node/test/parallel/test-http2-multi-content-length.js

// Flags: --expose-http2
'use strict';

const common = require('../common');
const http2 = require('http2');

const server = http2.createServer();

server.on('stream', common.mustCall((stream) => {
  stream.respond();
  stream.end();
}));

server.listen(0, common.mustCall(() => {
  const client = http2.connect(`http://localhost:${server.address().port}`);

  let remaining = 3;
  function maybeClose() {
    if (--remaining === 0) {
      server.close();
      client.destroy();
    }
  }

  // Request 1 will fail because there are two content-length header values
  const req = client.request({
    ':method': 'POST',
    'content-length': 1,
    'Content-Length': 2
  });
  req.on('error', common.expectsError({
    code: 'ERR_HTTP2_HEADER_SINGLE_VALUE',
    type: Error,
    message: 'Header field "content-length" must have only a single value'
  }));
  req.on('error', common.mustCall(maybeClose));
  req.end('a');

  // Request 2 will succeed
  const req2 = client.request({
    ':method': 'POST',
    'content-length': 1
  });
  req2.resume();
  req2.on('end', common.mustCall(maybeClose));
  req2.end('a');

  // Request 3 will fail because  nghttp2 does not allow the content-length
  // header to be set for non-payload bearing requests...
  const req3 = client.request({ 'content-length': 1 });
  req3.resume();
  req3.on('end', common.mustCall(maybeClose));
  req3.on('error', common.expectsError({
    code: 'ERR_HTTP2_STREAM_ERROR',
    type: Error,
    message: 'Stream closed with error code 1'
  }));
}));