Show code and domain in bsonc error debug output

src/bsonc.rs

@@ -147,6 +147,6 @@ mod tests {
         assert!(bsonc_result.is_err());
 
         let error_message = format!("{:?}", bsonc_result.err().unwrap());
-        assert!(error_message.starts_with("MongoError (BsoncError: parse error: premature EOF"));
+        assert!(error_message.starts_with("MongoError (BsoncError: Client/StreamInvalidType - parse error: premature EOF"));
     }
 }

src/error.rs

@@ -226,7 +226,13 @@ impl BsoncError {
 
 impl fmt::Debug for BsoncError {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        write!(f, "BsoncError: {}", &self.get_message())
+        write!(
+            f,
+            "BsoncError: {:?}/{:?} - {}",
+            &self.domain(),
+            &self.code(),
+            &self.get_message()
+        )
     }
 }
 

tests/bulk_operation.rs

@@ -15,7 +15,7 @@ fn test_execute_error() {
     assert!(result.is_err());
 
     let error_message = format!("{:?}", result.err().unwrap());
-    assert_eq!(error_message, "MongoError (BsoncError: Cannot do an empty bulk write)");
+    assert_eq!(error_message, "MongoError (BsoncError: Command/CommandInvalidArg - Cannot do an empty bulk write)");
 }
 
 #[test]

tests/collection.rs

@@ -133,7 +133,7 @@ fn test_insert_failure() {
     let result = collection.insert(&document, None);
     assert!(result.is_err());
     assert_eq!(
-        "MongoError (BsoncError: Failed to connect to target host: localhost:27018)",
+        "MongoError (BsoncError: Stream/StreamConnect - Failed to connect to target host: localhost:27018)",
         format!("{:?}", result.err().unwrap())
     );
 }

tests/cursor.rs

@@ -52,7 +52,7 @@ fn test_tailing_cursor() {
     let failing_result = failing_cursor.into_iter().next().unwrap();
     assert!(failing_result.is_err());
     assert_eq!(
-        "MongoError (BsoncError: Unable to execute query: error processing query: ns=rust_test.not_capped limit=0 skip=0\nTree: $and\nSort: {}\nProj: {}\n tailable cursor requested on non capped collection)",
+        "MongoError (BsoncError: Query/Unknown - Unable to execute query: error processing query: ns=rust_test.not_capped limit=0 skip=0\nTree: $and\nSort: {}\nProj: {}\n tailable cursor requested on non capped collection)",
         format!("{:?}", failing_result.err().unwrap())
     );