diff options
Diffstat (limited to 'tvix/castore/src')
| -rw-r--r-- | tvix/castore/src/directoryservice/mod.rs | 2 | ||||
| -rw-r--r-- | tvix/castore/src/directoryservice/tests/mod.rs | 221 | ||||
| -rw-r--r-- | tvix/castore/src/directoryservice/tests/utils.rs | 45 | ||||
| -rw-r--r-- | tvix/castore/src/errors.rs | 2 | ||||
| -rw-r--r-- | tvix/castore/src/lib.rs | 6 |
5 files changed, 275 insertions, 1 deletions
diff --git a/tvix/castore/src/directoryservice/mod.rs b/tvix/castore/src/directoryservice/mod.rs index 523c61d056cc..997b47e502e4 100644 --- a/tvix/castore/src/directoryservice/mod.rs +++ b/tvix/castore/src/directoryservice/mod.rs @@ -8,6 +8,8 @@ mod grpc; mod memory; mod simple_putter; mod sled; +#[cfg(test)] +mod tests; mod traverse; mod utils; diff --git a/tvix/castore/src/directoryservice/tests/mod.rs b/tvix/castore/src/directoryservice/tests/mod.rs new file mode 100644 index 000000000000..5eb2d1919e80 --- /dev/null +++ b/tvix/castore/src/directoryservice/tests/mod.rs @@ -0,0 +1,221 @@ +//! This contains test scenarios that a given [DirectoryService] needs to pass. +//! We use [rstest] and [rstest_reuse] to provide all services we want to test +//! against, and then apply this template to all test functions. + +use futures::StreamExt; +use rstest::*; +use rstest_reuse::{self, *}; + +use super::DirectoryService; +use crate::directoryservice; +use crate::{ + fixtures::{DIRECTORY_A, DIRECTORY_B, DIRECTORY_C}, + proto::{self, Directory}, +}; + +mod utils; +use self::utils::make_grpc_directory_service_client; + +/// This produces a template, which will be applied to all individual test functions. +/// See https://github.com/la10736/rstest/issues/130#issuecomment-968864832 +#[template] +#[rstest] +#[case::memory(directoryservice::from_addr("memory://").await.unwrap())] +#[case::grpc(make_grpc_directory_service_client().await)] +#[case::sled(directoryservice::from_addr("sled://").await.unwrap())] +pub fn directory_services(#[case] directory_service: impl DirectoryService) {} + +/// Ensures asking for a directory that doesn't exist returns a Ok(None). +#[apply(directory_services)] +#[tokio::test] +async fn test_non_exist(directory_service: impl DirectoryService) { + let resp = directory_service.get(&DIRECTORY_A.digest()).await; + assert!(resp.unwrap().is_none()) +} + +/// Putting a single directory into the store, and then getting it out both via +/// `.get[_recursive]` should work. +#[apply(directory_services)] +#[tokio::test] +async fn put_get(directory_service: impl DirectoryService) { + // Insert a Directory. + let digest = directory_service.put(DIRECTORY_A.clone()).await.unwrap(); + assert_eq!(DIRECTORY_A.digest(), digest, "returned digest must match"); + + // single get + assert_eq!( + Some(DIRECTORY_A.clone()), + directory_service.get(&DIRECTORY_A.digest()).await.unwrap() + ); + + // recursive get + assert_eq!( + vec![Ok(DIRECTORY_A.clone())], + directory_service + .get_recursive(&DIRECTORY_A.digest()) + .collect::<Vec<_>>() + .await + ); +} + +/// Putting a directory closure should work, and it should be possible to get +/// back the root node both via .get[_recursive]. We don't check `.get` for the +/// leaf node is possible, as it's Ok for stores to not support that. +#[apply(directory_services)] +#[tokio::test] +async fn put_get_multiple_success(directory_service: impl DirectoryService) { + // Insert a Directory closure. + let mut handle = directory_service.put_multiple_start(); + handle.put(DIRECTORY_A.clone()).await.unwrap(); + handle.put(DIRECTORY_C.clone()).await.unwrap(); + let root_digest = handle.close().await.unwrap(); + assert_eq!( + DIRECTORY_C.digest(), + root_digest, + "root digest should match" + ); + + // Get the root node. + assert_eq!( + Some(DIRECTORY_C.clone()), + directory_service.get(&DIRECTORY_C.digest()).await.unwrap() + ); + + // Get the closure. Ensure it's sent from the root to the leaves. + assert_eq!( + vec![Ok(DIRECTORY_C.clone()), Ok(DIRECTORY_A.clone())], + directory_service + .get_recursive(&DIRECTORY_C.digest()) + .collect::<Vec<_>>() + .await + ) +} + +/// Puts a directory closure, but simulates a dumb client not deduplicating +/// its list. Ensure we still only get back a deduplicated list. +#[apply(directory_services)] +#[tokio::test] +async fn put_get_multiple_dedup(directory_service: impl DirectoryService) { + // Insert a Directory closure. + let mut handle = directory_service.put_multiple_start(); + handle.put(DIRECTORY_A.clone()).await.unwrap(); + handle.put(DIRECTORY_A.clone()).await.unwrap(); + handle.put(DIRECTORY_C.clone()).await.unwrap(); + let root_digest = handle.close().await.unwrap(); + assert_eq!( + DIRECTORY_C.digest(), + root_digest, + "root digest should match" + ); + + // Ensure the returned closure only contains `DIRECTORY_A` once. + assert_eq!( + vec![Ok(DIRECTORY_C.clone()), Ok(DIRECTORY_A.clone())], + directory_service + .get_recursive(&DIRECTORY_C.digest()) + .collect::<Vec<_>>() + .await + ) +} + +/// Uploading A, then C (referring to A twice), then B (itself referring to A) should fail during close, +/// as B itself would be left unconnected. +#[apply(directory_services)] +#[tokio::test] +async fn upload_reject_unconnected(directory_service: impl DirectoryService) { + let mut handle = directory_service.put_multiple_start(); + + handle.put(DIRECTORY_A.clone()).await.unwrap(); + handle.put(DIRECTORY_C.clone()).await.unwrap(); + handle.put(DIRECTORY_B.clone()).await.unwrap(); + + assert!( + handle.close().await.is_err(), + "closing handle should fail, as B would be left unconnected" + ); +} + +/// Uploading a directory that refers to another directory not yet uploaded +/// should fail. +#[apply(directory_services)] +#[tokio::test] +async fn upload_reject_dangling_pointer(directory_service: impl DirectoryService) { + let mut handle = directory_service.put_multiple_start(); + + // We insert DIRECTORY_A on its own, to ensure the check runs for the + // individual put_multiple session, not across the global DirectoryService + // contents. + directory_service.put(DIRECTORY_A.clone()).await.unwrap(); + + // DIRECTORY_B refers to DIRECTORY_A, which is not uploaded with this handle. + if handle.put(DIRECTORY_B.clone()).await.is_ok() { + assert!( + handle.close().await.is_err(), + "when succeeding put, close must fail" + ) + } +} + +/// Try uploading a Directory failing its internal validation, ensure it gets +/// rejected. +#[apply(directory_services)] +#[tokio::test] +async fn upload_reject_failing_validation(directory_service: impl DirectoryService) { + let broken_directory = Directory { + symlinks: vec![proto::SymlinkNode { + name: "".into(), // wrong! + target: "doesntmatter".into(), + }], + ..Default::default() + }; + assert!(broken_directory.validate().is_err()); + + // Try to upload via single upload. + assert!( + directory_service + .put(broken_directory.clone()) + .await + .is_err(), + "single upload must fail" + ); + + // Try to upload via put_multiple. We're a bit more permissive here, the + // intermediate .put() might succeed, but then the close MUST fail. + let mut handle = directory_service.put_multiple_start(); + if handle.put(broken_directory).await.is_ok() { + assert!( + handle.close().await.is_err(), + "when succeeding put, close must fail" + ) + } +} + +/// Try uploading a Directory that refers to a previously-uploaded directory. +/// Both pass their isolated validation, but the size field in the parent is wrong. +/// This should be rejected. +#[apply(directory_services)] +#[tokio::test] +async fn upload_reject_wrong_size(directory_service: impl DirectoryService) { + let wrong_parent_directory = Directory { + directories: vec![proto::DirectoryNode { + name: "foo".into(), + digest: DIRECTORY_A.digest().into(), + size: DIRECTORY_A.size() + 42, // wrong! + }], + ..Default::default() + }; + + // Make sure isolated validation itself is ok + assert!(wrong_parent_directory.validate().is_ok()); + + // Now upload both. Ensure it either fails during the second put, or during + // the close. + let mut handle = directory_service.put_multiple_start(); + handle.put(DIRECTORY_A.clone()).await.unwrap(); + if handle.put(wrong_parent_directory).await.is_ok() { + assert!( + handle.close().await.is_err(), + "when second put succeeds, close must fail" + ) + } +} diff --git a/tvix/castore/src/directoryservice/tests/utils.rs b/tvix/castore/src/directoryservice/tests/utils.rs new file mode 100644 index 000000000000..72a3ff754d19 --- /dev/null +++ b/tvix/castore/src/directoryservice/tests/utils.rs @@ -0,0 +1,45 @@ +use crate::directoryservice::{DirectoryService, GRPCDirectoryService}; +use crate::proto::directory_service_client::DirectoryServiceClient; +use crate::proto::GRPCDirectoryServiceWrapper; +use crate::{ + directoryservice::MemoryDirectoryService, + proto::directory_service_server::DirectoryServiceServer, +}; +use tonic::transport::{Endpoint, Server, Uri}; + +/// Constructs and returns a gRPC DirectoryService. +/// The server part is a [MemoryDirectoryService], exposed via the +/// [GRPCDirectoryServiceWrapper], and connected through a DuplexStream. +pub async fn make_grpc_directory_service_client() -> Box<dyn DirectoryService> { + let (left, right) = tokio::io::duplex(64); + + // spin up a server, which will only connect once, to the left side. + tokio::spawn(async { + let directory_service = + Box::<MemoryDirectoryService>::default() as Box<dyn DirectoryService>; + + let mut server = Server::builder(); + let router = server.add_service(DirectoryServiceServer::new( + GRPCDirectoryServiceWrapper::new(directory_service), + )); + + router + .serve_with_incoming(tokio_stream::once(Ok::<_, std::io::Error>(left))) + .await + }); + + // Create a client, connecting to the right side. The URI is unused. + let mut maybe_right = Some(right); + Box::new(GRPCDirectoryService::from_client( + DirectoryServiceClient::new( + Endpoint::try_from("http://[::]:50051") + .unwrap() + .connect_with_connector(tower::service_fn(move |_: Uri| { + let right = maybe_right.take().unwrap(); + async move { Ok::<_, std::io::Error>(right) } + })) + .await + .unwrap(), + ), + )) +} diff --git a/tvix/castore/src/errors.rs b/tvix/castore/src/errors.rs index 1b3ae4d1c862..e807a19b9e61 100644 --- a/tvix/castore/src/errors.rs +++ b/tvix/castore/src/errors.rs @@ -4,7 +4,7 @@ use tokio::task::JoinError; use tonic::Status; /// Errors related to communication with the store. -#[derive(Debug, Error)] +#[derive(Debug, Error, PartialEq)] pub enum Error { #[error("invalid request: {0}")] InvalidRequest(String), diff --git a/tvix/castore/src/lib.rs b/tvix/castore/src/lib.rs index dec7684b4c57..1ce092135b83 100644 --- a/tvix/castore/src/lib.rs +++ b/tvix/castore/src/lib.rs @@ -20,3 +20,9 @@ pub use hashing_reader::{B3HashingReader, HashingReader}; #[cfg(test)] mod tests; + +// That's what the rstest_reuse README asks us do, and fails about being unable +// to find rstest_reuse in crate root. +#[cfg(test)] +#[allow(clippy::single_component_path_imports)] +use rstest_reuse; |