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# This file is part of ctrl_mpexec. 

# 

# Developed for the LSST Data Management System. 

# This product includes software developed by the LSST Project 

# (https://www.lsst.org). 

# See the COPYRIGHT file at the top-level directory of this distribution 

# for details of code ownership. 

# 

# 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 <https://www.gnu.org/licenses/>. 

 

"""Simple unit test for cmdLineFwk module. 

""" 

 

import argparse 

import contextlib 

import pickle 

import os 

import tempfile 

import unittest 

 

from lsst.ctrl.mpexec.cmdLineFwk import CmdLineFwk 

from lsst.ctrl.mpexec.cmdLineParser import _PipelineAction 

from lsst.daf.butler import Quantum 

import lsst.pex.config as pexConfig 

from lsst.pipe.base import (Pipeline, PipelineTask, PipelineTaskConfig, 

QuantumGraph, QuantumGraphTaskNodes, TaskDef, 

TaskFactory, PipelineTaskConnections) 

import lsst.pipe.base.connectionTypes as cT 

import lsst.utils.tests 

 

 

@contextlib.contextmanager 

def makeTmpFile(): 

"""Context manager for generating temporary file name. 

 

Temporary file is deleted on exiting context. 

""" 

fd, tmpname = tempfile.mkstemp() 

os.close(fd) 

yield tmpname 

with contextlib.suppress(OSError): 

os.remove(tmpname) 

 

 

class SimpleConnections(PipelineTaskConnections, dimensions=(), 

defaultTemplates={"template": "simple"}): 

schema = cT.InitInput(doc="Schema", 

name="{template}schema", 

storageClass="SourceCatalog") 

 

 

class SimpleConfig(PipelineTaskConfig, pipelineConnections=SimpleConnections): 

field = pexConfig.Field(dtype=str, doc="arbitrary string") 

 

def setDefaults(self): 

PipelineTaskConfig.setDefaults(self) 

 

 

class TaskOne(PipelineTask): 

ConfigClass = SimpleConfig 

_DefaultName = "taskOne" 

 

 

class TaskTwo(PipelineTask): 

ConfigClass = SimpleConfig 

_DefaultName = "taskTwo" 

 

 

class TaskFactoryMock(TaskFactory): 

def loadTaskClass(self, taskName): 

if taskName == "TaskOne": 

return TaskOne, "TaskOne" 

elif taskName == "TaskTwo": 

return TaskTwo, "TaskTwo" 

 

def makeTask(self, taskClass, config, overrides, butler): 

if config is None: 

config = taskClass.ConfigClass() 

if overrides: 

overrides.applyTo(config) 

return taskClass(config=config, butler=butler) 

 

 

def _makeArgs(pipeline=None, qgraph=None, pipeline_actions=(), order_pipeline=False, 

save_pipeline="", save_qgraph="", pipeline_dot="", qgraph_dot=""): 

"""Return parsed command line arguments. 

 

Parameters 

---------- 

pipeline : `str`, optional 

Name of the pickle file with pipeline. 

qgraph : `str`, optional 

Name of the pickle file with QGraph. 

pipeline_actions : itrable of `cmdLinePArser._PipelineAction`, optional 

order_pipeline : `bool` 

save_pipeline : `str` 

Name of the pickle file to store pipeline. 

save_qgraph : `str` 

Name of the pickle file to store QGraph. 

pipeline_dot : `str` 

Name of the DOT file to write pipeline graph. 

qgraph_dot : `str` 

Name of the DOT file to write QGrpah representation. 

""" 

args = argparse.Namespace() 

args.pipeline = pipeline 

args.qgraph = qgraph 

args.pipeline_actions = pipeline_actions 

args.order_pipeline = order_pipeline 

args.save_pipeline = save_pipeline 

args.save_qgraph = save_qgraph 

args.pipeline_dot = pipeline_dot 

args.qgraph_dot = qgraph_dot 

return args 

 

 

def _makeQGraph(): 

"""Make a trivial QuantumGraph with one quantum. 

 

The only thing that we need to do with this quantum graph is to pickle 

it, the quanta in this graph are not usable for anything else. 

 

Returns 

------- 

qgraph : `~lsst.pipe.base.QuantumGraph` 

""" 

taskDef = TaskDef(taskName="taskOne", config=SimpleConfig()) 

quanta = [Quantum()] 

taskNodes = QuantumGraphTaskNodes(taskDef=taskDef, quanta=quanta, initInputs={}, initOutputs={}) 

qgraph = QuantumGraph([taskNodes]) 

return qgraph 

 

 

class CmdLineFwkTestCase(unittest.TestCase): 

"""A test case for CmdLineFwk 

""" 

 

def testMakePipeline(self): 

"""Tests for CmdLineFwk.makePipeline method 

""" 

fwk = CmdLineFwk() 

taskFactory = TaskFactoryMock() 

 

# make empty pipeline 

args = _makeArgs() 

pipeline = fwk.makePipeline(taskFactory, args) 

self.assertIsInstance(pipeline, Pipeline) 

self.assertEqual(len(pipeline), 0) 

 

# few tests with pickle 

with makeTmpFile() as tmpname: 

# make empty pipeline and store it in a file 

args = _makeArgs(save_pipeline=tmpname) 

pipeline = fwk.makePipeline(taskFactory, args) 

self.assertIsInstance(pipeline, Pipeline) 

 

# read pipeline from a file 

args = _makeArgs(pipeline=tmpname) 

pipeline = fwk.makePipeline(taskFactory, args) 

self.assertIsInstance(pipeline, Pipeline) 

self.assertEqual(len(pipeline), 0) 

 

# pickle with wrong object type 

with open(tmpname, "wb") as pickleFile: 

pickle.dump({}, pickleFile) 

args = _makeArgs(pipeline=tmpname) 

with self.assertRaises(TypeError): 

fwk.makePipeline(taskFactory, args) 

 

# single task pipeline 

actions = [ 

_PipelineAction(action="new_task", label="task1", value="TaskOne") 

] 

args = _makeArgs(pipeline_actions=actions) 

pipeline = fwk.makePipeline(taskFactory, args) 

self.assertIsInstance(pipeline, Pipeline) 

self.assertEqual(len(pipeline), 1) 

 

# many task pipeline 

actions = [ 

_PipelineAction(action="new_task", label="task1a", value="TaskOne"), 

_PipelineAction(action="new_task", label="task2", value="TaskTwo"), 

_PipelineAction(action="new_task", label="task1b", value="TaskOne") 

] 

args = _makeArgs(pipeline_actions=actions) 

pipeline = fwk.makePipeline(taskFactory, args) 

self.assertIsInstance(pipeline, Pipeline) 

self.assertEqual(len(pipeline), 3) 

 

def testMakeGraphFromPickle(self): 

"""Tests for CmdLineFwk.makeGraph method. 

 

Only most trivial case is tested that does not do actual graph 

building. 

""" 

fwk = CmdLineFwk() 

taskFactory = TaskFactoryMock() 

 

with makeTmpFile() as tmpname: 

 

# make non-empty graph and store it in a file 

qgraph = _makeQGraph() 

with open(tmpname, "wb") as pickleFile: 

pickle.dump(qgraph, pickleFile) 

args = _makeArgs(qgraph=tmpname) 

qgraph = fwk.makeGraph(None, taskFactory, args) 

self.assertIsInstance(qgraph, QuantumGraph) 

self.assertEqual(len(qgraph), 1) 

 

# pickle with wrong object type 

with open(tmpname, "wb") as pickleFile: 

pickle.dump({}, pickleFile) 

args = _makeArgs(qgraph=tmpname) 

with self.assertRaises(TypeError): 

fwk.makeGraph(None, taskFactory, args) 

 

# reading empty graph from pickle should return None 

qgraph = QuantumGraph() 

with open(tmpname, "wb") as pickleFile: 

pickle.dump(qgraph, pickleFile) 

args = _makeArgs(qgraph=tmpname) 

with self.assertWarnsRegex(UserWarning, "QuantumGraph is empty"): 

# this also tests that warning is generated for empty graph 

qgraph = fwk.makeGraph(None, taskFactory, args) 

self.assertIs(qgraph, None) 

 

 

class MyMemoryTestCase(lsst.utils.tests.MemoryTestCase): 

pass 

 

 

def setup_module(module): 

lsst.utils.tests.init() 

 

 

247 ↛ 248line 247 didn't jump to line 248, because the condition on line 247 was never trueif __name__ == "__main__": 

lsst.utils.tests.init() 

unittest.main()