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Archimidis/app.js

Created January 11, 2018 08:47
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  1. Archimidis revised this gist Jan 11, 2018. No changes.
  2. Archimidis created this gist Jan 11, 2018.
    56 changes: 56 additions & 0 deletions app.js
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    Original file line number Diff line number Diff line change
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    // UserRepository.js -------------------------------------------------------------------------
    // ... implementation

    module.exports = UserRepository;

    // UserService.js -------------------------------------------------------------------------
    // ... implementation

    module.exports = UserService;

    // createNewUser.js -------------------------------------------------------------------------
    const createNewUser = (userService) => (newUser) => {
    // ... implementation that uses userService
    }

    module.exports = createController;

    // app.js -------------------------------------------------------------------------
    const express = require('express')
    const app = express()
    const UserRepository = require('./UserRepository');
    const UserService = require('./UserService');

    // initialize db and everything
    const userRepository = new UserRepository();
    const userservice = new UserService(userRepository);

    const createNewUser = require('./createNewUser')(userservice);

    app.post('/register', (req, res) => {
    const newUser = req.body;
    // prepare other args as well
    createNewUser(newUser)
    .then(result => res.json({ /* ... */ })
    .catch(error => res.json({ /* ... */ });
    });

    app.listen(3000, () => console.log('Example app listening on port 3000!'))

    // Test: createNewUser.spec.js -------------------------------------------------------------------------
    describe('createNewUser', function() {
    it('will fail when insert new user', function() {
    const userServiceStub = {
    getByEmail() {
    return Promise.resolve('[email protected]');
    },
    insertUser(user) {
    return Promise.reject({ /* error props */ });
    }
    };

    const result = createNewUser(userservice))({ /* user data */ })

    // assert on result ...
    });
    });