refactor: drop test classes (#1924)

tests/server/lowlevel/test_helper_types.py

@@ -10,51 +10,50 @@ by the low-level server to package resource content before sending it over the M
 from mcp.server.lowlevel.helper_types import ReadResourceContents
 
 
-class TestReadResourceContentsMetadata:
-    """Test ReadResourceContents meta field.
+def test_read_resource_contents_with_metadata():
+    """Test that ReadResourceContents accepts meta parameter.
 
     ReadResourceContents is an internal helper type used by the low-level MCP server.
     When a resource is read, the server creates a ReadResourceContents instance that
     contains the content, mime type, and now metadata. The low-level server then
     extracts the meta field and includes it in the protocol response as _meta.
     """
+    # Bridge between Resource.meta and MCP protocol _meta field (helper_types.py:11)
+    metadata = {"version": "1.0", "cached": True}
 
-    def test_read_resource_contents_with_metadata(self):
-        """Test that ReadResourceContents accepts meta parameter."""
-        # Bridge between Resource.meta and MCP protocol _meta field (helper_types.py:11)
-        metadata = {"version": "1.0", "cached": True}
+    contents = ReadResourceContents(
+        content="test content",
+        mime_type="text/plain",
+        meta=metadata,
+    )
 
-        contents = ReadResourceContents(
-            content="test content",
-            mime_type="text/plain",
-            meta=metadata,
-        )
+    assert contents.meta is not None
+    assert contents.meta == metadata
+    assert contents.meta["version"] == "1.0"
+    assert contents.meta["cached"] is True
 
-        assert contents.meta is not None
-        assert contents.meta == metadata
-        assert contents.meta["version"] == "1.0"
-        assert contents.meta["cached"] is True
 
-    def test_read_resource_contents_without_metadata(self):
-        """Test that ReadResourceContents meta defaults to None."""
-        # Ensures backward compatibility - meta defaults to None, _meta omitted from protocol (helper_types.py:11)
-        contents = ReadResourceContents(
-            content="test content",
-            mime_type="text/plain",
-        )
+def test_read_resource_contents_without_metadata():
+    """Test that ReadResourceContents meta defaults to None."""
+    # Ensures backward compatibility - meta defaults to None, _meta omitted from protocol (helper_types.py:11)
+    contents = ReadResourceContents(
+        content="test content",
+        mime_type="text/plain",
+    )
 
-        assert contents.meta is None
+    assert contents.meta is None
 
-    def test_read_resource_contents_with_bytes(self):
-        """Test that ReadResourceContents works with bytes content and meta."""
-        # Verifies meta works with both str and bytes content (binary resources like images, PDFs)
-        metadata = {"encoding": "utf-8"}
 
-        contents = ReadResourceContents(
-            content=b"binary content",
-            mime_type="application/octet-stream",
-            meta=metadata,
-        )
+def test_read_resource_contents_with_bytes():
+    """Test that ReadResourceContents works with bytes content and meta."""
+    # Verifies meta works with both str and bytes content (binary resources like images, PDFs)
+    metadata = {"encoding": "utf-8"}
 
-        assert contents.content == b"binary content"
-        assert contents.meta == metadata
+    contents = ReadResourceContents(
+        content=b"binary content",
+        mime_type="application/octet-stream",
+        meta=metadata,
+    )
+
+    assert contents.content == b"binary content"
+    assert contents.meta == metadata