From 3a5528d9267091caed9bca9786f2af54d80bc80d Mon Sep 17 00:00:00 2001
From: Chris Olszewski <chris.olszewski@temporal.io>
Date: Fri, 4 Sep 2026 10:09:24 -0400
Subject: [PATCH] test(rust): add query/successful_query

---
 features/query/successful_query/feature.rs | 114 +++++++++++++++++++++
 1 file changed, 114 insertions(+)
 create mode 100644 features/query/successful_query/feature.rs

diff --git a/features/query/successful_query/feature.rs b/features/query/successful_query/feature.rs
new file mode 100644
index 00000000..95518f64
--- /dev/null
+++ b/features/query/successful_query/feature.rs
@@ -0,0 +1,114 @@
+use anyhow::{Result, ensure};
+use temporalio_client::{
+    WorkflowGetResultOptions, WorkflowQueryOptions, WorkflowSignalOptions,
+};
+use temporalio_features_harness::{Feature, FeatureContext, async_trait};
+use temporalio_macros::{workflow, workflow_methods};
+use temporalio_sdk::{
+    SyncWorkflowContext, WorkerOptions, WorkflowContext, WorkflowContextView, WorkflowResult,
+};
+
+#[workflow]
+#[derive(Default)]
+pub struct SuccessfulQueryWorkflow {
+    counter: i32,
+}
+
+#[workflow_methods]
+impl SuccessfulQueryWorkflow {
+    #[run]
+    pub async fn run(ctx: &mut WorkflowContext<Self>) -> WorkflowResult<()> {
+        ctx.wait_condition(|state| state.counter == 5).await?;
+        Ok(())
+    }
+
+    #[signal(name = "counterInc")]
+    pub fn increment(&mut self, _ctx: &mut SyncWorkflowContext<Self>) {
+        self.counter += 1;
+    }
+
+    #[query(name = "counterQ")]
+    pub fn counter(&self, _ctx: &WorkflowContextView) -> i32 {
+        self.counter
+    }
+}
+
+struct SuccessfulQueryFeature;
+
+#[async_trait]
+impl Feature for SuccessfulQueryFeature {
+    fn worker_options(&self, mut worker_options: WorkerOptions) -> Result<WorkerOptions> {
+        worker_options.register_workflow::<SuccessfulQueryWorkflow>()?;
+        Ok(worker_options)
+    }
+
+    async fn execute(&self, context: FeatureContext) -> Result<()> {
+        let handle = context
+            .client
+            .start_workflow(
+                SuccessfulQueryWorkflow::run,
+                (),
+                context.workflow_start_options(),
+            )
+            .await?;
+
+        let result = handle
+            .query(
+                SuccessfulQueryWorkflow::counter,
+                (),
+                WorkflowQueryOptions::default(),
+            )
+            .await?;
+        ensure!(result == 0, "expected counter 0, got {result}");
+
+        handle
+            .signal(
+                SuccessfulQueryWorkflow::increment,
+                (),
+                WorkflowSignalOptions::default(),
+            )
+            .await?;
+        let result = handle
+            .query(
+                SuccessfulQueryWorkflow::counter,
+                (),
+                WorkflowQueryOptions::default(),
+            )
+            .await?;
+        ensure!(result == 1, "expected counter 1, got {result}");
+
+        for _ in 0..3 {
+            handle
+                .signal(
+                    SuccessfulQueryWorkflow::increment,
+                    (),
+                    WorkflowSignalOptions::default(),
+                )
+                .await?;
+        }
+        let result = handle
+            .query(
+                SuccessfulQueryWorkflow::counter,
+                (),
+                WorkflowQueryOptions::default(),
+            )
+            .await?;
+        ensure!(result == 4, "expected counter 4, got {result}");
+
+        handle
+            .signal(
+                SuccessfulQueryWorkflow::increment,
+                (),
+                WorkflowSignalOptions::default(),
+            )
+            .await?;
+        handle
+            .get_result(WorkflowGetResultOptions::default())
+            .await?;
+        Ok(())
+    }
+}
+
+pub fn feature() -> impl Feature {
+    SuccessfulQueryFeature
+}