s3Select: add unit test case

Signed-off-by: junxiang Mu <1948535941@qq.com>

crates/s3select-api/src/lib.rs

@@ -21,6 +21,9 @@ pub mod object_store;
 pub mod query;
 pub mod server;
 
+#[cfg(test)]
+mod test;
+
 pub type QueryResult<T> = Result<T, QueryError>;
 
 #[derive(Debug, Snafu)]
@@ -90,3 +93,82 @@ impl Display for ResolvedTable {
         write!(f, "{table}")
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use datafusion::common::DataFusionError;
+    use datafusion::sql::sqlparser::parser::ParserError;
+
+    #[test]
+    fn test_query_error_display() {
+        let err = QueryError::NotImplemented {
+            err: "feature X".to_string(),
+        };
+        assert_eq!(err.to_string(), "This feature is not implemented: feature X");
+
+        let err = QueryError::MultiStatement {
+            num: 2,
+            sql: "SELECT 1; SELECT 2;".to_string(),
+        };
+        assert_eq!(err.to_string(), "Multi-statement not allow, found num:2, sql:SELECT 1; SELECT 2;");
+
+        let err = QueryError::Cancel;
+        assert_eq!(err.to_string(), "The query has been canceled");
+
+        let err = QueryError::FunctionNotExists {
+            name: "my_func".to_string(),
+        };
+        assert_eq!(err.to_string(), "Udf not exists, name:my_func.");
+
+        let err = QueryError::StoreError {
+            e: "connection failed".to_string(),
+        };
+        assert_eq!(err.to_string(), "Store Error, e:connection failed.");
+    }
+
+    #[test]
+    fn test_query_error_from_datafusion_error() {
+        let df_error = DataFusionError::Plan("invalid plan".to_string());
+        let query_error: QueryError = df_error.into();
+
+        match query_error {
+            QueryError::Datafusion { source, .. } => {
+                assert!(source.to_string().contains("invalid plan"));
+            }
+            _ => panic!("Expected Datafusion error"),
+        }
+    }
+
+    #[test]
+    fn test_query_error_from_parser_error() {
+        let parser_error = ParserError::ParserError("syntax error".to_string());
+        let query_error = QueryError::Parser { source: parser_error };
+
+        assert!(query_error.to_string().contains("syntax error"));
+    }
+
+    #[test]
+    fn test_resolved_table() {
+        let table = ResolvedTable {
+            table: "my_table".to_string(),
+        };
+
+        assert_eq!(table.table(), "my_table");
+        assert_eq!(table.to_string(), "my_table");
+    }
+
+    #[test]
+    fn test_resolved_table_clone_and_eq() {
+        let table1 = ResolvedTable {
+            table: "table1".to_string(),
+        };
+        let table2 = table1.clone();
+        let table3 = ResolvedTable {
+            table: "table2".to_string(),
+        };
+
+        assert_eq!(table1, table2);
+        assert_ne!(table1, table3);
+    }
+}

crates/s3select-api/src/test/mod.rs

@@ -0,0 +1,17 @@
+// Copyright 2024 RustFS Team
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//! Test modules for s3select-api
+
+pub mod query_execution_test;

crates/s3select-api/src/test/query_execution_test.rs

@@ -0,0 +1,167 @@
+// Copyright 2024 RustFS Team
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#[cfg(test)]
+mod tests {
+    use crate::query::execution::{DONE, Output, QueryExecution, QueryState, QueryType, RUNNING};
+    use crate::{QueryError, QueryResult};
+    use async_trait::async_trait;
+
+    #[test]
+    fn test_query_type_display() {
+        assert_eq!(format!("{}", QueryType::Batch), "batch");
+        assert_eq!(format!("{}", QueryType::Stream), "stream");
+    }
+
+    #[test]
+    fn test_query_type_equality() {
+        assert_eq!(QueryType::Batch, QueryType::Batch);
+        assert_ne!(QueryType::Batch, QueryType::Stream);
+        assert_eq!(QueryType::Stream, QueryType::Stream);
+    }
+
+    #[tokio::test]
+    async fn test_output_nil_methods() {
+        let output = Output::Nil(());
+
+        let result = output.chunk_result().await;
+        assert!(result.is_ok(), "Output::Nil result should be Ok");
+
+        let output2 = Output::Nil(());
+        let rows = output2.num_rows().await;
+        assert_eq!(rows, 0, "Output::Nil should have 0 rows");
+
+        let output3 = Output::Nil(());
+        let affected = output3.affected_rows().await;
+        assert_eq!(affected, 0, "Output::Nil should have 0 affected rows");
+    }
+
+    #[test]
+    fn test_query_state_as_ref() {
+        let accepting = QueryState::ACCEPTING;
+        assert_eq!(accepting.as_ref(), "ACCEPTING");
+
+        let running = QueryState::RUNNING(RUNNING::ANALYZING);
+        assert_eq!(running.as_ref(), "ANALYZING");
+
+        let done = QueryState::DONE(DONE::FINISHED);
+        assert_eq!(done.as_ref(), "FINISHED");
+    }
+
+    #[test]
+    fn test_running_state_as_ref() {
+        assert_eq!(RUNNING::DISPATCHING.as_ref(), "DISPATCHING");
+        assert_eq!(RUNNING::ANALYZING.as_ref(), "ANALYZING");
+        assert_eq!(RUNNING::OPTMIZING.as_ref(), "OPTMIZING");
+        assert_eq!(RUNNING::SCHEDULING.as_ref(), "SCHEDULING");
+    }
+
+    #[test]
+    fn test_done_state_as_ref() {
+        assert_eq!(DONE::FINISHED.as_ref(), "FINISHED");
+        assert_eq!(DONE::FAILED.as_ref(), "FAILED");
+        assert_eq!(DONE::CANCELLED.as_ref(), "CANCELLED");
+    }
+
+    // Mock implementation for testing
+    struct MockQueryExecution {
+        should_succeed: bool,
+        should_cancel: bool,
+    }
+
+    #[async_trait]
+    impl QueryExecution for MockQueryExecution {
+        async fn start(&self) -> QueryResult<Output> {
+            if self.should_cancel {
+                return Err(QueryError::Cancel);
+            }
+
+            if self.should_succeed {
+                Ok(Output::Nil(()))
+            } else {
+                Err(QueryError::NotImplemented {
+                    err: "Mock execution failed".to_string(),
+                })
+            }
+        }
+
+        fn cancel(&self) -> QueryResult<()> {
+            Ok(())
+        }
+    }
+
+    #[tokio::test]
+    async fn test_mock_query_execution_success() {
+        let execution = MockQueryExecution {
+            should_succeed: true,
+            should_cancel: false,
+        };
+
+        let result = execution.start().await;
+        assert!(result.is_ok(), "Mock execution should succeed");
+
+        if let Ok(Output::Nil(_)) = result {
+            // Expected result
+        } else {
+            panic!("Expected Output::Nil");
+        }
+    }
+
+    #[tokio::test]
+    async fn test_mock_query_execution_failure() {
+        let execution = MockQueryExecution {
+            should_succeed: false,
+            should_cancel: false,
+        };
+
+        let result = execution.start().await;
+        assert!(result.is_err(), "Mock execution should fail");
+
+        if let Err(QueryError::NotImplemented { .. }) = result {
+            // Expected error
+        } else {
+            panic!("Expected NotImplemented error");
+        }
+    }
+
+    #[tokio::test]
+    async fn test_mock_query_execution_cancel() {
+        let execution = MockQueryExecution {
+            should_succeed: false,
+            should_cancel: true,
+        };
+
+        let result = execution.start().await;
+        assert!(result.is_err(), "Cancelled execution should fail");
+
+        if let Err(QueryError::Cancel) = result {
+            // Expected cancellation error
+        } else {
+            panic!("Expected Cancel error");
+        }
+
+        let cancel_result = execution.cancel();
+        assert!(cancel_result.is_ok(), "Cancel should succeed");
+    }
+
+    #[test]
+    fn test_query_execution_default_type() {
+        let execution = MockQueryExecution {
+            should_succeed: true,
+            should_cancel: false,
+        };
+
+        assert_eq!(execution.query_type(), QueryType::Batch);
+    }
+}