@ledgerhq/coin-stellar/src/logic/getBalance.test.ts

Ledger Stellar Coin integration

// SPDX-FileCopyrightText: © 2026 LEDGER SAS
// SPDX-License-Identifier: Apache-2.0

import { fetchAccount } from '../network'
import { getBalance } from './getBalance'

jest.mock('../network', () => ({
  fetchAccount: jest.fn(),
}))

describe('getBalance', () => {
  it('returns native balance when no assets are present', async () => {
    ;(fetchAccount as jest.Mock).mockResolvedValue({
      balance: 100000000,
      spendableBalance: 99999990,
      assets: [],
    })

    const result = await getBalance('test-address')

    expect(result).toEqual([
      {
        value: BigInt(100000000),
        asset: { type: 'native' },
        locked: BigInt(10),
      },
    ])
  })

  it('returns native and asset balances when assets are present', async () => {
    ;(fetchAccount as jest.Mock).mockResolvedValue({
      balance: 100000000,
      spendableBalance: 99999990,
      assets: [
        {
          asset_type: 'credit_alphanum4',
          asset_code: 'USDC',
          asset_issuer: 'GA5ZSEJYB37JRC5AVCIA5MOP4RHTM335X2KGX3IHOJAPP5RE34K4KZVN',
          balance: '50.1234567',
        },
      ],
    })

    const result = await getBalance('test-address')

    expect(result).toEqual([
      {
        value: BigInt(100000000),
        asset: { type: 'native' },
        locked: BigInt(10),
      },
      {
        value: BigInt(501234567),
        asset: {
          type: 'credit_alphanum4',
          assetReference: 'USDC',
          assetOwner: 'GA5ZSEJYB37JRC5AVCIA5MOP4RHTM335X2KGX3IHOJAPP5RE34K4KZVN',
        },
      },
    ])

    expect(fetchAccount).toHaveBeenCalledWith('test-address')
  })
})