lib/graphql/resolvers/queries/__tests__/userMoviesPerYear.spec.js
const userMoviesPerYear = require('../userMoviesPerYear')
const { verifyToken } = require('../../../../services/token')
jest.mock('../../../../services/token', () => ({
verifyToken: jest.fn().mockImplementation(() =>
Promise.resolve({
id: 2,
})
),
}))
describe('queries/userMoviesPerYear', () => {
let db
beforeEach(() => {
db = {
query: jest.fn().mockReturnValue('dbData'),
}
})
it('should verify token', () => {
userMoviesPerYear(null, {}, { db, token: 'test' })
expect(verifyToken).toHaveBeenCalledWith('test')
})
it('should get how many movies a user has seen per year', async () => {
await userMoviesPerYear(null, {}, { db })
expect(db.query.mock.calls[0][0]).toMatchSnapshot()
})
it('should return database data', async () => {
const response = await userMoviesPerYear(null, {}, { db })
expect(response).toEqual('dbData')
})
it('should handle errors', async () => {
db.query.mockImplementation(() => Promise.reject('nope'))
try {
await userMoviesPerYear(null, {}, { db })
} catch (e) {
expect(e.message).toMatch(/nope/)
}
})
})