app/tests/units/services/data/apiRequestService.test.ts

import { describe, expect, test, beforeEach } from 'vitest'
import type { $Fetch } from 'nitropack'
import ApiRequestService from '~/services/data/apiRequestService'
import { HTTP_METHOD } from '~/types/enum/data'
import type { AssociativeArray } from '~/types/data'

let fetcher: $Fetch
let apiRequestService: ApiRequestService

beforeEach(() => {
  // @ts-ignore
  fetcher = vi.fn(
    (url: string, config: FetchOptions) => 'fetch_response',
  ) as $Fetch
  apiRequestService = new ApiRequestService(fetcher)
})

const mockedRequestMethod = (
  method: HTTP_METHOD,
  url: string,
  body: string | null = null,
  params: AssociativeArray | null = null,
  query: AssociativeArray | null = null,
) => 'a_response'

describe('get', () => {
  test('simple call', async () => {
    // @ts-ignore
    apiRequestService.request = vi.fn(mockedRequestMethod)

    const result = await apiRequestService.get('https://myapi.com/api/item')

    expect(result).toEqual('a_response')
    // @ts-ignore
    expect(apiRequestService.request).toHaveBeenCalledWith(
      HTTP_METHOD.GET,
      'https://myapi.com/api/item',
      null,
      null,
      null,
    )
  })
  test('with query and headers', async () => {
    // @ts-ignore
    apiRequestService.request = vi.fn(mockedRequestMethod)

    const result = await apiRequestService.get(
      'https://myapi.com/api/item',
      {
        a: 1,
      },
      { b: 2 },
    )

    expect(result).toEqual('a_response')
    // @ts-ignore
    expect(apiRequestService.request).toHaveBeenCalledWith(
      HTTP_METHOD.GET,
      'https://myapi.com/api/item',
      null,
      { a: 1 },
      { b: 2 },
    )
  })
})

describe('post', () => {
  test('simple call', async () => {
    // @ts-ignore
    apiRequestService.request = vi.fn(mockedRequestMethod)

    const result = await apiRequestService.post(
      'https://myapi.com/api/item',
      'request_body',
    )

    expect(result).toEqual('a_response')
    // @ts-ignore
    expect(apiRequestService.request).toHaveBeenCalledWith(
      HTTP_METHOD.POST,
      'https://myapi.com/api/item',
      'request_body',
      null,
      null,
    )
  })
  test('with query and headers', async () => {
    // @ts-ignore
    apiRequestService.request = vi.fn(mockedRequestMethod)

    const result = await apiRequestService.post(
      'https://myapi.com/api/item',
      'request_body',
      { a: 1 },
      { b: 2 },
    )

    expect(result).toEqual('a_response')
    // @ts-ignore
    expect(apiRequestService.request).toHaveBeenCalledWith(
      HTTP_METHOD.POST,
      'https://myapi.com/api/item',
      'request_body',
      { a: 1 },
      { b: 2 },
    )
  })
})

describe('put', () => {
  test('simple call', async () => {
    // @ts-ignore
    apiRequestService.request = vi.fn(mockedRequestMethod)

    const result = await apiRequestService.put(
      'https://myapi.com/api/item',
      'request_body'
    )

    expect(result).toEqual('a_response')
    // @ts-ignore
    expect(apiRequestService.request).toHaveBeenCalledWith(
      HTTP_METHOD.PUT,
      'https://myapi.com/api/item',
      'request_body',
      null,
      null,
    )
  })
  test('with query and headers', async () => {
    // @ts-ignore
    apiRequestService.request = vi.fn(mockedRequestMethod)

    const result = await apiRequestService.put(
      'https://myapi.com/api/item',
      'request_body',
      { a: 1 },
      { b: 2 },
    )

    expect(result).toEqual('a_response')
    // @ts-ignore
    expect(apiRequestService.request).toHaveBeenCalledWith(
      HTTP_METHOD.PUT,
      'https://myapi.com/api/item',
      'request_body',
      { a: 1 },
      { b: 2 },
    )
  })
})

describe('delete', () => {
  test('simple call', async () => {
    // @ts-ignore
    apiRequestService.request = vi.fn(mockedRequestMethod)

    const result = await apiRequestService.delete(
      'https://myapi.com/api/item'
    )

    expect(result).toEqual('a_response')
    // @ts-ignore
    expect(apiRequestService.request).toHaveBeenCalledWith(
      HTTP_METHOD.DELETE,
      'https://myapi.com/api/item',
      null,
      null,
      null,
    )
  })
  test('with query and headers', async () => {
    // @ts-ignore
    apiRequestService.request = vi.fn(mockedRequestMethod)

    const result = await apiRequestService.delete(
      'https://myapi.com/api/item',
      { a: 1 },
      { b: 2 },
    )

    expect(result).toEqual('a_response')
    // @ts-ignore
    expect(apiRequestService.request).toHaveBeenCalledWith(
      HTTP_METHOD.DELETE,
      'https://myapi.com/api/item',
      null,
      { a: 1 },
      { b: 2 },
    )
  })
})

describe('request', () => {
  test('simple call', async () => {
    // @ts-ignore
    const result = await apiRequestService.request(
      HTTP_METHOD.GET,
      'https://myapi.com/api/item',
    )

    expect(result).toEqual('fetch_response')
    // @ts-ignore
    expect(fetcher).toHaveBeenCalledWith('https://myapi.com/api/item', {
      method: 'GET',
    })
  })

  test('post with body', async () => {
    // @ts-ignore
    const result = await apiRequestService.request(
      HTTP_METHOD.POST,
      'https://myapi.com/api/item',
      'a_body',
    )

    expect(result).toEqual('fetch_response')
    // @ts-ignore
    expect(fetcher).toHaveBeenCalledWith('https://myapi.com/api/item', {
      method: 'POST',
      body: 'a_body',
    })
  })

  test('put with body', async () => {
    // @ts-ignore
    const result = await apiRequestService.request(
      HTTP_METHOD.PUT,
      'https://myapi.com/api/item',
      'a_body',
    )

    expect(result).toEqual('fetch_response')
    // @ts-ignore
    expect(fetcher).toHaveBeenCalledWith('https://myapi.com/api/item', {
      method: 'PUT',
      body: 'a_body',
    })
  })

  test('get : body must be ignored even if provided', async () => {
    // @ts-ignore
    const result = await apiRequestService.request(
      HTTP_METHOD.GET,
      'https://myapi.com/api/item',
      'a_body',
    )

    expect(result).toEqual('fetch_response')
    // @ts-ignore
    expect(fetcher).toHaveBeenCalledWith('https://myapi.com/api/item', {
      method: 'GET',
    })
  })

  test('with query', async () => {
    // @ts-ignore
    const result = await apiRequestService.request(
      HTTP_METHOD.PUT,
      'https://myapi.com/api/item',
      'a_body',
      { a: 1 },
    )

    expect(result).toEqual('fetch_response')
    // @ts-ignore
    expect(fetcher).toHaveBeenCalledWith('https://myapi.com/api/item', {
      method: 'PUT',
      body: 'a_body',
      query: { a: 1 },
    })
  })
})