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-rw-r--r--tvix/store/src/proto/tests/grpc_directoryservice.rs262
-rw-r--r--tvix/store/src/proto/tests/mod.rs1
2 files changed, 263 insertions, 0 deletions
diff --git a/tvix/store/src/proto/tests/grpc_directoryservice.rs b/tvix/store/src/proto/tests/grpc_directoryservice.rs
new file mode 100644
index 000000000000..58d49811f081
--- /dev/null
+++ b/tvix/store/src/proto/tests/grpc_directoryservice.rs
@@ -0,0 +1,262 @@
+use crate::directoryservice::SledDirectoryService;
+use crate::proto::directory_service_server::DirectoryService as GRPCDirectoryService;
+use crate::proto::get_directory_request::ByWhat;
+use crate::proto::{Directory, DirectoryNode, SymlinkNode};
+use crate::proto::{GRPCDirectoryServiceWrapper, GetDirectoryRequest};
+use lazy_static::lazy_static;
+use std::path::Path;
+use tempfile::TempDir;
+use tokio_stream::StreamExt;
+use tonic::Status;
+
+lazy_static! {
+    static ref DIRECTORY_A: Directory = Directory::default();
+    static ref DIRECTORY_B: Directory = Directory {
+        directories: vec![DirectoryNode {
+            name: "a".to_string(),
+            digest: DIRECTORY_A.digest(),
+            size: DIRECTORY_A.size(),
+        }],
+        ..Default::default()
+    };
+    static ref DIRECTORY_C: Directory = Directory {
+        directories: vec![
+            DirectoryNode {
+                name: "a".to_string(),
+                digest: DIRECTORY_A.digest(),
+                size: DIRECTORY_A.size(),
+            },
+            DirectoryNode {
+                name: "a'".to_string(),
+                digest: DIRECTORY_A.digest(),
+                size: DIRECTORY_A.size(),
+            }
+        ],
+        ..Default::default()
+    };
+}
+
+fn gen_grpc_service(p: &Path) -> GRPCDirectoryServiceWrapper<SledDirectoryService> {
+    let directory_service = SledDirectoryService::new(p.join("directories")).unwrap();
+    GRPCDirectoryServiceWrapper::from(directory_service)
+}
+
+/// Send the specified GetDirectoryRequest.
+/// Returns an error in the case of an error response, or an error in one of
+// the items in the stream, or a Vec<Directory> in the case of a successful
+/// request.
+async fn get_directories<S: GRPCDirectoryService>(
+    svc: &S,
+    get_directory_request: GetDirectoryRequest,
+) -> Result<Vec<Directory>, Status> {
+    let resp = svc.get(tonic::Request::new(get_directory_request)).await;
+
+    // if the response is an error itself, return the error, otherwise unpack
+    let stream = match resp {
+        Ok(resp) => resp,
+        Err(status) => return Err(status),
+    }
+    .into_inner();
+
+    let directory_results: Vec<Result<Directory, Status>> = stream.collect().await;
+
+    // turn Vec<Result<Directory, Status> into Result<Vec<Directory>,Status>
+    directory_results.into_iter().collect()
+}
+
+/// Trying to get a non-existent Directory should return a not found error.
+#[tokio::test]
+async fn not_found() {
+    let service = gen_grpc_service(TempDir::new().unwrap().path());
+
+    let resp = service
+        .get(tonic::Request::new(GetDirectoryRequest {
+            by_what: Some(ByWhat::Digest(DIRECTORY_A.digest())),
+            ..Default::default()
+        }))
+        .await;
+
+    let mut rx = resp.expect("must succeed").into_inner().into_inner();
+
+    // The stream should contain one element, an error with Code::NotFound.
+    let item = rx
+        .recv()
+        .await
+        .expect("must be some")
+        .expect_err("must be err");
+    assert_eq!(item.code(), tonic::Code::NotFound);
+
+    // … and nothing else
+    assert!(rx.recv().await.is_none());
+}
+
+/// Put a Directory into the store, get it back.
+#[tokio::test]
+async fn put_get() {
+    let service = gen_grpc_service(TempDir::new().unwrap().path());
+
+    let streaming_request = tonic_mock::streaming_request(vec![DIRECTORY_A.clone()]);
+    let put_resp = service
+        .put(streaming_request)
+        .await
+        .expect("must succeed")
+        .into_inner();
+
+    // the sent root_digest should match the calculated digest
+    assert_eq!(put_resp.root_digest, DIRECTORY_A.digest());
+
+    // get it back
+    let items = get_directories(
+        &service,
+        GetDirectoryRequest {
+            by_what: Some(ByWhat::Digest(DIRECTORY_A.digest().to_vec())),
+            ..Default::default()
+        },
+    )
+    .await
+    .expect("must not error");
+
+    assert_eq!(vec![DIRECTORY_A.clone()], items);
+}
+
+/// Put multiple Directories into the store, and get them back
+#[tokio::test]
+async fn put_get_multiple() {
+    let service = gen_grpc_service(TempDir::new().unwrap().path());
+
+    // sending "b" (which refers to "a") without sending "a" first should fail.
+    let put_resp = service
+        .put(tonic_mock::streaming_request(vec![DIRECTORY_B.clone()]))
+        .await
+        .expect_err("must fail");
+
+    assert_eq!(tonic::Code::InvalidArgument, put_resp.code());
+
+    // sending "a", then "b" should succeed, and the response should contain the digest of b.
+    let put_resp = service
+        .put(tonic_mock::streaming_request(vec![
+            DIRECTORY_A.clone(),
+            DIRECTORY_B.clone(),
+        ]))
+        .await
+        .expect("must succeed");
+
+    assert_eq!(DIRECTORY_B.digest(), put_resp.into_inner().root_digest);
+
+    // now, request b, first in non-recursive mode.
+    let items = get_directories(
+        &service,
+        GetDirectoryRequest {
+            recursive: false,
+            by_what: Some(ByWhat::Digest(DIRECTORY_B.digest())),
+        },
+    )
+    .await
+    .expect("must not error");
+
+    // We expect to only get b.
+    assert_eq!(vec![DIRECTORY_B.clone()], items);
+
+    // now, request b, but in recursive mode.
+    let items = get_directories(
+        &service,
+        GetDirectoryRequest {
+            recursive: true,
+            by_what: Some(ByWhat::Digest(DIRECTORY_B.digest())),
+        },
+    )
+    .await
+    .expect("must not error");
+
+    // We expect to get b, and then a, because that's how we traverse down.
+    assert_eq!(vec![DIRECTORY_B.clone(), DIRECTORY_A.clone()], items);
+}
+
+/// Put multiple Directories into the store, and omit duplicates.
+#[tokio::test]
+async fn put_get_dedup() {
+    let service = gen_grpc_service(TempDir::new().unwrap().path());
+
+    // Send "A", then "C", which refers to "A" two times
+    // Pretend we're a dumb client sending A twice.
+    let put_resp = service
+        .put(tonic_mock::streaming_request(vec![
+            DIRECTORY_A.clone(),
+            DIRECTORY_A.clone(),
+            DIRECTORY_C.clone(),
+        ]))
+        .await
+        .expect("must succeed");
+
+    assert_eq!(DIRECTORY_C.digest(), put_resp.into_inner().root_digest);
+
+    // Ask for "C" recursively. We expect to only get "A" once, as there's no point sending it twice.
+    let items = get_directories(
+        &service,
+        GetDirectoryRequest {
+            recursive: true,
+            by_what: Some(ByWhat::Digest(DIRECTORY_C.digest())),
+        },
+    )
+    .await
+    .expect("must not error");
+
+    // We expect to get C, and then A (once, as the second A has been deduplicated).
+    assert_eq!(vec![DIRECTORY_C.clone(), DIRECTORY_A.clone()], items);
+}
+
+/// Trying to upload a Directory failing validation should fail.
+#[tokio::test]
+async fn put_reject_failed_validation() {
+    let service = gen_grpc_service(TempDir::new().unwrap().path());
+
+    // construct a broken Directory message that fails validation
+    let broken_directory = Directory {
+        symlinks: vec![SymlinkNode {
+            name: "".to_string(),
+            target: "doesntmatter".to_string(),
+        }],
+        ..Default::default()
+    };
+    assert!(broken_directory.validate().is_err());
+
+    // send it over, it must fail
+    let put_resp = service
+        .put(tonic_mock::streaming_request(vec![broken_directory]))
+        .await
+        .expect_err("must fail");
+
+    assert_eq!(put_resp.code(), tonic::Code::InvalidArgument);
+}
+
+/// Trying to upload a Directory with wrong size should fail.
+#[tokio::test]
+async fn put_reject_wrong_size() {
+    let service = gen_grpc_service(TempDir::new().unwrap().path());
+
+    // Construct a directory referring to DIRECTORY_A, but with wrong size.
+    let broken_parent_directory = Directory {
+        directories: vec![DirectoryNode {
+            name: "foo".to_string(),
+            digest: DIRECTORY_A.digest(),
+            size: 42,
+        }],
+        ..Default::default()
+    };
+    // Make sure we got the size wrong.
+    assert_ne!(
+        broken_parent_directory.directories[0].size,
+        DIRECTORY_A.size()
+    );
+
+    // now upload both (first A, then the broken parent). This must fail.
+    let put_resp = service
+        .put(tonic_mock::streaming_request(vec![
+            DIRECTORY_A.clone(),
+            broken_parent_directory,
+        ]))
+        .await
+        .expect_err("must fail");
+
+    assert_eq!(put_resp.code(), tonic::Code::InvalidArgument);
+}
diff --git a/tvix/store/src/proto/tests/mod.rs b/tvix/store/src/proto/tests/mod.rs
index 9995be9d37f9..ef38d391f3c7 100644
--- a/tvix/store/src/proto/tests/mod.rs
+++ b/tvix/store/src/proto/tests/mod.rs
@@ -1,4 +1,5 @@
 mod directory;
 mod directory_nodes_iterator;
 mod grpc_blobservice;
+mod grpc_directoryservice;
 mod pathinfo;