tests/orchestrator/workflows/executor/test_process_executor_extension.py

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import pytest

from aria import extension
from aria.orchestrator.workflows import api
from aria.orchestrator.workflows.core import engine
from aria.orchestrator.workflows.executor import process
from aria.orchestrator import workflow, operation

import tests
from tests import mock
from tests import storage


def test_decorate_extension(context, executor):
    arguments = {'arg1': 1, 'arg2': 2}

    def get_node(ctx):
        return ctx.model.node.get_by_name(mock.models.DEPENDENCY_NODE_NAME)

    @workflow
    def mock_workflow(ctx, graph):
        node = get_node(ctx)
        interface_name = 'test_interface'
        operation_name = 'operation'
        interface = mock.models.create_interface(
            ctx.service,
            interface_name,
            operation_name,
            operation_kwargs=dict(function='{0}.{1}'.format(__name__, _mock_operation.__name__),
                                  arguments=arguments)
        )
        node.interfaces[interface.name] = interface
        task = api.task.OperationTask(
            node,
            interface_name=interface_name,
            operation_name=operation_name,
            arguments=arguments)
        graph.add_tasks(task)
        return graph
    graph = mock_workflow(ctx=context)  # pylint: disable=no-value-for-parameter
    eng = engine.Engine(executor=executor, workflow_context=context, tasks_graph=graph)
    eng.execute()
    out = get_node(context).attributes.get('out').value
    assert out['wrapper_arguments'] == arguments
    assert out['function_arguments'] == arguments


@extension.process_executor
class MockProcessExecutorExtension(object):

    def decorate(self):
        def decorator(function):
            def wrapper(ctx, **operation_arguments):
                ctx.node.attributes['out'] = {'wrapper_arguments': operation_arguments}
                function(ctx=ctx, **operation_arguments)
            return wrapper
        return decorator


@operation
def _mock_operation(ctx, **operation_arguments):
    ctx.node.attributes['out']['function_arguments'] = operation_arguments


@pytest.fixture
def executor():
    result = process.ProcessExecutor(python_path=[tests.ROOT_DIR])
    yield result
    result.close()


@pytest.fixture
def context(tmpdir):
    result = mock.context.simple(str(tmpdir))
    yield result
    storage.release_sqlite_storage(result.model)