sqlx/tests/sqlite/error.rs

use sqlx::{error::ErrorKind, sqlite::Sqlite, Connection, Executor};
use sqlx_sqlite::{SqliteConnection, SqliteError};
use sqlx_test::new;

#[sqlx_macros::test]
async fn it_fails_with_unique_violation() -> anyhow::Result<()> {
    let mut conn = new::<Sqlite>().await?;
    let mut tx = conn.begin().await?;

    let res: Result<_, sqlx::Error> = sqlx::query("INSERT INTO tweet VALUES (1, 'Foo', true, 1);")
        .execute(&mut *tx)
        .await;
    let err = res.unwrap_err();

    let err = err.into_database_error().unwrap();

    assert_eq!(err.kind(), ErrorKind::UniqueViolation);

    Ok(())
}

#[sqlx_macros::test]
async fn it_fails_with_foreign_key_violation() -> anyhow::Result<()> {
    let mut conn = new::<Sqlite>().await?;
    let mut tx = conn.begin().await?;

    let res: Result<_, sqlx::Error> =
        sqlx::query("INSERT INTO tweet_reply (id, tweet_id, text) VALUES (2, 2, 'Reply!');")
            .execute(&mut *tx)
            .await;
    let err = res.unwrap_err();

    let err = err.into_database_error().unwrap();

    assert_eq!(err.kind(), ErrorKind::ForeignKeyViolation);

    Ok(())
}

#[sqlx_macros::test]
async fn it_fails_with_not_null_violation() -> anyhow::Result<()> {
    let mut conn = new::<Sqlite>().await?;
    let mut tx = conn.begin().await?;

    let res: Result<_, sqlx::Error> = sqlx::query("INSERT INTO tweet (text) VALUES (null);")
        .execute(&mut *tx)
        .await;
    let err = res.unwrap_err();

    let err = err.into_database_error().unwrap();

    assert_eq!(err.kind(), ErrorKind::NotNullViolation);

    Ok(())
}

#[sqlx_macros::test]
async fn it_fails_with_check_violation() -> anyhow::Result<()> {
    let mut conn = new::<Sqlite>().await?;
    let mut tx = conn.begin().await?;

    let res: Result<_, sqlx::Error> =
        sqlx::query("INSERT INTO products VALUES (1, 'Product 1', 0);")
            .execute(&mut *tx)
            .await;
    let err = res.unwrap_err();

    let err = err.into_database_error().unwrap();

    assert_eq!(err.kind(), ErrorKind::CheckViolation);

    Ok(())
}

#[sqlx_macros::test]
async fn it_fails_with_useful_information() -> anyhow::Result<()> {
    let mut conn = SqliteConnection::connect(":memory:").await?;

    let err: sqlx::Error = sqlx::query("SELECT foo FORM bar")
        .execute(&mut conn)
        .await
        .unwrap_err();

    let sqlx::Error::Database(dbe) = err else {
        panic!("unexpected error kind: {err:?}")
    };

    let dbe= dbe.downcast::<SqliteError>();

    eprintln!("{dbe}");
    eprintln!("{dbe:?}");

    Ok(())
}