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import re
import pytest
from sqlalchemy import Column
from sqlalchemy import MetaData
from sqlalchemy import Table
from geoalchemy2.elements import WKBElement
from geoalchemy2.elements import WKTElement
from geoalchemy2.types import Geometry
from . import select
def eq_sql(a, b):
a = re.sub(r"[\n\t]", "", str(a))
assert a == b
@pytest.fixture
def geometry_table():
table = Table("table", MetaData(), Column("geom", Geometry))
return table
@pytest.fixture(params=["raw_str", "WKTElement", "WKBElement"])
def point_reference(request):
wkt = "POINT(1 2)"
if request.param == "WKTElement":
return WKTElement(wkt)
elif request.param == "WKBElement":
return WKBElement(
b"\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\xf0?\x00\x00\x00\x00\x00\x00\x00@"
)
elif request.param == "raw_str":
return wkt
class TestOperator:
def test_eq(self, geometry_table, point_reference):
expr = geometry_table.c.geom == point_reference
eq_sql(expr, '"table".geom = ST_GeomFromEWKT(:geom_1)')
def test_eq_with_None(self, geometry_table):
expr = geometry_table.c.geom == None # NOQA
eq_sql(expr, '"table".geom IS NULL')
def test_ne(self, geometry_table, point_reference):
expr = geometry_table.c.geom != point_reference
eq_sql(expr, '"table".geom != ST_GeomFromEWKT(:geom_1)')
def test_ne_with_None(self, geometry_table):
expr = geometry_table.c.geom != None # NOQA
eq_sql(expr, '"table".geom IS NOT NULL')
def test_intersects(self, geometry_table, point_reference):
expr = geometry_table.c.geom.intersects(point_reference)
eq_sql(expr, '"table".geom && ST_GeomFromEWKT(:geom_1)')
def test_overlaps_or_to_left(self, geometry_table, point_reference):
expr = geometry_table.c.geom.overlaps_or_to_left(point_reference)
eq_sql(expr, '"table".geom &< ST_GeomFromEWKT(:geom_1)')
def test_overlaps_or_below(self, geometry_table, point_reference):
expr = geometry_table.c.geom.overlaps_or_below(point_reference)
eq_sql(expr, '"table".geom &<| ST_GeomFromEWKT(:geom_1)')
def test_overlaps_or_to_right(self, geometry_table, point_reference):
expr = geometry_table.c.geom.overlaps_or_to_right(point_reference)
eq_sql(expr, '"table".geom &> ST_GeomFromEWKT(:geom_1)')
def test_to_left(self, geometry_table, point_reference):
expr = geometry_table.c.geom.to_left(point_reference)
eq_sql(expr, '"table".geom << ST_GeomFromEWKT(:geom_1)')
def test_lshift(self, geometry_table, point_reference):
expr = geometry_table.c.geom << point_reference
eq_sql(expr, '"table".geom << ST_GeomFromEWKT(:geom_1)')
def test_below(self, geometry_table, point_reference):
expr = geometry_table.c.geom.below(point_reference)
eq_sql(expr, '"table".geom <<| ST_GeomFromEWKT(:geom_1)')
def test_to_right(self, geometry_table, point_reference):
expr = geometry_table.c.geom.to_right(point_reference)
eq_sql(expr, '"table".geom >> ST_GeomFromEWKT(:geom_1)')
def test_rshift(self, geometry_table, point_reference):
expr = geometry_table.c.geom >> point_reference
eq_sql(expr, '"table".geom >> ST_GeomFromEWKT(:geom_1)')
def test_contained(self, geometry_table, point_reference):
expr = geometry_table.c.geom.contained(point_reference)
eq_sql(expr, '"table".geom @ ST_GeomFromEWKT(:geom_1)')
def test_overlaps_or_above(self, geometry_table, point_reference):
expr = geometry_table.c.geom.overlaps_or_above(point_reference)
eq_sql(expr, '"table".geom |&> ST_GeomFromEWKT(:geom_1)')
def test_above(self, geometry_table, point_reference):
expr = geometry_table.c.geom.above(point_reference)
eq_sql(expr, '"table".geom |>> ST_GeomFromEWKT(:geom_1)')
def test_contains(self, geometry_table, point_reference):
expr = geometry_table.c.geom.contains(point_reference)
eq_sql(expr, '"table".geom ~ ST_GeomFromEWKT(:geom_1)')
def test_same(self, geometry_table, point_reference):
expr = geometry_table.c.geom.same(point_reference)
eq_sql(expr, '"table".geom ~= ST_GeomFromEWKT(:geom_1)')
def test_distance_centroid(self, geometry_table, point_reference):
expr = geometry_table.c.geom.distance_centroid(point_reference)
eq_sql(expr, '"table".geom <-> ST_GeomFromEWKT(:geom_1)')
def test_distance_centroid_select(self, geometry_table, point_reference):
s = (
geometry_table.select()
.order_by(geometry_table.c.geom.distance_centroid(point_reference))
.limit(10)
)
eq_sql(
s,
'SELECT ST_AsEWKB("table".geom) AS geom '
'FROM "table" '
'ORDER BY "table".geom <-> ST_GeomFromEWKT(:geom_1) '
"LIMIT :param_1",
)
assert s.compile().params == {"geom_1": point_reference, "param_1": 10}
def test_distance_centroid_select_with_label(self, geometry_table, point_reference):
s = select([geometry_table.c.geom.distance_centroid(point_reference).label("dc")])
s = s.order_by("dc").limit(10)
eq_sql(
s,
'SELECT "table".geom <-> ST_GeomFromEWKT(:geom_1) AS dc '
'FROM "table" ORDER BY dc LIMIT :param_1',
)
assert s.compile().params == {"geom_1": point_reference, "param_1": 10}
def test_distance_box(self, geometry_table, point_reference):
expr = geometry_table.c.geom.distance_box(point_reference)
eq_sql(expr, '"table".geom <#> ST_GeomFromEWKT(:geom_1)')
def test_distance_box_select(self, geometry_table, point_reference):
s = (
geometry_table.select()
.order_by(geometry_table.c.geom.distance_box(point_reference))
.limit(10)
)
eq_sql(
s,
'SELECT ST_AsEWKB("table".geom) AS geom '
'FROM "table" '
'ORDER BY "table".geom <#> ST_GeomFromEWKT(:geom_1) '
"LIMIT :param_1",
)
assert s.compile().params == {"geom_1": point_reference, "param_1": 10}
def test_distance_box_select_with_label(self, geometry_table, point_reference):
s = select([geometry_table.c.geom.distance_box(point_reference).label("dc")])
s = s.order_by("dc").limit(10)
eq_sql(
s,
'SELECT "table".geom <#> ST_GeomFromEWKT(:geom_1) AS dc '
'FROM "table" ORDER BY dc LIMIT :param_1',
)
assert s.compile().params == {"geom_1": point_reference, "param_1": 10}
def test_intersects_nd(self, geometry_table):
expr = geometry_table.c.geom.intersects_nd(
"Box3D(ST_GeomFromEWKT('LINESTRING(1 2 3, 3 4 5, 5 6 5)'));"
)
eq_sql(expr, '"table".geom &&& ST_GeomFromEWKT(:geom_1)')
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