leap-node/src/api/methods/getPeriodByBlockHeight.test.js

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const getPeriodByBlockHeight = require('./getPeriodByBlockHeight');

const periods = {
  0: { casBitmap: '0x123', slotId: 0, validatorAddress: '0xabc' },
  32: { casBitmap: '0x456', slotId: 1, validatorAddress: '0xdef' },
};

const db = {
  async getPeriodData(height) {
    return periods[height];
  },
};

describe('getPeriodByBlockHeight', () => {
  test('no period for block height', async () => {
    expect(await getPeriodByBlockHeight({}, db, 64)).toBe(null);
  });

  test('existing period for decimal height', async () => {
    expect(await getPeriodByBlockHeight({}, db, 10)).toEqual({
      periodStart: 0,
      periodEnd: 31,
      casBitmap: '0x123',
      slotId: 0,
      validatorAddress: '0xabc',
    });
  });

  test('existing period for hex height', async () => {
    expect(await getPeriodByBlockHeight({}, db, '0x10')).toEqual({
      periodStart: 0,
      periodEnd: 31,
      casBitmap: '0x123',
      slotId: 0,
      validatorAddress: '0xabc',
    });
  });

  test("existing period for 'latest' height", async () => {
    expect(
      await getPeriodByBlockHeight({ blockHeight: 20 }, db, 'latest')
    ).toEqual({
      periodStart: 0,
      periodEnd: 31,
      casBitmap: '0x123',
      slotId: 0,
      validatorAddress: '0xabc',
    });
  });
});