112 lines
4.2 KiB
Python
112 lines
4.2 KiB
Python
# Copyright 2014 - Mirantis, Inc.
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# Copyright 2015 - StackStorm, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from mistral.db.v2 import api as db_api
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from mistral.engine import engine_server
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from mistral import exceptions as exc
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from mistral.services import workflows as wf_service
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from mistral.tests.unit.engine import base as engine_test_base
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class DisabledYAQLConversionTest(engine_test_base.EngineTestCase):
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def setUp(self):
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super(DisabledYAQLConversionTest, self).setUp()
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self.override_config('auth_enable', False, 'pecan')
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def test_disabled_yaql_output_conversion(self):
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"""Test YAQL expressions with disabled data conversion.
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The test is needed to make sure that if we disable YAQL data
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conversion (for both input and output), then Mistral will handle
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YAQL internal data types properly if they sneak into the Mistral
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logic as part of an expression result. Particularly, we need to
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make sure that the ORM framework (SQLAlchemy) will also be able
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to save data properly if it comes across such a type.
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NOTE:
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- set() and toSet() functions produce "frozenset" type
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internally within YAQL and it should be handled properly
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everywhere in the code including SQLAlchemy.
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- dict() produces "FrozenDict" internally but we unwrap the
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top most dict after evaluating an expression on the Mistral
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side.
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"""
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# Both input and output data conversion in YAQL need to be disabled
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# so that we're sure that there won't be any surprises from YAQL
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# like some YAQL internal types included in expression results.
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self.override_config('convert_input_data', False, 'yaql')
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self.override_config('convert_output_data', False, 'yaql')
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wf_text = """---
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version: '2.0'
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wf:
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tasks:
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task1:
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publish:
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var1: <% range(0,10) %>
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var2: <% set(15) %>
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var3: <% [4, 5, 6].toSet() %>
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var4: <% {k1 => v1, k2 => v2} %>
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var5: <% dict([['a', 2], ['b', 4]]) %>
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var6: <% [1, dict(k3 => v3, k4 => v4), 3] %>
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"""
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wf_service.create_workflows(wf_text)
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# Start workflow.
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wf_ex = self.engine.start_workflow('wf')
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self.await_workflow_success(wf_ex.id)
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with db_api.transaction():
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# Note: We need to reread execution to access related tasks.
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wf_ex = db_api.get_workflow_execution(wf_ex.id)
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tasks = wf_ex.task_executions
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t_ex = self._assert_single_item(tasks, name='task1')
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self.assertDictEqual(
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{
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'var1': [0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
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'var2': [15],
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'var3': [4, 5, 6],
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'var4': {'k1': 'v1', 'k2': 'v2'},
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'var5': {'a': 2, 'b': 4},
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'var6': [1, {'k3': 'v3', 'k4': 'v4'}, 3],
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},
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t_ex.published
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)
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def test_configuration_check(self):
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# Kill all the threads started by default and try to start an
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# instance of engine server again with the wrong configuration.
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self.kill_threads()
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self.override_config('convert_input_data', True, 'yaql')
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self.override_config('convert_output_data', False, 'yaql')
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eng_svc = engine_server.get_oslo_service(setup_profiler=False)
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self.assertRaisesWithMessage(
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exc.MistralError,
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"The config property 'yaql.convert_output_data' is set to False "
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"so 'yaql.convert_input_data' must also be set to False.",
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eng_svc.start
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)
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