mistral/mistral/tests/unit/test_command_dispatcher.py

73 lines
2.5 KiB
Python

# Copyright 2013 - Mirantis, Inc.
# Copyright 2015 - StackStorm, Inc.
#
# 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.
from mistral.engine import dispatcher
from mistral.tests.unit import base
from mistral.workflow import commands
def _print_commands(cmds):
print("commands:")
for cmd in cmds:
if isinstance(cmd, commands.RunTask):
print("%s, %s, %s" % (type(cmd), cmd.is_waiting(), cmd.unique_key))
else:
print("%s" % type(cmd))
class CommandDispatcherTest(base.BaseTest):
def test_rearrange_commands(self):
no_wait = commands.RunTask(None, None, None, None)
fail = commands.FailWorkflow(None, None, None, None)
succeed = commands.SucceedWorkflow(None, None, None, None)
wait1 = commands.RunTask(None, None, None, None)
wait1.wait = True
wait1.unique_key = 'wait1'
wait2 = commands.RunTask(None, None, None, None)
wait2.wait = True
wait2.unique_key = 'wait2'
wait3 = commands.RunTask(None, None, None, None)
wait3.wait = True
wait3.unique_key = 'wait3'
# 'set state' command is the first, others must be ignored.
initial = [fail, no_wait, wait1, wait3, wait2]
expected = [fail]
cmds = dispatcher._rearrange_commands(initial)
self.assertEqual(expected, cmds)
# 'set state' command is the last, tasks before it must be sorted.
initial = [no_wait, wait2, wait1, wait3, succeed]
expected = [no_wait, wait1, wait2, wait3, succeed]
cmds = dispatcher._rearrange_commands(initial)
self.assertEqual(expected, cmds)
# 'set state' command is in the middle, tasks before it must be sorted
# and the task after it must be ignored.
initial = [wait3, wait2, no_wait, succeed, wait1]
expected = [no_wait, wait2, wait3, succeed]
cmds = dispatcher._rearrange_commands(initial)
self.assertEqual(expected, cmds)