forked from AG_QGIS/Plugin_SN_Basis
171 lines
5.3 KiB
Python
171 lines
5.3 KiB
Python
# sn_basis/test/test_layerpruefer.py
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import unittest
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from sn_basis.modules.layerpruefer import Layerpruefer
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from sn_basis.modules.pruef_ergebnis import pruef_ergebnis
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# ---------------------------------------------------------
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# Mock-Layer für Wrapper-Tests
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# ---------------------------------------------------------
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class MockLayer:
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def __init__(
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self,
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exists=True,
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visible=True,
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layer_type="vector",
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geometry_type="Polygon",
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feature_count=10,
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crs="EPSG:25833",
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fields=None,
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source="/tmp/test.shp",
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editable=True,
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):
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self.exists = exists
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self.visible = visible
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self.layer_type = layer_type
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self.geometry_type = geometry_type
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self.feature_count = feature_count
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self.crs = crs
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self.fields = fields or []
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self.source = source
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self.editable = editable
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# ---------------------------------------------------------
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# Wrapper-Mocks (monkeypatching)
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# ---------------------------------------------------------
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def mock_layer_exists(layer):
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return layer is not None and layer.exists
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def mock_is_layer_visible(layer):
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return layer.visible
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def mock_get_layer_type(layer):
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return layer.layer_type
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def mock_get_layer_geometry_type(layer):
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return layer.geometry_type
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def mock_get_layer_feature_count(layer):
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return layer.feature_count
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def mock_get_layer_crs(layer):
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return layer.crs
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def mock_get_layer_fields(layer):
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return layer.fields
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def mock_get_layer_source(layer):
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return layer.source
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def mock_is_layer_editable(layer):
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return layer.editable
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# ---------------------------------------------------------
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# Testklasse
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# ---------------------------------------------------------
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class TestLayerpruefer(unittest.TestCase):
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def setUp(self):
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# Monkeypatching der Wrapper-Funktionen
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import sn_basis.functions.qgisqt_wrapper as wrapper
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wrapper.layer_exists = mock_layer_exists
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wrapper.is_layer_visible = mock_is_layer_visible
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wrapper.get_layer_type = mock_get_layer_type
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wrapper.get_layer_geometry_type = mock_get_layer_geometry_type
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wrapper.get_layer_feature_count = mock_get_layer_feature_count
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wrapper.get_layer_crs = mock_get_layer_crs
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wrapper.get_layer_fields = mock_get_layer_fields
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wrapper.get_layer_source = mock_get_layer_source
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wrapper.is_layer_editable = mock_is_layer_editable
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# -----------------------------------------------------
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# Tests
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# -----------------------------------------------------
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def test_layer_exists(self):
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layer = MockLayer(exists=False)
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pruefer = Layerpruefer(layer)
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ergebnis = pruefer.pruefe()
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self.assertFalse(ergebnis.ok)
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self.assertEqual(ergebnis.aktion, "layer_nicht_gefunden")
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def test_layer_unsichtbar(self):
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layer = MockLayer(visible=False)
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pruefer = Layerpruefer(layer, muss_sichtbar_sein=True)
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ergebnis = pruefer.pruefe()
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self.assertFalse(ergebnis.ok)
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self.assertEqual(ergebnis.aktion, "layer_unsichtbar")
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def test_falscher_layertyp(self):
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layer = MockLayer(layer_type="raster")
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pruefer = Layerpruefer(layer, erwarteter_layertyp="vector")
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ergebnis = pruefer.pruefe()
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self.assertFalse(ergebnis.ok)
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self.assertEqual(ergebnis.aktion, "falscher_layertyp")
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def test_falscher_geotyp(self):
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layer = MockLayer(geometry_type="Point")
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pruefer = Layerpruefer(layer, erwarteter_geotyp="Polygon")
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ergebnis = pruefer.pruefe()
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self.assertFalse(ergebnis.ok)
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self.assertEqual(ergebnis.aktion, "falscher_geotyp")
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def test_layer_leer(self):
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layer = MockLayer(feature_count=0)
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pruefer = Layerpruefer(layer)
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ergebnis = pruefer.pruefe()
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self.assertFalse(ergebnis.ok)
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self.assertEqual(ergebnis.aktion, "layer_leer")
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def test_falsches_crs(self):
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layer = MockLayer(crs="EPSG:4326")
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pruefer = Layerpruefer(layer, erwartetes_crs="EPSG:25833")
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ergebnis = pruefer.pruefe()
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self.assertFalse(ergebnis.ok)
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self.assertEqual(ergebnis.aktion, "falsches_crs")
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def test_felder_fehlen(self):
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layer = MockLayer(fields=["id"])
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pruefer = Layerpruefer(layer, erforderliche_felder=["id", "name"])
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ergebnis = pruefer.pruefe()
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self.assertFalse(ergebnis.ok)
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self.assertEqual(ergebnis.aktion, "felder_fehlen")
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def test_datenquelle_unerwartet(self):
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layer = MockLayer(source="/tmp/test.shp")
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pruefer = Layerpruefer(layer, erlaubte_datenquellen=["/tmp/allowed.shp"])
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ergebnis = pruefer.pruefe()
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self.assertFalse(ergebnis.ok)
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self.assertEqual(ergebnis.aktion, "datenquelle_unerwartet")
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def test_layer_nicht_editierbar(self):
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layer = MockLayer(editable=False)
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pruefer = Layerpruefer(layer, muss_editierbar_sein=True)
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ergebnis = pruefer.pruefe()
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self.assertFalse(ergebnis.ok)
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self.assertEqual(ergebnis.aktion, "layer_nicht_editierbar")
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def test_layer_ok(self):
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layer = MockLayer()
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pruefer = Layerpruefer(layer)
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ergebnis = pruefer.pruefe()
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self.assertTrue(ergebnis.ok)
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self.assertEqual(ergebnis.aktion, "ok")
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if __name__ == "__main__":
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unittest.main()
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