/**
* Copyright 2024 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import * as assert from 'assert';
import { describe, it } from 'node:test';
import { GenerateResponseChunk } from '../../src/generate.js';
describe('GenerateResponseChunk', () => {
describe('text accumulation', () => {
const testChunk = new GenerateResponseChunk(
{ index: 0, role: 'model', content: [{ text: 'new' }] },
{
previousChunks: [
{ index: 0, role: 'model', content: [{ text: 'old1' }] },
{ index: 0, role: 'model', content: [{ text: 'old2' }] },
],
}
);
it('#previousText should concatenate the text of previous parts', () => {
assert.strictEqual(testChunk.previousText, 'old1old2');
});
it('#accumulatedText should concatenate previous with current text', () => {
assert.strictEqual(testChunk.accumulatedText, 'old1old2new');
});
});
});