solana-program-examples/basics/account-data/anchor/tests/test.ts

import * as anchor from "@coral-xyz/anchor"
import { AnchorProgramExample } from "../target/types/anchor_program_example"
import { Keypair } from "@solana/web3.js"

describe("Account Data!", () => {
  const provider = anchor.AnchorProvider.env()
  anchor.setProvider(provider)
  const payer = provider.wallet as anchor.Wallet
  const program = anchor.workspace
    .AnchorProgramExample as anchor.Program<AnchorProgramExample>

  // Generate a new keypair for the addressInfo account
  const addressInfoAccount = new Keypair()

  it("Create the address info account", async () => {
    console.log(`Payer Address      : ${payer.publicKey}`)
    console.log(`Address Info Acct  : ${addressInfoAccount.publicKey}`)

    // Instruction data
    const addressInfo = {
      name: "Joe C",
      houseNumber: 136,
      street: "Mile High Dr.",
      city: "Solana Beach",
    }

    await program.methods
      .createAddressInfo(
        addressInfo.name,
        addressInfo.houseNumber,
        addressInfo.street,
        addressInfo.city
      )
      .accounts({
        addressInfo: addressInfoAccount.publicKey,
        payer: payer.publicKey,
      })
      .signers([addressInfoAccount])
      .rpc()
  })

  it("Read the new account's data", async () => {
    const addressInfo = await program.account.addressInfo.fetch(
      addressInfoAccount.publicKey
    )
    console.log(`Name     : ${addressInfo.name}`)
    console.log(`House Num: ${addressInfo.houseNumber}`)
    console.log(`Street   : ${addressInfo.street}`)
    console.log(`City     : ${addressInfo.city}`)
  })
})