barikoiapis/test/autocomplete.test.ts

Bangladeshi location data provider API library from barikoi.com

import { autocomplete } from "../src/autocomplete";

// Mocking axios for testing purposes
jest.mock("axios");
import axios from "axios";

describe("autocomplete function", () => {
  it("fetches successfully data from the API", async () => {
    // Mock the axios.get function to return a successful response
    const mockedResponse = {
      data: {
        places: [
          {
            id: 1,
            longitude: "90.3763",
            latitude: "23.8103",
            address: "Dhaka",
            city: "Dhaka",
            area: "Dhaka",
            postCode: 1000,
            pType: "city",
            uCode: "1000",
            address_bn: "ঢাকা",
            city_bn: "ঢাকা",
            area_bn: "ঢাকা",
          },
        ],
        status: 200,
      },
    };
    (axios.get as jest.Mock).mockResolvedValue(mockedResponse);

    // Call the autocomplete function
    const results = await autocomplete({
      q: "jessore",
      city: "dhaka",
      bangla: true,
    });

    // Expectations
    expect(results).toEqual(mockedResponse.data.places);
  });

  it("handles errors correctly", async () => {
    // Mock the axios.get function to simulate an error
    const errorMessage = "Request failed with status code 404";
    (axios.get as jest.Mock).mockRejectedValue(new Error(errorMessage));

    // Call the autocomplete function
    try {
      await autocomplete({ q: "jessore", city: "dhaka" });
    } catch (error) {
      // Expectations for error handling
      expect(error.message).toBe(errorMessage);
    }
  });
});