Add first test for ac_server

cas/grpc_service/BUILD

@@ -61,3 +61,16 @@ rust_test(
         "//third_party:tokio",
     ],
 )
+
+rust_test(
+    name = "ac_server_test",
+    srcs = ["tests/ac_server_test.rs"],
+    deps = [
+        ":ac_server",
+        "//cas/store",
+        "//util:macros",
+        "//proto",
+        "//third_party:tonic",
+        "//third_party:tokio",
+    ],
+)

cas/grpc_service/tests/ac_server_test.rs

@@ -0,0 +1,45 @@
+// Copyright 2020 Nathan (Blaise) Bruer.  All rights reserved.
+
+use tonic::{Code, Request};
+
+use proto::build::bazel::remote::execution::v2::Digest;
+
+use ac_server::AcServer;
+use proto::build::bazel::remote::execution::v2::action_cache_server::ActionCache;
+use store::{create_store, StoreType};
+
+const INSTANCE_NAME: &str = "foo";
+const HASH1: &str = "0123456789abcdef000000000000000000000000000000000123456789abcdef";
+
+#[cfg(test)]
+mod get_action_results {
+    use super::*;
+
+    use proto::build::bazel::remote::execution::v2::GetActionResultRequest;
+
+    #[tokio::test]
+    #[ignore]
+    async fn empty_store() {
+        let ac_store = create_store(&StoreType::Memory);
+        let cas_store = create_store(&StoreType::Memory);
+        let ac_server = AcServer::new(ac_store.clone(), cas_store.clone());
+
+        let raw_response = ac_server
+            .get_action_result(Request::new(GetActionResultRequest {
+                instance_name: INSTANCE_NAME.to_string(),
+                action_digest: Some(Digest {
+                    hash: HASH1.to_string(),
+                    size_bytes: 0,
+                }),
+                inline_stdout: false,
+                inline_stderr: false,
+                inline_output_files: vec![],
+            }))
+            .await;
+
+        assert!(raw_response.is_err());
+        let err = raw_response.unwrap_err();
+        assert_eq!(err.code(), Code::NotFound);
+        assert_eq!(err.message(), format!("Hash {} not found", HASH1));
+    }
+}