Merge pull request #480 from Zhubaoheng/develop_max_2024_dec_2

feat: Add test for binary data stream.

test/binaryDataStream.test.js

@@ -0,0 +1,45 @@
+import test from 'ava';
+import Crawler from '../dist/index.js';
+import nock from 'nock';
+import { testCb } from "./lib/avaTestCb.js";
+
+
+const binaryData = Buffer.from('Hello, World!', 'utf-8');
+
+test.beforeEach(t => {
+  nock('http://example.com')
+    .get('/binary-data')
+    .reply(200, binaryData, {
+      'Content-Type': 'application/octet-stream',
+    });
+
+  t.context.crawler = new Crawler({
+    encoding: null,
+    callback: (err, res, done) => {
+      if (err) {
+        console.error(err.stack);
+        return done(err);
+      }
+
+      const buffers = [];
+      res.body.on('data', chunk => buffers.push(chunk));
+      res.body.on('end', () => {
+        const result = Buffer.concat(buffers);
+        t.is(result.toString(), 'Hello, World!', 'The binary stream should match the expected content');
+        done();
+      });
+    },
+  });
+});
+
+
+testCb(test, 'should correctly handle and process a binary data stream', async t => {
+    t.context.crawler.send({
+        url: 'http://example.com/binary-data',
+        callback: (error, res) => {
+            t.is(error, null);
+            t.is(res.statusCode, 200);
+            t.end();
+        },
+    });
+});