def test__add_id_to_run():
"""
static method _add_id_to_run
"""
assert WorkflowHelper._add_id_to_run(
{'dag_id': 'aardvark', 'execution_date': '1924-04-12T05:34:01.222220'}
)['workflow_id'] == 'aardvark__1924-04-12T05:34:01.222220'
assert WorkflowHelper._add_id_to_run(
{}
)['workflow_id'] == 'None__None'
def test_validate_workflow_id():
"""
static method validate_workflow_id
"""
assert WorkflowHelper.validate_workflow_id(
'aar__dvark__1924-04-12T05:34:01.222220'
)
assert not WorkflowHelper.validate_workflow_id(
'aardvark_1924-04-12T05:34:01.222220'
)
assert not WorkflowHelper.validate_workflow_id(
None
)
def test_get_workflow_subords():
"""
Tests the get_workflow method
"""
helper = WorkflowHelper('')
helper._get_dag_run_like_id_db = (
lambda dag_id, execution_date: [DAG_RUN_SUB, DAG_RUN_1]
)
helper._get_tasks_by_id_db = lambda dag_id, execution_date: TASK_LIST
dag_detail = helper.get_workflow(
workflow_id='dag_id__1957-03-14T12:12:12.000000'
)
assert dag_detail['dag_id'] == 'did2'
assert len(dag_detail['sub_dags']) == 1
assert dag_detail['sub_dags'][0]['dag_id'] == 'did2.didnt'
assert len(dag_detail['steps']) == 3
def get_workflow_detail(self, helper, workflow_id):
"""
Retrieve a workflow by id,
:param helper: The WorkflowHelper constructed for this invocation
:param workflow_id: a string in {dag_id}__{execution_date} format
identifying a workflow
:returns: a workflow detail dictionary including steps
"""
if not WorkflowHelper.validate_workflow_id(workflow_id):
raise ApiError(
title='Invalid Workflow ID specified',
description=(
'Workflow id must use {dag id}__{execution date} format',
),
status=falcon.HTTP_400,
retry=False,
)
workflow = helper.get_workflow(workflow_id=workflow_id)
if workflow is None:
raise ApiError(
title='Workflow not found',
description=('A Workflow with id {} was not found'.format(
workflow_id), ),
status=falcon.HTTP_404,
retry=False,
)
return workflow
def test_get_all_workflows(self):
"""
test that get_all_workflows invokes the helper properly
"""
wr = WorkflowResource()
with patch.object(WorkflowHelper, 'get_workflow_list') as mock_method:
helper = WorkflowHelper('')
wr.get_all_workflows(helper, None)
mock_method.assert_called_once_with(since_iso8601=None)
def on_get(self, req, resp, workflow_id):
"""
Retrieve the step details of workflows invoked in Airflow.
:returns: a json object of a workflow entity
"""
helper = WorkflowHelper(req.context.external_marker)
resp.body = self.to_json(
self.get_workflow_detail(helper=helper, workflow_id=workflow_id))
resp.status = falcon.HTTP_200
def test__split_workflow_id_to_dag_run():
"""
static method _split_workflow_id_to_dag_run
"""
assert WorkflowHelper._split_workflow_id_to_dag_run(
'aardvark__1924-04-12T05:34:01.222220'
)['dag_id'] == 'aardvark'
assert WorkflowHelper._split_workflow_id_to_dag_run(
'aar__dvark__1924-04-12T05:34:01.222220'
)['dag_id'] == 'aar__dvark'
assert WorkflowHelper._split_workflow_id_to_dag_run(
'aardvark__1924-04-12T05:34:01.222220'
)['execution_date'] == '1924-04-12T05:34:01.222220'
assert WorkflowHelper._split_workflow_id_to_dag_run(
'aar__dvark__1924-04-12T05:34:01.222220'
)['execution_date'] == '1924-04-12T05:34:01.222220'
def on_get(self, req, resp):
"""
Return actions that have been invoked through shipyard.
:returns: a json array of workflow entities
"""
since_date = req.params.get('since')
helper = WorkflowHelper(req.context.external_marker)
resp.body = self.to_json(
self.get_all_workflows(helper=helper, since_date=since_date))
resp.status = falcon.HTTP_200
def test__get_threshold_date():
"""
static method _get_threshold_date
"""
assert (
arrow.utcnow().shift(days=-30).naive <=
WorkflowHelper._get_threshold_date('turnip') <=
arrow.utcnow().shift(days=-30).naive
)
assert (
arrow.utcnow().shift(days=-30).naive <=
WorkflowHelper._get_threshold_date(None) <=
arrow.utcnow().shift(days=-30).naive
)
assert (
WorkflowHelper._get_threshold_date('2017-10-09T10:00:00.000000') ==
arrow.get('2017-10-09T10:00:00.00000').naive
)
def test_get_workflow_list():
"""
Tests the get_workflow_list method
"""
helper = WorkflowHelper('')
helper._get_all_dag_runs_db = lambda: [DAG_RUN_1, DAG_RUN_1, DAG_RUN_1]
# Time includes items
dag_list = helper.get_workflow_list(
since_iso8601='2017-09-13T11:12:00.000000'
)
assert DAG_RUN_1 in dag_list
assert len(dag_list) == 3
# Time excludes items
dag_list = helper.get_workflow_list(
since_iso8601='2017-10-01T11:12:00.000000'
)
assert DAG_RUN_1 not in dag_list
assert len(dag_list) == 0
def test_get_workflow_detail_success(self):
"""
test that get_workflow_detail properly invokes the helper
"""
wir = WorkflowIdResource()
with patch.object(WorkflowHelper, 'get_workflow') as mock_method:
helper = WorkflowHelper('')
wir.get_workflow_detail(helper,
'deploy_site__1972-04-03T10:00:00.20123')
mock_method.assert_called_once_with(
workflow_id='deploy_site__1972-04-03T10:00:00.20123')
def test_get_workflow_detail_not_found(self):
"""
Assert ApiError 'Workflow not found' is raised when get_workflow
returns None.
"""
wir = WorkflowIdResource()
with patch.object(WorkflowHelper, 'get_workflow') as mock_method:
helper = WorkflowHelper('')
mock_method.return_value = None
with pytest.raises(ApiError) as expected_exc:
wir.get_workflow_detail(helper, 'dag_id__execution_date')
assert "Workflow not found" in str(expected_exc)
def test_get_workflow():
"""
Tests the get_workflow method
"""
helper = WorkflowHelper('')
helper._get_dag_run_like_id_db = lambda dag_id, execution_date: [DAG_RUN_1]
helper._get_tasks_by_id_db = lambda dag_id, execution_date: TASK_LIST
dag_detail = helper.get_workflow(
workflow_id='dag_id__1957-03-14T12:12:12.000000'
)
assert dag_detail['dag_id'] == 'did2'
assert len(dag_detail['steps']) == 3
dag_detail = helper.get_workflow(
workflow_id='NOTHING'
)
assert dag_detail == {}
def test_get_workflow_detail_invalid_format(self):
"""
Assert ApiError 'Invalid Workflow ID specified' is raised when
workflow ID is not a valid format, otherwise the error is not raised.
"""
wir = WorkflowIdResource()
with patch.object(WorkflowHelper, 'get_workflow') as mock_method:
helper = WorkflowHelper('')
with pytest.raises(ApiError) as expected_exc:
wir.get_workflow_detail(helper, None)
assert "Invalid Workflow ID specified" in str(expected_exc)
with pytest.raises(ApiError) as expected_exc:
wir.get_workflow_detail(helper, 'this is a bad id')
assert "Invalid Workflow ID specified" in str(expected_exc)
with pytest.raises(ApiError) as expected_exc:
wir.get_workflow_detail(helper, 'dag_idTexecution_date')
assert "Invalid Workflow ID specified" in str(expected_exc)
with pytest.raises(ApiError) as expected_exc:
wir.get_workflow_detail(helper, 'dag_id_execution_date')
assert "Invalid Workflow ID specified" in str(expected_exc)
wir.get_workflow_detail(helper, 'dag_id__execution_date')
mock_method.assert_called_once_with(
workflow_id='dag_id__execution_date')
