def tesRegisterSameProviderTwice(self):
"""Test that a provider cannot be registered twice"""
r = QgsProviderRegistry.instance()
metadata = QgsProviderMetadata(PyProvider.providerKey(),
PyProvider.description(),
PyProvider.createProvider)
self.assertFalse(r.registerProvider(metadata))
def setUpClass(cls):
"""Run before all tests"""
# Register the provider
r = QgsProviderRegistry.instance()
metadata = QgsProviderMetadata(PyProvider.providerKey(), PyProvider.description(), PyProvider.createProvider)
assert r.registerProvider(metadata)
assert r.providerMetadata(PyProvider.providerKey()) == metadata
# Create test layer
cls.vl = cls.createLayer()
assert (cls.vl.isValid())
cls.source = cls.vl.dataProvider()
# poly layer
cls.poly_vl = QgsVectorLayer('Polygon?crs=epsg:4326&field=pk:integer&key=pk',
'test', 'pythonprovider')
assert (cls.poly_vl.isValid())
cls.poly_provider = cls.poly_vl.dataProvider()
f1 = QgsFeature()
f1.setAttributes([1])
f1.setGeometry(QgsGeometry.fromWkt('Polygon ((-69.03664108 81.35818902, -69.09237722 80.24346619, -73.718477 80.1319939, -73.718477 76.28620011, -74.88893598 76.34193625, -74.83319983 81.35818902, -69.03664108 81.35818902))'))
f2 = QgsFeature()
f2.setAttributes([2])
f2.setGeometry(QgsGeometry.fromWkt('Polygon ((-67.58750139 81.1909806, -66.30557012 81.24671674, -66.30557012 76.89929767, -67.58750139 76.89929767, -67.58750139 81.1909806))'))
f3 = QgsFeature()
f3.setAttributes([3])
f3.setGeometry(QgsGeometry.fromWkt('Polygon ((-68.36780737 75.78457483, -67.53176524 72.60761475, -68.64648808 73.66660144, -70.20710006 72.9420316, -68.36780737 75.78457483))'))
f4 = QgsFeature()
f4.setAttributes([4])
cls.poly_provider.addFeatures([f1, f2, f3, f4])
def setUpClass(cls):
"""Run before all tests"""
# Register the provider
r = QgsProviderRegistry.instance()
metadata = QgsProviderMetadata(PyProvider.providerKey(), PyProvider.description(), PyProvider.createProvider)
assert r.registerProvider(metadata)
assert r.providerMetadata(PyProvider.providerKey()) == metadata
# Create test layer
cls.vl = cls.createLayer()
assert (cls.vl.isValid())
cls.source = cls.vl.dataProvider()
# poly layer
cls.poly_vl = QgsVectorLayer('Polygon?crs=epsg:4326&field=pk:integer&key=pk',
'test', 'pythonprovider')
assert (cls.poly_vl.isValid())
cls.poly_provider = cls.poly_vl.dataProvider()
f1 = QgsFeature()
f1.setAttributes([1])
f1.setGeometry(QgsGeometry.fromWkt('Polygon ((-69.03664108 81.35818902, -69.09237722 80.24346619, -73.718477 80.1319939, -73.718477 76.28620011, -74.88893598 76.34193625, -74.83319983 81.35818902, -69.03664108 81.35818902))'))
f2 = QgsFeature()
f2.setAttributes([2])
f2.setGeometry(QgsGeometry.fromWkt('Polygon ((-67.58750139 81.1909806, -66.30557012 81.24671674, -66.30557012 76.89929767, -67.58750139 76.89929767, -67.58750139 81.1909806))'))
f3 = QgsFeature()
f3.setAttributes([3])
f3.setGeometry(QgsGeometry.fromWkt('Polygon ((-68.36780737 75.78457483, -67.53176524 72.60761475, -68.64648808 73.66660144, -70.20710006 72.9420316, -68.36780737 75.78457483))'))
f4 = QgsFeature()
f4.setAttributes([4])
cls.poly_provider.addFeatures([f1, f2, f3, f4])
def tesRegisterSameProviderTwice(self):
"""Test that a provider cannot be registered twice"""
r = QgsProviderRegistry.instance()
metadata = QgsProviderMetadata(PyProvider.providerKey(), PyProvider.description(), PyProvider.createProvider)
self.assertFalse(r.registerProvider(metadata))