mirror of
https://github.com/MedzikUser/HomeDisk.git
synced 2024-08-14 21:46:53 +00:00
265 lines
7.3 KiB
Rust
265 lines
7.3 KiB
Rust
use futures_util::TryStreamExt;
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use log::debug;
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use sqlx::{sqlite::SqliteQueryResult, Executor, Row, SqlitePool};
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use super::{Error, User};
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/// SQL Database
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#[derive(Debug, Clone)]
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pub struct Database {
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/// SQLite Connection Pool
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pub conn: SqlitePool,
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}
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impl Database {
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/// Open a SQLite database
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/// ```no_run
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/// # async fn foo() -> anyhow::Result<()> {
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/// use homedisk_database::Database;
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///
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/// // open database in memory
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/// Database::open("sqlite::memory:").await?;
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///
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/// // open database from file
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/// Database::open("path/to/database.db").await?;
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///
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/// # Ok(()) }
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/// ```
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pub async fn open(path: &str) -> Result<Self, Error> {
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debug!("Opening SQLite database");
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// create a database pool
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let conn = SqlitePool::connect(path).await?;
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// return `Database`
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Ok(Self { conn })
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}
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/// Create all required tabled for HomeDisk
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/// ```
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/// # async fn foo() -> anyhow::Result<()> {
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/// # let db = homedisk_database::Database::open("sqlite::memory:").await?;
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/// db.create_tables().await?;
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///
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/// # Ok(()) }
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/// ```
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pub async fn create_tables(&self) -> Result<SqliteQueryResult, Error> {
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let query = sqlx::query(include_str!("../../tables.sql"));
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Ok(self.conn.execute(query).await?)
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}
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/// Create a new User
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/// ```
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/// # async fn foo() -> anyhow::Result<()> {
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/// # let db = homedisk_database::Database::open("sqlite::memory:").await?;
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/// # db.create_tables().await?;
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/// use homedisk_database::User;
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///
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/// // create `User` type
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/// let user = User::new("username", "password");
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///
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/// // create a user in database
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/// db.create_user(&user).await?;
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///
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/// # Ok(()) }
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/// ```
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pub async fn create_user(&self, user: &User) -> Result<SqliteQueryResult, Error> {
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debug!("Creating user - {}", user.username);
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// insert user to a database
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let query = sqlx::query("INSERT INTO user (id, username, password) VALUES (?, ?, ?)")
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.bind(&user.id)
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.bind(&user.username)
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.bind(&user.password);
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// execute query and return output
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Ok(self.conn.execute(query).await?)
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}
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/// Search for a user
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/// ```
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/// # async fn foo() -> anyhow::Result<()> {
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/// # let db = homedisk_database::Database::open("sqlite::memory:").await?;
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/// # db.create_tables().await?;
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/// use homedisk_database::User;
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///
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/// // create `User` type
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/// let user = User::new("username", "password");
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///
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/// # db.create_user(&user).await?;
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/// db.find_user(&user).await?;
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///
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/// # Ok(()) }
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/// ```
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pub async fn find_user(&self, user: &User) -> Result<User, Error> {
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debug!("Searching for a user - {}", user.username);
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// create query request to database
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let query =
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sqlx::query_as::<_, User>("SELECT * FROM user WHERE username = ? AND password = ?")
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.bind(&user.username)
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.bind(&user.password);
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// fetch query
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let mut stream = self.conn.fetch(query);
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// get rows from query
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let row = stream.try_next().await?.ok_or(Error::UserNotFound)?;
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// get `id` row
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let id = row.try_get("id")?;
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// get `username` row
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let username = row.try_get("username")?;
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// get `password` row
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let password = row.try_get("password")?;
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// return `User`
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Ok(User {
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id,
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username,
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password,
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})
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}
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/// Search for a user by UUID
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/// ```
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/// # async fn foo() -> anyhow::Result<()> {
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/// # let db = homedisk_database::Database::open("sqlite::memory:").await?;
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/// # db.create_tables().await?;
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/// use homedisk_database::User;
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///
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/// // create `User` type
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/// let user = User::new("username", "password");
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///
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/// # db.create_user(&user).await?;
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/// db.find_user_by_id(&user.id).await?;
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///
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/// # Ok(()) }
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/// ```
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pub async fn find_user_by_id(&self, id: &str) -> Result<User, Error> {
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debug!("Searching for a user by UUID - {}", id);
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// create query request to database
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let query = sqlx::query_as::<_, User>("SELECT * FROM user WHERE id = ?").bind(id);
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// fetch query
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let mut stream = self.conn.fetch(query);
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// get rows from query
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let row = stream.try_next().await?.ok_or(Error::UserNotFound)?;
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// get `id` row
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let id = row.try_get("id")?;
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// get `username` row
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let username = row.try_get("username")?;
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// get `password` row
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let password = row.try_get("password")?;
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// return `User`
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Ok(User {
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id,
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username,
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password,
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})
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}
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}
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#[cfg(test)]
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mod tests {
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use crate::{Database, User};
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const USERNAME: &str = "medzik";
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const PASSWORD: &str = "SuperSecretPassword123!";
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/// Utils to open database in tests
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async fn open_db() -> Database {
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Database::open("sqlite::memory:").await.expect("open db")
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}
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/// Utils to create a new user in tests
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async fn new_user(db: &Database) {
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// create tables
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db.create_tables().await.expect("create tables");
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// create new user
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let user = User::new(USERNAME, PASSWORD);
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db.create_user(&user).await.expect("create user");
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}
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/// Test a create user
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#[tokio::test]
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async fn create_user() {
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let db = open_db().await;
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new_user(&db).await;
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}
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// Test a search for a user
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#[tokio::test]
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async fn find_user() {
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let db = open_db().await;
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new_user(&db).await;
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let user = User::new(USERNAME, PASSWORD);
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let user = db.find_user(&user).await.unwrap();
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assert_eq!(user.username, USERNAME)
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}
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// Test a search for a user by id
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#[tokio::test]
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async fn find_user_by_id() {
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let db = open_db().await;
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new_user(&db).await;
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let user = User::new(USERNAME, PASSWORD);
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let user = db.find_user_by_id(&user.id).await.unwrap();
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assert_eq!(user.username, USERNAME)
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}
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/// Test a search for a user with an invalid password to see if the user is returned (it shouldn't be)
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#[tokio::test]
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async fn find_user_wrong_password() {
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let db = open_db().await;
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new_user(&db).await;
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let user = User::new(USERNAME, "wrong password 123!");
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let err = db.find_user(&user).await.unwrap_err();
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assert_eq!(err.to_string(), "user not found")
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}
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/// Test a search for a user who does not exist
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#[tokio::test]
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async fn find_user_wrong_username() {
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let db = open_db().await;
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new_user(&db).await;
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let user = User::new("not_exists_user", PASSWORD);
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let err = db.find_user(&user).await.unwrap_err();
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assert_eq!(err.to_string(), "user not found")
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}
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/// Test a search for a user by UUID who does not exist
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#[tokio::test]
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async fn find_user_wrong_id() {
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let db = open_db().await;
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new_user(&db).await;
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let other_user = User::new("not_exists_user", "my secret passphrase");
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let err = db.find_user_by_id(&other_user.id).await.unwrap_err();
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assert_eq!(err.to_string(), "user not found")
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}
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}
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