microLocator.scenarios.spec.ts

/**
 * @license
 * Copyright Jeremy Likness. All Rights Reserved.
 *
 * Use of this source code is governed by an MIT license that can be
 * found in the LICENSE file at https://github.com/jeremylikness/micro-locator/LICENSE
 */
import { Locator } from '../src/microLocator';

interface ITest {
    requested: string;
    expected: string;
}

/**  
Here are the basic URLs: 

/api/accounting/func1 
/api/accounting/func2 
/api/billing/func3 
/api/billing/func4 

SCENARIO 1: 

Rebase the root so everything is http://production/api/accounting .. .etc. 

SCENARIO 2: 

Accounting 'func2' gets implemented on an experimental server http://experimental/func 

Senario 3: 

Billing is moved to http://billing.production/func3 etc. 

*/

describe('scenarios', () => {

    let loc: Locator = null;
    let locate: (sig: string) => string = null;

    beforeEach(() => {
        loc = new Locator();
        loc.rebase('/', 'http://production');
        loc.rebase('/api/billing', 'http://billing.production/').truncate();
        loc.replace('/api/accounting/func2', 'http://experimental/func');
        locate = sig => loc.resolve(sig);
    });

    describe('scenario 1', () => {

        it('rebases any urls without explicit match', () => {
            expect(locate('/api/accounting/func1')).toBe('http://production/api/accounting/func1');
        });

    });

     describe('scenario 2', () => {

        it('replaces the url', () => {
            expect(locate('/api/accounting/func2')).toBe('http://experimental/func');
        });

    });

    describe('scenario 3', () => {

        it('rebases the url with truncation', () => {
            expect(locate('/api/billing/func3')).toBe('http://billing.production/func3');
            expect(locate('/api/billing/func4')).toBe('http://billing.production/func4');
        });
    });
});