Update test suite to drop database automatically when test is successfull

tests/api/helpers.rs

@@ -5,14 +5,14 @@ use argon2::{
 use fake::{Fake, faker::internet::en::SafeEmail};
 use linkify::{Link, LinkFinder};
 use once_cell::sync::Lazy;
-use sqlx::{Connection, Executor, PgConnection, PgPool};
+use sqlx::PgPool;
 use uuid::Uuid;
 use wiremock::{
     Mock, MockBuilder, MockServer, ResponseTemplate,
     matchers::{method, path},
 };
 use zero2prod::{
-    configuration::{DatabaseSettings, get_configuration},
+    configuration::get_configuration,
     email_client::EmailClient,
     issue_delivery_worker::{ExecutionOutcome, try_execute_task},
     startup::Application,
@@ -80,19 +80,22 @@ pub struct TestApp {
 }
 
 impl TestApp {
-    pub async fn spawn() -> Self {
+    pub async fn spawn(connection_pool: PgPool) -> Self {
         Lazy::force(&TRACING);
 
         let email_server = MockServer::start().await;
         let configuration = {
             let mut c = get_configuration().expect("Failed to read configuration");
-            c.database.database_name = Uuid::new_v4().to_string();
             c.application.port = 0;
             c.email_client.base_url = email_server.uri();
+            c.database.database_name = connection_pool
+                .connect_options()
+                .get_database()
+                .unwrap()
+                .to_string();
             c
         };
         let local_addr = configuration.application.host.clone();
-        let connection_pool = configure_database(&configuration.database).await;
         let email_client = EmailClient::build(configuration.email_client.clone()).unwrap();
         let application = Application::build(configuration)
             .await
@@ -312,26 +315,6 @@ impl TestApp {
     }
 }
 
-async fn configure_database(config: &DatabaseSettings) -> PgPool {
-    let mut connection = PgConnection::connect_with(&config.without_db())
-        .await
-        .expect("Failed to connect to Postgres");
-    connection
-        .execute(format!(r#"CREATE DATABASE "{}";"#, config.database_name).as_ref())
-        .await
-        .expect("Failed to create the database");
-
-    let connection_pool = PgPool::connect_with(config.with_db())
-        .await
-        .expect("Failed to connect to Postgres");
-    sqlx::migrate!("./migrations")
-        .run(&connection_pool)
-        .await
-        .expect("Failed to migrate the database");
-
-    connection_pool
-}
-
 pub fn assert_is_redirect_to(response: &reqwest::Response, location: &str) {
     assert!(
         response.status().as_u16() == 303