ctl.exec_op(op) + + # assert all deleted + op = dbc.DBO_match_node_id_set(filter_label=n_T) + id_set = self.db_ctl.exec_op(op) + self.assertEqual(len(id_set), 0) + + def test_rz_clone(self): + l_n, l_r = gen_rand_data(self.db_ctl, lim_n=8, lim_r=16, prob_link_create=0.7) + op = dbc.DBO_rz_clone(filter_label=l_n, limit=32) + ret = self.db_ctl.exec_op(op) + n_set = ret['node_set'] + l_set = ret['link_set'] + + # TODO improve assertions + self.assertTrue(0 < len(n_set)) + self.assertTrue(0 < len(l_set)) + + def tearDown(self): pass + +if __name__ == "__main__": + unittest.main() |