#![cfg(feature = "test-sbf")]

use borsh::BorshDeserialize;
use loris_sandbox_spl_counter_test::{accounts::Counter, instructions::CreateBuilder};
use solana_program_test::{tokio, ProgramTest};
use solana_sdk::{signature::Signer, transaction::Transaction};

#[tokio::test]
async fn create() {
    let mut context = ProgramTest::new(
        "solana_program_counter",
        loris_sandbox_spl_counter_test::ID,
        None,
    )
    .start_with_context()
    .await;

    // Given a PDA derived from the payer's public key.

    let address = Counter::find_pda(&context.payer.pubkey()).0;

    let ix = CreateBuilder::new()
        .counter(address)
        .authority(context.payer.pubkey())
        .payer(context.payer.pubkey())
        .instruction();

    // When we create a new counter.

    let tx = Transaction::new_signed_with_payer(
        &[ix],
        Some(&context.payer.pubkey()),
        &[&context.payer],
        context.last_blockhash,
    );
    context.banks_client.process_transaction(tx).await.unwrap();

    // Then an account was created with the correct data.

    let account = context.banks_client.get_account(address).await.unwrap();

    assert!(account.is_some());

    let account = account.unwrap();
    assert_eq!(account.data.len(), Counter::LEN);

    let mut account_data = account.data.as_ref();
    let counter = Counter::deserialize(&mut account_data).unwrap();
    assert_eq!(counter.authority, context.payer.pubkey());
    assert_eq!(counter.value, 0);
}