test: added integration tests for inter-feature interactions like RAG + Agents, function calling/MCP servers, etc.

src/rag/mod.rs

@@ -1280,7 +1280,11 @@ mod tests {
         ];
         for ext in known {
             let seps = get_separators(ext);
-            assert_ne!(seps, DEFAULT_SEPARATORS.to_vec(), "Extension '{ext}' should have language-specific separators");
+            assert_ne!(
+                seps,
+                DEFAULT_SEPARATORS.to_vec(),
+                "Extension '{ext}' should have language-specific separators"
+            );
         }
     }
 

src/rag/splitter/mod.rs

@@ -171,7 +171,6 @@ impl RecursiveCharacterTextSplitter {
             }
         }
 
-        // Now that we have the separator, split the text
         let splits = split_on_separator(text, &separator, keep_separator);
 
         // Now go merging things, recursively splitting longer texts.