var assert = require('assert');
var QueryStream = require('../');

describe('stream config options', () => {
  // this is mostly for backwards compatability.
  it('sets readable.highWaterMark based on batch size', () => {
    var stream = new QueryStream('SELECT NOW()', [], {
      batchSize: 88,
    });
    assert.equal(stream._readableState.highWaterMark, 88);
  });

  it('sets readable.highWaterMark based on highWaterMark config', () => {
    var stream = new QueryStream('SELECT NOW()', [], {
      highWaterMark: 88,
    });

    assert.equal(stream._readableState.highWaterMark, 88);
  });

  it('defaults to 100 for highWaterMark', () => {
    var stream = new QueryStream('SELECT NOW()', []);

    assert.equal(stream._readableState.highWaterMark, 100);
  });
});