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# Copyright 2017-present Open Networking Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import unittest
from xosgenx.jinja2_extensions import FieldNotFound
from helpers import FakeArgs, OUTPUT_DIR, XProtoTestHelpers
from xosgenx.generator import XOSProcessor
class XProtoFieldGraphTest(unittest.TestCase):
def _test_field_graph(self):
xproto = \
"""
message VRouterDevice (PlCoreBase){
optional string name = 1 [help_text = "device friendly name", max_length = 20, null = True, db_index = False, blank = True, unique_with="openflow_id"];
required string openflow_id = 2 [help_text = "device identifier in ONOS", max_length = 20, null = False, db_index = False, blank = False, unique_with="name"];
required string config_key = 3 [default = "basic", max_length = 32, blank = False, help_text = "configuration key", null = False, db_index = False, unique_with="driver"];
required string driver = 4 [help_text = "driver type", max_length = 32, null = False, db_index = False, blank = False, unique_with="vrouter_service"];
required manytoone vrouter_service->VRouterService:devices = 5 [db_index = True, null = False, blank = False];
required string A = 6 [unique_with="B"];
required string B = 7 [unique_with="C"];
required string C = 8 [unique_with="A"];
required string D = 9;
required string E = 10 [unique_with="F,G"];
required string F = 11;
required string G = 12;
}
"""
target = XProtoTestHelpers.write_tmp_target(
"""
{{ xproto_field_graph_components(proto.messages.0.fields, proto.messages.0) }}
""")
args = FakeArgs()
args.inputs = xproto
args.target = target
output = XOSProcessor.process(args)
output = eval(output)
self.assertIn({'A','B','C'}, output)
self.assertIn({'openflow_id','name'}, output)
self.assertIn({'config_key','vrouter_service','driver'}, output)
self.assertIn({'E','F','G'}, output)
union = reduce(lambda acc,x: acc | x, output)
self.assertNotIn('D', union)
def test_missing_field(self):
xproto = \
"""
message Foo (PlCoreBase){
required string A = 6 [unique_with="B"];
}
"""
target = XProtoTestHelpers.write_tmp_target(
"""
{{ xproto_field_graph_components(proto.messages.0.fields, proto.messages.0) }}
""")
def generate():
args = FakeArgs()
args.inputs = xproto
args.target = target
output = XOSProcessor.process(args)
with self.assertRaises(FieldNotFound) as e:
generate()
self.assertEqual(e.exception.message, 'Field "B" not found in model "Foo", referenced from field "A" by option "unique_with"')
if __name__ == '__main__':
unittest.main()