use axum::extract::State;

use crate::{channel::routes, test::fixtures};

#[tokio::test]
async fn empty_list() {
    // Set up the environment

    let app = fixtures::scratch_app().await;
    let viewer = fixtures::login::create(&app).await;

    // Call the endpoint

    let routes::Channels(channels) = routes::list(State(app), viewer)
        .await
        .expect("always succeeds");

    // Verify the semantics

    assert!(channels.is_empty());
}

#[tokio::test]
async fn one_channel() {
    // Set up the environment

    let app = fixtures::scratch_app().await;
    let viewer = fixtures::login::create(&app).await;
    let channel = fixtures::channel::create(&app).await;

    // Call the endpoint

    let routes::Channels(channels) = routes::list(State(app), viewer)
        .await
        .expect("always succeeds");

    // Verify the semantics

    assert!(channels.contains(&channel));
}

#[tokio::test]
async fn multiple_channels() {
    // Set up the environment

    let app = fixtures::scratch_app().await;
    let viewer = fixtures::login::create(&app).await;
    let channels = vec![
        fixtures::channel::create(&app).await,
        fixtures::channel::create(&app).await,
    ];

    // Call the endpoint

    let routes::Channels(response_channels) = routes::list(State(app), viewer)
        .await
        .expect("always succeeds");

    // Verify the semantics

    assert!(channels
        .into_iter()
        .all(|channel| response_channels.contains(&channel)));
}