level/test/system.spec.js

import { expect, test } from 'vitest'
import { System } from '../src/system.js'

test('system - instantiates and stores inventory correctly', () => {
    let testSystem = new System()
    testSystem.add('aaa', ['input_test', 'output_test', { id: 'aaa' }])
    expect(testSystem.inputs).toStrictEqual(['input_test'])
    expect(testSystem.outputs).toStrictEqual(['output_test'])
    expect(testSystem.containers[0].id).toStrictEqual('aaa')

    // Make sure inputs and outputs get reassigned
    testSystem.replaceContainer({ id: 'aaa' })
    expect(testSystem.inputs).toStrictEqual(['input_test'])
    expect(testSystem.outputs).toStrictEqual(['output_test'])
    expect(testSystem.containers[0].id).toStrictEqual('aaa')

    const inputs = testSystem.inputsFor({ id: 'aaa' })
    expect(inputs).toStrictEqual('input_test')

    const outputs = testSystem.outputsFor({ id: 'aaa' })
    expect(outputs).toStrictEqual('output_test')

    testSystem.remove('aaa')
    expect(testSystem.inventory).toStrictEqual({})
})