http2: add diagnostics channel 'http2.server.stream.error' · nodejs/node@2b868e8
1+'use strict';
2+3+const common = require('../common');
4+if (!common.hasCrypto)
5+common.skip('missing crypto');
6+7+// This test ensures that the built-in HTTP/2 diagnostics channels are reporting
8+// the diagnostics messages for the 'http2.server.stream.error' channel when
9+// an error occurs during the processing of a ServerHttp2Stream.
10+11+const assert = require('assert');
12+const dc = require('diagnostics_channel');
13+const http2 = require('http2');
14+const { Duplex } = require('stream');
15+16+let expectedError = null;
17+18+dc.subscribe('http2.server.stream.error', common.mustCall(({ stream, error }) => {
19+// Since ServerHttp2Stream is not exported from any module, this just checks
20+// if the stream is an instance of Duplex and the constructor name is
21+// 'ServerHttp2Stream'.
22+assert.ok(stream instanceof Duplex);
23+assert.strictEqual(stream.constructor.name, 'ServerHttp2Stream');
24+assert.strictEqual(stream.closed, true);
25+assert.strictEqual(stream.destroyed, true);
26+27+assert.ok(error);
28+assert.strictEqual(error, expectedError);
29+}));
30+31+const server = http2.createServer();
32+33+server.on('stream', common.mustCall((stream) => {
34+stream.on('error', common.mustCall((err) => {
35+assert.strictEqual(err, expectedError);
36+}));
37+38+expectedError = new Error('HTTP/2 server stream error');
39+stream.destroy(expectedError);
40+}));
41+42+server.listen(0, common.mustCall(() => {
43+const port = server.address().port;
44+const client = http2.connect(`http://localhost:${port}`);
45+46+const stream = client.request({});
47+stream.on('error', common.mustCall((err) => {
48+assert.strictEqual(err.code, 'ERR_HTTP2_STREAM_ERROR');
49+50+client.close();
51+server.close();
52+}));
53+}));