86 lines
3.1 KiB
Rust
86 lines
3.1 KiB
Rust
use learn_axum::configuration::{get_configuration, DatabaseSettings};
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use learn_axum::email_client::EmailClient;
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use learn_axum::telemetry::{get_subscriber, init_subscriber};
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use once_cell::sync::Lazy;
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use sqlx::{Connection, Executor, PgConnection, PgPool};
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use tokio::net::TcpListener;
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use uuid::Uuid;
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/// Ensure that the `tracing` stack is only initialised once using `once_cell`
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static TRACING: Lazy<()> = Lazy::new(|| {
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let default_filter_level = "info".to_string();
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let subscriber_name = "test".to_string();
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// We cannot assign the output of `get_subscriber` to a variable based on the
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// value TEST_LOG` because the sink is part of the type returned by
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// `get_subscriber`, therefore they are not the same type. We could work around
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// it, but this is the most straight-forward way of moving forward.
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if std::env::var("TEST_LOG").is_ok() {
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let subscriber = get_subscriber(subscriber_name, default_filter_level, std::io::stdout);
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init_subscriber(subscriber);
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} else {
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let subscriber = get_subscriber(subscriber_name, default_filter_level, std::io::sink);
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init_subscriber(subscriber);
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};
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});
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pub struct TestApp {
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pub address: String,
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pub db_pool: PgPool,
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}
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pub async fn spawn_app() -> TestApp {
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// The first time `initialize` is invoked the code in `TRACING` is executed.
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// All other invocations will instead skip execution.
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Lazy::force(&TRACING);
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let listener = TcpListener::bind("127.0.0.1:0").await.unwrap();
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let address = format!("http://{}", listener.local_addr().unwrap());
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let mut configuration = get_configuration().expect("Failed to read configuration.");
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configuration.database.name = Uuid::new_v4().to_string();
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let connection_pool = configure_database(&configuration.database).await;
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// TODO: remove code duplication
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let sender_email = configuration
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.email_client
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.sender()
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.expect("Invalid sender email address.");
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let timeout = configuration.email_client.timeout();
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let email_client = EmailClient::new(
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configuration.email_client.base_url,
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sender_email,
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configuration.email_client.authorization_token,
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timeout,
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);
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let service = learn_axum::startup::app(connection_pool.clone(), email_client);
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tokio::spawn(async move {
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axum::serve(listener, service).await.unwrap();
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});
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TestApp {
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address,
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db_pool: connection_pool,
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}
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}
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async fn configure_database(config: &DatabaseSettings) -> PgPool {
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// Create database
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let mut connection = PgConnection::connect_with(&config.without_db())
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.await
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.expect("Failed to connect to Postgres");
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connection
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.execute(format!(r#"CREATE DATABASE "{}";"#, config.name).as_str())
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.await
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.expect("Failed to create database.");
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// Migrate database
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let connection_pool = PgPool::connect_with(config.with_db())
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.await
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.expect("Failed to connect to Postgres.");
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sqlx::migrate!("./migrations")
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.run(&connection_pool)
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.await
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.expect("Failed to migrate the database");
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connection_pool
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}
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