v0.1.0-pre.011

kb-lib/tests/external_executor_api.rs

@@ -0,0 +1,46 @@
+// file: kb-lib/tests/external_executor_api.rs
+// version: 1
+
+//! Downstream-style compilation contract for externally implemented executors.
+
+struct ExternalExecutor;
+
+impl kb_lib::ExApiInstructionExecutor for ExternalExecutor {
+    fn executor_name(&self) -> &'static str {
+        return "external_executor";
+    }
+
+    fn executor_version(&self) -> &'static str {
+        return "1";
+    }
+
+    fn program_ids(&self) -> &'static [&'static str] {
+        return &[];
+    }
+
+    fn supports_request(
+        &self,
+        _request: &kb_lib::ExApiExecutionRequest,
+    ) -> kb_lib::ExApiExecutionSupport {
+        return kb_lib::ExApiExecutionSupport::No;
+    }
+
+    fn build_plan(
+        &self,
+        request: &kb_lib::ExApiExecutionRequest,
+    ) -> kb_core::Result<kb_lib::ExApiExecutionPlan> {
+        return std::result::Result::Ok(kb_lib::ExApiExecutionPlan {
+            executor_name: self.executor_name().to_string(),
+            instruction_count: 0,
+            payload_json: request.payload_json.clone(),
+        });
+    }
+}
+
+#[test]
+fn external_executor_uses_only_the_public_kb_lib_contract() {
+    let executor: &dyn kb_lib::ExApiInstructionExecutor = &ExternalExecutor;
+    assert_eq!(executor.executor_name(), "external_executor");
+    assert_eq!(executor.executor_version(), "1");
+    assert!(executor.program_ids().is_empty());
+}