How to use Typescript, Jest and Axios to mock two different requests in the same unit test?-CodePudding

So I have function A and function B

function A does a GET request

function B does a GET request

function B is inside function A

I want to test the function A, and in order to do that I need to mock two GET requests(one mock for each function) to different endpoints with different responses. How can I do that using Jest and Axios?

I couldn't figure out how to mock the second call:

it("test", async () => {
    mock.get.mockResolvedValue({ data: RESPONSE });

    const response = await functionA(input);

    expect(response).toMatchObject({ status: 1 });
    expect(response.value).toMatchObject({
      state: { status: "OK" },
      data: RESPONSE,
    });
  });

CodePudding user response：

This solved my problem:

mock.get.mockImplementation((url) => {
      switch (url) {
        case 'URL_A':
          return Promise.resolve({data: data_A})
        case 'URL_B':
          return Promise.resolve({data: data_B})
        default:
          return Promise.reject(new Error('error message'))
      }
    })

CodePudding user response：

A good alternative could be to use the mockResolvedValueOnce(...) method.