Added test and small date fix.

tests/test_geometry.py

@@ -0,0 +1,40 @@
+# tests/test_geometry.py
+
+import pytest
+from tools.geometry import Point, Line, Polygon, Coordinate
+
+
+def test_coordinate_to_point():
+    coord = Coordinate(lat=56.2006, long=12.5553)
+    p1 = coord.to_Point()
+    assert p1.x == 56.2006
+    assert p1.y == 12.5553
+
+    p2 = coord.to_Point(reversed=True)
+    assert p2.x == 12.5553
+    assert p2.y == 56.2006
+
+
+def test_line_distance_to_point():
+    # A straight line from (0,0) to (10,0)
+    line = Line(Point(0, 0), Point(10, 0))
+
+    # Point exactly in the middle, 5 units above
+    dist1 = line.distance_to_point(Point(5, 5))
+    assert dist1 == 5.0
+
+    # Point way past the end of the line (closest point is the end (10,0))
+    dist2 = line.distance_to_point(Point(13, 4))
+    assert dist2 == 5.0  # 3-4-5 right triangle from (10,0) to (13,4)
+
+
+def test_polygon_contains():
+    # A simple 10x10 square
+    square = Polygon([[0, 0], [10, 0], [10, 10], [0, 10]])
+
+    # Inside
+    assert square.contains(Point(5, 5)) is True
+    # Outside
+    assert square.contains(Point(15, 5)) is False
+    # On the line (Edge case)
+    assert square.contains(Point(10, 5)) is True