Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Added test case for QgsPolymorphicRelation
- Loading branch information
1 parent
53ca67a
commit 2f5acf2
Showing
2 changed files
with
238 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,237 @@ | ||
| # -*- coding: utf-8 -*- | ||
| """QGIS Unit tests for QgsPolymorphicRelation. | ||
| .. note:: 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 2 of the License, or | ||
| (at your option) any later version. | ||
| """ | ||
| __author__ = 'Ivan Ivanov' | ||
| __date__ = '11/1/2021' | ||
| __copyright__ = 'Copyright 2021, QGIS Project' | ||
|
|
||
| import qgis # NOQA | ||
|
|
||
| from qgis.core import (QgsVectorLayer, | ||
| QgsFeature, | ||
| QgsPolymorphicRelation, | ||
| QgsGeometry, | ||
| QgsPointXY, | ||
| QgsAttributeEditorElement, | ||
| QgsAttributeEditorRelation, | ||
| QgsProject | ||
| ) | ||
| from qgis.testing import start_app, unittest | ||
| import os | ||
|
|
||
| start_app() | ||
|
|
||
|
|
||
| def createReferencingLayer(): | ||
| layer = QgsVectorLayer("NoGeometry?field=fid:integer&field=referenced_layer:string&field=referenced_fid:string&field=url:string", | ||
| "referencinglayer", "memory") | ||
| assert layer.isValid() | ||
| f1 = QgsFeature() | ||
| f1.setFields(layer.fields()) | ||
| f1.setAttributes([1, "referencedlayer1", "foo", "./file1.jpg"]) | ||
| f2 = QgsFeature() | ||
| f2.setFields(layer.fields()) | ||
| f2.setAttributes([2, "referencedlayer1", "foo", "./file2.jpg"]) | ||
| f3 = QgsFeature() | ||
| f3.setFields(layer.fields()) | ||
| f3.setAttributes([3, "referencedlayer1", "bar", "./file3.jpg"]) | ||
| f4 = QgsFeature() | ||
| f4.setFields(layer.fields()) | ||
| f4.setAttributes([4, "referencedlayer2", "foobar'bar", "./file4.jpg"]) | ||
| assert layer.dataProvider().addFeatures([f1, f2, f3, f4]) | ||
| return layer | ||
|
|
||
|
|
||
| def createReferencedLayer(layer_name): | ||
| layer = QgsVectorLayer( | ||
| "Point?field=fid:string&field=value:integer", | ||
| layer_name, "memory") | ||
| assert layer.isValid() | ||
| f1 = QgsFeature() | ||
| f1.setFields(layer.fields()) | ||
| f1.setAttributes(["foo", 123]) | ||
| f1.setGeometry(QgsGeometry.fromPointXY(QgsPointXY(1, 1))) | ||
| f2 = QgsFeature() | ||
| f2.setFields(layer.fields()) | ||
| f2.setAttributes(["bar", 456]) | ||
| f2.setGeometry(QgsGeometry.fromPointXY(QgsPointXY(2, 2))) | ||
| f3 = QgsFeature() | ||
| f3.setFields(layer.fields()) | ||
| f3.setAttributes(["foobar'bar", 789]) | ||
| f3.setGeometry(QgsGeometry.fromPointXY(QgsPointXY(2, 3))) | ||
| assert layer.dataProvider().addFeatures([f1, f2, f3]) | ||
| return layer | ||
|
|
||
|
|
||
| def formatAttributes(attrs): | ||
| return repr([str(a) for a in attrs]) | ||
|
|
||
|
|
||
| class TestQgsRelation(unittest.TestCase): | ||
|
|
||
| def setUp(self): | ||
| self.referencedLayer1 = createReferencedLayer('referencedlayer1') | ||
| self.referencedLayer2 = createReferencedLayer('referencedlayer2') | ||
| self.referencingLayer = createReferencingLayer() | ||
| QgsProject.instance().addMapLayers([self.referencedLayer1, self.referencedLayer2, self.referencingLayer]) | ||
|
|
||
| def tearDown(self): | ||
| QgsProject.instance().removeAllMapLayers() | ||
|
|
||
| def test_isValid(self): | ||
| poly_rel = QgsPolymorphicRelation() | ||
| self.assertFalse(poly_rel.isValid()) | ||
|
|
||
| poly_rel.setId('poly_rel1') | ||
| self.assertFalse(poly_rel.isValid()) | ||
|
|
||
| poly_rel.setName('Polymorphic Relation Number One') | ||
| self.assertFalse(poly_rel.isValid()) | ||
|
|
||
| poly_rel.setReferencingLayer(self.referencingLayer.id()) | ||
| self.assertFalse(poly_rel.isValid()) | ||
|
|
||
| poly_rel.setReferencedLayerIds([self.referencedLayer1.id(), self.referencedLayer2.id()]) | ||
| self.assertFalse(poly_rel.isValid()) | ||
|
|
||
| poly_rel.setReferencedLayerField('referenced_layer') | ||
| self.assertFalse(poly_rel.isValid()) | ||
|
|
||
| poly_rel.setReferencedLayerExpression('@layer_name') | ||
| self.assertFalse(poly_rel.isValid()) | ||
|
|
||
| poly_rel.addFieldPair('referenced_fid', 'fid') | ||
| self.assertTrue(poly_rel.isValid()) | ||
|
|
||
| def test_setId(self): | ||
| poly_rel = QgsPolymorphicRelation() | ||
| self.assertEqual(poly_rel.id(), '') | ||
| poly_rel.setId('poly_rel_1') | ||
| self.assertEqual(poly_rel.id(), 'poly_rel_1') | ||
|
|
||
| def test_setName(self): | ||
| poly_rel = QgsPolymorphicRelation() | ||
| self.assertEqual(poly_rel.name(), 'Polymorphic relations for "<NO LAYER>"') | ||
| poly_rel.setReferencingLayer(self.referencingLayer.id()) | ||
| self.assertEqual(poly_rel.name(), 'Polymorphic relations for "referencinglayer"') | ||
| poly_rel.setName('Polymorphic Relation 1') | ||
| self.assertEqual(poly_rel.name(), 'Polymorphic Relation 1') | ||
|
|
||
| def test_setReferencingLayer(self): | ||
| poly_rel = QgsPolymorphicRelation() | ||
| self.assertEqual(poly_rel.referencingLayerId(), '') | ||
| poly_rel.setReferencingLayer(self.referencingLayer.id()) | ||
| self.assertEqual(poly_rel.referencingLayerId(), self.referencingLayer.id()) | ||
|
|
||
| def test_setReferencedLayerIds(self): | ||
| poly_rel = QgsPolymorphicRelation() | ||
| self.assertListEqual(poly_rel.referencedLayerIds(), []) | ||
| poly_rel.setReferencedLayerIds([self.referencedLayer1.id(), self.referencedLayer2.id()]) | ||
| self.assertListEqual(poly_rel.referencedLayerIds(), [self.referencedLayer1.id(), self.referencedLayer2.id()]) | ||
|
|
||
| def test_setReferencedLayerField(self): | ||
| poly_rel = QgsPolymorphicRelation() | ||
| self.assertEqual(poly_rel.referencedLayerField(), '') | ||
| poly_rel.setReferencedLayerField(self.referencingLayer.id()) | ||
| self.assertEqual(poly_rel.referencedLayerField(), self.referencingLayer.id()) | ||
|
|
||
| def test_setReferencedLayerExpression(self): | ||
| poly_rel = QgsPolymorphicRelation() | ||
| self.assertEqual(poly_rel.referencedLayerExpression(), '') | ||
| poly_rel.setReferencedLayerExpression('@layer_name') | ||
| self.assertEqual(poly_rel.referencedLayerExpression(), '@layer_name') | ||
|
|
||
| def test_addFieldPair(self): | ||
| poly_rel = QgsPolymorphicRelation() | ||
| self.assertEqual(poly_rel.fieldPairs(), {}) | ||
| poly_rel.addFieldPair('referenced_fid', 'fid') | ||
| self.assertEqual(poly_rel.fieldPairs(), {'referenced_fid': 'fid'}) | ||
|
|
||
| def test_layerRepresentation(self): | ||
| poly_rel = QgsPolymorphicRelation() | ||
| poly_rel.setId('poly_rel1') | ||
| poly_rel.setName('Polymorphic Relation Number One') | ||
| poly_rel.setReferencingLayer(self.referencingLayer.id()) | ||
| poly_rel.setReferencedLayerIds([self.referencedLayer1.id(), self.referencedLayer2.id()]) | ||
| poly_rel.setReferencedLayerField('referenced_layer') | ||
| poly_rel.setReferencedLayerExpression('@layer_name') | ||
| poly_rel.addFieldPair('referenced_fid', 'fid') | ||
|
|
||
| self.assertEqual(poly_rel.layerRepresentation(self.referencedLayer1), 'referencedlayer1') | ||
|
|
||
| def test_getGeneratedRelations(self): | ||
| poly_rel = QgsPolymorphicRelation() | ||
| poly_rel.setId('poly_rel1') | ||
| poly_rel.setName('Polymorphic Relation Number One') | ||
| poly_rel.setReferencingLayer(self.referencingLayer.id()) | ||
| poly_rel.setReferencedLayerIds([self.referencedLayer1.id(), self.referencedLayer2.id()]) | ||
| poly_rel.setReferencedLayerField('referenced_layer') | ||
| poly_rel.setReferencedLayerExpression('@layer_name') | ||
| poly_rel.addFieldPair('referenced_fid', 'fid') | ||
|
|
||
| QgsProject.instance().relationManager().addPolymorphicRelation(poly_rel) | ||
|
|
||
| self.assertTrue(poly_rel.isValid()) | ||
|
|
||
| rels = poly_rel.getGeneratedRelations() | ||
|
|
||
| self.assertEqual(len(rels), 2) | ||
|
|
||
| rel1, rel2 = rels | ||
|
|
||
| self.assertTrue(rel1.isValid()) | ||
| self.assertEqual(rel1.polymorphicRelationId(), poly_rel.id()) | ||
| self.assertEqual(rel1.referencingLayer(), poly_rel.referencingLayer()) | ||
| self.assertEqual(rel1.referencedLayer(), self.referencedLayer1) | ||
| self.assertEqual(rel1.fieldPairs(), {'referenced_fid': 'fid'}) | ||
|
|
||
| features = list(self.referencedLayer1.getFeatures()) | ||
| self.assertEqual(len(features), 3) | ||
| self.assertEqual(rel1.getRelatedFeaturesFilter(features[0]), '"referenced_layer" = \'referencedlayer1\' AND "referenced_fid" = \'foo\'') | ||
| it = rel1.getRelatedFeatures(features[0]) | ||
| self.assertListEqual([f.attributes() for f in it], [ | ||
| [1, 'referencedlayer1', 'foo', './file1.jpg'], | ||
| [2, 'referencedlayer1', 'foo', './file2.jpg'], | ||
| ]) | ||
|
|
||
| self.assertEqual(rel1.getRelatedFeaturesFilter(features[1]), '"referenced_layer" = \'referencedlayer1\' AND "referenced_fid" = \'bar\'') | ||
| it = rel1.getRelatedFeatures(features[1]) | ||
| self.assertListEqual([f.attributes() for f in it], [ | ||
| [3, 'referencedlayer1', 'bar', './file3.jpg'], | ||
| ]) | ||
|
|
||
| self.assertEqual(rel1.getRelatedFeaturesFilter(features[2]), '"referenced_layer" = \'referencedlayer1\' AND "referenced_fid" = \'foobar\'\'bar\'') | ||
| it = rel1.getRelatedFeatures(features[2]) | ||
| self.assertListEqual([f.attributes() for f in it], []) | ||
|
|
||
| self.assertTrue(rel2.isValid()) | ||
| self.assertEqual(rel2.polymorphicRelationId(), poly_rel.id()) | ||
| self.assertEqual(rel2.polymorphicRelationId(), poly_rel.id()) | ||
| self.assertEqual(rel2.referencingLayer(), poly_rel.referencingLayer()) | ||
| self.assertEqual(rel2.referencedLayer(), self.referencedLayer2) | ||
| self.assertEqual(rel2.fieldPairs(), {'referenced_fid': 'fid'}) | ||
|
|
||
| features = list(self.referencedLayer2.getFeatures()) | ||
| self.assertEqual(len(features), 3) | ||
| self.assertEqual(rel2.getRelatedFeaturesFilter(features[0]), '"referenced_layer" = \'referencedlayer2\' AND "referenced_fid" = \'foo\'') | ||
| it = rel2.getRelatedFeatures(features[0]) | ||
| self.assertListEqual([f.attributes() for f in it], []) | ||
|
|
||
| self.assertEqual(rel2.getRelatedFeaturesFilter(features[1]), '"referenced_layer" = \'referencedlayer2\' AND "referenced_fid" = \'bar\'') | ||
| it = rel2.getRelatedFeatures(features[1]) | ||
| self.assertListEqual([f.attributes() for f in it], []) | ||
|
|
||
| self.assertEqual(rel2.getRelatedFeaturesFilter(features[2]), '"referenced_layer" = \'referencedlayer2\' AND "referenced_fid" = \'foobar\'\'bar\'') | ||
| it = rel2.getRelatedFeatures(features[2]) | ||
| self.assertListEqual([f.attributes() for f in it], [ | ||
| [4, 'referencedlayer2', "foobar'bar", './file4.jpg'] | ||
| ]) | ||
|
|
||
|
|
||
| if __name__ == '__main__': | ||
| unittest.main() |