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我试图用Pact库执行一些测试，我收到一些错误。下面是测试配置：契约退出代码1
const path = require('path');
const Pact = require('pact');
const expect = require('expect.js');
const config = require('../../../src/server/config');
const service = require('../../../src/routes/interactions/interactions.service');
describe('@component/interactions tests',() => {
const url = 'http://localhost';
const port = 8989;
const provider = Pact({
port: port,
log: path.resolve(process.cwd(), 'test/component/interactions/log/interactions-pact.log'),
dir: path.resolve(process.cwd(), 'test/component/interactions/pacts'),
spec: 2,
consumer: 'cx_issue',
provider: 'interaction',
// logLevel: 'WARN'
});
config.settingsToExport.INTERACTION_URL = `${url}:${port}`;
before(done => {
provider.setup()
.then(() => {
done();
})
.catch(err => {
done(err);
});
});
after(done => {
provider.finalize()
.then(() => {
done();
})
.catch(err => {
done(err);
});
});
describe('#createInteraction',() => {
before(done => {
const INTERACTION_BODY = {
contact: 'contact1'
};
const TERM = {
generate: '0dae5b93-9451-4b08-b7bb-f0b944fbcdf2',
matcher: '^[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$'
};
const pactInteractionCreate = {
state: 'Creates a new interaction',
uponReceiving: 'a new interaction is created successfully',
withRequest: {
method: 'POST',
path: '/interactions',
body: INTERACTION_BODY
},
willRespondWith: {
status: 201,
body: {
id: Pact.Matchers.term(TERM)
}
}
};
const promises = [
provider.addInteraction(pactInteractionCreate)
];
Promise.all(promises)
.then(() => {
done();
});
});
it('/api/interactions POST', done => {
const interaction = {
contact: 'The xx'
};
service.createInteraction(interaction)
.then(response => {
expect(response.id).to.be.equal(TERM.generate);
done();
})
.catch(done);
});
});
});
这是我package.json文件内容，与所有依赖我已经安装：
{
"name": "issueAPI",
"version": "1.0.0",
"private": true,
"main": "./src/index.js",
"scripts": {
"dev": "nodemon -e js ./src/index.js",
"start": "node ./src/index.js",
"linter": "node ./node_modules/eslint/bin/eslint.js ./src",
"test": "mocha test",
"test-component": "mocha test/component",
"install-test-build": "npm install && npm test && npm run linter",
"test-build": "npm test && npm run linter"
},
"jshintConfig": {
"esversion": 6
},
"dependencies": {
"ajv": "^4.11.3",
"body-parser": "^1.17.2",
"express": "^4.15.3",
"express-winston": "^2.4.0",
"request": "^2.81.0",
"winston": "^2.3.1",
"yamljs": "^0.2.9"
},
"devDependencies": {
"@pact-foundation/pact-node": "^4.8.3",
"dotenv": "^4.0.0",
"eslint": "^4.2.0",
"eslint-config-node": "^1.6.0",
"expect.js": "^0.3.1",
"mocha": "^3.2.0",
"nodemon": "^1.11.0",
"pact": "^2.3.3",
"sinon": "^2.3.8",
"supertest": "^3.0.0"
}
}
这是错误我得到： 
基本上如果测试结果不好，我现在完全不介意。目前的主要问题是协议模拟服务器没有启动。
这里的奇怪的事情是，我有其他项目，协议测试正常运行。我已经将项目中要测试的服务移到了那些无法正常执行这些测试的项目上，并且它正在运行（至少启动了协议模拟服务器）。在这个其他项目中的依赖关系几乎与问题项目相同：
"dependencies": {
"ajv": "^4.11.3",
"body-parser": "^1.16.1",
"dotenv": "^4.0.0",
"express": "^4.14.0",
"jsonwebtoken": "^7.4.1",
"jwt-simple": "^0.5.1",
"morgan": "^1.8.1",
"mustache-express": "^1.2.4",
"node-env-file": "^0.1.8",
"request": "^2.79.0",
"when": "^3.7.8"
},
"devDependencies": {
"@pact-foundation/pact-node": "^4.8.3",
"eslint": "^3.17.1",
"eslint-config-node": "^1.6.0",
"expect.js": "^0.3.1",
"mocha": "^3.2.0",
"nodemon": "^1.11.0",
"pact": "^2.3.3",
"sinon": "^1.17.7",
"supertest": "^3.0.0",
"nock": "^9.0.13"
}
这种情况是怎么回事？
编辑：我已经推出了pact测试与DEBUG标志，这是日志中生成： 
我想知道它是否与https://github.com/pact-foundation/pact-js/issues/64有关？ –