Add reading node from XML test.

test/test_osm_reader.py

@@ -0,0 +1,42 @@
+"""
+Test OSM XML parsing.
+"""
+import numpy as np
+from roentgen.osm_reader import OSMNode, OSMReader, OSMRelation, OSMWay
+
+
+def test_node() -> None:
+    """
+    Test OSM node parsing from XML.
+    """
+    reader = OSMReader()
+    map_ = reader.parse_osm_text(
+        """<?xml version="1.0"?>
+<osm>
+  <node id="42" lon="5" lat="10" />
+</osm>"""
+    )
+    assert 42 in map_.node_map
+    node: OSMNode = map_.node_map[42]
+    assert node.id_ == 42
+    assert np.allclose(node.coordinates, np.array([10, 5]))
+
+
+def test_node_with_tag() -> None:
+    """
+    Test OSM node parsing from XML.
+    """
+    reader = OSMReader()
+    map_ = reader.parse_osm_text(
+        """<?xml version="1.0"?>
+<osm>
+  <node id="42" lon="5" lat="10">
+    <tag k="key" v="value" />
+  </node>
+</osm>"""
+    )
+    assert 42 in map_.node_map
+    node: OSMNode = map_.node_map[42]
+    assert node.id_ == 42
+    assert np.allclose(node.coordinates, np.array([10, 5]))
+    assert node.tags["key"] == "value"