surrealpatch/lib/tests/delete.rs

mod parse;
use parse::Parse;
use surrealdb::dbs::{Action, Notification, Session};
use surrealdb::err::Error;
use surrealdb::iam::Role;
use surrealdb::kvs::Datastore;
use surrealdb::sql::{Id, Thing, Value};

#[tokio::test]
async fn delete() -> Result<(), Error> {
	let sql = "
		CREATE person:test SET name = 'Tester';
		DELETE person:test;
		SELECT * FROM person;
	";
	let dbs = Datastore::new("memory").await?;
	let ses = Session::owner().with_ns("test").with_db("test");
	let res = &mut dbs.execute(sql, &ses, None).await?;
	assert_eq!(res.len(), 3);
	//
	let tmp = res.remove(0).result?;
	let val = Value::parse(
		"[
			{
				id: person:test,
				name: 'Tester'
			}
		]",
	);
	assert_eq!(tmp, val);
	//
	let tmp = res.remove(0).result?;
	let val = Value::parse("[]");
	assert_eq!(tmp, val);
	//
	let tmp = res.remove(0).result?;
	let val = Value::parse("[]");
	assert_eq!(tmp, val);
	//
	Ok(())
}

//
// Permissions
//

async fn common_permissions_checks(auth_enabled: bool) {
	let tests = vec![
		// Root level
		((().into(), Role::Owner), ("NS", "DB"), true, "owner at root level should be able to delete a record"),
		((().into(), Role::Editor), ("NS", "DB"), true, "editor at root level should be able to delete a record"),
		((().into(), Role::Viewer), ("NS", "DB"), false, "viewer at root level should not be able to delete a record"),

		// Namespace level
		((("NS",).into(), Role::Owner), ("NS", "DB"), true, "owner at namespace level should be able to delete a record on its namespace"),
		((("NS",).into(), Role::Owner), ("OTHER_NS", "DB"), false, "owner at namespace level should not be able to delete a record on another namespace"),
		((("NS",).into(), Role::Editor), ("NS", "DB"), true, "editor at namespace level should be able to delete a record on its namespace"),
		((("NS",).into(), Role::Editor), ("OTHER_NS", "DB"), false, "editor at namespace level should not be able to delete a record on another namespace"),
		((("NS",).into(), Role::Viewer), ("NS", "DB"), false, "viewer at namespace level should not be able to delete a record on its namespace"),
		((("NS",).into(), Role::Viewer), ("OTHER_NS", "DB"), false, "viewer at namespace level should not be able to delete a record on another namespace"),

		// Database level
		((("NS", "DB").into(), Role::Owner), ("NS", "DB"), true, "owner at database level should be able to delete a record on its database"),
		((("NS", "DB").into(), Role::Owner), ("NS", "OTHER_DB"), false, "owner at database level should not be able to delete a record on another database"),
		((("NS", "DB").into(), Role::Owner), ("OTHER_NS", "DB"), false, "owner at database level should not be able to delete a record on another namespace even if the database name matches"),
		((("NS", "DB").into(), Role::Editor), ("NS", "DB"), true, "editor at database level should be able to delete a record on its database"),
		((("NS", "DB").into(), Role::Editor), ("NS", "OTHER_DB"), false, "editor at database level should not be able to delete a record on another database"),
		((("NS", "DB").into(), Role::Editor), ("OTHER_NS", "DB"), false, "editor at database level should not be able to delete a record on another namespace even if the database name matches"),
		((("NS", "DB").into(), Role::Viewer), ("NS", "DB"), false, "viewer at database level should not be able to delete a record on its database"),
		((("NS", "DB").into(), Role::Viewer), ("NS", "OTHER_DB"), false, "viewer at database level should not be able to delete a record on another database"),
		((("NS", "DB").into(), Role::Viewer), ("OTHER_NS", "DB"), false, "viewer at database level should not be able to delete a record on another namespace even if the database name matches"),
	];

	let statement = "DELETE person:test";

	for ((level, role), (ns, db), should_succeed, msg) in tests.into_iter() {
		let sess = Session::for_level(level, role).with_ns(ns).with_db(db);

		{
			let ds = Datastore::new("memory").await.unwrap().with_auth_enabled(auth_enabled);

			let mut resp = ds
				.execute("CREATE person:test", &Session::owner().with_ns("NS").with_db("DB"), None)
				.await
				.unwrap();
			let res = resp.remove(0).output();
			assert!(
				res.is_ok() && res.unwrap() != Value::parse("[]"),
				"unexpected error creating person record"
			);

			let mut resp = ds
				.execute(
					"CREATE person:test",
					&Session::owner().with_ns("OTHER_NS").with_db("DB"),
					None,
				)
				.await
				.unwrap();
			let res = resp.remove(0).output();
			assert!(
				res.is_ok() && res.unwrap() != Value::parse("[]"),
				"unexpected error creating person record"
			);

			let mut resp = ds
				.execute(
					"CREATE person:test",
					&Session::owner().with_ns("NS").with_db("OTHER_DB"),
					None,
				)
				.await
				.unwrap();
			let res = resp.remove(0).output();
			assert!(
				res.is_ok() && res.unwrap() != Value::parse("[]"),
				"unexpected error creating person record"
			);

			// Run the test
			let mut resp = ds.execute(statement, &sess, None).await.unwrap();
			let res = resp.remove(0).output();
			assert!(res.is_ok(), "delete should not fail");

			if should_succeed {
				// Verify the record has been deleted
				let mut resp = ds
					.execute(
						"SELECT * FROM person:test",
						&Session::owner().with_ns("NS").with_db("DB"),
						None,
					)
					.await
					.unwrap();
				let res = resp.remove(0).output();
				assert!(res.is_ok() && res.unwrap() == Value::parse("[]"), "{}", msg);
			} else {
				// Verify the record has not been deleted in any DB
				let mut resp = ds
					.execute(
						"SELECT * FROM person:test",
						&Session::owner().with_ns("NS").with_db("DB"),
						None,
					)
					.await
					.unwrap();
				let res = resp.remove(0).output();
				assert!(res.is_ok() && res.unwrap() != Value::parse("[]"), "{}", msg);

				let mut resp = ds
					.execute(
						"SELECT * FROM person:test",
						&Session::owner().with_ns("OTHER_NS").with_db("DB"),
						None,
					)
					.await
					.unwrap();
				let res = resp.remove(0).output();
				assert!(res.is_ok() && res.unwrap() != Value::parse("[]"), "{}", msg);

				let mut resp = ds
					.execute(
						"SELECT * FROM person:test",
						&Session::owner().with_ns("NS").with_db("OTHER_DB"),
						None,
					)
					.await
					.unwrap();
				let res = resp.remove(0).output();
				assert!(res.is_ok() && res.unwrap() != Value::parse("[]"), "{}", msg);
			}
		}
	}
}

#[tokio::test]
async fn check_permissions_auth_enabled() {
	let auth_enabled = true;
	//
	// Test common scenarios
	//
	common_permissions_checks(auth_enabled).await;

	//
	// Test Anonymous user
	//

	let statement = "DELETE person:test";

	// When the table exists but grants no permissions
	{
		let ds = Datastore::new("memory").await.unwrap().with_auth_enabled(auth_enabled);

		let mut resp = ds
			.execute(
				"DEFINE TABLE person PERMISSIONS NONE; CREATE person:test",
				&Session::owner().with_ns("NS").with_db("DB"),
				None,
			)
			.await
			.unwrap();
		let res = resp.remove(0).output();
		assert!(res.is_ok(), "failed to create table: {:?}", res);
		let res = resp.remove(0).output();
		assert!(res.is_ok() && res.unwrap() != Value::parse("[]"), "{}", "failed to create record");

		let mut resp = ds
			.execute(statement, &Session::default().with_ns("NS").with_db("DB"), None)
			.await
			.unwrap();
		let res = resp.remove(0).output();

		assert!(res.is_ok(), "delete should succeed even if it doesn't really delete anything");

		// Verify the record has not been deleted
		let mut resp = ds
			.execute(
				"SELECT * FROM person:test",
				&Session::owner().with_ns("NS").with_db("DB"),
				None,
			)
			.await
			.unwrap();
		let res = resp.remove(0).output();
		assert!(
			res.is_ok() && res.unwrap() != Value::parse("[]"),
			"{}",
			"anonymous user should not be able to delete a record if the table has no permissions"
		);
	}

	// When the table exists and grants full permissions
	{
		let ds = Datastore::new("memory").await.unwrap().with_auth_enabled(auth_enabled);

		let mut resp = ds
			.execute(
				"DEFINE TABLE person PERMISSIONS FULL; CREATE person:test",
				&Session::owner().with_ns("NS").with_db("DB"),
				None,
			)
			.await
			.unwrap();
		let res = resp.remove(0).output();
		assert!(res.is_ok(), "failed to create table: {:?}", res);
		let res = resp.remove(0).output();
		assert!(res.is_ok() && res.unwrap() != Value::parse("[]"), "{}", "failed to create record");

		let mut resp = ds
			.execute(statement, &Session::default().with_ns("NS").with_db("DB"), None)
			.await
			.unwrap();
		let res = resp.remove(0).output();

		assert!(res.is_ok(), "delete should succeed even if it doesn't really delete anything");

		// Verify the record has been deleted
		let mut resp = ds
			.execute(
				"SELECT * FROM person:test",
				&Session::owner().with_ns("NS").with_db("DB"),
				None,
			)
			.await
			.unwrap();
		let res = resp.remove(0).output();
		assert!(
			res.is_ok() && res.unwrap() == Value::parse("[]"),
			"{}",
			"anonymous user should be able to delete a record if the table has full permissions"
		);
	}
}

#[tokio::test]
async fn check_permissions_auth_disabled() {
	let auth_enabled = false;
	//
	// Test common scenarios
	//
	common_permissions_checks(auth_enabled).await;

	//
	// Test Anonymous user
	//

	let statement = "DELETE person:test";

	// When the table exists but grants no permissions
	{
		let ds = Datastore::new("memory").await.unwrap().with_auth_enabled(auth_enabled);

		let mut resp = ds
			.execute(
				"DEFINE TABLE person PERMISSIONS NONE; CREATE person:test;",
				&Session::owner().with_ns("NS").with_db("DB"),
				None,
			)
			.await
			.unwrap();
		let res = resp.remove(0).output();
		assert!(res.is_ok(), "failed to create table: {:?}", res);
		let res = resp.remove(0).output();
		assert!(res.is_ok() && res.unwrap() != Value::parse("[]"), "{}", "failed to create record");

		let mut resp = ds
			.execute(statement, &Session::default().with_ns("NS").with_db("DB"), None)
			.await
			.unwrap();
		let res = resp.remove(0).output();

		assert!(res.is_ok(), "delete should succeed even if it doesn't really delete anything");

		// Verify the record has been deleted
		let mut resp = ds
			.execute(
				"SELECT * FROM person:test",
				&Session::owner().with_ns("NS").with_db("DB"),
				None,
			)
			.await
			.unwrap();
		let res = resp.remove(0).output();
		assert!(
			res.is_ok() && res.unwrap() == Value::parse("[]"),
			"{}",
			"anonymous user should be able to delete a record if the table has no permissions"
		);
	}

	{
		let ds = Datastore::new("memory").await.unwrap().with_auth_enabled(auth_enabled);

		// When the table exists and grants full permissions
		let mut resp = ds
			.execute(
				"DEFINE TABLE person PERMISSIONS FULL; CREATE person:test;",
				&Session::owner().with_ns("NS").with_db("DB"),
				None,
			)
			.await
			.unwrap();
		let res = resp.remove(0).output();
		assert!(res.is_ok(), "failed to create table: {:?}", res);
		let res = resp.remove(0).output();
		assert!(res.is_ok() && res.unwrap() != Value::parse("[]"), "{}", "failed to create record");

		let mut resp = ds
			.execute(statement, &Session::default().with_ns("NS").with_db("DB"), None)
			.await
			.unwrap();
		let res = resp.remove(0).output();

		assert!(res.is_ok(), "delete should succeed even if it doesn't really delete anything");

		// Verify the record has been deleted
		let mut resp = ds
			.execute(
				"SELECT * FROM person:test",
				&Session::owner().with_ns("NS").with_db("DB"),
				None,
			)
			.await
			.unwrap();
		let res = resp.remove(0).output();
		assert!(
			res.is_ok() && res.unwrap() == Value::parse("[]"),
			"{}",
			"anonymous user should be able to delete a record if the table has full permissions"
		);
	}
}

#[tokio::test]
async fn delete_filtered_live_notification() -> Result<(), Error> {
	let sql = "
		CREATE person:test SET value = 50;
		LIVE SELECT * FROM person WHERE value<100;
		DELETE person:test;
	";
	let dbs = Datastore::new("memory").await?.with_notifications();
	let ses = Session::owner().with_ns("test").with_db("test").with_rt(true);
	let res = &mut dbs.execute(sql, &ses, None).await?;
	assert_eq!(res.len(), 3);
	//
	let tmp = res.remove(0).result?;
	let expected_record = Value::parse(
		"[
			{
				id: person:test,
				value: 50
			}
		]",
	);
	assert_eq!(tmp, expected_record);
	//
	let live_id = res.remove(0).result?;
	let live_id = match live_id {
		Value::Uuid(id) => id,
		_ => panic!("expected uuid"),
	};
	//
	let tmp = res.remove(0).result?;
	let val = Value::parse("[]");
	assert_eq!(tmp, val);
	//
	let notifications = dbs.notifications();
	let notifications = match notifications {
		Some(notifications) => notifications,
		None => panic!("expected notifications"),
	};
	let not = notifications.recv_blocking().unwrap();
	assert_eq!(
		not,
		Notification {
			id: live_id,
			action: Action::Delete,
			result: Value::Thing(Thing {
				tb: "person".to_string(),
				id: Id::String("test".to_string()),
			}),
		}
	);
	Ok(())
}