Function loader_load_one

tests/loader_tests.rs:9–44

()

#[sea_orm_macros::test]
async fn loader_load_one() -> Result<(), DbErr> {
    let ctx = TestContext::new("loader_test_load_one").await;
    create_tables(&ctx.db).await?;

    let bakery_0 = insert_bakery(&ctx.db, "SeaSide Bakery").await?;

    let baker_1 = insert_baker(&ctx.db, "Baker 1", bakery_0.id).await?;
    let baker_2 = insert_baker(&ctx.db, "Baker 2", bakery_0.id).await?;
    let baker_3 = baker::ActiveModel {
        name: Set("Baker 3".to_owned()),
        contact_details: Set(serde_json::json!({})),
        bakery_id: Set(None),
        ..Default::default()
    }
    .insert(&ctx.db)
    .await?;

    let bakers = baker::Entity::find().all(&ctx.db).await?;
    let bakeries = bakers.load_one(bakery::Entity, &ctx.db).await?;

    assert_eq!(bakers, [baker_1, baker_2, baker_3]);
    assert_eq!(bakeries, [Some(bakery_0.clone()), Some(bakery_0), None]);

    // has many find, should use load_many instead
    let bakeries = bakery::Entity::find().all(&ctx.db).await?;
    let bakers = bakeries.load_one(baker::Entity, &ctx.db).await;

    assert_eq!(
        bakers,
        Err(DbErr::Query(RuntimeErr::Internal(
            "Relation is HasMany instead of HasOne".to_string()
        )))
    );

    Ok(())
}

#[sea_orm_macros::test]
async fn loader_load_many() -> Result<(), DbErr> {