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
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+++ 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()