sqlite-utils/tests/test_gis.py
2022-01-13 22:57:07 -05:00

84 lines
2.5 KiB
Python

import pytest
from sqlite_utils import gis
from sqlite_utils.db import Database
from sqlite_utils.utils import sqlite3
@pytest.mark.skipif(
not gis.find_spatialite(), reason="Could not find SpatiaLite extension"
)
@pytest.mark.skipif(
not hasattr(sqlite3.Connection, "enable_load_extension"),
reason="sqlite3.Connection missing enable_load_extension",
)
def test_find_spatialite():
spatialite = gis.find_spatialite()
assert spatialite is None or isinstance(spatialite, str)
@pytest.mark.skipif(
not gis.find_spatialite(), reason="Could not find SpatiaLite extension"
)
@pytest.mark.skipif(
not hasattr(sqlite3.Connection, "enable_load_extension"),
reason="sqlite3.Connection missing enable_load_extension",
)
def test_init_spatialite():
db = Database(memory=True)
spatialite = gis.find_spatialite()
gis.init_spatialite(db, spatialite)
assert "spatial_ref_sys" in db.table_names()
@pytest.mark.skipif(
not gis.find_spatialite(), reason="Could not find SpatiaLite extension"
)
@pytest.mark.skipif(
not hasattr(sqlite3.Connection, "enable_load_extension"),
reason="sqlite3.Connection missing enable_load_extension",
)
def test_add_geometry_column():
db = Database(memory=True)
spatialite = gis.find_spatialite()
gis.init_spatialite(db, spatialite)
# create a table first
db.create_table("locations", {"id": str, "properties": str})
gis.add_geometry_column(
db["locations"],
geometry_type="Point",
column_name="geometry",
srid=4326,
coord_dimension=2,
)
assert db["geometry_columns"].get(["locations", "geometry"]) == {
"f_table_name": "locations",
"f_geometry_column": "geometry",
"geometry_type": 1, # point
"coord_dimension": 2,
"srid": 4326,
"spatial_index_enabled": 0,
}
@pytest.mark.skipif(
not gis.find_spatialite(), reason="Could not find SpatiaLite extension"
)
@pytest.mark.skipif(
not hasattr(sqlite3.Connection, "enable_load_extension"),
reason="sqlite3.Connection missing enable_load_extension",
)
def test_create_spatial_index():
db = Database(memory=True)
spatialite = gis.find_spatialite()
gis.init_spatialite(db, spatialite)
# create a table, add a geometry column with default values
db.create_table("locations", {"id": str, "properties": str})
gis.add_geometry_column(db["locations"], "Point", "geometry")
# index it
gis.create_spatial_index(db["locations"], "geometry")
assert "idx_locations_geometry" in db.table_names()