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130 lines
4.7 KiB
Python
130 lines
4.7 KiB
Python
"""
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***************************************************************************
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Project Provider tests
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---------------------
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Date : July 2018
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Copyright : (C) 2018 by Nyall Dawson
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Email : nyall dot dawson at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************8
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"""
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__author__ = 'Nyall Dawson'
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__date__ = 'July 2018'
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__copyright__ = '(C) 2018, Nyall Dawson'
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import unittest
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from qgis.testing import start_app, QgisTestCase
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from qgis.PyQt.QtCore import QTemporaryFile
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from qgis.core import (QgsApplication,
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QgsProcessingModelAlgorithm,
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QgsProject)
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from processing.modeler.ProjectProvider import ProjectProvider
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from processing.modeler.ModelerDialog import ModelerDialog
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start_app()
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class ProjectProviderTest(QgisTestCase):
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def testSaveRestoreFromProject(self):
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p = QgsProject()
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provider = ProjectProvider(p)
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# add some algorithms
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alg = QgsProcessingModelAlgorithm('test name', 'test group')
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provider.add_model(alg)
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alg2 = QgsProcessingModelAlgorithm('test name2', 'test group2')
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provider.add_model(alg2)
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self.assertEqual(len(provider.algorithms()), 2)
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tmp_file = QTemporaryFile()
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tmp_file.open() # fileName is no available until open
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temp_path = tmp_file.fileName()
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tmp_file.close()
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self.assertTrue(p.write(temp_path))
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# restore project
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p2 = QgsProject()
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provider2 = ProjectProvider(p2)
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self.assertTrue(p2.read(temp_path))
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self.assertEqual(len(provider2.model_definitions), 2)
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self.assertEqual(len(provider2.algorithms()), 2)
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self.assertEqual(provider2.algorithms()[0].name(), 'test name')
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self.assertEqual(provider2.algorithms()[0].group(), 'test group')
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self.assertEqual(provider2.algorithms()[1].name(), 'test name2')
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self.assertEqual(provider2.algorithms()[1].group(), 'test group2')
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# clear project should remove algorithms
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p2.clear()
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self.assertFalse(provider2.algorithms())
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def testDelete(self):
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"""
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Test deleting a model from the project
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"""
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p = QgsProject()
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provider = ProjectProvider(p)
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# add some models
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alg = QgsProcessingModelAlgorithm('test name', 'test group')
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provider.add_model(alg)
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alg2 = QgsProcessingModelAlgorithm('test name2', 'test group2')
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provider.add_model(alg2)
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self.assertEqual(len(provider.algorithms()), 2)
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# try to delete
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provider.remove_model(None)
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self.assertEqual(len(provider.algorithms()), 2)
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# not in provider!
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alg3 = QgsProcessingModelAlgorithm('test name3', 'test group')
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provider.remove_model(alg3)
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self.assertEqual(len(provider.algorithms()), 2)
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# delete model actually in project
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provider.remove_model(alg)
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self.assertEqual(len(provider.algorithms()), 1)
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self.assertEqual(provider.algorithms()[0].name(), 'test name2')
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# overwrite model
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alg2b = QgsProcessingModelAlgorithm('test name2', 'test group2')
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alg2b.setHelpContent({'test': 'test'})
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provider.add_model(alg2b)
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self.assertEqual(len(provider.algorithms()), 1)
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self.assertEqual(provider.algorithms()[0].helpContent(), {'test': 'test'})
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provider.remove_model(alg2)
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self.assertEqual(len(provider.algorithms()), 0)
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def testDialog(self):
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"""
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Test saving model to project from dialog
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"""
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p = QgsProject().instance()
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provider = ProjectProvider()
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QgsApplication.processingRegistry().addProvider(provider)
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# make an algorithm
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alg = QgsProcessingModelAlgorithm('test name', 'test group')
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dialog = ModelerDialog(alg)
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dialog.saveInProject()
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self.assertEqual(len(provider.model_definitions), 1)
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self.assertEqual(len(provider.algorithms()), 1)
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self.assertEqual(provider.algorithms()[0].name(), 'test name')
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self.assertEqual(provider.algorithms()[0].group(), 'test group')
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if __name__ == '__main__':
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unittest.main()
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