Update dependencies and implement email service integration

- Refactor app and email modules to include email service
- Add tests for user sign-up and mock email service

backend/tests/http.rs

@@ -5,6 +5,7 @@ use cookie::Cookie;
 use scraper::{ElementRef, Html, Selector};
 
 use recipes::app;
+use serde::Serialize;
 
 mod utils;
 
@@ -92,3 +93,36 @@ async fn user_edit() -> Result<(), Box<dyn Error>> {
 
     Ok(())
 }
+
+#[derive(Serialize, Debug)]
+pub struct SignUpFormData {
+    email: String,
+    password_1: String,
+    password_2: String,
+}
+
+#[tokio::test]
+async fn sign_up() -> Result<(), Box<dyn Error>> {
+    // Arrange.
+    let state = utils::common_state().await?;
+    let server = TestServer::new(app::make_service(state))?;
+
+    // Act.
+    let response = server
+        .post("/signup")
+        .form(&SignUpFormData {
+            email: "president@spaceball.planet".into(),
+            password_1: "12345678".into(),
+            password_2: "12345678".into(),
+        })
+        .await;
+
+    // Assert.
+    response.assert_status_ok();
+
+    let document = Html::parse_document(&response.text());
+    assert_eq!(document.errors.len(), 0);
+    dbg!(response);
+
+    Ok(())
+}