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我正在更新一个库以使用最新的 Hapi 库,包括 Lab。使用旧版本的 Lab,我能够运行两个experiments,每个都有自己的Hapi.server实例,并且都使用 port 3000。然而,新版本的 Lab 要么完成得太快,要么异步运行,导致第二个实验出现“正在使用的端口”错误。

var lab = exports.lab = Lab.script();
var routes = [{...}, {...}, {...}];

lab.before(async () => { ... });

lab.experiment('experiments', () => {

    lab.experiment('experiment 1', () => {

        var server;

        lab.before(() => {
          server = Hapi.server({ port: 3000 });
          return server.start();
        });

        lab.test('test 1.1', async () => {
            return server.register(Plugin)
            .then(() => server.route(routes))
            .catch((error) => console.log(error));
        });

        lab.experiment('experiment 1.1', () => {
            lab.test('test 1.1.1', async () => {
                const response = await server.inject({...});
                Code.expect(response.result)...;
            });

            lab.test('test 1.1.2', async () => {
                const response = await server.inject({...});
                Code.expect(response.result)...;
            });
        });
        
    });

    lab.experiment('experiment 2', () => {

        var server;

        lab.before(() => {
          server = Hapi.server({ port: 3000 });  
          return server.start();
        });

        lab.test('test 1.1', async () => {
            return server.register([{...}, {...}])
            .then(() => server.route(routes))
            .catch((error) => console.log(error));
        });

        lab.experiment('experiment 2.1', () => {
            lab.test('test 2.1.1', async () => {
                const response = await server.inject({...});
                Code.expect(response.result)...;
            });
            lab.test('test 2.1.2', async () => {
                const response = await server.inject({...});
                Code.expect(response.statusCode)...;
            });
        });
    });
});

第二个实验失败:

listen EADDRINUSE: address already in use 0.0.0.0:3000
      at Server.setupListenHandle [as _listen2] (net.js:1318:16)
      at listenInCluster (net.js:1366:12)
      at doListen (net.js:1503:7)
      at processTicksAndRejections (internal/process/task_queues.js:81:21)

There were 1 test script error(s).

更改端口以3001解决问题,但我想知道 Lab 发生了什么变化,以及我可以进行哪些更改,以便两个服务器实例可以使用相同的端口。

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0 回答 0