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|
use axum::{
body::Body,
http::{self, Request, StatusCode},
};
use diesel::{PgConnection, RunQueryDsl};
use planetwars_server::{create_db_pool, create_pw_api, db, modules, DbPool, GlobalConfig};
use serde_json::{self, json, Value as JsonValue};
use std::{
io,
path::{Path, PathBuf},
sync::Arc,
time::Duration,
};
use tempfile::TempDir;
use tower::Service;
// Used to serialize tests that access the database.
// TODO: see to what degree we could support transactional testing.
static DB_LOCK: parking_lot::Mutex<()> = parking_lot::Mutex::new(());
fn create_subdir<P: AsRef<Path>>(base_path: &Path, p: P) -> io::Result<String> {
let dir_path = base_path.join(p);
std::fs::create_dir(&dir_path)?;
let dir_path_string = dir_path.into_os_string().into_string().unwrap();
Ok(dir_path_string)
}
fn clear_database(conn: &PgConnection) {
diesel::sql_query(
"TRUNCATE TABLE
bots,
bot_versions,
maps,
matches,
match_players,
ratings,
sessions,
users",
)
.execute(conn)
.expect("failed to clear database");
}
/// Setup a simple text fixture, having simplebot and the hex map.
/// This is enough to run a simple match.
fn setup_simple_fixture(db_conn: &PgConnection, config: &GlobalConfig) {
let bot = db::bots::create_bot(
&db::bots::NewBot {
owner_id: None,
name: "simplebot",
},
&db_conn,
)
.expect("could not create simplebot");
let simplebot_code = std::fs::read_to_string("../simplebot/simplebot.py")
.expect("could not read simplebot code");
let _bot_version =
modules::bots::save_code_string(&simplebot_code, Some(bot.id), &db_conn, &config)
.expect("could not save bot version");
std::fs::copy(
"../maps/hex.json",
PathBuf::from(&config.maps_directory).join("hex.json"),
)
.expect("could not copy map");
db::maps::create_map(
db::maps::NewMap {
name: "hex",
file_path: "hex.json",
},
&db_conn,
)
.expect("could not save map");
}
struct TestApp<'a> {
// exclusive connection to the test database
#[allow(dead_code)]
db_guard: parking_lot::MutexGuard<'a, ()>,
db_pool: DbPool,
// temporary data directory
#[allow(dead_code)]
data_dir: TempDir,
config: Arc<GlobalConfig>,
}
impl<'a> TestApp<'a> {
async fn create() -> io::Result<TestApp<'a>> {
let data_dir = TempDir::new().expect("failed to create temp dir");
let config = Arc::new(GlobalConfig {
database_url: "postgresql://planetwars:planetwars@localhost/planetwars-test"
.to_string(),
python_runner_image: "python:3.10-slim-buster".to_string(),
container_registry_url: "localhost:9001".to_string(),
root_url: "localhost:3000".to_string(),
bots_directory: create_subdir(data_dir.path(), "bots")?,
match_logs_directory: create_subdir(data_dir.path(), "matches")?,
maps_directory: create_subdir(data_dir.path(), "maps")?,
registry_directory: create_subdir(data_dir.path(), "registry")?,
registry_admin_password: "secret_admin_password".to_string(),
ranker_enabled: false,
});
let db_guard = DB_LOCK.lock();
let db_pool = create_db_pool(&config).await;
Ok(TestApp {
db_guard,
config,
data_dir,
db_pool,
})
}
async fn with_db_conn<F, R>(&self, function: F) -> R
where
F: FnOnce(&PgConnection) -> R,
{
let db_conn = self
.db_pool
.get()
.await
.expect("could not get db connection");
function(&db_conn)
}
}
#[tokio::test(flavor = "multi_thread")]
async fn test_submit_bot() -> io::Result<()> {
let test_app = TestApp::create().await.unwrap();
test_app
.with_db_conn(|db_conn| {
clear_database(db_conn);
setup_simple_fixture(db_conn, &test_app.config);
})
.await;
let mut app = create_pw_api(test_app.config, test_app.db_pool);
let simplebot_code = std::fs::read_to_string("../simplebot/simplebot.py")
.expect("could not read simplebot code");
let payload = json!({
"code": simplebot_code,
});
let response = app
.call(
Request::builder()
.method(http::Method::POST)
.header("Content-Type", "application/json")
.uri("/api/submit_bot")
.body(serde_json::to_vec(&payload).unwrap().into())
.unwrap(),
)
.await
.unwrap();
assert_eq!(response.status(), StatusCode::OK);
let body = hyper::body::to_bytes(response.into_body()).await.unwrap();
let resp: JsonValue = serde_json::from_slice(&body).unwrap();
let match_id = &resp["match"]["id"];
let mut num_tries = 0;
loop {
num_tries += 1;
assert!(num_tries <= 100, "time limit exceeded");
tokio::time::sleep(Duration::from_millis(100)).await;
let response = app
.call(
Request::builder()
.method(http::Method::GET)
.header("Content-Type", "application/json")
.uri(format!("/api/matches/{}", match_id))
.body(Body::empty())
.unwrap(),
)
.await
.unwrap();
assert_eq!(response.status(), StatusCode::OK);
let body = hyper::body::to_bytes(response.into_body()).await.unwrap();
let resp: JsonValue = serde_json::from_slice(&body).unwrap();
match resp["state"].as_str() {
Some("Playing") => (), // continue,
Some("Finished") => return Ok(()), // success
value => panic!("got unexpected match state {:?}", value),
}
}
}
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