d2/src/analytics/__tests__/AnalyticsBase.spec.js

Javascript library for DHIS2

import MockApi from '../../api/Api'
import AnalyticsBase from '../AnalyticsBase'

jest.mock('../../api/Api') // src/api/__mocks/Api.js

let base

describe('constructor', () => {
    beforeEach(() => {
        base = new AnalyticsBase(new MockApi())
    })

    it('should not be allowed to be called without new', () => {
        expect(() => AnalyticsBase()).toThrowErrorMatchingSnapshot()
    })

    it('should add the mockApi onto the AnalyticsBase instance', () => {
        const mockApi = MockApi.getApi()
        MockApi.mockClear()

        expect(base.api).toBe(mockApi)
    })

    it('should use the api object when it is passed', () => {
        const apiMockObject = {}

        base = new AnalyticsBase(apiMockObject)

        expect(base.api).toBe(apiMockObject)
    })
})