accounts-frontend/src/components/ui/bsod/BsodMiddleware.test.js

import expect from 'test/unexpected';
import sinon from 'sinon';

import BsodMiddleware from 'components/ui/bsod/BsodMiddleware';

describe('BsodMiddleware', () => {
    [500, 503, 555].forEach((code) =>
        it(`should dispatch for ${code}`, () => {
            const resp = {
                originalResponse: {status: code}
            };

            const dispatch = sinon.spy();
            const logger = {warn: sinon.spy()};

            const middleware = new BsodMiddleware(dispatch, logger);

            return expect(middleware.catch(resp), 'to be rejected with', resp)
                .then(() => {
                    expect(dispatch, 'was called');
                    expect(logger.warn, 'to have a call satisfying', [
                        'Unexpected response (BSoD)',
                        {resp}
                    ]);
                });
        })
    );

    [200, 404].forEach((code) =>
        it(`should not dispatch for ${code}`, () => {
            const resp = {
                originalResponse: {status: code}
            };

            const dispatch = sinon.spy();
            const logger = {warn: sinon.spy()};

            const middleware = new BsodMiddleware(dispatch, logger);

            return expect(middleware.catch(resp), 'to be rejected with', resp)
                .then(() => {
                    expect(dispatch, 'was not called');
                    expect(logger.warn, 'was not called');
                });
        })
    );
});