drydock/python/tests/integration/postgres/test_postgres_leadership.py
Scott Hussey 0f39a55942 Refactor build to include Go
Adding the baclient code to Drydock requires a refactor
of the build automation to support multiple languages
and multiple artifacts included in a single Docker image

NOTE: the go source here is a placeholder 'hello world' sample

Change-Id: I1b4883f018b33b3d4fcd7cbcb6cba660fcdc93de
2018-09-04 13:13:21 -05:00

49 lines
1.6 KiB
Python

# Copyright 2017 AT&T Intellectual Property. All other rights reserved.
#
# 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.
"""Test orchestrator leadership organization via Postgres."""
import uuid
import time
class TestPostgres(object):
def test_claim_leadership(self, blank_state):
"""Test that a node can claim leadership.
First test claiming leadership with an empty table, simulating startup
Second test that an immediate follow-up claim is denied
Third test that a usurping claim after the grace period succeeds
"""
ds = blank_state
first_leader = uuid.uuid4()
second_leader = uuid.uuid4()
print("Claiming leadership for %s" % str(first_leader.bytes))
crown = ds.claim_leadership(first_leader)
assert crown
print("Claiming leadership for %s" % str(second_leader.bytes))
crown = ds.claim_leadership(second_leader)
assert crown is False
time.sleep(20)
print(
"Claiming leadership for %s after 20s" % str(second_leader.bytes))
crown = ds.claim_leadership(second_leader)
assert crown