test: add tests for node class initialization

Implement comprehensive test suite for Node class functionality:
- Test basic initialization and attribute setting
- Validate URL parsing with Node.from_url method
- Add error handling tests for invalid URL inputs
- Ensure correct URL generation with url() method

Author: tharropoulos

tests/__init__.py

@@ -0,0 +1,41 @@
+import pytest
+
+from src.typesense.configuration import Node
+from src.typesense.exceptions import ConfigError
+
+
+def test_node_initialization():
+    node = Node(host="localhost", port=8108, path="/path", protocol="http")
+    assert node.host == "localhost"
+    assert node.port == 8108
+    assert node.path == "/path"
+    assert node.protocol == "http"
+    assert node.healthy is True
+
+
+def test_node_from_url():
+    node = Node.from_url("http://localhost:8108/path")
+    assert node.host == "localhost"
+    assert node.port == 8108
+    assert node.path == "/path"
+    assert node.protocol == "http"
+
+
+def test_node_from_url_missing_hostname():
+    with pytest.raises(ConfigError, match="Node URL does not contain the host name."):
+        Node.from_url("http://:8108/path")
+
+
+def test_node_from_url_missing_port():
+    with pytest.raises(ConfigError, match="Node URL does not contain the port."):
+        Node.from_url("http://localhost:/path")
+
+
+def test_node_from_url_missing_scheme():
+    with pytest.raises(ConfigError, match="Node URL does not contain the protocol."):
+        Node.from_url("//localhost:8108/path")
+
+
+def test_node_url():
+    node = Node(host="localhost", port=8108, path="/path", protocol="http")
+    assert node.url() == "http://localhost:8108/path"