Add integration test for rocket (#3785)

Co-authored-by: Tobie Morgan Hitchcock <tobie@surrealdb.com>

lib/examples/rocket/Cargo.toml

@@ -7,7 +7,7 @@ publish = false
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-rocket = { version = "0.5.0-rc.2", features = ["json"] }
+rocket = { version = "0.5.0", features = ["json"] }
 surrealdb = { path = "../..", features = ["kv-mem"]}
 serde_json = "1.0"
 thiserror = "1.0.50"

lib/examples/rocket/src/lib.rs

@@ -1,7 +1,6 @@
 mod error;
 pub mod person;
 
-use rocket::serde::{Deserialize, Serialize};
 use rocket::{routes, Build};
 use std::env;
 use surrealdb::engine::any;
@@ -10,12 +9,6 @@ use surrealdb::opt::auth::Root;
 use surrealdb::opt::Config;
 use surrealdb::Surreal;
 
-#[derive(Serialize, Deserialize)]
-#[serde(crate = "rocket::serde")]
-pub struct Person {
-	name: String,
-}
-
 pub type Db = Surreal<Any>;
 
 pub async fn create_db_connection() -> Result<Db, Box<dyn std::error::Error>> {
@@ -36,7 +29,14 @@ pub fn router(db_conn: Surreal<Any>) -> rocket::Rocket<Build> {
 	rocket::build()
 		.mount(
 			"/",
-			routes![person::create, person::read, person::update, person::delete, person::list],
+			routes![
+				person::create,
+				person::read,
+				person::update,
+				person::delete,
+				person::list,
+				person::delete_all
+			],
 		)
 		.manage(db_conn)
 }

lib/examples/rocket/src/main.rs

@@ -4,7 +4,7 @@ extern crate rocket;
 use rocket_example::{create_db_connection, router};
 
 #[launch]
-async fn rocket() -> _ {
+pub async fn rocket() -> _ {
 	let db_conn = create_db_connection().await.unwrap();
 	router(db_conn)
 }

lib/examples/rocket/src/person.rs

@@ -5,10 +5,11 @@ use rocket::serde::{json::Json, Deserialize, Serialize};
 use rocket::State;
 use rocket::{delete, get, post, put};
 
-#[derive(Deserialize, Serialize)]
+#[derive(Deserialize, Serialize, Debug)]
 #[serde(crate = "rocket::serde")]
 pub struct Person {
-	name: String,
+	// pub id: Option<i32>,
+	pub name: String,
 }
 
 const PERSON: &str = "person";
@@ -35,6 +36,16 @@ pub async fn delete(db: &State<Db>, id: String) -> Result<Json<Option<Person>>,
 		.map(Json)
 }
 
+//delete_all
+// curl -X DELETE http://localhost:8080/persons
+#[delete("/persons")]
+pub async fn delete_all(db: &State<Db>) -> Result<Json<Vec<Person>>, Custom<String>> {
+	db.delete(PERSON)
+		.await
+		.map_err(|e| Custom(Status::InternalServerError, e.to_string()))
+		.map(Json)
+}
+
 // curl -X GET http://localhost:8080/person/1
 #[get("/person/<id>")]
 pub async fn read(db: &State<Db>, id: String) -> Result<Json<Option<Person>>, Custom<String>> {

lib/examples/rocket/tests/integration_test.rs

@@ -0,0 +1,130 @@
+use rocket::http::{ContentType, Status};
+use rocket::local::asynchronous::Client;
+use rocket_example::create_db_connection;
+use rocket_example::person::Person;
+use rocket_example::router;
+
+macro_rules! run_test {
+	(|$client:ident| $block:expr) => {{
+		rocket::async_test(async move {
+			let db_conn = create_db_connection().await.unwrap();
+			let $client = Client::tracked(router(db_conn)).await.unwrap();
+			$block
+		});
+	}};
+}
+
+async fn query_persons(client: &Client) -> Vec<Person> {
+	let response = client.get("/people").dispatch().await;
+	assert_eq!(response.status(), Status::Ok);
+	let body = response.into_string().await.unwrap();
+	serde_json::from_str(&body).unwrap()
+}
+
+async fn read_person(client: &Client, id: i32) -> Person {
+	let response = client.get(format!("/person/{}", id)).dispatch().await;
+	assert_eq!(response.status(), Status::Ok);
+	let body = response.into_string().await.unwrap();
+	serde_json::from_str(&body).unwrap()
+}
+
+async fn update_person(client: &Client, id: i32, new_name: &str) {
+	let response = client
+		.put(format!("/person/{}", id))
+		.header(ContentType::JSON)
+		.body(format!(r#"{{"name":"{}"}}"#, new_name))
+		.dispatch()
+		.await;
+	assert_eq!(response.status(), Status::Ok);
+}
+
+async fn delete_person(client: &Client, id: i32) {
+	let response = client.delete(format!("/person/{}", id)).dispatch().await;
+	assert_eq!(response.status(), Status::Ok);
+}
+
+async fn delete_all_persons(client: &Client) {
+	let response = client.delete("/persons").dispatch().await;
+	assert_eq!(response.status(), Status::Ok);
+}
+
+#[test]
+fn test_read_person() {
+	run_test!(|client| {
+		// Insert a person to ensure the database is not empty.
+		let john_id = 1;
+		client
+			.post(format!("/person/{}", john_id))
+			.header(ContentType::JSON)
+			.body(r#"{"name":"John Doe"}"#)
+			.dispatch()
+			.await;
+
+		// Read the inserted person's data.
+		let person_response = client.get(format!("/person/{}", john_id)).dispatch().await;
+		assert_eq!(person_response.status(), Status::Ok);
+		let person_data: Option<Person> =
+			serde_json::from_str(&person_response.into_string().await.unwrap()).unwrap();
+
+		// Verify that the data matches what was inserted.
+		assert!(person_data.is_some());
+		let person = person_data.unwrap();
+		assert_eq!(person.name, "John Doe");
+
+		// Cleanup
+		delete_person(&client, john_id).await;
+	});
+}
+
+#[test]
+fn test_update_person() {
+	run_test!(|client| {
+		let john_id = 1;
+
+		// Update John Doe to Jane Doe
+		update_person(&client, john_id, "Jane Doe").await;
+
+		// Verify update
+		let updated_person = read_person(&client, john_id).await;
+		assert_eq!(updated_person.name, "Jane Doe");
+
+		// Cleanup
+		delete_person(&client, john_id).await;
+	});
+}
+
+#[test]
+fn test_insertion_deletion() {
+	run_test!(|client| {
+		// Get the person before making changes.
+		let init_persons = query_persons(&client).await;
+		let john_id = 1;
+		// Issue a request to insert a new person.
+		client
+			.post(format!("/person/{}", john_id))
+			.header(ContentType::JSON)
+			.body(r#"{"name":"John Doe"}"#)
+			.dispatch()
+			.await;
+
+		// Ensure we have one more person in the database.
+		let new_persons = query_persons(&client).await;
+		assert_eq!(new_persons.len(), init_persons.len() + 1);
+
+		// Ensure the person is what we expect.
+		let john = &new_persons[0];
+		assert_eq!(john.name, "John Doe");
+
+		// Issue a request to delete the person.
+		delete_person(&client, john_id).await;
+
+		// Ensure it's gone.
+		let final_persons = query_persons(&client).await;
+		assert_eq!(final_persons.len(), init_persons.len());
+		if !final_persons.is_empty() {
+			assert_ne!(final_persons[0].name, "John Doe");
+		}
+
+		delete_all_persons(&client).await;
+	});
+}