axios/test/specs/core/buildFullPath.spec.js

import buildFullPath from '../../../lib/core/buildFullPath';

describe('helpers::buildFullPath', function () {
  it('should combine URLs when the requestedURL is relative', function () {
    expect(buildFullPath('https://api.github.com', '/users')).toBe('https://api.github.com/users');
  });

  it('should not combine the URLs when the requestedURL is absolute', function () {
    expect(buildFullPath('https://api.github.com', 'https://api.example.com/users')).toBe('https://api.example.com/users');
  });

  it('should combine the URLs when the requestedURL is absolute and allowAbsoluteUrls is false', function () {
    expect(buildFullPath('https://api.github.com', 'https://api.example.com/users', false)).toBe('https://api.github.com/https://api.example.com/users');
  });

  it('should not combine the URLs when the requestedURL is absolute, allowAbsoluteUrls is false, and the baseURL is not configured', function () {
    expect(buildFullPath(undefined, 'https://api.example.com/users', false)).toBe('https://api.example.com/users');
  });

  it('should not combine URLs when the baseURL is not configured', function () {
    expect(buildFullPath(undefined, '/users')).toBe('/users');
  });

  it('should combine URLs when the baseURL and requestedURL are relative', function () {
    expect(buildFullPath('/api', '/users')).toBe('/api/users');
  });

});