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"""Tests for base classes."""
import unittest
from unittest.mock import ANY, MagicMock
from aio_geojson_client.geojson_distance_helper import GeoJsonDistanceHelper
from aio_geojson_client.geometries.point import Point
from aio_geojson_client.geometries.polygon import Polygon
class TestGeoJsonDistanceHelper(unittest.TestCase):
"""Tests for the GeoJSON distance helper."""
def test_extract_coordinates_from_point(self):
"""Test extracting coordinates from point."""
point = Point(-30.0, 151.0)
latitude, longitude = GeoJsonDistanceHelper.extract_coordinates(point)
assert latitude == -30.0
assert longitude == 151.0
def test_extract_coordinates_from_polygon(self):
"""Test extracting coordinates from polygon."""
polygon = Polygon(
[
Point(-30.0, 151.0),
Point(-30.0, 151.5),
Point(-30.5, 151.5),
Point(-30.5, 151.0),
Point(-30.0, 151.0),
]
)
latitude, longitude = GeoJsonDistanceHelper.extract_coordinates(polygon)
self.assertAlmostEqual(latitude, -30.2, 1)
self.assertAlmostEqual(longitude, 151.2, 1)
def test_extract_coordinates_from_unsupported_geometry(self):
"""Test extracting coordinates from unsupported geometry."""
mock_unsupported_geometry = MagicMock()
latitude, longitude = GeoJsonDistanceHelper.extract_coordinates(
mock_unsupported_geometry
)
self.assertIsNone(latitude)
self.assertIsNone(longitude)
def test_distance_to_point(self):
"""Test calculating distance to point."""
home_coordinates = (-31.0, 150.0)
point = Point(-30.0, 151.0)
distance = GeoJsonDistanceHelper.distance_to_geometry(home_coordinates, point)
self.assertAlmostEqual(distance, 146.8, 1)
def test_distance_to_polygon_1(self):
"""Test calculating distance to point."""
home_coordinates = (-31.0, 150.0)
polygon = Polygon(
[
Point(-30.0, 151.0),
Point(-30.0, 151.5),
Point(-30.5, 151.5),
Point(-30.5, 151.0),
Point(-30.0, 151.0),
]
)
distance = GeoJsonDistanceHelper.distance_to_geometry(home_coordinates, polygon)
self.assertAlmostEqual(distance, 110.6, 1)
def test_distance_to_polygon_2(self):
"""Test calculating distance to polygon."""
home_coordinates = (-30.2, 151.2)
polygon = Polygon(
[
Point(-30.0, 151.0),
Point(-30.0, 151.5),
Point(-30.5, 151.5),
Point(-30.5, 151.0),
Point(-30.0, 151.0),
]
)
distance = GeoJsonDistanceHelper.distance_to_geometry(home_coordinates, polygon)
self.assertAlmostEqual(distance, 0.0, 1)
def test_distance_to_polygon_3(self):
"""Test calculating distance to polygon."""
home_coordinates = (-29.0, 151.2)
polygon = Polygon(
[
Point(-30.0, 151.0),
Point(-30.0, 151.5),
Point(-30.5, 151.5),
Point(-30.5, 151.0),
Point(-30.0, 151.0),
]
)
distance = GeoJsonDistanceHelper.distance_to_geometry(home_coordinates, polygon)
self.assertAlmostEqual(distance, 111.2, 1)
def test_distance_to_polygon_4(self):
"""Test calculating distance to polygon."""
home_coordinates = (30.0, 151.3)
polygon = Polygon(
[
Point(30.0, 151.0),
Point(30.0, 151.5),
Point(30.5, 151.5),
Point(30.5, 151.0),
Point(30.0, 151.0),
]
)
distance = GeoJsonDistanceHelper.distance_to_geometry(home_coordinates, polygon)
self.assertAlmostEqual(distance, 0.0, 1)
def test_distance_to_polygon_5(self):
"""Test calculating distance to polygon."""
polygon = Polygon(
[
Point(30.0, 179.0),
Point(30.0, -179.5),
Point(30.5, -179.5),
Point(30.5, 179.0),
Point(30.0, 179.0),
]
)
home_coordinates = (30.2, -177.0)
distance = GeoJsonDistanceHelper.distance_to_geometry(home_coordinates, polygon)
self.assertAlmostEqual(distance, 240.3, 1)
home_coordinates = (30.1, 178.0)
distance = GeoJsonDistanceHelper.distance_to_geometry(home_coordinates, polygon)
self.assertAlmostEqual(distance, 96.2, 1)
home_coordinates = (31.0, -179.8)
distance = GeoJsonDistanceHelper.distance_to_geometry(home_coordinates, polygon)
self.assertAlmostEqual(distance, 55.6, 1)
home_coordinates = (31.0, 179.8)
distance = GeoJsonDistanceHelper.distance_to_geometry(home_coordinates, polygon)
self.assertAlmostEqual(distance, 55.6, 1)
def test_distance_to_polygon_6(self):
"""Test calculating distance to polygon."""
polygon = Polygon(
[
Point(-30.0, 179.0),
Point(-30.0, -179.5),
Point(-29.5, -179.5),
Point(-29.5, 179.0),
Point(-30.0, 179.0),
]
)
home_coordinates = (-29.8, -177.0)
distance = GeoJsonDistanceHelper.distance_to_geometry(home_coordinates, polygon)
self.assertAlmostEqual(distance, 241.2, 1)
home_coordinates = (-29.9, 178.0)
distance = GeoJsonDistanceHelper.distance_to_geometry(home_coordinates, polygon)
self.assertAlmostEqual(distance, 96.4, 1)
home_coordinates = (-29.0, -179.8)
distance = GeoJsonDistanceHelper.distance_to_geometry(home_coordinates, polygon)
self.assertAlmostEqual(distance, 55.6, 1)
home_coordinates = (-29.0, 179.8)
distance = GeoJsonDistanceHelper.distance_to_geometry(home_coordinates, polygon)
self.assertAlmostEqual(distance, 55.6, 1)
def test_distance_to_unsupported_geometry(self):
"""Test calculating distance to unsupported geometry."""
home_coordinates = (-31.0, 150.0)
mock_unsupported_geometry = MagicMock()
distance = GeoJsonDistanceHelper.distance_to_geometry(
home_coordinates, mock_unsupported_geometry
)
assert distance == float("inf")
def test_perpendicular_point_edge_case(self):
"""Test edge case when calculating perpendicular point."""
edge = (Point(-31.0, 150.0), Point(-31.0, 150.0))
result = GeoJsonDistanceHelper._perpendicular_point(edge, ANY)
assert result is None
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