Chicho challenge

Use

1. Fork this repository
2. Run composer install
3. Run php ./vendor/phpunit/phpunit/phpunit (requires php >= 7.3 if you use other version please update composer.json file first)

Tasks

• Fix any errors and add the necessary to make the test work and commit it
• Add a test for the method makeCallByName passing a valid contact, mock up any hard dependency and add the right assertions
• Add the necessary code in the production code to check when the contact is not found and add another test to test that case
• Add your own logic to send a SMS given a number and the body, the method should validate the number using the validateNumber method from ContactService and using the provider property’s methods
• When writing the tests you should mock every method from ContactService

Bonus

• Can you add support for two mobile carriers? How would you accomplish that?