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test_views_tasks.py
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test_views_tasks.py
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#
# 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.
from __future__ import annotations
import html
import json
import re
import unittest.mock
import urllib.parse
from datetime import timedelta
import freezegun
import pytest
from airflow import settings
from airflow.exceptions import AirflowException
from airflow.executors.celery_executor import CeleryExecutor
from airflow.models import DAG, DagBag, DagModel, TaskFail, TaskInstance, TaskReschedule
from airflow.models.dagcode import DagCode
from airflow.operators.bash import BashOperator
from airflow.security import permissions
from airflow.ti_deps.dependencies_states import QUEUEABLE_STATES, RUNNABLE_STATES
from airflow.utils import timezone
from airflow.utils.log.logging_mixin import ExternalLoggingMixin
from airflow.utils.session import create_session
from airflow.utils.state import State
from airflow.utils.types import DagRunType
from airflow.www.views import TaskInstanceModelView
from tests.test_utils.api_connexion_utils import create_user, delete_roles, delete_user
from tests.test_utils.config import conf_vars
from tests.test_utils.db import clear_db_runs
from tests.test_utils.www import check_content_in_response, check_content_not_in_response, client_with_login
DEFAULT_DATE = timezone.utcnow().replace(hour=0, minute=0, second=0, microsecond=0)
DEFAULT_VAL = urllib.parse.quote_plus(str(DEFAULT_DATE))
DEFAULT_DAGRUN = 'TEST_DAGRUN'
@pytest.fixture(scope="module", autouse=True)
def reset_dagruns():
"""Clean up stray garbage from other tests."""
clear_db_runs()
@pytest.fixture(autouse=True)
def init_dagruns(app, reset_dagruns):
with freezegun.freeze_time(DEFAULT_DATE):
app.dag_bag.get_dag("example_bash_operator").create_dagrun(
run_id=DEFAULT_DAGRUN,
run_type=DagRunType.SCHEDULED,
execution_date=DEFAULT_DATE,
data_interval=(DEFAULT_DATE, DEFAULT_DATE),
start_date=timezone.utcnow(),
state=State.RUNNING,
)
app.dag_bag.get_dag("example_subdag_operator").create_dagrun(
run_id=DEFAULT_DAGRUN,
run_type=DagRunType.SCHEDULED,
execution_date=DEFAULT_DATE,
data_interval=(DEFAULT_DATE, DEFAULT_DATE),
start_date=timezone.utcnow(),
state=State.RUNNING,
)
app.dag_bag.get_dag("example_xcom").create_dagrun(
run_id=DEFAULT_DAGRUN,
run_type=DagRunType.SCHEDULED,
execution_date=DEFAULT_DATE,
data_interval=(DEFAULT_DATE, DEFAULT_DATE),
start_date=timezone.utcnow(),
state=State.RUNNING,
)
yield
clear_db_runs()
@pytest.fixture(scope="module")
def client_ti_without_dag_edit(app):
create_user(
app,
username="all_ti_permissions_except_dag_edit",
role_name="all_ti_permissions_except_dag_edit",
permissions=[
(permissions.ACTION_CAN_READ, permissions.RESOURCE_DAG),
(permissions.ACTION_CAN_CREATE, permissions.RESOURCE_TASK_INSTANCE),
(permissions.ACTION_CAN_READ, permissions.RESOURCE_TASK_INSTANCE),
(permissions.ACTION_CAN_EDIT, permissions.RESOURCE_TASK_INSTANCE),
(permissions.ACTION_CAN_DELETE, permissions.RESOURCE_TASK_INSTANCE),
(permissions.ACTION_CAN_ACCESS_MENU, permissions.RESOURCE_TASK_INSTANCE),
],
)
yield client_with_login(
app,
username="all_ti_permissions_except_dag_edit",
password="all_ti_permissions_except_dag_edit",
)
delete_user(app, username="all_ti_permissions_except_dag_edit") # type: ignore
delete_roles(app)
@pytest.mark.parametrize(
"url, contents",
[
pytest.param(
"/",
[
"/delete?dag_id=example_bash_operator",
"return confirmDeleteDag(this, 'example_bash_operator')",
],
id="delete-dag-button-normal",
),
pytest.param(
f'task?task_id=runme_0&dag_id=example_bash_operator&execution_date={DEFAULT_VAL}',
['Task Instance Details'],
id="task",
),
pytest.param(
f'xcom?task_id=runme_0&dag_id=example_bash_operator&execution_date={DEFAULT_VAL}',
['XCom'],
id="xcom",
),
pytest.param('xcom/list', ['List XComs'], id="xcom-list"),
pytest.param(
f'rendered-templates?task_id=runme_0&dag_id=example_bash_operator&execution_date={DEFAULT_VAL}',
['Rendered Template'],
id="rendered-templates",
),
pytest.param(
'dag_details?dag_id=example_bash_operator',
['DAG Details'],
id="dag-details-url-param",
),
pytest.param(
'dag_details?dag_id=example_subdag_operator.section-1',
['DAG Details'],
id="dag-details-subdag-url-param",
),
pytest.param(
'dags/example_subdag_operator.section-1/details',
['DAG Details'],
id="dag-details-subdag",
),
pytest.param(
'graph?dag_id=example_bash_operator',
['runme_1'],
id='graph-url-param',
),
pytest.param(
'dags/example_bash_operator/graph',
['runme_1'],
id='graph',
),
pytest.param(
'object/grid_data?dag_id=example_bash_operator',
['runme_1'],
id='grid-data',
),
pytest.param(
'object/grid_data?dag_id=example_subdag_operator.section-1',
['section-1-task-1'],
id="grid-data-subdag",
),
pytest.param(
'duration?days=30&dag_id=example_bash_operator',
['example_bash_operator'],
id='duration-url-param',
),
pytest.param(
'dags/example_bash_operator/duration?days=30',
['example_bash_operator'],
id='duration',
),
pytest.param(
'duration?days=30&dag_id=missing_dag',
['seems to be missing'],
id='duration-missing-url-param',
),
pytest.param(
'dags/missing_dag/duration?days=30',
['seems to be missing'],
id='duration-missing',
),
pytest.param(
'tries?days=30&dag_id=example_bash_operator',
['example_bash_operator'],
id='tries-url-param',
),
pytest.param(
'dags/example_bash_operator/tries?days=30',
['example_bash_operator'],
id='tries',
),
pytest.param(
'landing_times?days=30&dag_id=example_bash_operator',
['example_bash_operator'],
id='landing-times-url-param',
),
pytest.param(
'dags/example_bash_operator/landing-times?days=30',
['example_bash_operator'],
id='landing-times',
),
pytest.param(
'gantt?dag_id=example_bash_operator',
['example_bash_operator'],
id="gantt-url-param",
),
pytest.param(
'dags/example_bash_operator/gantt',
['example_bash_operator'],
id="gantt",
),
pytest.param(
"dag-dependencies",
["child_task1", "test_trigger_dagrun"],
id="dag-dependencies",
),
# Test that Graph, Tree, Calendar & Dag Details View uses the DagBag
# already created in views.py
pytest.param(
"graph?dag_id=example_bash_operator",
["example_bash_operator"],
id="existing-dagbag-graph-url-param",
),
pytest.param(
"dags/example_bash_operator/graph",
["example_bash_operator"],
id="existing-dagbag-graph",
),
pytest.param(
"tree?dag_id=example_bash_operator",
["example_bash_operator"],
id="existing-dagbag-tree-url-param",
),
pytest.param(
"dags/example_bash_operator/grid",
["example_bash_operator"],
id="existing-dagbag-grid",
),
pytest.param(
"calendar?dag_id=example_bash_operator",
["example_bash_operator"],
id="existing-dagbag-calendar-url-param",
),
pytest.param(
"dags/example_bash_operator/calendar",
["example_bash_operator"],
id="existing-dagbag-calendar",
),
pytest.param(
"dag_details?dag_id=example_bash_operator",
["example_bash_operator"],
id="existing-dagbag-dag-details-url-param",
),
pytest.param(
"dags/example_bash_operator/details",
["example_bash_operator"],
id="existing-dagbag-dag-details",
),
pytest.param(
f'confirm?task_id=runme_0&dag_id=example_bash_operator&state=success'
f'&dag_run_id={DEFAULT_DAGRUN}',
['Wait a minute'],
id="confirm-success",
),
pytest.param(
f'confirm?task_id=runme_0&dag_id=example_bash_operator&state=failed&dag_run_id={DEFAULT_DAGRUN}',
['Wait a minute'],
id="confirm-failed",
),
pytest.param(
f'confirm?task_id=runme_0&dag_id=invalid_dag&state=failed&dag_run_id={DEFAULT_DAGRUN}',
['DAG invalid_dag not found'],
id="confirm-failed",
),
pytest.param(
f'confirm?task_id=invalid_task&dag_id=example_bash_operator&state=failed'
f'&dag_run_id={DEFAULT_DAGRUN}',
['Task invalid_task not found'],
id="confirm-failed",
),
pytest.param(
f'confirm?task_id=runme_0&dag_id=example_bash_operator&state=invalid'
f'&dag_run_id={DEFAULT_DAGRUN}',
["Invalid state invalid, must be either 'success' or 'failed'"],
id="confirm-invalid",
),
],
)
def test_views_get(admin_client, url, contents):
resp = admin_client.get(url, follow_redirects=True)
for content in contents:
check_content_in_response(content, resp)
def test_rendered_k8s(admin_client):
url = f'rendered-k8s?task_id=runme_0&dag_id=example_bash_operator&execution_date={DEFAULT_VAL}'
with unittest.mock.patch.object(settings, "IS_K8S_OR_K8SCELERY_EXECUTOR", True):
resp = admin_client.get(url, follow_redirects=True)
check_content_in_response('K8s Pod Spec', resp)
@conf_vars({('core', 'executor'): 'LocalExecutor'})
def test_rendered_k8s_without_k8s(admin_client):
url = f'rendered-k8s?task_id=runme_0&dag_id=example_bash_operator&execution_date={DEFAULT_VAL}'
resp = admin_client.get(url, follow_redirects=True)
assert 404 == resp.status_code
def test_tree_trigger_origin_tree_view(app, admin_client):
app.dag_bag.get_dag('test_tree_view').create_dagrun(
run_type=DagRunType.SCHEDULED,
execution_date=DEFAULT_DATE,
data_interval=(DEFAULT_DATE, DEFAULT_DATE),
start_date=timezone.utcnow(),
state=State.RUNNING,
)
url = 'tree?dag_id=test_tree_view'
resp = admin_client.get(url, follow_redirects=True)
params = {'dag_id': 'test_tree_view', 'origin': '/dags/test_tree_view/grid'}
href = f"/trigger?{html.escape(urllib.parse.urlencode(params))}"
check_content_in_response(href, resp)
def test_graph_trigger_origin_graph_view(app, admin_client):
app.dag_bag.get_dag('test_tree_view').create_dagrun(
run_type=DagRunType.SCHEDULED,
execution_date=DEFAULT_DATE,
data_interval=(DEFAULT_DATE, DEFAULT_DATE),
start_date=timezone.utcnow(),
state=State.RUNNING,
)
url = '/dags/test_tree_view/graph'
resp = admin_client.get(url, follow_redirects=True)
params = {'dag_id': 'test_tree_view', 'origin': '/dags/test_tree_view/graph'}
href = f"/trigger?{html.escape(urllib.parse.urlencode(params))}"
check_content_in_response(href, resp)
def test_dag_details_trigger_origin_dag_details_view(app, admin_client):
app.dag_bag.get_dag('test_graph_view').create_dagrun(
run_type=DagRunType.SCHEDULED,
execution_date=DEFAULT_DATE,
data_interval=(DEFAULT_DATE, DEFAULT_DATE),
start_date=timezone.utcnow(),
state=State.RUNNING,
)
url = '/dags/test_graph_view/details'
resp = admin_client.get(url, follow_redirects=True)
params = {'dag_id': 'test_graph_view', 'origin': '/dags/test_graph_view/details'}
href = f"/trigger?{html.escape(urllib.parse.urlencode(params))}"
check_content_in_response(href, resp)
def test_last_dagruns(admin_client):
resp = admin_client.post('last_dagruns', follow_redirects=True)
check_content_in_response('example_bash_operator', resp)
def test_last_dagruns_success_when_selecting_dags(admin_client):
resp = admin_client.post(
'last_dagruns', data={'dag_ids': ['example_subdag_operator']}, follow_redirects=True
)
assert resp.status_code == 200
stats = json.loads(resp.data.decode('utf-8'))
assert 'example_bash_operator' not in stats
assert 'example_subdag_operator' in stats
# Multiple
resp = admin_client.post(
'last_dagruns',
data={'dag_ids': ['example_subdag_operator', 'example_bash_operator']},
follow_redirects=True,
)
stats = json.loads(resp.data.decode('utf-8'))
assert 'example_bash_operator' in stats
assert 'example_subdag_operator' in stats
check_content_not_in_response('example_xcom', resp)
def test_code(admin_client):
url = 'code?dag_id=example_bash_operator'
resp = admin_client.get(url, follow_redirects=True)
check_content_not_in_response('Failed to load DAG file Code', resp)
check_content_in_response('example_bash_operator', resp)
def test_code_from_db(admin_client):
dag = DagBag(include_examples=True).get_dag("example_bash_operator")
DagCode(dag.fileloc, DagCode._get_code_from_file(dag.fileloc)).sync_to_db()
url = 'code?dag_id=example_bash_operator'
resp = admin_client.get(url, follow_redirects=True)
check_content_not_in_response('Failed to load DAG file Code', resp)
check_content_in_response('example_bash_operator', resp)
def test_code_from_db_all_example_dags(admin_client):
dagbag = DagBag(include_examples=True)
for dag in dagbag.dags.values():
DagCode(dag.fileloc, DagCode._get_code_from_file(dag.fileloc)).sync_to_db()
url = 'code?dag_id=example_bash_operator'
resp = admin_client.get(url, follow_redirects=True)
check_content_not_in_response('Failed to load DAG file Code', resp)
check_content_in_response('example_bash_operator', resp)
@pytest.mark.parametrize(
"url, data, content",
[
('paused?dag_id=example_bash_operator&is_paused=false', None, 'OK'),
(
"failed",
dict(
task_id="run_this_last",
dag_id="example_bash_operator",
dag_run_id=DEFAULT_DAGRUN,
upstream="false",
downstream="false",
future="false",
past="false",
origin="/graph?dag_id=example_bash_operator",
),
"Marked failed on 1 task instances",
),
(
"success",
dict(
task_id="run_this_last",
dag_id="example_bash_operator",
dag_run_id=DEFAULT_DAGRUN,
upstream="false",
downstream="false",
future="false",
past="false",
origin="/graph?dag_id=example_bash_operator",
),
"Marked success on 1 task instances",
),
(
"clear",
dict(
task_id="runme_1",
dag_id="example_bash_operator",
execution_date=DEFAULT_DATE,
upstream="false",
downstream="false",
future="false",
past="false",
only_failed="false",
),
"example_bash_operator",
),
(
"run",
dict(
task_id="runme_0",
dag_id="example_bash_operator",
ignore_all_deps="false",
ignore_ti_state="true",
execution_date=DEFAULT_DATE,
),
"",
),
],
ids=[
"paused",
"failed-flash-hint",
"success-flash-hint",
"clear",
"run",
],
)
def test_views_post(admin_client, url, data, content):
resp = admin_client.post(url, data=data, follow_redirects=True)
check_content_in_response(content, resp)
@pytest.mark.parametrize("url", ["failed", "success"])
def test_dag_never_run(admin_client, url):
dag_id = "example_bash_operator"
form = dict(
task_id="run_this_last",
dag_id=dag_id,
execution_date=DEFAULT_DATE,
upstream="false",
downstream="false",
future="false",
past="false",
origin="/graph?dag_id=example_bash_operator",
)
clear_db_runs()
resp = admin_client.post(url, data=form, follow_redirects=True)
check_content_in_response(f"Cannot mark tasks as {url}, seem that DAG {dag_id} has never run", resp)
class _ForceHeartbeatCeleryExecutor(CeleryExecutor):
def heartbeat(self):
return True
@pytest.mark.parametrize("state", RUNNABLE_STATES)
@unittest.mock.patch(
'airflow.executors.executor_loader.ExecutorLoader.get_default_executor',
return_value=_ForceHeartbeatCeleryExecutor(),
)
def test_run_with_runnable_states(_, admin_client, session, state):
task_id = 'runme_0'
session.query(TaskInstance).filter(TaskInstance.task_id == task_id).update(
{'state': state, 'end_date': timezone.utcnow()}
)
session.commit()
form = dict(
task_id=task_id,
dag_id="example_bash_operator",
ignore_all_deps="false",
ignore_ti_state="false",
dag_run_id=DEFAULT_DAGRUN,
origin='/home',
)
resp = admin_client.post('run', data=form, follow_redirects=True)
check_content_in_response('', resp)
msg = f"Task is in the '{state}' state."
assert not re.search(msg, resp.get_data(as_text=True))
@unittest.mock.patch(
'airflow.executors.executor_loader.ExecutorLoader.get_default_executor',
return_value=_ForceHeartbeatCeleryExecutor(),
)
def test_run_ignoring_deps_sets_queued_dttm(_, admin_client, session):
task_id = 'runme_0'
session.query(TaskInstance).filter(TaskInstance.task_id == task_id).update(
{'state': State.SCHEDULED, 'queued_dttm': None}
)
session.commit()
assert session.query(TaskInstance.queued_dttm).filter(TaskInstance.task_id == task_id).all() == [(None,)]
form = dict(
task_id=task_id,
dag_id="example_bash_operator",
ignore_all_deps="true",
dag_run_id=DEFAULT_DAGRUN,
origin='/home',
)
resp = admin_client.post('run', data=form, follow_redirects=True)
assert resp.status_code == 200
# We cannot use freezegun here as it does not play well with Flask 2.2 and SqlAlchemy
# Unlike real datetime, when FakeDatetime is used, it coerces to
# '2020-08-06 09:00:00+00:00' which is rejected by MySQL for EXPIRY Column
assert timezone.utcnow() - session.query(TaskInstance.queued_dttm).filter(
TaskInstance.task_id == task_id
).scalar() < timedelta(minutes=5)
@pytest.mark.parametrize("state", QUEUEABLE_STATES)
@unittest.mock.patch(
'airflow.executors.executor_loader.ExecutorLoader.get_default_executor',
return_value=CeleryExecutor(),
)
def test_run_with_not_runnable_states(_, admin_client, session, state):
assert state not in RUNNABLE_STATES
task_id = 'runme_0'
session.query(TaskInstance).filter(TaskInstance.task_id == task_id).update(
{'state': state, 'end_date': timezone.utcnow()}
)
session.commit()
form = dict(
task_id=task_id,
dag_id="example_bash_operator",
ignore_all_deps="false",
ignore_ti_state="false",
dag_run_id=DEFAULT_DAGRUN,
origin='/home',
)
resp = admin_client.post('run', data=form, follow_redirects=True)
check_content_in_response('', resp)
msg = f"Task is in the '{state}' state."
assert re.search(msg, resp.get_data(as_text=True))
@pytest.fixture()
def new_id_example_bash_operator():
dag_id = 'example_bash_operator'
test_dag_id = "non_existent_dag"
with create_session() as session:
dag_query = session.query(DagModel).filter(DagModel.dag_id == dag_id)
dag_query.first().tags = [] # To avoid "FOREIGN KEY constraint" error)
with create_session() as session:
dag_query.update({'dag_id': test_dag_id})
yield test_dag_id
with create_session() as session:
session.query(DagModel).filter(DagModel.dag_id == test_dag_id).update({'dag_id': dag_id})
def test_delete_dag_button_for_dag_on_scheduler_only(admin_client, new_id_example_bash_operator):
# Test for JIRA AIRFLOW-3233 (PR 4069):
# The delete-dag URL should be generated correctly for DAGs
# that exist on the scheduler (DB) but not the webserver DagBag
test_dag_id = new_id_example_bash_operator
resp = admin_client.get('/', follow_redirects=True)
check_content_in_response(f'/delete?dag_id={test_dag_id}', resp)
check_content_in_response(f"return confirmDeleteDag(this, '{test_dag_id}')", resp)
@pytest.fixture()
def new_dag_to_delete():
dag = DAG('new_dag_to_delete', is_paused_upon_creation=True)
session = settings.Session()
dag.sync_to_db(session=session)
return dag
@pytest.fixture()
def per_dag_perm_user_client(app, new_dag_to_delete):
sm = app.appbuilder.sm
perm = f"{permissions.RESOURCE_DAG_PREFIX}{new_dag_to_delete.dag_id}"
sm.create_permission(permissions.ACTION_CAN_DELETE, perm)
create_user(
app,
username="test_user_per_dag_perms",
role_name="User with some perms",
permissions=[
(permissions.ACTION_CAN_READ, permissions.RESOURCE_DAG),
(permissions.ACTION_CAN_DELETE, perm),
(permissions.ACTION_CAN_READ, permissions.RESOURCE_WEBSITE),
],
)
sm.find_user(username="test_user_per_dag_perms")
yield client_with_login(
app,
username="test_user_per_dag_perms",
password="test_user_per_dag_perms",
)
delete_user(app, username="test_user_per_dag_perms") # type: ignore
delete_roles(app)
def test_delete_just_dag_per_dag_permissions(new_dag_to_delete, per_dag_perm_user_client):
resp = per_dag_perm_user_client.post(
f"delete?dag_id={new_dag_to_delete.dag_id}&next=/home", follow_redirects=True
)
check_content_in_response(f'Deleting DAG with id {new_dag_to_delete.dag_id}.', resp)
def test_delete_just_dag_resource_permissions(new_dag_to_delete, user_client):
resp = user_client.post(f"delete?dag_id={new_dag_to_delete.dag_id}&next=/home", follow_redirects=True)
check_content_in_response(f'Deleting DAG with id {new_dag_to_delete.dag_id}.', resp)
@pytest.mark.parametrize("endpoint", ["graph", "tree"])
def test_show_external_log_redirect_link_with_local_log_handler(capture_templates, admin_client, endpoint):
"""Do not show external links if log handler is local."""
url = f'{endpoint}?dag_id=example_bash_operator'
with capture_templates() as templates:
admin_client.get(url, follow_redirects=True)
ctx = templates[0].local_context
assert not ctx['show_external_log_redirect']
assert ctx['external_log_name'] is None
class _ExternalHandler(ExternalLoggingMixin):
_supports_external_link = True
LOG_NAME = 'ExternalLog'
@property
def log_name(self) -> str:
return self.LOG_NAME
def get_external_log_url(self, *args, **kwargs) -> str:
return 'http://external-service.com'
@property
def supports_external_link(self) -> bool:
return self._supports_external_link
@pytest.mark.parametrize("endpoint", ["graph", "tree"])
@unittest.mock.patch(
'airflow.utils.log.log_reader.TaskLogReader.log_handler',
new_callable=unittest.mock.PropertyMock,
return_value=_ExternalHandler(),
)
def test_show_external_log_redirect_link_with_external_log_handler(
_, capture_templates, admin_client, endpoint
):
"""Show external links if log handler is external."""
url = f'{endpoint}?dag_id=example_bash_operator'
with capture_templates() as templates:
admin_client.get(url, follow_redirects=True)
ctx = templates[0].local_context
assert ctx['show_external_log_redirect']
assert ctx['external_log_name'] == _ExternalHandler.LOG_NAME
@pytest.mark.parametrize("endpoint", ["graph", "tree"])
@unittest.mock.patch(
'airflow.utils.log.log_reader.TaskLogReader.log_handler',
new_callable=unittest.mock.PropertyMock,
return_value=_ExternalHandler(),
)
def test_external_log_redirect_link_with_external_log_handler_not_shown(
_external_handler, capture_templates, admin_client, endpoint
):
"""Show external links if log handler is external."""
_external_handler.return_value._supports_external_link = False
url = f'{endpoint}?dag_id=example_bash_operator'
with capture_templates() as templates:
admin_client.get(url, follow_redirects=True)
ctx = templates[0].local_context
assert not ctx['show_external_log_redirect']
assert ctx['external_log_name'] is None
def _get_appbuilder_pk_string(model_view_cls, instance) -> str:
"""Utility to get Flask-Appbuilder's string format "pk" for an object.
Used to generate requests to FAB action views without *too* much difficulty.
The implementation relies on FAB internals, but unfortunately I don't see
a better way around it.
Example usage::
>>> from airflow.www.views import TaskInstanceModelView
>>> ti = session.Query(TaskInstance).filter(...).one()
>>> pk = _get_appbuilder_pk_string(TaskInstanceModelView, ti)
>>> client.post("...", data={"action": "...", "rowid": pk})
"""
pk_value = model_view_cls.datamodel.get_pk_value(instance)
return model_view_cls._serialize_pk_if_composite(model_view_cls, pk_value)
def test_task_instance_delete(session, admin_client, create_task_instance):
task_instance_to_delete = create_task_instance(
task_id="test_task_instance_delete",
execution_date=timezone.utcnow(),
state=State.DEFERRED,
)
composite_key = _get_appbuilder_pk_string(TaskInstanceModelView, task_instance_to_delete)
task_id = task_instance_to_delete.task_id
assert session.query(TaskInstance).filter(TaskInstance.task_id == task_id).count() == 1
admin_client.post(f"/taskinstance/delete/{composite_key}", follow_redirects=True)
assert session.query(TaskInstance).filter(TaskInstance.task_id == task_id).count() == 0
def test_task_instance_delete_permission_denied(session, client_ti_without_dag_edit, create_task_instance):
task_instance_to_delete = create_task_instance(
task_id="test_task_instance_delete_permission_denied",
execution_date=timezone.utcnow(),
state=State.DEFERRED,
session=session,
)
session.commit()
composite_key = _get_appbuilder_pk_string(TaskInstanceModelView, task_instance_to_delete)
task_id = task_instance_to_delete.task_id
assert session.query(TaskInstance).filter(TaskInstance.task_id == task_id).count() == 1
resp = client_ti_without_dag_edit.post(f"/taskinstance/delete/{composite_key}", follow_redirects=True)
check_content_in_response(f"Access denied for dag_id {task_instance_to_delete.dag_id}", resp)
assert session.query(TaskInstance).filter(TaskInstance.task_id == task_id).count() == 1
def test_task_instance_clear(session, admin_client):
task_id = "runme_0"
# Set the state to success for clearing.
ti_q = session.query(TaskInstance).filter(TaskInstance.task_id == task_id)
ti_q.update({"state": State.SUCCESS})
session.commit()
# Send a request to clear.
rowid = _get_appbuilder_pk_string(TaskInstanceModelView, ti_q.one())
resp = admin_client.post(
"/taskinstance/action_post",
data={"action": "clear", "rowid": rowid},
follow_redirects=True,
)
assert resp.status_code == 200
# Now the state should be None.
state = session.query(TaskInstance.state).filter(TaskInstance.task_id == task_id).scalar()
assert state == State.NONE
def test_task_instance_clear_failure(admin_client):
rowid = '["12345"]' # F.A.B. crashes if the rowid is *too* invalid.
resp = admin_client.post(
"/taskinstance/action_post",
data={"action": "clear", "rowid": rowid},
follow_redirects=True,
)
assert resp.status_code == 200
check_content_in_response("Failed to clear task instances:", resp)
@pytest.mark.parametrize(
"action, expected_state",
[
("set_running", State.RUNNING),
("set_failed", State.FAILED),
("set_success", State.SUCCESS),
("set_retry", State.UP_FOR_RETRY),
("set_skipped", State.SKIPPED),
],
ids=["running", "failed", "success", "retry", "skipped"],
)
def test_task_instance_set_state(session, admin_client, action, expected_state):
task_id = "runme_0"
# Send a request to clear.
ti_q = session.query(TaskInstance).filter(TaskInstance.task_id == task_id)
rowid = _get_appbuilder_pk_string(TaskInstanceModelView, ti_q.one())
resp = admin_client.post(
"/taskinstance/action_post",
data={"action": action, "rowid": rowid},
follow_redirects=True,
)
assert resp.status_code == 200
# Now the state should be modified.
state = session.query(TaskInstance.state).filter(TaskInstance.task_id == task_id).scalar()
assert state == expected_state
@pytest.mark.parametrize(
"action",
[
"set_running",
"set_failed",
"set_success",
"set_retry",
"set_skipped",
],
)
def test_task_instance_set_state_failure(admin_client, action):
rowid = '["12345"]' # F.A.B. crashes if the rowid is *too* invalid.
resp = admin_client.post(
"/taskinstance/action_post",
data={"action": action, "rowid": rowid},
follow_redirects=True,
)
assert resp.status_code == 200
check_content_in_response("Failed to set state", resp)
@pytest.mark.parametrize(
"task_search_tuples",
[
[("example_xcom", "bash_push"), ("example_bash_operator", "run_this_last")],
[("example_subdag_operator", "some-other-task")],
],
ids=['multiple_tasks', 'one_task'],
)
def test_action_muldelete_task_instance(session, admin_client, task_search_tuples):
# get task instances to delete
tasks_to_delete = []
for task_search_tuple in task_search_tuples:
dag_id, task_id = task_search_tuple
tasks_to_delete.append(
session.query(TaskInstance)
.filter(TaskInstance.task_id == task_id, TaskInstance.dag_id == dag_id)
.one()
)
# add task reschedules for those tasks to make sure that the delete cascades to the required tables
trs = [
TaskReschedule(
task=task,
run_id=task.run_id,
try_number=1,
start_date=timezone.datetime(2021, 1, 1),
end_date=timezone.datetime(2021, 1, 2),
reschedule_date=timezone.datetime(2021, 1, 3),
)
for task in tasks_to_delete
]
session.bulk_save_objects(trs)
session.flush()
# run the function to test
resp = admin_client.post(
"/taskinstance/action_post",
data={
"action": "muldelete",
"rowid": [_get_appbuilder_pk_string(TaskInstanceModelView, task) for task in tasks_to_delete],
},
follow_redirects=True,
)
# assert expected behavior for that function and its response
assert resp.status_code == 200
for task_search_tuple in task_search_tuples:
dag_id, task_id = task_search_tuple
assert (
session.query(TaskInstance)
.filter(TaskInstance.task_id == task_id, TaskInstance.dag_id == dag_id)
.count()
== 0
)
assert session.query(TaskReschedule).count() == 0
def test_task_fail_duration(app, admin_client, dag_maker, session):
"""Task duration page with a TaskFail entry should render without error."""
with dag_maker() as dag:
op1 = BashOperator(task_id='fail', bash_command='exit 1')
op2 = BashOperator(task_id='success', bash_command='exit 0')
with pytest.raises(AirflowException):
op1.run()
op2.run()
op1_fails = (
session.query(TaskFail)
.filter(
TaskFail.task_id == 'fail',
TaskFail.dag_id == dag.dag_id,
)
.all()
)
op2_fails = (
session.query(TaskFail)
.filter(
TaskFail.task_id == 'success',
TaskFail.dag_id == dag.dag_id,
)
.all()
)
assert len(op1_fails) == 1
assert len(op2_fails) == 0
with unittest.mock.patch.object(app, 'dag_bag') as mocked_dag_bag:
mocked_dag_bag.get_dag.return_value = dag
resp = admin_client.get(f"dags/{dag.dag_id}/duration", follow_redirects=True)
html = resp.get_data().decode()
cumulative_chart = json.loads(re.search("data_cumlinechart=(.*);", html).group(1))
line_chart = json.loads(re.search("data_linechart=(.*);", html).group(1))
assert resp.status_code == 200
assert sorted(item["key"] for item in cumulative_chart) == ["fail", "success"]
assert sorted(item["key"] for item in line_chart) == ["fail", "success"]
def test_graph_view_doesnt_fail_on_recursion_error(app, dag_maker, admin_client):
"""Test that the graph view doesn't fail on a recursion error."""
from airflow.utils.helpers import chain
with dag_maker('test_fails_with_recursion') as dag:
tasks = [
BashOperator(
task_id=f"task_{i}",
bash_command="echo test",
)
for i in range(1, 1000 + 1)
]
chain(*tasks)
with unittest.mock.patch.object(app, 'dag_bag') as mocked_dag_bag:
mocked_dag_bag.get_dag.return_value = dag
url = f'/dags/{dag.dag_id}/graph'
resp = admin_client.get(url, follow_redirects=True)
assert resp.status_code == 200
def test_task_instances(admin_client):