def test_id_return(self):
_l = db.OGRDBReader(DBNAME, DBPORT, DBUSER)
layers = _l.get_layers()
intersections, ids = _l.intersections("trails_new",
"osm_roads_trails",
ids=True)
self.assertTrue(len(ids) > 0)
def test_generator(self):
"""Test layer generator"""
_l = db.OGRDBReader(DBNAME, DBPORT, DBUSER)
layers = _l.get_layers()
layer_iter = _l.get_layer_iter(layers[0])
f1, f2 = next(layer_iter), next(layer_iter)
self.assertTrue(f1 != None)
self.assertIsInstance(f1, ogr.Feature)
self.assertNotEqual(f1, f2)
def test_self_intersection(self):
"""Sanity-check on intersections
such that there should always be at least 1
intersection among a feature and it's source layer"""
_l = db.OGRDBReader(DBNAME, DBPORT, DBUSER)
layers = _l.get_layers()
intersections = _l.intersections(layers[0], layers[0])
isection = intersections.GetNextFeature()
self.assertTrue(isection)
def test_self_intersection_returns_intersection_point(self):
_l = db.OGRDBReader(DBNAME, DBPORT, DBUSER)
layers = _l.get_layers()
intersections = _l.intersections(
layers[0],
layers[0],
)
ifeat = intersections.GetNextFeature()
self.assertEqual(ifeat.GetGeometryRef().GetGeometryType(),
ogr.wkbPoint)
def test_get_layers(self):
"""Check that get_layers() returns a list."""
_l = db.OGRDBReader(DBNAME, DBPORT, DBUSER)
self.assertIsInstance(_l.get_layers(), list)
def test_fail(self):
"""Ensure failure to connect to datasource with nonexistent_user"""
_l = db.OGRDBReader(DBNAME, DBPORT, dbuser="******")
self.assertEqual(_l.data, None)
def test_connect(self):
_l = db.OGRDBReader(DBNAME, DBPORT, DBUSER)
self.assertTrue(_l.data)