import { AxiosRequestConfig } from 'axios';
import { isSameOrigin } from '../is-same-origin';

describe(isSameOrigin.name, () => {
    const originalLocation = window.location;
    let config: AxiosRequestConfig;

    function mockLocation(location: any) {
        Object.defineProperty(window, 'location', { configurable: true, value: location });
    }

    beforeEach(() => {
        mockLocation(originalLocation);
        config = {};
    });

    const subject = () => isSameOrigin(config);

    function itReturns(value: boolean) {
        test(`returns ${value}`, () => {
            expect(subject()).toBe(value);
        });
    }

    describe('with no url', () => {
        beforeEach(() => delete config.url);

        itReturns(false);
    });

    describe('with relative url', () => {
        beforeEach(() => (config.url = '/foo'));

        itReturns(true);

        describe('with baseURL', () => {
            beforeEach(() => (config.baseURL = 'https://www.example.com/bar'));

            itReturns(false);

            describe('when window.location.origin matches baseURL', () => {
                beforeEach(() => mockLocation(new URL(config.baseURL!)));

                itReturns(true);
            });

            describe('when baseURL is relative', () => {
                beforeEach(() => (config.baseURL = '/bar'));

                itReturns(true);
            });
        });
    });

    describe('with absolute url', () => {
        beforeEach(() => (config.url = 'https://www.example.com/foo'));

        itReturns(false);

        describe('when absolute url matches window.location.origin', () => {
            beforeEach(() => (config.url = `${window.location.origin}/foo`));

            itReturns(true);
        });
    });
});