App\Test\TestCase\Controller\Component\CurrencyConverterComponentTest

Complexity

Total Complexity

11

Size/Duplication

Total Lines	144
Duplicated Lines	58.33 %

Coupling/Cohesion

Components	1
Dependencies	7

Importance

Changes

0

<?php
use Cake\ORM\TableRegistry;

/**
 *
 *
 * BEFORE TESTTING MAKE SURE
 * TO WRITE CURRENT DATETIME INTO THE FIRST RECORDS OF CurrencyratesFixture in tests/Fixture/CurrencyratesFixture
 *
 *
 */
class CurrencyConverterComponentTest extends TestCase
{

    public $fixtures = ['plugin.CurrencyConverter.Currencyrates'];

    /**
     * Component being tested
     *
     * @var \CurrencyConverter\Controller\Component\CurrencyConverterComponent
     */
    public $CurrencyConverter;

    /**
     * @var \Cake\Http\ServerRequest
     */
    protected $request;

    /**
     * @var \Cake\Http\Response
     */
    protected $response;

     /**
     * @var \Cake\Controller\Controller
     */
    protected $controller;

    /**
     * @var \Cake\Controller\ComponentRegistry
     */
    protected $registry;

    /**
     * @var \Cake\ORM\Table
     */
    protected $Table;

    public function setUp()
    {
        // Configuration de notre component et de notre faux controller de test.
        $request = new ServerRequest();
        $response = new Response();
        $this->Controller = new Controller($request, $response);
        $this->Registry = new ComponentRegistry($this->Controller);
        $this->CurrencyConverter = new CurrencyConverterComponent($this->Registry, []);

        $table = TableRegistry::get('Currencyrates');
        $this->Table = $table;
    }

    public function testConfig()
    {
        $this->CurrencyConverter = new CurrencyConverterComponent($this->Registry, []);
        $expected = [
            'database' => 2,
            'refresh' => 24,
            'decimal' => 2
        ];
        $this->assertEquals($expected, $this->CurrencyConverter->getConfig());
    }

    public function testConvertSameCurrency()
    {
        $amount = 20.00;
        $fromCurrency = 'EUR';
        $toCurrency = 'EUR';

        $result = $this->CurrencyConverter->convert($amount, $fromCurrency, $toCurrency);
        $expected = 20.00;
        $this->assertEquals($expected, $result);
    }

    public function testConvertWithComma()
    {
        $amount = '20.00';
        $fromCurrency = 'EUR';
        $toCurrency = 'EUR';

        $result = $this->CurrencyConverter->convert($amount, $fromCurrency, $toCurrency);
        $expected = 20.00;
        $this->assertEquals($expected, $result);
    }

    public function testConvertNumberFormatting()
    {
        $amount = 20.123456;
        $fromCurrency = 'EUR';
        $toCurrency = 'EUR';

        $result = $this->CurrencyConverter->convert($amount, $fromCurrency, $toCurrency);
        $expected = 20.12;
        $this->assertEquals($expected, $result);

        $amount = 20.123456;
        $fromCurrency = 'EUR';
        $toCurrency = 'EUR';

        $this->CurrencyConverter = new CurrencyConverterComponent($this->Registry, [
            'decimal' => 3
        ]);
        $result = $this->CurrencyConverter->convert($amount, $fromCurrency, $toCurrency);
        $expected = 20.123;
        $this->assertEquals($expected, $result);
    }

    public function testConvertUsingDatabaseWhenRateDoNotExistInDatabase()
    {
        $amount = 20.00;
        $fromCurrency = 'EUR';
        $toCurrency = 'USD';

        $result = $this->CurrencyConverter->convert($amount, $fromCurrency, $toCurrency);
        $rate = $this->Table->find('all')->where(['from_currency' => 'EUR', 'to_currency' => 'USD'])->first()->rate;
        $expected = round(number_format($rate * 20.00, 2), 2);

        $this->assertEquals($expected, $result);
    }

    public function testConvertUsingDatabaseWhenRateExistInDatabaseAndNoNeedToBeUpdated()
    {
        $amount = 20.00;
        $fromCurrency = 'EUR';
        $toCurrency = 'GBP';

        $result = $this->CurrencyConverter->convert($amount, $fromCurrency, $toCurrency);
        $expected = round(number_format(0.8 * 20.00, 2), 2);

        $this->assertEquals($expected, $result);
    }

    public function testConvertUsingDatabaseWhenRateExistInDatabaseAndNeedToBeUpdated()
    {
        $amount = 20.00;
        $fromCurrency = 'EUR';
        $toCurrency = 'GBP';
}