<?php

use PHPUnit\Framework\TestCase;
use ResponsiveMenu\Container\Container;

class ContainerTest extends TestCase {

    public function testCreatedObjectIsReturn() {
        $container = new Container;
        $container['std'] = function($c) {
            return new \StdClass;
        };
        $this->assertInstanceOf('StdClass', $container['std']);
    }

    public function testCreatedObjectIsReturnedWithDependencies() {
        $container = new Container;
        $container['std'] = function($c) {
            return new \StdClass;
        };
        $container['std_two'] = function($c) {
            return new \StdClass($c['std']);
        };
        $this->assertInstanceOf('StdClass', $container['std']);
        $this->assertInstanceOf('StdClass', $container['std_two']);
    }

    public function testVariableIsReturned() {
        $container = new Container;
        $container['var'] = 5;
        $this->assertEquals(5, $container['var']);
    }

    public function testVariableIsset() {
        $container = new Container;
        $container['var'] = 5;
        $this->assertTrue(isset($container['var']));
        $this->assertFalse(isset($container['not_set']));
    }

    public function testVariableKeys() {
        $container = new Container;
        $container['var'] = 5;
        $container['var_two'] = 6;
        $this->assertEquals(['var', 'var_two'], $container->keys());
    }

    /**
     * @expectedException \InvalidArgumentException
     */
    public function testExceptionThrownIfDoesntExist() {
        $container = new Container;
        $container['doesnt_exist'];
    }

    /**
     * @expectedException \InvalidArgumentException
     */
    public function testExceptionThrownIfDoesntExistAfterUnsetting() {
        $container = new Container;
        $container['to_delete'] = 5;
        unset($container['to_delete']);
        $container['to_delete'];
    }

}