267 lines
8.9 KiB
Rust
267 lines
8.9 KiB
Rust
//! Instance storage-mode enforcement on push (§4.3).
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//!
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//! Each test boots an in-process instance with a specific
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//! `storage_mode` and pushes a hand-built commit/release. The push
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//! must be rejected (or accepted) according to the rules in §4.3:
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//!
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//! * `full` — accepts every push.
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//! * `release` — only `refs/releases/*` updates are accepted.
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//! * `metadata` — every push is rejected (mode is intended to be
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//! populated via mirroring, not direct push).
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use std::net::SocketAddr;
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use std::path::PathBuf;
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use levcs_client::{Client, ClientError};
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use levcs_core::hash::blake3_hash;
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use levcs_core::object::ObjectType;
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use levcs_core::{Blob, Commit, CommitFlags, EntryType, FileMode, Tree, TreeEntry, ZERO_ID};
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use levcs_identity::authority::{AuthorityBody, MemberEntry, PolicyEntry, Role};
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use levcs_identity::keys::SecretKey;
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use levcs_identity::sign::{sign_authority, sign_commit};
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use levcs_instance::{router, AppState, InstanceConfig};
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use levcs_protocol::wire::{PushManifest, PushUpdate};
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use levcs_protocol::Pack;
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fn tempdir(prefix: &str) -> PathBuf {
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let mut p = std::env::temp_dir();
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let n = std::time::SystemTime::now()
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.duration_since(std::time::UNIX_EPOCH)
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.map(|d| d.as_nanos())
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.unwrap_or(0);
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p.push(format!("{prefix}-{n}-{}", std::process::id()));
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std::fs::create_dir_all(&p).unwrap();
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p
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}
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async fn start(mode: &str) -> (SocketAddr, tokio::task::JoinHandle<()>, PathBuf) {
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let root = tempdir(&format!("levcs-storage-{mode}"));
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let cfg = InstanceConfig {
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root: root.clone(),
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storage_mode: mode.into(),
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federation_peers: Vec::new(),
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allowed_handlers: Vec::new(),
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mirrors: Vec::new(),
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};
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let state = AppState::new(cfg);
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let app = router(state);
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let listener = tokio::net::TcpListener::bind::<SocketAddr>("127.0.0.1:0".parse().unwrap())
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.await
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.unwrap();
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let addr = listener.local_addr().unwrap();
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let task = tokio::spawn(async move {
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axum::serve(listener, app).await.ok();
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});
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(addr, task, root)
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}
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struct Setup {
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sk: SecretKey,
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auth_id: levcs_core::ObjectId,
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repo_id: String,
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auth_bytes: Vec<u8>,
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}
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fn build_genesis() -> Setup {
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let sk = SecretKey::generate();
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let pk = sk.public();
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let now = 1_700_000_000_000_000;
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let mut auth = AuthorityBody {
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schema_version: 1,
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repo_id: ZERO_ID,
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previous_authority: ZERO_ID,
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version: 1,
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created_micros: now,
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members: vec![MemberEntry {
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key: pk,
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handle: "alice".into(),
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role: Role::Owner,
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added_micros: now,
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added_by: pk,
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}],
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policy: vec![PolicyEntry {
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key: "public_read".into(),
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value: vec![0x01],
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}],
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};
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auth.normalize().unwrap();
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auth.assign_genesis_repo_id().unwrap();
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let signed = sign_authority(&auth, &sk).unwrap();
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let auth_bytes = signed.serialize();
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let auth_id = blake3_hash(&auth_bytes);
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let repo_id = auth.repo_id.to_hex();
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Setup {
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sk,
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auth_id,
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repo_id,
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auth_bytes,
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}
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}
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/// Build a single-blob, single-commit pack for a push test. Returns
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/// (pack, commit_id) so the caller can stuff the id into a manifest.
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fn build_simple_pack(
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sk: &SecretKey,
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auth_id: levcs_core::ObjectId,
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) -> (Pack, levcs_core::ObjectId) {
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let pk = sk.public();
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let blob = Blob::new(b"hello\n".to_vec());
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let blob_bytes = blob.serialize();
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let blob_id = blake3_hash(&blob_bytes);
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let mut tree = Tree::new();
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tree.entries.push(TreeEntry {
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name: "a.txt".into(),
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entry_type: EntryType::Blob,
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mode: FileMode::REGULAR,
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hash: blob_id,
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});
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tree.sort_and_validate().unwrap();
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let tree_bytes = tree.serialize();
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let tree_id = blake3_hash(&tree_bytes);
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let commit = Commit {
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tree: tree_id,
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parents: vec![],
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authority: auth_id,
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author_key: pk.0,
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timestamp_micros: 1_700_000_001_000_000,
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flags: CommitFlags::NONE,
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message: "test".into(),
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};
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let signed = sign_commit(commit, sk).unwrap();
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let commit_bytes = signed.serialize();
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let commit_id = blake3_hash(&commit_bytes);
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let mut pack = Pack::new();
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pack.push(ObjectType::Blob as u8, blob_bytes);
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pack.push(ObjectType::Tree as u8, tree_bytes);
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pack.push(ObjectType::Commit as u8, commit_bytes);
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(pack, commit_id)
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}
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#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
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async fn metadata_mode_rejects_all_pushes() {
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let (addr, task, root) = start("metadata").await;
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let base = format!("http://{addr}/levcs/v1");
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let setup = build_genesis();
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let result = tokio::task::spawn_blocking({
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let seed = *setup.sk.seed();
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let auth_id = setup.auth_id;
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let repo_id = setup.repo_id.clone();
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let auth_bytes = setup.auth_bytes.clone();
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move || {
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let sk = SecretKey::from_seed(seed);
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let client = Client::new(base);
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// init is allowed (it's how mirror discovery works); push
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// is what gets refused.
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client.init(&sk, &repo_id, &auth_bytes).unwrap();
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let (pack, commit_id) = build_simple_pack(&sk, auth_id);
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let manifest = PushManifest {
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authority_hash: auth_id.to_hex(),
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updates: vec![PushUpdate {
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r#ref: "refs/branches/main".into(),
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old_hash: None,
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new_hash: commit_id.to_hex(),
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}],
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timestamp: 0,
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force: false,
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};
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client.push(&sk, &repo_id, &pack, &manifest)
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}
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})
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.await
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.unwrap();
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match result {
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Err(ClientError::Server { status, body }) => {
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assert_eq!(status, 403);
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assert!(body.contains("metadata"), "error must explain mode: {body}");
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}
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other => panic!("expected 403, got {other:?}"),
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}
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task.abort();
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let _ = std::fs::remove_dir_all(root);
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}
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#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
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async fn release_mode_rejects_branch_push() {
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let (addr, task, root) = start("release").await;
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let base = format!("http://{addr}/levcs/v1");
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let setup = build_genesis();
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let result = tokio::task::spawn_blocking({
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let seed = *setup.sk.seed();
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let auth_id = setup.auth_id;
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let repo_id = setup.repo_id.clone();
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let auth_bytes = setup.auth_bytes.clone();
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move || {
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let sk = SecretKey::from_seed(seed);
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let client = Client::new(base);
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client.init(&sk, &repo_id, &auth_bytes).unwrap();
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let (pack, commit_id) = build_simple_pack(&sk, auth_id);
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let manifest = PushManifest {
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authority_hash: auth_id.to_hex(),
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updates: vec![PushUpdate {
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r#ref: "refs/branches/main".into(),
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old_hash: None,
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new_hash: commit_id.to_hex(),
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}],
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timestamp: 0,
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force: false,
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};
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client.push(&sk, &repo_id, &pack, &manifest)
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}
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})
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.await
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.unwrap();
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match result {
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Err(ClientError::Server { status, body }) => {
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assert_eq!(status, 403);
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assert!(
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body.contains("release-only") && body.contains("refs/branches/main"),
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"error must name mode and ref: {body}"
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);
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}
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other => panic!("expected 403, got {other:?}"),
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}
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task.abort();
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let _ = std::fs::remove_dir_all(root);
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}
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#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
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async fn full_mode_accepts_branch_push() {
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let (addr, task, root) = start("full").await;
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let base = format!("http://{addr}/levcs/v1");
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let setup = build_genesis();
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let result = tokio::task::spawn_blocking({
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let seed = *setup.sk.seed();
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let auth_id = setup.auth_id;
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let repo_id = setup.repo_id.clone();
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let auth_bytes = setup.auth_bytes.clone();
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move || {
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let sk = SecretKey::from_seed(seed);
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let client = Client::new(base);
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client.init(&sk, &repo_id, &auth_bytes).unwrap();
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let (pack, commit_id) = build_simple_pack(&sk, auth_id);
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let manifest = PushManifest {
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authority_hash: auth_id.to_hex(),
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updates: vec![PushUpdate {
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r#ref: "refs/branches/main".into(),
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old_hash: None,
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new_hash: commit_id.to_hex(),
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}],
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timestamp: 0,
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force: false,
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};
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client.push(&sk, &repo_id, &pack, &manifest)
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}
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})
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.await
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.unwrap();
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assert!(
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result.is_ok(),
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"full mode must accept branch push: {result:?}"
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);
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task.abort();
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let _ = std::fs::remove_dir_all(root);
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}
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