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# This file is part of pipe_base. 

# 

# Developed for the LSST Data Management System. 

# This product includes software developed by the LSST Project 

# (http://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 <http://www.gnu.org/licenses/>. 

 

"""Simple unit test for PipelineTaskConnections. 

""" 

 

import unittest 

import pytest 

 

import lsst.utils.tests 

import lsst.pipe.base as pipeBase 

 

 

class TestConnectionsClass(unittest.TestCase): 

def __init__(self, *args, **kwargs): 

super().__init__(*args, **kwargs) 

 

# Test dimensions 

self.test_dims = ("a", "b") 

 

def testConnectionsDeclaration(self): 

"""Tests the declaration of a Connections Class 

""" 

with pytest.raises(TypeError): 

# This should raise because this Connections class is created with no dimensions 

class TestConnections(pipeBase.PipelineTaskConnections): 

pass 

 

with pytest.raises(TypeError): 

# This should raise because this Connections class is created with out template defaults 

class TestConnectionsTemplate(pipeBase.PipelineTaskConnections, dimensions=self.test_dims): 

field = pipeBase.connectionTypes.Input(doc="Test", name="{template}test", 

dimensions=self.test_dims, 

storageClass='Dummy') 

 

# This declaration should raise no exceptions 

class TestConnectionsWithDimensions(pipeBase.PipelineTaskConnections, dimensions=self.test_dims): 

pass 

 

# This should not raise 

class TestConnectionsWithTemplate(pipeBase.PipelineTaskConnections, dimensions=self.test_dims, 

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

field = pipeBase.connectionTypes.Input(doc="Test", name="{template}test", 

dimensions=self.test_dims, 

storageClass='Dummy') 

 

def testConnectionsOnConnectionsClass(self): 

class TestConnections(pipeBase.PipelineTaskConnections, dimensions=self.test_dims): 

initInput1 = pipeBase.connectionTypes.InitInput(doc="Test Init input", name="init_input", 

storageClass='Dummy') 

initInput2 = pipeBase.connectionTypes.InitInput(doc="Test Init input", name="init_input2", 

storageClass='Dummy') 

 

initOutput1 = pipeBase.connectionTypes.InitOutput(doc="Test Init output", name="init_output1", 

storageClass='Dummy') 

initOutput2 = pipeBase.connectionTypes.InitOutput(doc="Test Init output", name="init_output2", 

storageClass='Dummy') 

 

input1 = pipeBase.connectionTypes.Input(doc="test input", name="input2", 

dimensions=self.test_dims, 

storageClass='Dummy') 

input2 = pipeBase.connectionTypes.Input(doc="test input", name="input2", 

dimensions=self.test_dims, 

storageClass='Dummy') 

 

prereqInputs1 = pipeBase.connectionTypes.PrerequisiteInput(doc="test input", name="pre_input1", 

dimensions=self.test_dims, 

storageClass='Dummy') 

prereqInputs2 = pipeBase.connectionTypes.PrerequisiteInput(doc="test input", name="pre_input2", 

dimensions=self.test_dims, 

storageClass='Dummy') 

 

output1 = pipeBase.connectionTypes.Output(doc="test output", name="output", 

dimensions=self.test_dims, 

storageClass='Dummy') 

output2 = pipeBase.connectionTypes.Output(doc="test output", name="output", 

dimensions=self.test_dims, 

storageClass='Dummy') 

 

self.assertEqual(TestConnections.initInputs, frozenset(["initInput1", "initInput2"])) 

self.assertEqual(TestConnections.initOutputs, frozenset(["initOutput1", "initOutput2"])) 

self.assertEqual(TestConnections.inputs, frozenset(["input1", "input2"])) 

self.assertEqual(TestConnections.prerequisiteInputs, frozenset(["prereqInputs1", "prereqInputs2"])) 

self.assertEqual(TestConnections.outputs, frozenset(["output1", "output2"])) 

 

def buildTestConnections(self): 

class TestConnectionsWithTemplate(pipeBase.PipelineTaskConnections, dimensions=self.test_dims, 

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

field = pipeBase.connectionTypes.Input(doc="Test", name="{template}test", 

dimensions=self.test_dims, 

storageClass='Dummy') 

field2 = pipeBase.connectionTypes.Output(doc="Test", name="field2Type", 

dimensions=self.test_dims, 

storageClass='Dummy', 

multiple=True) 

 

def adjustQuantum(self, datasetRefMap): 

if len(datasetRefMap.field) < 2: 

raise ValueError("This connection should have more than one entry") 

 

class TestConfig(pipeBase.PipelineTaskConfig, pipelineConnections=TestConnectionsWithTemplate): 

pass 

 

config = TestConfig() 

config.connections.template = "fromConfig" 

config.connections.field2 = "field2FromConfig" 

 

connections = TestConnectionsWithTemplate(config=config) 

return connections 

 

def testConnectionsInstantiation(self): 

connections = self.buildTestConnections() 

self.assertEqual(connections.field.name, "fromConfigtest") 

self.assertEqual(connections.field2.name, "field2FromConfig") 

 

def testBuildDatasetRefs(self): 

connections = self.buildTestConnections() 

 

mockQuantum = pipeBase.Struct(predictedInputs={"fromConfigtest": ["a"]}, 

outputs={"field2FromConfig": ["b", "c"]}) 

 

inputRefs, outputRefs = connections.buildDatasetRefs(mockQuantum) 

self.assertEqual(inputRefs.field, "a") 

self.assertEqual(outputRefs.field2, ["b", "c"]) 

 

def testAdjustQuantum(self): 

connections = self.buildTestConnections() 

mockQuantum = pipeBase.Struct(predictedInputs={"fromConfigtest": ["a"]}, 

outputs={"field2FromConfig": ["b", "c"]}) 

inputRefs, outputRefs = connections.buildDatasetRefs(mockQuantum) 

with self.assertRaises(ValueError): 

connections.adjustQuantum(inputRefs) 

 

 

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

pass 

 

 

def setup_module(module): 

lsst.utils.tests.init() 

 

 

161 ↛ 162line 161 didn't jump to line 162, because the condition on line 161 was never trueif __name__ == "__main__": 

lsst.utils.tests.init() 

unittest.main()