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Diffstat (limited to 'azure/aria/aria-extension-cloudify/src/aria/tests/orchestrator/workflows/core/test_events.py')
-rw-r--r-- | azure/aria/aria-extension-cloudify/src/aria/tests/orchestrator/workflows/core/test_events.py | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/azure/aria/aria-extension-cloudify/src/aria/tests/orchestrator/workflows/core/test_events.py b/azure/aria/aria-extension-cloudify/src/aria/tests/orchestrator/workflows/core/test_events.py new file mode 100644 index 0000000..d804de5 --- /dev/null +++ b/azure/aria/aria-extension-cloudify/src/aria/tests/orchestrator/workflows/core/test_events.py @@ -0,0 +1,171 @@ +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. +# The ASF licenses this file to You 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 pytest + +from aria.orchestrator.decorators import operation, workflow +from aria.orchestrator.workflows.core import engine, graph_compiler +from aria.orchestrator.workflows.executor.thread import ThreadExecutor +from aria.orchestrator.workflows import api +from aria.modeling.service_instance import NodeBase + +from tests import mock, storage + +global_test_dict = {} # used to capture transitional node state changes + + +@pytest.fixture +def ctx(tmpdir): + context = mock.context.simple(str(tmpdir)) + yield context + storage.release_sqlite_storage(context.model) + +# TODO another possible approach of writing these tests: +# Don't create a ctx for every test. +# Problem is, that if for every test we create a workflow that contains just one standard +# lifecycle operation, then by the time we try to run the second test, the workflow failes since +# the execution tries to go from 'terminated' to 'pending'. +# And if we write a workflow that contains all the lifecycle operations, then first we need to +# change the api of `mock.models.create_interface`, which a lot of other tests use, and second how +# do we check all the state transition during the workflow execution in a convenient way. + +TYPE_URI_NAME = 'tosca.interfaces.node.lifecycle.Standard' +SHORTHAND_NAME = 'Standard' + + +def test_node_state_changes_as_a_result_of_standard_lifecycle_create(ctx, executor): + node = run_operation_on_node( + ctx, interface_name=TYPE_URI_NAME, op_name='create', executor=executor) + _assert_node_state_changed_as_a_result_of_standard_lifecycle_operation(node, 'create') + + +def test_node_state_changes_as_a_result_of_standard_lifecycle_configure(ctx, executor): + node = run_operation_on_node( + ctx, interface_name=TYPE_URI_NAME, op_name='configure', executor=executor) + _assert_node_state_changed_as_a_result_of_standard_lifecycle_operation(node, 'configure') + + +def test_node_state_changes_as_a_result_of_standard_lifecycle_start(ctx, executor): + node = run_operation_on_node( + ctx, interface_name=TYPE_URI_NAME, op_name='start', executor=executor) + _assert_node_state_changed_as_a_result_of_standard_lifecycle_operation(node, 'start') + + +def test_node_state_changes_as_a_result_of_standard_lifecycle_stop(ctx, executor): + node = run_operation_on_node( + ctx, interface_name=TYPE_URI_NAME, op_name='stop', executor=executor) + _assert_node_state_changed_as_a_result_of_standard_lifecycle_operation(node, 'stop') + + +def test_node_state_changes_as_a_result_of_standard_lifecycle_delete(ctx, executor): + node = run_operation_on_node( + ctx, interface_name=TYPE_URI_NAME, op_name='delete', executor=executor) + _assert_node_state_changed_as_a_result_of_standard_lifecycle_operation(node, 'delete') + + +def test_node_state_changes_as_a_result_of_standard_lifecycle_create_shorthand_name(ctx, executor): + node = run_operation_on_node( + ctx, interface_name=SHORTHAND_NAME, op_name='create', executor=executor) + _assert_node_state_changed_as_a_result_of_standard_lifecycle_operation(node, 'create') + + +def test_node_state_changes_as_a_result_of_standard_lifecycle_configure_shorthand_name( + ctx, executor): + node = run_operation_on_node( + ctx, interface_name=SHORTHAND_NAME, op_name='configure', executor=executor) + _assert_node_state_changed_as_a_result_of_standard_lifecycle_operation(node, 'configure') + + +def test_node_state_changes_as_a_result_of_standard_lifecycle_start_shorthand_name(ctx, executor): + node = run_operation_on_node( + ctx, interface_name=SHORTHAND_NAME, op_name='start', executor=executor) + _assert_node_state_changed_as_a_result_of_standard_lifecycle_operation(node, 'start') + + +def test_node_state_changes_as_a_result_of_standard_lifecycle_stop_shorthand_name(ctx, executor): + node = run_operation_on_node( + ctx, interface_name=SHORTHAND_NAME, op_name='stop', executor=executor) + _assert_node_state_changed_as_a_result_of_standard_lifecycle_operation(node, 'stop') + + +def test_node_state_changes_as_a_result_of_standard_lifecycle_delete_shorthand_name(ctx, executor): + node = run_operation_on_node( + ctx, interface_name=SHORTHAND_NAME, op_name='delete', executor=executor) + _assert_node_state_changed_as_a_result_of_standard_lifecycle_operation(node, 'delete') + + +def test_node_state_doesnt_change_as_a_result_of_an_operation_that_is_not_standard_lifecycle1( + ctx, executor): + node = run_operation_on_node( + ctx, interface_name='interface_name', op_name='op_name', executor=executor) + assert node.state == node.INITIAL + + +def test_node_state_doesnt_change_as_a_result_of_an_operation_that_is_not_standard_lifecycle2( + ctx, executor): + node = run_operation_on_node( + ctx, interface_name='interface_name', op_name='create', executor=executor) + assert node.state == node.INITIAL + + +def run_operation_on_node(ctx, op_name, interface_name, executor): + node = ctx.model.node.get_by_name(mock.models.DEPENDENCY_NODE_NAME) + interface = mock.models.create_interface( + service=node.service, + interface_name=interface_name, + operation_name=op_name, + operation_kwargs=dict(function='{name}.{func.__name__}'.format(name=__name__, func=func))) + node.interfaces[interface.name] = interface + graph_compiler.GraphCompiler(ctx, ThreadExecutor).compile( + single_operation_workflow(ctx, node=node, interface_name=interface_name, op_name=op_name) + ) + + eng = engine.Engine(executors={executor.__class__: executor}) + eng.execute(ctx) + return node + + +def run_standard_lifecycle_operation_on_node(ctx, op_name, executor): + return run_operation_on_node(ctx, + interface_name='aria.interfaces.lifecycle.Standard', + op_name=op_name, + executor=executor) + + +def _assert_node_state_changed_as_a_result_of_standard_lifecycle_operation(node, op_name): + assert global_test_dict['transitional_state'] == NodeBase._OP_TO_STATE[op_name]['transitional'] + assert node.state == NodeBase._OP_TO_STATE[op_name]['finished'] + + +@workflow +def single_operation_workflow(graph, node, interface_name, op_name, **_): + graph.add_tasks(api.task.OperationTask( + node, + interface_name=interface_name, + operation_name=op_name)) + + +@operation +def func(ctx): + global_test_dict['transitional_state'] = ctx.node.state + + +@pytest.fixture +def executor(): + result = ThreadExecutor() + try: + yield result + finally: + result.close() |