🧪 Add unit tests for Labels string parsing

src/enapter/http/api/telemetry/labels.py

@@ -6,7 +6,9 @@ class Labels(collections.UserDict):
 
     @classmethod
     def parse(cls, s: str) -> Self:
-        return cls(kv.split("=") for kv in s.split(" "))
+        if not s:
+            return cls()
+        return cls(kv.split("=") for kv in s.split(" ") if kv)
 
     @property
     def device(self) -> str:

tests/unit/test_http/test_api/test_telemetry/test_labels.py

@@ -0,0 +1,27 @@
+from enapter.http.api.telemetry.labels import Labels
+
+
+def test_parse_multiple_labels():
+    s = "device=foo telemetry=bar custom=baz"
+    labels = Labels.parse(s)
+    assert labels == {"device": "foo", "telemetry": "bar", "custom": "baz"}
+    assert labels.device == "foo"
+    assert labels.telemetry == "bar"
+
+
+def test_parse_single_label():
+    s = "device=only"
+    labels = Labels.parse(s)
+    assert labels == {"device": "only"}
+    assert labels.device == "only"
+
+
+def test_parse_empty_string():
+    labels = Labels.parse("")
+    assert labels == {}
+
+
+def test_parse_multiple_spaces():
+    s = "device=foo  telemetry=bar "
+    labels = Labels.parse(s)
+    assert labels == {"device": "foo", "telemetry": "bar"}