1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
# THIS FILE IS PART OF THE CYLC WORKFLOW ENGINE.
# Copyright (C) NIWA & British Crown (Met Office) & Contributors.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""Test for flow-assignment in triggered/set tasks."""
import functools
import logging
import time
from typing import Callable
import pytest
from cylc.flow.flow_mgr import (
FLOW_NEW,
FLOW_NONE,
)
from cylc.flow.scheduler import Scheduler
from cylc.flow.commands import (
run_cmd,
force_trigger_tasks,
set_prereqs_and_outputs,
)
async def test_trigger_no_flows(one, start):
"""Test triggering a task with no flows present.
It should get the flow numbers of the most recent active tasks.
"""
async with start(one):
# Remove the task (flow 1) --> pool empty
task = one.pool.get_tasks()[0]
one.pool.remove(task)
assert len(one.pool.get_tasks()) == 0
# Trigger the task, with new flow nums.
time.sleep(2) # The flows need different timestamps!
await run_cmd(
force_trigger_tasks(one, [task.identity], flow=['5', '9']))
assert len(one.pool.get_tasks()) == 1
# Ensure the new flow is in the db.
one.pool.workflow_db_mgr.process_queued_ops()
# Remove the task --> pool empty
task = one.pool.get_tasks()[0]
one.pool.remove(task)
assert len(one.pool.get_tasks()) == 0
# Trigger the task; it should get flow nums 5, 9
await run_cmd(force_trigger_tasks(one, [task.identity], []))
assert len(one.pool.get_tasks()) == 1
task = one.pool.get_tasks()[0]
assert task.flow_nums == {5, 9}
async def test_cli_to_flow_nums(one: Scheduler, start):
"""Test the flow manager cli_to_flow_nums method."""
async with start(one):
# flow 1 is already present
task = one.pool.get_tasks()[0]
assert one.pool.flow_mgr.cli_to_flow_nums([FLOW_NEW]) == {2}
one.pool.merge_flows(task, {2})
# now we have flows {1, 2}:
assert one.pool.flow_mgr.cli_to_flow_nums([FLOW_NONE]) == set()
assert one.pool.flow_mgr.cli_to_flow_nums([]) == set()
assert one.pool.flow_mgr.cli_to_flow_nums([FLOW_NEW]) == {3}
assert one.pool.flow_mgr.cli_to_flow_nums(['4', '5']) == {4, 5}
@pytest.mark.parametrize('command', ['trigger', 'set'])
async def test_flow_assignment(
flow, scheduler, start, command: str, log_filter: Callable
):
"""Test flow assignment when triggering/setting tasks.
Active tasks:
By default keep existing flows, else merge with requested flows.
Inactive tasks:
By default assign active flows; else assign requested flows.
"""
conf = {
'scheduler': {
'allow implicit tasks': 'True'
},
'scheduling': {
'graph': {
'R1': "foo & bar => a & b & c & d & e"
}
},
'runtime': {
'foo': {
'outputs': {'x': 'x'}
}
},
}
id_ = flow(conf)
schd: Scheduler = scheduler(id_, run_mode='simulation', paused_start=True)
async with start(schd):
if command == 'set':
do_command = functools.partial(
set_prereqs_and_outputs,
schd,
outputs=['x'],
prerequisites=[],
)
else:
do_command = functools.partial(
force_trigger_tasks,
schd,
)
active_1, active_2 = schd.pool.get_tasks() # foo, bar in any order
schd.pool.merge_flows(
active_2, schd.pool.flow_mgr.cli_to_flow_nums([FLOW_NEW]))
assert active_1.flow_nums == {1}
assert active_2.flow_nums == {1, 2}
# -----(1. Test active tasks)-----
await run_cmd(do_command([active_1.identity], flow=[]))
if command == "set":
# By default active tasks merge existing and active flows.
assert active_1.flow_nums == {1, 2}
else:
# By default active tasks keep existing flows.
assert active_1.flow_nums == {1}
# Else merge existing and requested flows.
await run_cmd(do_command([active_1.identity], flow=['2']))
assert active_1.flow_nums == {1, 2}
# (no-flow is ignored for active tasks)
await run_cmd(do_command([active_1.identity], flow=[FLOW_NONE]))
assert active_1.flow_nums == {1, 2}
assert log_filter(
contains=("Already active - ignoring"),
level=logging.WARNING
)
await run_cmd(do_command([active_1.identity], flow=[FLOW_NEW]))
assert active_1.flow_nums == {1, 2, 3}
# -----(2. Test inactive tasks)-----
if command == 'set':
do_command = functools.partial(
set_prereqs_and_outputs,
schd,
outputs=[],
prerequisites=['all'],
)
# By default inactive tasks get all active flows.
await run_cmd(do_command(['1/a'], flow=[]))
assert schd.pool._get_task_by_id('1/a').flow_nums == {1, 2, 3}
# Else assign requested flows.
# Run as no-flow:
await run_cmd(do_command(['1/b'], flow=[FLOW_NONE]))
assert schd.pool._get_task_by_id('1/b').flow_nums == set()
await run_cmd(do_command(['1/c'], flow=[FLOW_NEW]))
assert schd.pool._get_task_by_id('1/c').flow_nums == {4}
await run_cmd(do_command(['1/d'], flow=[]))
assert schd.pool._get_task_by_id('1/d').flow_nums == {1, 2, 3, 4}
await run_cmd(do_command(['1/e'], flow=["7"]))
assert schd.pool._get_task_by_id('1/e').flow_nums == {7}
|
