how to start an eventstore in Gitlab-CI test - unit-testing

Question

I have the following code in my gitlab repo
package.json
{
...
"scripts": {
"test": "mocha --require ts-node/register --watch-extensions ts,tsx \"src/**/*.{spec,test}.{ts,tsx}\""
}
...
}
.gitlab-ci.yml
stages:
- test
test:
image: node:8
stage: test
script:
- npm install
- npm run test
test.ts
import { exec } from 'child_process';
import { promisify } from 'util';
const Exec = promisify(exec);
describe(test, async () => {
before(async () => {
// next line doesn't work in GitLab-CI
await Exec(`docker run -d --rm -p 1113:1113 -p 2113:2113 eventstore/eventstore`);
// an so on
})
});
it work well when I run "npm run test" in my local machine.
My Question is how can I run this test in Gitlab-CI?

Answer 1

If you try to run tests that connect to eventstore docker you can use gitlab services:
GitLab CI uses the services keyword to define what docker containers
should be linked with your base image.
first, you will need to setup docker executor
then you will be able to use eventstore as a service. here is an example with postgres. more information here.
Example:
test_server:
tags:
- docker
services:
- eventstore:latest
script:
- npm install && npm run test
Edit:
To access the service:
The default aliases for the service’s hostname are created from its image name
Or use an alias:
services:
- name: mysql:latest
alias: mysql-1