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fix: empty result type on prom query endpoint (#1732)

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* adjust return type

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

* add test case

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

---------

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>
This commit is contained in:
Ruihang Xia
2023-06-06 15:40:54 +08:00
committed by GitHub
parent a103614fd2
commit 7a60bfec2a
3 changed files with 94 additions and 45 deletions
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32
tests-integration/tests/grpc.rs
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@@ -415,7 +415,7 @@ pub async fn test_prom_gateway_query(store_type: StorageType) {
step: "5s".to_string(),
};
let range_query_request: PromqlRequest = PromqlRequest {
header: Some(header),
header: Some(header.clone()),
promql: Some(Promql::RangeQuery(range_query)),
};
let json_bytes = gateway_client
@@ -458,6 +458,36 @@ pub async fn test_prom_gateway_query(store_type: StorageType) {
};
assert_eq!(range_query_result, expected);
// query nonexistent data
let range_query = PromRangeQuery {
query: "test".to_string(),
start: "1000000000".to_string(),
end: "1000001000".to_string(),
step: "5s".to_string(),
};
let range_query_request: PromqlRequest = PromqlRequest {
header: Some(header),
promql: Some(Promql::RangeQuery(range_query)),
};
let json_bytes = gateway_client
.handle(range_query_request)
.await
.unwrap()
.into_inner()
.body;
let range_query_result = serde_json::from_slice::<PromJsonResponse>(&json_bytes).unwrap();
let expected = PromJsonResponse {
status: "success".to_string(),
data: PromResponse::PromData(PromData {
result_type: "matrix".to_string(),
result: vec![],
}),
error: None,
error_type: None,
warnings: None,
};
assert_eq!(range_query_result, expected);
// clean up
let _ = fe_grpc_server.shutdown().await;
guard.remove_all().await;