Files
zero2prod/tests/api/subscriptions.rs
Alphonse Paix 33281132c6
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Update test suite to drop database automatically when test is successfull
2025-09-24 02:55:18 +02:00

120 lines
3.6 KiB
Rust

use crate::helpers::{TestApp, when_sending_an_email};
use sqlx::PgPool;
use wiremock::ResponseTemplate;
#[sqlx::test]
async fn subscribe_displays_a_confirmation_message_for_valid_form_data(connection_pool: PgPool) {
let app = TestApp::spawn(connection_pool).await;
when_sending_an_email()
.respond_with(ResponseTemplate::new(200))
.mount(&app.email_server)
.await;
let email = "alphonse.paix@outlook.com";
let body = format!("email={email}");
let response = app.post_subscriptions(body).await;
assert!(response.status().is_success());
let html_fragment = response.text().await.unwrap();
assert!(html_fragment.contains("You'll receive a confirmation email shortly"));
}
#[sqlx::test]
async fn subscribe_persists_the_new_subscriber(connection_pool: PgPool) {
let app = TestApp::spawn(connection_pool).await;
when_sending_an_email()
.respond_with(ResponseTemplate::new(200))
.mount(&app.email_server)
.await;
let email = "alphonse.paix@outlook.com";
let body = format!("email={email}");
let response = app.post_subscriptions(body).await;
assert!(response.status().is_success());
let html_fragment = dbg!(response.text().await.unwrap());
assert!(html_fragment.contains("You'll receive a confirmation email shortly"));
let saved = sqlx::query!("SELECT email, status FROM subscriptions")
.fetch_one(&app.connection_pool)
.await
.expect("Failed to fetch saved subscription");
assert_eq!(saved.email, "alphonse.paix@outlook.com");
assert_eq!(saved.status, "pending_confirmation");
}
#[sqlx::test]
async fn subscribe_returns_a_422_when_data_is_missing(connection_pool: PgPool) {
let app = TestApp::spawn(connection_pool).await;
let response = app.post_subscriptions(String::new()).await;
assert_eq!(
422,
response.status().as_u16(),
"the API did not fail with 422 Unprocessable Entity when the payload was missing the email"
);
}
#[sqlx::test]
async fn subscribe_sends_a_confirmation_email_for_valid_data(connection_pool: PgPool) {
let app = TestApp::spawn(connection_pool).await;
let email = "alphonse.paix@outlook.com";
let body = format!("email={email}");
when_sending_an_email()
.respond_with(ResponseTemplate::new(200))
.expect(1)
.mount(&app.email_server)
.await;
app.post_subscriptions(body).await;
}
#[sqlx::test]
async fn subscribe_sends_a_confirmation_email_with_a_link(connection_pool: PgPool) {
let app = TestApp::spawn(connection_pool).await;
let email = "alphonse.paix@outlook.com";
let body = format!("email={email}");
when_sending_an_email()
.respond_with(ResponseTemplate::new(200))
.expect(1)
.mount(&app.email_server)
.await;
app.post_subscriptions(body).await;
let email_request = &app.email_server.received_requests().await.unwrap()[0];
let confirmation_links = app.get_confirmation_links(email_request);
assert_eq!(confirmation_links.html, confirmation_links.text);
}
#[sqlx::test]
async fn subscribe_fails_if_there_is_a_fatal_database_error(connection_pool: PgPool) {
let app = TestApp::spawn(connection_pool).await;
let email = "alphonse.paix@outlook.com";
let body = format!("name=Alphonse&email={}", email);
sqlx::query!("ALTER TABLE subscriptions DROP COLUMN email")
.execute(&app.connection_pool)
.await
.unwrap();
let response = app.post_subscriptions(body).await;
assert!(
response
.text()
.await
.unwrap()
.contains("An internal server error occured")
);
}