Files
movies-diary/crates/adapters/sqlite/tests/repositories/outbox_writes_test.rs

815 lines
25 KiB
Rust

//! Goal, watchlist and profile writes commit with their events or not at all.
use domain::{
events::DomainEvent,
models::{ProfileField, UserProfile, WatchlistEntry},
ports::{
GoalCommand, MovieCommand, UserProfileFieldsRepository, UserRepository, WatchEventCommand,
WatchlistRepository, WrapUpRepository,
},
testing::{test_goal, test_movie, test_user},
value_objects::UserId,
};
use sqlite::{
SqliteGoalRepository, SqliteMovieRepository, SqliteProfileFieldsRepository,
SqliteUserRepository, SqliteWatchlistRepository,
};
use sqlx::SqlitePool;
use super::outbox_support::{count, fail_event_inserts, migrated_pool};
async fn pool_with_user() -> (SqlitePool, domain::models::User) {
let pool = migrated_pool().await;
let user = test_user("alice");
SqliteUserRepository::new(pool.clone())
.save(&user)
.await
.unwrap();
(pool, user)
}
fn goal_created(goal: &domain::models::Goal) -> DomainEvent {
DomainEvent::GoalCreated {
goal_id: goal.id().clone(),
user_id: goal.user_id().clone(),
year: goal.year(),
target_count: goal.target_count(),
}
}
fn goal_updated(goal: &domain::models::Goal) -> DomainEvent {
DomainEvent::GoalUpdated {
goal_id: goal.id().clone(),
user_id: goal.user_id().clone(),
year: goal.year(),
target_count: goal.target_count(),
}
}
fn goal_deleted(goal: &domain::models::Goal) -> DomainEvent {
DomainEvent::GoalDeleted {
goal_id: goal.id().clone(),
user_id: goal.user_id().clone(),
year: goal.year(),
}
}
#[tokio::test]
async fn saving_a_goal_writes_the_goal_and_its_event_in_one_commit() {
let (pool, user) = pool_with_user().await;
let goal = test_goal(user.id(), 2025, 50);
SqliteGoalRepository::new(pool.clone())
.save(&goal, &[goal_created(&goal)])
.await
.unwrap();
assert_eq!(count(&pool, "goals").await, 1);
assert_eq!(count(&pool, "event_queue").await, 1);
}
#[tokio::test]
async fn a_failing_enqueue_rolls_back_the_goal_save() {
let (pool, user) = pool_with_user().await;
let goal = test_goal(user.id(), 2025, 50);
fail_event_inserts(&pool).await;
let result = SqliteGoalRepository::new(pool.clone())
.save(&goal, &[goal_created(&goal)])
.await;
assert!(result.is_err());
assert_eq!(count(&pool, "goals").await, 0);
}
#[tokio::test]
async fn updating_a_goal_writes_the_change_and_its_event_in_one_commit() {
let (pool, user) = pool_with_user().await;
let repo = SqliteGoalRepository::new(pool.clone());
let mut goal = test_goal(user.id(), 2025, 50);
repo.save(&goal, &[]).await.unwrap();
goal.update_target(80).unwrap();
repo.update(&goal, &[goal_updated(&goal)]).await.unwrap();
assert_eq!(count(&pool, "event_queue").await, 1);
}
#[tokio::test]
async fn a_failing_enqueue_rolls_back_the_goal_update() {
let (pool, user) = pool_with_user().await;
let repo = SqliteGoalRepository::new(pool.clone());
let mut goal = test_goal(user.id(), 2025, 50);
repo.save(&goal, &[]).await.unwrap();
goal.update_target(80).unwrap();
fail_event_inserts(&pool).await;
let result = repo.update(&goal, &[goal_updated(&goal)]).await;
assert!(result.is_err());
let target: i64 = sqlx::query_scalar("SELECT target_count FROM goals")
.fetch_one(&pool)
.await
.unwrap();
assert_eq!(target, 50, "update rolled back");
}
#[tokio::test]
async fn updating_a_missing_goal_enqueues_no_event() {
let (pool, user) = pool_with_user().await;
let goal = test_goal(user.id(), 2025, 50);
let result = SqliteGoalRepository::new(pool.clone())
.update(&goal, &[goal_updated(&goal)])
.await;
assert!(result.is_err());
assert_eq!(count(&pool, "event_queue").await, 0);
}
#[tokio::test]
async fn deleting_a_goal_writes_the_removal_and_its_event_in_one_commit() {
let (pool, user) = pool_with_user().await;
let repo = SqliteGoalRepository::new(pool.clone());
let goal = test_goal(user.id(), 2025, 50);
repo.save(&goal, &[]).await.unwrap();
repo.delete(goal.id(), user.id(), &[goal_deleted(&goal)])
.await
.unwrap();
assert_eq!(count(&pool, "goals").await, 0);
assert_eq!(count(&pool, "event_queue").await, 1);
}
#[tokio::test]
async fn a_failing_enqueue_rolls_back_the_goal_delete() {
let (pool, user) = pool_with_user().await;
let repo = SqliteGoalRepository::new(pool.clone());
let goal = test_goal(user.id(), 2025, 50);
repo.save(&goal, &[]).await.unwrap();
fail_event_inserts(&pool).await;
let result = repo
.delete(goal.id(), user.id(), &[goal_deleted(&goal)])
.await;
assert!(result.is_err());
assert_eq!(count(&pool, "goals").await, 1, "delete rolled back");
}
async fn watchlist_fixture() -> (SqlitePool, UserId, domain::models::Movie) {
let (pool, user) = pool_with_user().await;
let movie = test_movie("Heat");
SqliteMovieRepository::new(pool.clone())
.upsert_movie(&movie, &[])
.await
.unwrap();
(pool, user.id().clone(), movie)
}
fn watchlist_added(entry: &WatchlistEntry, movie: &domain::models::Movie) -> DomainEvent {
DomainEvent::WatchlistEntryAdded {
user_id: entry.user_id.clone(),
movie_id: movie.id().clone(),
movie_title: movie.title().value().to_string(),
release_year: movie.release_year().value(),
external_metadata_id: None,
added_at: entry.added_at,
}
}
fn watchlist_removed(user_id: &UserId, movie: &domain::models::Movie) -> DomainEvent {
DomainEvent::WatchlistEntryRemoved {
user_id: user_id.clone(),
movie_id: movie.id().clone(),
}
}
#[tokio::test]
async fn adding_a_watchlist_entry_writes_the_entry_and_its_event_in_one_commit() {
let (pool, user_id, movie) = watchlist_fixture().await;
let entry = WatchlistEntry::new(user_id, movie.id().clone());
SqliteWatchlistRepository::new(pool.clone())
.add(&entry, &[watchlist_added(&entry, &movie)])
.await
.unwrap();
assert_eq!(count(&pool, "watchlist_entries").await, 1);
assert_eq!(count(&pool, "event_queue").await, 1);
}
#[tokio::test]
async fn re_adding_a_watchlist_entry_enqueues_no_second_event() {
let (pool, user_id, movie) = watchlist_fixture().await;
let repo = SqliteWatchlistRepository::new(pool.clone());
let first = WatchlistEntry::new(user_id.clone(), movie.id().clone());
repo.add(&first, &[watchlist_added(&first, &movie)])
.await
.unwrap();
let again = WatchlistEntry::new(user_id, movie.id().clone());
repo.add(&again, &[watchlist_added(&again, &movie)])
.await
.unwrap();
assert_eq!(count(&pool, "watchlist_entries").await, 1);
assert_eq!(count(&pool, "event_queue").await, 1, "no phantom event");
}
#[tokio::test]
async fn a_failing_enqueue_rolls_back_the_watchlist_add() {
let (pool, user_id, movie) = watchlist_fixture().await;
let entry = WatchlistEntry::new(user_id, movie.id().clone());
fail_event_inserts(&pool).await;
let result = SqliteWatchlistRepository::new(pool.clone())
.add(&entry, &[watchlist_added(&entry, &movie)])
.await;
assert!(result.is_err());
assert_eq!(count(&pool, "watchlist_entries").await, 0);
}
#[tokio::test]
async fn removing_a_watchlist_entry_writes_the_removal_and_its_event_in_one_commit() {
let (pool, user_id, movie) = watchlist_fixture().await;
let repo = SqliteWatchlistRepository::new(pool.clone());
repo.add(
&WatchlistEntry::new(user_id.clone(), movie.id().clone()),
&[],
)
.await
.unwrap();
repo.remove(&user_id, movie.id(), &[watchlist_removed(&user_id, &movie)])
.await
.unwrap();
assert_eq!(count(&pool, "watchlist_entries").await, 0);
assert_eq!(count(&pool, "event_queue").await, 1);
}
#[tokio::test]
async fn a_failing_enqueue_rolls_back_the_watchlist_remove() {
let (pool, user_id, movie) = watchlist_fixture().await;
let repo = SqliteWatchlistRepository::new(pool.clone());
repo.add(
&WatchlistEntry::new(user_id.clone(), movie.id().clone()),
&[],
)
.await
.unwrap();
fail_event_inserts(&pool).await;
let result = repo
.remove(&user_id, movie.id(), &[watchlist_removed(&user_id, &movie)])
.await;
assert!(result.is_err());
assert_eq!(
count(&pool, "watchlist_entries").await,
1,
"remove rolled back"
);
}
#[tokio::test]
async fn removing_an_absent_watchlist_entry_enqueues_no_event() {
let (pool, user_id, movie) = watchlist_fixture().await;
let result = SqliteWatchlistRepository::new(pool.clone())
.remove(&user_id, movie.id(), &[watchlist_removed(&user_id, &movie)])
.await;
assert!(result.is_err());
assert_eq!(count(&pool, "event_queue").await, 0);
}
#[tokio::test]
async fn remove_if_present_enqueues_its_event_only_when_a_row_was_removed() {
let (pool, user_id, movie) = watchlist_fixture().await;
let repo = SqliteWatchlistRepository::new(pool.clone());
let event = watchlist_removed(&user_id, &movie);
let absent = repo
.remove_if_present(&user_id, movie.id(), std::slice::from_ref(&event))
.await
.unwrap();
assert!(!absent);
assert_eq!(count(&pool, "event_queue").await, 0);
repo.add(
&WatchlistEntry::new(user_id.clone(), movie.id().clone()),
&[],
)
.await
.unwrap();
let present = repo
.remove_if_present(&user_id, movie.id(), std::slice::from_ref(&event))
.await
.unwrap();
assert!(present);
assert_eq!(count(&pool, "watchlist_entries").await, 0);
assert_eq!(count(&pool, "event_queue").await, 1);
}
#[tokio::test]
async fn a_failing_enqueue_rolls_back_remove_if_present() {
let (pool, user_id, movie) = watchlist_fixture().await;
let repo = SqliteWatchlistRepository::new(pool.clone());
repo.add(
&WatchlistEntry::new(user_id.clone(), movie.id().clone()),
&[],
)
.await
.unwrap();
fail_event_inserts(&pool).await;
let result = repo
.remove_if_present(&user_id, movie.id(), &[watchlist_removed(&user_id, &movie)])
.await;
assert!(result.is_err());
assert_eq!(
count(&pool, "watchlist_entries").await,
1,
"remove rolled back"
);
}
#[tokio::test]
async fn updating_a_profile_writes_the_change_and_its_event_in_one_commit() {
let (pool, user) = pool_with_user().await;
let repo = SqliteUserRepository::new(pool.clone());
let profile = UserProfile {
bio: Some("hello".into()),
..Default::default()
};
repo.update_profile(
user.id(),
&profile,
&[DomainEvent::UserUpdated {
user_id: user.id().clone(),
}],
)
.await
.unwrap();
let found = repo.find_by_id(user.id()).await.unwrap().unwrap();
assert_eq!(found.bio(), Some("hello"));
assert_eq!(count(&pool, "event_queue").await, 1);
}
#[tokio::test]
async fn a_failing_enqueue_rolls_back_the_profile_update() {
let (pool, user) = pool_with_user().await;
let repo = SqliteUserRepository::new(pool.clone());
fail_event_inserts(&pool).await;
let result = repo
.update_profile(
user.id(),
&UserProfile {
bio: Some("hello".into()),
..Default::default()
},
&[DomainEvent::UserUpdated {
user_id: user.id().clone(),
}],
)
.await;
assert!(result.is_err());
let found = repo.find_by_id(user.id()).await.unwrap().unwrap();
assert_eq!(found.bio(), None, "profile update rolled back");
}
fn fields() -> Vec<ProfileField> {
vec![ProfileField {
name: "Site".into(),
value: "https://example.com".into(),
}]
}
#[tokio::test]
async fn setting_profile_fields_writes_them_and_the_event_in_one_commit() {
let (pool, user) = pool_with_user().await;
SqliteProfileFieldsRepository::new(pool.clone())
.set_fields(
user.id(),
fields(),
&[DomainEvent::UserUpdated {
user_id: user.id().clone(),
}],
)
.await
.unwrap();
assert_eq!(count(&pool, "user_profile_fields").await, 1);
assert_eq!(count(&pool, "event_queue").await, 1);
}
#[tokio::test]
async fn a_failing_enqueue_rolls_back_the_profile_fields_replacement() {
let (pool, user) = pool_with_user().await;
let repo = SqliteProfileFieldsRepository::new(pool.clone());
repo.set_fields(user.id(), fields(), &[]).await.unwrap();
fail_event_inserts(&pool).await;
let result = repo
.set_fields(
user.id(),
vec![],
&[DomainEvent::UserUpdated {
user_id: user.id().clone(),
}],
)
.await;
assert!(result.is_err());
assert_eq!(
repo.get_fields(user.id()).await.unwrap().len(),
1,
"delete of the old fields rolled back"
);
}
fn movie_discovered(movie: &domain::models::Movie) -> DomainEvent {
DomainEvent::MovieDiscovered {
movie_id: movie.id().clone(),
external_metadata_id: domain::value_objects::ExternalMetadataId::new("tmdb:1".into())
.unwrap(),
}
}
fn movie_deleted(movie: &domain::models::Movie) -> DomainEvent {
DomainEvent::MovieDeleted {
movie_id: movie.id().clone(),
poster_path: None,
}
}
#[tokio::test]
async fn upserting_a_movie_writes_the_movie_and_its_event_in_one_commit() {
let pool = migrated_pool().await;
let movie = test_movie("Heat");
SqliteMovieRepository::new(pool.clone())
.upsert_movie(&movie, &[movie_discovered(&movie)])
.await
.unwrap();
assert_eq!(count(&pool, "movies").await, 1);
assert_eq!(count(&pool, "event_queue").await, 1);
}
#[tokio::test]
async fn a_failing_enqueue_rolls_back_the_movie_upsert_of_a_new_movie() {
let pool = migrated_pool().await;
let movie = test_movie("Heat");
fail_event_inserts(&pool).await;
let result = SqliteMovieRepository::new(pool.clone())
.upsert_movie(&movie, &[movie_discovered(&movie)])
.await;
assert!(result.is_err());
assert_eq!(count(&pool, "movies").await, 0);
}
#[tokio::test]
async fn a_failing_enqueue_rolls_back_a_movie_update() {
let pool = migrated_pool().await;
let repo = SqliteMovieRepository::new(pool.clone());
let mut movie = test_movie("Heat");
repo.upsert_movie(&movie, &[]).await.unwrap();
movie.update_poster(domain::value_objects::PosterPath::new("posters/new.jpg".into()).unwrap());
fail_event_inserts(&pool).await;
let result = repo.upsert_movie(&movie, &[movie_discovered(&movie)]).await;
assert!(result.is_err());
let poster: Option<String> = sqlx::query_scalar("SELECT poster_path FROM movies")
.fetch_one(&pool)
.await
.unwrap();
assert_eq!(poster, None, "poster update rolled back");
}
#[tokio::test]
async fn deleting_a_movie_writes_the_removal_and_its_event_in_one_commit() {
let pool = migrated_pool().await;
let repo = SqliteMovieRepository::new(pool.clone());
let movie = test_movie("Heat");
repo.upsert_movie(&movie, &[]).await.unwrap();
repo.delete_movie(movie.id(), &[movie_deleted(&movie)])
.await
.unwrap();
assert_eq!(count(&pool, "movies").await, 0);
assert_eq!(count(&pool, "event_queue").await, 1);
}
#[tokio::test]
async fn a_failing_enqueue_rolls_back_the_movie_delete() {
let pool = migrated_pool().await;
let repo = SqliteMovieRepository::new(pool.clone());
let movie = test_movie("Heat");
repo.upsert_movie(&movie, &[]).await.unwrap();
fail_event_inserts(&pool).await;
let result = repo
.delete_movie(movie.id(), &[movie_deleted(&movie)])
.await;
assert!(result.is_err());
assert_eq!(count(&pool, "movies").await, 1, "delete rolled back");
}
#[tokio::test]
async fn deleting_an_absent_movie_enqueues_no_event() {
let pool = migrated_pool().await;
let movie = test_movie("Heat");
SqliteMovieRepository::new(pool.clone())
.delete_movie(movie.id(), &[movie_deleted(&movie)])
.await
.unwrap();
assert_eq!(count(&pool, "event_queue").await, 0);
}
fn wrapup_record(user_id: Option<uuid::Uuid>) -> domain::models::wrapup::WrapUpRecord {
use domain::models::wrapup::WrapUpStatus;
domain::models::wrapup::WrapUpRecord {
id: domain::value_objects::WrapUpId::generate(),
user_id,
start_date: chrono::NaiveDate::from_ymd_opt(2024, 1, 1).unwrap(),
end_date: chrono::NaiveDate::from_ymd_opt(2024, 12, 31).unwrap(),
status: WrapUpStatus::Pending,
report: None,
error_message: None,
created_at: chrono::Utc::now().naive_utc(),
completed_at: None,
}
}
fn wrapup_requested(record: &domain::models::wrapup::WrapUpRecord) -> DomainEvent {
DomainEvent::WrapUpRequested {
wrapup_id: record.id.clone(),
user_id: None,
start_date: record.start_date,
end_date: record.end_date,
}
}
fn wrapup_completed(record: &domain::models::wrapup::WrapUpRecord) -> DomainEvent {
DomainEvent::WrapUpCompleted {
wrapup_id: record.id.clone(),
}
}
fn empty_report() -> domain::models::wrapup::WrapUpReport {
serde_json::from_value(serde_json::json!({
"scope": "Global",
"date_range": { "start": "2024-01-01", "end": "2024-12-31" },
"generated_at": "2025-01-01T00:00:00Z",
"total_movies": 0,
"total_watch_time_minutes": 0,
"movies_per_month": [],
"rating_distribution": [0, 0, 0, 0, 0],
"top_directors": [],
"top_actors": [],
"director_diversity": 0,
"actor_diversity": 0,
"top_genres": [],
"genre_diversity": 0,
"top_keywords": [],
"language_distribution": [],
"watch_medium_distribution": [],
"total_rewatches": 0,
"poster_paths": [],
"top_cast_profile_paths": [],
}))
.expect("minimal wrap-up report")
}
#[tokio::test]
async fn creating_a_wrapup_writes_the_record_and_its_event_in_one_commit() {
let pool = migrated_pool().await;
let record = wrapup_record(None);
sqlite::SqliteWrapUpRepository::new(pool.clone())
.create(&record, &[wrapup_requested(&record)])
.await
.unwrap();
assert_eq!(count(&pool, "wrap_up_records").await, 1);
assert_eq!(count(&pool, "event_queue").await, 1);
}
#[tokio::test]
async fn a_failing_enqueue_rolls_back_the_wrapup_create() {
let pool = migrated_pool().await;
let record = wrapup_record(None);
fail_event_inserts(&pool).await;
let result = sqlite::SqliteWrapUpRepository::new(pool.clone())
.create(&record, &[wrapup_requested(&record)])
.await;
assert!(result.is_err());
assert_eq!(count(&pool, "wrap_up_records").await, 0);
}
#[tokio::test]
async fn completing_a_wrapup_writes_the_report_and_its_event_in_one_commit() {
let pool = migrated_pool().await;
let repo = sqlite::SqliteWrapUpRepository::new(pool.clone());
let record = wrapup_record(None);
repo.create(&record, &[]).await.unwrap();
repo.set_complete(&record.id, &empty_report(), &[wrapup_completed(&record)])
.await
.unwrap();
let status: String = sqlx::query_scalar("SELECT status FROM wrap_up_records")
.fetch_one(&pool)
.await
.unwrap();
assert_eq!(status, "ready");
assert_eq!(count(&pool, "event_queue").await, 1);
}
#[tokio::test]
async fn a_failing_enqueue_rolls_back_the_wrapup_completion() {
let pool = migrated_pool().await;
let repo = sqlite::SqliteWrapUpRepository::new(pool.clone());
let record = wrapup_record(None);
repo.create(&record, &[]).await.unwrap();
fail_event_inserts(&pool).await;
let result = repo
.set_complete(&record.id, &empty_report(), &[wrapup_completed(&record)])
.await;
assert!(result.is_err());
let status: String = sqlx::query_scalar("SELECT status FROM wrap_up_records")
.fetch_one(&pool)
.await
.unwrap();
assert_eq!(status, "pending", "completion rolled back");
}
#[tokio::test]
async fn completing_a_missing_wrapup_is_not_found_and_enqueues_no_event() {
let pool = migrated_pool().await;
let record = wrapup_record(None);
let result = sqlite::SqliteWrapUpRepository::new(pool.clone())
.set_complete(&record.id, &empty_report(), &[wrapup_completed(&record)])
.await;
assert!(matches!(
result,
Err(domain::errors::DomainError::NotFound(_))
));
assert_eq!(count(&pool, "event_queue").await, 0);
}
fn watch_event_for(user_id: &UserId) -> domain::models::WatchEvent {
domain::models::WatchEvent::new(
user_id.clone(),
"Heat".into(),
Some(1995),
None,
domain::models::WatchEventSource::Jellyfin,
chrono::Utc::now().naive_utc(),
None,
)
}
fn watch_event_ingested(user_id: &UserId) -> DomainEvent {
DomainEvent::WatchEventIngested {
user_id: user_id.clone(),
title: "Heat".into(),
source: "jellyfin".into(),
}
}
#[tokio::test]
async fn saving_a_watch_event_writes_the_row_and_its_event_in_one_commit() {
let (pool, user) = pool_with_user().await;
let event = watch_event_for(user.id());
sqlite::SqliteWatchEventRepository::new(pool.clone())
.save(&event, &[watch_event_ingested(user.id())])
.await
.unwrap();
assert_eq!(count(&pool, "watch_events").await, 1);
assert_eq!(count(&pool, "event_queue").await, 1);
}
#[tokio::test]
async fn a_failing_enqueue_rolls_back_the_watch_event_save() {
let (pool, user) = pool_with_user().await;
let event = watch_event_for(user.id());
fail_event_inserts(&pool).await;
let result = sqlite::SqliteWatchEventRepository::new(pool.clone())
.save(&event, &[watch_event_ingested(user.id())])
.await;
assert!(result.is_err());
assert_eq!(count(&pool, "watch_events").await, 0);
}
fn follow_writes(user_id: &UserId) -> Vec<domain::ports::FollowWrite> {
use domain::{ports::FollowWrite, value_objects::FollowStatus};
vec![
FollowWrite::AddFollower {
local_user_id: user_id.value(),
follower_actor_url: "https://md.example/users/other".into(),
status: FollowStatus::Pending,
},
FollowWrite::AddFollow {
follower_id: user_id.value(),
target_actor_url: "https://md.example/users/other".into(),
status: FollowStatus::Pending,
},
]
}
fn follow_requested(user_id: &UserId) -> DomainEvent {
DomainEvent::FollowRequested {
follower: user_id.clone(),
target: domain::value_objects::FollowTarget::Handle("@other@md.example".into()),
}
}
fn social_repo(pool: &SqlitePool) -> sqlite::SqliteSocialRepository {
sqlite::SqliteSocialRepository::new(
pool.clone(),
domain::value_objects::InstanceIdentity::new("https://md.example"),
)
}
#[tokio::test]
async fn a_local_follow_writes_both_rows_and_its_event_in_one_commit() {
use domain::ports::FollowCommand;
let (pool, user) = pool_with_user().await;
social_repo(&pool)
.apply(&follow_writes(user.id()), &[follow_requested(user.id())])
.await
.unwrap();
assert_eq!(count(&pool, "ap_followers").await, 1);
assert_eq!(count(&pool, "ap_following").await, 1);
assert_eq!(count(&pool, "event_queue").await, 1);
}
#[tokio::test]
async fn a_failing_enqueue_rolls_back_both_follow_rows() {
use domain::ports::FollowCommand;
let (pool, user) = pool_with_user().await;
fail_event_inserts(&pool).await;
let result = social_repo(&pool)
.apply(&follow_writes(user.id()), &[follow_requested(user.id())])
.await;
assert!(result.is_err());
assert_eq!(count(&pool, "ap_followers").await, 0);
assert_eq!(count(&pool, "ap_following").await, 0);
}
#[tokio::test]
async fn a_failing_follow_write_rolls_back_the_rows_already_applied() {
use domain::ports::{FollowCommand, FollowWrite};
let (pool, user) = pool_with_user().await;
let mut writes = follow_writes(user.id());
// An unknown local user violates the ap_following foreign key after the
// follower row was already written.
writes.push(FollowWrite::AddFollow {
follower_id: uuid::Uuid::new_v4(),
target_actor_url: "https://md.example/users/other".into(),
status: domain::value_objects::FollowStatus::Pending,
});
let result = social_repo(&pool)
.apply(&writes, &[follow_requested(user.id())])
.await;
assert!(result.is_err());
assert_eq!(count(&pool, "ap_followers").await, 0);
assert_eq!(count(&pool, "event_queue").await, 0);
}