138 lines
4.1 KiB
Rust
138 lines
4.1 KiB
Rust
use once_cell::sync::Lazy;
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use secrecy::ExposeSecret;
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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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use zero2prod::{
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configuration::{DatabaseSettings, get_configuration},
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telemetry::init_subscriber,
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};
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static TRACING: Lazy<()> = Lazy::new(|| {
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if std::env::var("TEST_LOG").is_ok() {
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init_subscriber(std::io::stdout);
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} else {
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init_subscriber(std::io::sink);
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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 connection_pool: PgPool,
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}
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#[tokio::test]
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async fn health_check_works() {
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let app = spawn_app().await;
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let client = reqwest::Client::new();
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let response = client
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.get(format!("http://{}/health_check", app.address))
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.send()
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.await
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.unwrap();
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assert!(response.status().is_success());
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assert_eq!(Some(0), response.content_length());
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}
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#[tokio::test]
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async fn subscribe_returns_a_200_for_valid_form_data() {
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let app = spawn_app().await;
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let configuration = get_configuration().expect("Failed to read configuration");
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let connection_string = configuration.database.connection_string();
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let mut connection = PgConnection::connect(connection_string.expose_secret())
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.await
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.expect("Failed to connect to Postgres");
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let client = reqwest::Client::new();
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let body = "name=alphonse&email=alphonse.paix%40outlook.com";
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let response = client
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.post(format!("http://{}/subscriptions", app.address))
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.header("Content-Type", "application/x-www-form-urlencoded")
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.body(body)
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.send()
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.await
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.unwrap();
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assert_eq!(200, response.status().as_u16());
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let saved = sqlx::query!("SELECT email, name FROM subscriptions")
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.fetch_one(&mut connection)
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.await
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.expect("Failed to fetch saved subscription");
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assert_eq!(saved.email, "alphonse.paix@outlook.com");
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assert_eq!(saved.name, "alphonse");
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}
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#[tokio::test]
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async fn subscribe_returns_a_422_when_data_is_missing() {
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let app = spawn_app().await;
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let client = reqwest::Client::new();
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let test_cases = [
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("name=Alphonse", "missing the email"),
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("email=alphonse.paix%40outlook.com", "missing the name"),
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("", "missing both name and email"),
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];
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for (invalid_body, error_message) in test_cases {
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let response = client
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.post(format!("http://{}/subscriptions", app.address))
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.header("Content-Type", "application/x-www-form-urlencoded")
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.body(invalid_body)
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.send()
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.await
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.unwrap();
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assert_eq!(
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422,
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response.status().as_u16(),
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"the API did not fail with 422 Unprocessable Entity when the payload was {}.",
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error_message
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);
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}
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}
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async fn spawn_app() -> TestApp {
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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 = listener.local_addr().unwrap().to_string();
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let mut configuration = get_configuration().expect("Failed to read configuration");
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configuration.database.database_name = Uuid::new_v4().to_string();
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let connection_pool = configure_database(&configuration.database).await;
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let app = TestApp {
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address,
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connection_pool: connection_pool.clone(),
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};
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tokio::spawn(async move {
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zero2prod::startup::run(listener, connection_pool).await;
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});
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app
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}
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async fn configure_database(config: &DatabaseSettings) -> PgPool {
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let connection = PgPool::connect(config.connection_string_without_db().expose_secret())
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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.database_name).as_ref())
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.await
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.expect("Failed to create the database");
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let connection_pool = PgPool::connect(config.connection_string().expose_secret())
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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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