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test(mcp): wait for the seated index before pinning serving_branch #1889

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Merged
ScriptedAlchemy merged 1 commit into from
Sep 20, 2026
Merged

test(mcp): wait for the seated index before pinning serving_branch #1889

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7 changes: 6 additions & 1 deletion crates/tracedecay/tests/mcp_suite/mcp_handler_test/active_project_test.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@ use tracedecay_runtime_core::storage::pin_fixture_repository_identity;

use crate::support::{
TestTempDir, extract_real_server_text, handle_real_server_tool_call,
handle_real_server_tool_call_raw, test_temp_dir,
handle_real_server_tool_call_raw, test_temp_dir, wait_for_code_index_generation,
};

const PROJECT_ID: &str = "proj_active_proof";
Expand All @@ -37,6 +37,11 @@ async fn active_project_reports_the_opened_checkout() {
.harness
.server(&opened.project_root)
.expect("mounted production server");
// `serving_branch` names the branch of the seated, current code index.
// Open returns before the first generation seats, so the payload read
// straight after open is a truthful `null` and not the exact answer this
// test pins. Wait for the seat first.
wait_for_code_index_generation(&server, "active_project_marker").await;

let payload = call_json(&server, json!({"format": "json"})).await;
assert_identity(&opened, &payload);
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