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Make sure to match the state of the tests folder at the end of chapter 3

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This commit is contained in:
Luca Palmieri 2020-09-21 13:50:01 +01:00
parent f4ba849d91
commit 3e01540d57
5 changed files with 129 additions and 136 deletions
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20
chapter03-1/tests/all/health_check.rs
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@ -1,20 +0,0 @@
use crate::helpers::spawn_app;
#[actix_rt::test]
async fn health_check_works() {
// Arrange
let app = spawn_app().await;
let client = reqwest::Client::new();
// Act
let response = client
// Use the returned application address
.get(&format!("{}/health_check", &app.address))
.send()
.await
.expect("Failed to execute request.");
// Assert
assert!(response.status().is_success());
assert_eq!(Some(0), response.content_length());
}

52
chapter03-1/tests/all/helpers.rs
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@ -1,52 +0,0 @@
use chapter03_1::configuration::{get_configuration, DatabaseSettings};
use chapter03_1::startup::run;
use sqlx::Executor;
use sqlx::{Connection, PgConnection, PgPool};
use std::net::TcpListener;
use uuid::Uuid;
pub struct TestApp {
pub address: String,
pub db_pool: PgPool,
}
pub async fn spawn_app() -> TestApp {
let listener = TcpListener::bind("127.0.0.1:0").expect("Failed to bind random port");
// We retrieve the port assigned to us by the OS
let port = listener.local_addr().unwrap().port();
let address = format!("http://127.0.0.1:{}", port);
let mut configuration = get_configuration().expect("Failed to read configuration.");
configuration.database.database_name = Uuid::new_v4().to_string();
let connection_pool = configure_database(&configuration.database).await;
let server = run(listener, connection_pool.clone()).expect("Failed to bind address");
let _ = tokio::spawn(server);
TestApp {
address,
db_pool: connection_pool,
}
}
pub async fn configure_database(config: &DatabaseSettings) -> PgPool {
// Create database
let mut connection = PgConnection::connect(&config.connection_string_without_db())
.await
.expect("Failed to connect to Postgres");
connection
.execute(&*format!(r#"CREATE DATABASE "{}";"#, config.database_name))
.await
.expect("Failed to create database.");
// Migrate database
let connection_pool = PgPool::connect(&config.connection_string())
.await
.expect("Failed to connect to Postgres.");
sqlx::migrate!("./migrations")
.run(&connection_pool)
.await
.expect("Failed to migrate the database");
connection_pool
}

3
chapter03-1/tests/all/main.rs
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@ -1,3 +0,0 @@
mod health_check;
pub mod helpers;
mod subscriptions;

61
chapter03-1/tests/all/subscriptions.rs
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@ -1,61 +0,0 @@
use crate::helpers::spawn_app;
#[actix_rt::test]
async fn subscribe_accepts_valid_form_data() {
// Arrange
let app = spawn_app().await;
let client = reqwest::Client::new();
let body = "name=le%20guin&email=ursula_le_guin%40gmail.com";
// Act
let response = client
.post(&format!("{}/subscriptions", &app.address))
.header("Content-Type", "application/x-www-form-urlencoded")
.body(body)
.send()
.await
.expect("Failed to execute request.");
// Assert
assert_eq!(200, response.status().as_u16());
let saved = sqlx::query!("SELECT email, name FROM subscriptions",)
.fetch_one(&app.db_pool)
.await
.expect("Failed to fetch saved subscription.");
assert_eq!(saved.email, "ursula_le_guin@gmail.com");
assert_eq!(saved.name, "le guin");
}
#[actix_rt::test]
async fn subscribe_returns_a_400_when_data_is_missing() {
// Arrange
let app = spawn_app().await;
let client = reqwest::Client::new();
let test_cases = vec![
("name=le%20guin", "missing the email"),
("email=ursula_le_guin%40gmail.com", "missing the name"),
("", "missing both name and email"),
];
for (invalid_body, error_message) in test_cases {
// Act
let response = client
.post(&format!("{}/subscriptions", &app.address))
.header("Content-Type", "application/x-www-form-urlencoded")
.body(invalid_body)
.send()
.await
.expect("Failed to execute request.");
// 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
);
}
}

129
chapter03-1/tests/health_check.rs Normal file
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@ -0,0 +1,129 @@
use chapter03_1::configuration::{get_configuration, DatabaseSettings};
use chapter03_1::startup::run;
use sqlx::{Connection, Executor, PgConnection, PgPool};
use std::net::TcpListener;
use uuid::Uuid;
pub struct TestApp {
pub address: String,
pub db_pool: PgPool,
}
async fn spawn_app() -> TestApp {
let listener = TcpListener::bind("127.0.0.1:0").expect("Failed to bind random port");
// We retrieve the port assigned to us by the OS
let port = listener.local_addr().unwrap().port();
let address = format!("http://127.0.0.1:{}", port);
let mut configuration = get_configuration().expect("Failed to read configuration.");
configuration.database.database_name = Uuid::new_v4().to_string();
let connection_pool = configure_database(&configuration.database).await;
let server = run(listener, connection_pool.clone()).expect("Failed to bind address");
let _ = tokio::spawn(server);
TestApp {
address,
db_pool: connection_pool,
}
}
pub async fn configure_database(config: &DatabaseSettings) -> PgPool {
// Create database
let mut connection = PgConnection::connect(&config.connection_string_without_db())
.await
.expect("Failed to connect to Postgres");
connection
.execute(&*format!(r#"CREATE DATABASE "{}";"#, config.database_name))
.await
.expect("Failed to create database.");
// Migrate database
let connection_pool = PgPool::connect(&config.connection_string())
.await
.expect("Failed to connect to Postgres.");
sqlx::migrate!("./migrations")
.run(&connection_pool)
.await
.expect("Failed to migrate the database");
connection_pool
}
#[actix_rt::test]
async fn health_check_works() {
// Arrange
let app = spawn_app().await;
let client = reqwest::Client::new();
// Act
let response = client
// Use the returned application address
.get(&format!("{}/health_check", &app.address))
.send()
.await
.expect("Failed to execute request.");
// Assert
assert!(response.status().is_success());
assert_eq!(Some(0), response.content_length());
}
#[actix_rt::test]
async fn subscribe_returns_a_200_for_valid_form_data() {
// Arrange
let app = spawn_app().await;
let client = reqwest::Client::new();
let body = "name=le%20guin&email=ursula_le_guin%40gmail.com";
// Act
let response = client
.post(&format!("{}/subscriptions", &app.address))
.header("Content-Type", "application/x-www-form-urlencoded")
.body(body)
.send()
.await
.expect("Failed to execute request.");
// Assert
assert_eq!(200, response.status().as_u16());
let saved = sqlx::query!("SELECT email, name FROM subscriptions",)
.fetch_one(&app.db_pool)
.await
.expect("Failed to fetch saved subscription.");
assert_eq!(saved.email, "ursula_le_guin@gmail.com");
assert_eq!(saved.name, "le guin");
}
#[actix_rt::test]
async fn subscribe_returns_a_400_when_data_is_missing() {
// Arrange
let app = spawn_app().await;
let client = reqwest::Client::new();
let test_cases = vec![
("name=le%20guin", "missing the email"),
("email=ursula_le_guin%40gmail.com", "missing the name"),
("", "missing both name and email"),
];
for (invalid_body, error_message) in test_cases {
// Act
let response = client
.post(&format!("{}/subscriptions", &app.address))
.header("Content-Type", "application/x-www-form-urlencoded")
.body(invalid_body)
.send()
.await
.expect("Failed to execute request.");
// 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
);
}
}