zero-to-production/tests/api/newsletter.rs
2021-08-14 22:57:03 +01:00

154 lines
4.3 KiB
Rust

use crate::helpers::{spawn_app, ConfirmationLinks, TestApp};
use wiremock::matchers::{any, method, path};
use wiremock::{Mock, ResponseTemplate};
async fn create_unconfirmed_subscriber(app: &TestApp) -> ConfirmationLinks {
let body = "name=le%20guin&email=ursula_le_guin%40gmail.com";
let _mock_guard = Mock::given(path("/email"))
.and(method("POST"))
.respond_with(ResponseTemplate::new(200))
.named("Create unconfirmed subscriber")
.expect(1)
.mount_as_scoped(&app.email_server)
.await;
app.post_subscriptions(body.into())
.await
.error_for_status()
.unwrap();
let email_request = &app
.email_server
.received_requests()
.await
.unwrap()
.pop()
.unwrap();
app.get_confirmation_links(&email_request)
}
async fn create_confirmed_subscriber(app: &TestApp) {
let confirmation_link = create_unconfirmed_subscriber(app).await.html;
reqwest::get(confirmation_link)
.await
.unwrap()
.error_for_status()
.unwrap();
}
#[actix_rt::test]
async fn newsletters_are_not_delivered_to_unconfirmed_subscribers() {
// Arrange
let app = spawn_app().await;
create_unconfirmed_subscriber(&app).await;
Mock::given(any())
.respond_with(ResponseTemplate::new(200))
.expect(0)
.mount(&app.email_server)
.await;
// Act
let newsletter_request_body = serde_json::json!({
"title": "Newsletter title",
"content": {
"text": "Newsletter body as plain text",
"html": "<p>Newsletter body as HTML</p>",
}
});
let response = app.post_newsletters(newsletter_request_body).await;
// Assert
assert_eq!(response.status().as_u16(), 200);
// Mock verifies on Drop that we haven't sent the newsletter email
}
#[actix_rt::test]
async fn newsletters_are_delivered_to_confirmed_subscribers() {
// Arrange
let app = spawn_app().await;
create_confirmed_subscriber(&app).await;
Mock::given(path("/email"))
.and(method("POST"))
.respond_with(ResponseTemplate::new(200))
.expect(1)
.mount(&app.email_server)
.await;
// Act
let newsletter_request_body = serde_json::json!({
"title": "Newsletter title",
"content": {
"text": "Newsletter body as plain text",
"html": "<p>Newsletter body as HTML</p>",
}
});
let response = app.post_newsletters(newsletter_request_body).await;
// Assert
assert_eq!(response.status().as_u16(), 200);
// Mock verifies on Drop that we have sent the newsletter email
}
#[actix_rt::test]
async fn newsletters_returns_400_for_invalid_data() {
// Arrange
let app = spawn_app().await;
let test_cases = vec![
(
serde_json::json!({
"content": {
"text": "Newsletter body as plain text",
"html": "<p>Newsletter body as HTML</p>",
}
}),
"missing title",
),
(
serde_json::json!({
"title": "Newsletter!"
}),
"missing content",
),
];
for (invalid_body, error_message) in test_cases {
let response = app.post_newsletters(invalid_body).await;
// Assert
assert_eq!(
400,
response.status().as_u16(),
// Additional customised error message on test failure
"The API did not fail with 400 Bad Request when the payload was {}.",
error_message
);
}
}
#[actix_rt::test]
async fn requests_missing_authorization_are_rejected() {
// Arrange
let app = spawn_app().await;
let response = reqwest::Client::new()
.post(&format!("{}/newsletters", &app.address))
.json(&serde_json::json!({
"title": "Newsletter title",
"content": {
"text": "Newsletter body as plain text",
"html": "<p>Newsletter body as HTML</p>",
}
}))
.send()
.await
.expect("Failed to execute request.");
// Assert
assert_eq!(401, response.status().as_u16());
assert_eq!(
r#"Basic realm="publish""#,
response.headers()["WWW-Authenticate"]
);
}