token/p-token/tests/initialize_account2.rs

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

mod setup;

use setup::{mint, TOKEN_PROGRAM_ID};
use solana_program_test::{tokio, ProgramTest};
use solana_sdk::{
    program_pack::Pack,
    pubkey::Pubkey,
    signature::{Keypair, Signer},
    system_instruction,
    transaction::Transaction,
};

#[test_case::test_case(TOKEN_PROGRAM_ID ; "p-token")]
#[tokio::test]
async fn initialize_account2(token_program: Pubkey) {
    let mut context = ProgramTest::new("token_program", TOKEN_PROGRAM_ID, None)
        .start_with_context()
        .await;

    // Given a mint account.

    let mint_authority = Pubkey::new_unique();
    let freeze_authority = Pubkey::new_unique();

    let mint = mint::initialize(
        &mut context,
        mint_authority,
        Some(freeze_authority),
        &token_program,
    )
    .await
    .unwrap();

    // Given a mint authority, freeze authority and an account keypair.

    let owner = Pubkey::new_unique();
    let account = Keypair::new();

    let account_size = 165;
    let rent = context.banks_client.get_rent().await.unwrap();

    let mut initialize_ix = spl_token::instruction::initialize_account2(
        &spl_token::ID,
        &account.pubkey(),
        &mint,
        &owner,
    )
    .unwrap();
    // Switches the program id to the token program.
    initialize_ix.program_id = token_program;

    // When a new mint account is created and initialized.

    let instructions = vec![
        system_instruction::create_account(
            &context.payer.pubkey(),
            &account.pubkey(),
            rent.minimum_balance(account_size),
            account_size as u64,
            &token_program,
        ),
        initialize_ix,
    ];

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

    // Then an account has the correct data.

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

    assert!(account.is_some());

    let account = account.unwrap();
    let account = spl_token::state::Account::unpack(&account.data).unwrap();

    assert!(!account.is_frozen());
    assert!(account.owner == owner);
    assert!(account.mint == mint);
}