Drop support for PHP 5.6 (paysera#24)

* Drop support for PHP 5.6
* Update PHPUnit version

.gitignore

@@ -2,3 +2,4 @@ vendor/
 build/
 bin/
 composer.lock
+/.phpunit.result.cache

composer.json

@@ -17,7 +17,7 @@
         }
     },
     "require": {
-        "php": ">=5.6",
+        "php": "^7.0 || ^8.0",
         "ext-bcmath": "*",
         "ext-mbstring": "*",
         "maba/math": "^1.0",
@@ -27,7 +27,8 @@
         "symfony/dependency-injection": "^2.3 || ^3.0 || ^4.0 || ^5.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^5.0"
+        "phpunit/phpunit": "^6.5 || ^9.6",
+        "yoast/phpunit-polyfills": "^1.0"
     },
     "config": {
         "bin-dir": "bin",

phpunit.xml.dist

@@ -1,22 +1,17 @@
 <?xml version="1.0" encoding="UTF-8"?>
-
-<!-- http://www.phpunit.de/manual/current/en/appendixes.configuration.html -->
-<phpunit
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/4.8/phpunit.xsd"
-    backupGlobals               = "false"
-    backupStaticAttributes      = "false"
-    colors                      = "true"
-    convertErrorsToExceptions   = "true"
-    convertNoticesToExceptions  = "true"
-    convertWarningsToExceptions = "true"
-    processIsolation            = "false"
-    stopOnFailure               = "false"
-    bootstrap                   = "vendor/autoload.php" >
-
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="./vendor/phpunit/phpunit/phpunit.xsd"
+         bootstrap="tests/bootstrap.php"
+         colors="true">
     <testsuites>
-        <testsuite name="Project Test Suite">
+        <testsuite name="Money Test Suite">
             <directory>tests/</directory>
         </testsuite>
     </testsuites>
+
+    <coverage processUncoveredFiles="true">
+        <include>
+            <directory suffix=".php">src/</directory>
+        </include>
+    </coverage>
 </phpunit>

tests/AggregatedMoneyTest.php

@@ -4,8 +4,9 @@
 
 use Evp\Component\Money\AggregatedMoney;
 use Evp\Component\Money\Money;
+use PHPUnit\Framework\TestCase;
 
-class AggregatedMoneyTest extends \PHPUnit_Framework_TestCase
+class AggregatedMoneyTest extends TestCase
 {
     /**
      * @param Money $one
@@ -34,4 +35,4 @@ public function addProvider()
             array(new Money('1', 'EUR'), new Money('-2', 'EUR'), new Money('-1', 'EUR'))
         );
     }
-}
+}

tests/BcMathTest.php

@@ -3,8 +3,9 @@
 namespace Evp\Component\Money\Tests;
 
 use Evp\Component\Money\BcMath;
+use Yoast\PHPUnitPolyfills\TestCases\TestCase;
 
-class BcMathTest extends \PHPUnit_Framework_TestCase
+class BcMathTest extends TestCase
 {
     /**
      * @var \Evp\Component\Money\BcMath
@@ -14,7 +15,7 @@ class BcMathTest extends \PHPUnit_Framework_TestCase
     /**
      * Set up
      */
-    public function setUp()
+    public function set_up()
     {
         $this->math = new BcMath($scale = 6);
     }

tests/CurrencyIsoNumberTest.php

@@ -3,8 +3,10 @@
 namespace Evp\Component\Money\Tests;
 
 use Evp\Component\Money\CurrencyIsoNumber;
+use Evp\Component\Money\MoneyException;
+use PHPUnit\Framework\TestCase;
 
-class CurrencyIsoNumberTest extends \PHPUnit_Framework_TestCase
+class CurrencyIsoNumberTest extends TestCase
 {
     /**
      * @param string $currencyNumber
@@ -22,11 +24,10 @@ public function testGetCurrencyCode($currencyNumber, $expectedCurrencyNumber)
      * @param string $currencyNumber
      *
      * @dataProvider getCurrencyCodeExceptionProvider
-     *
-     * @expectedException \Evp\Component\Money\MoneyException
      */
     public function testGetCurrencyCodeException($currencyNumber)
     {
+        $this->expectException(MoneyException::class);
         $currencyIsoNumber = new CurrencyIsoNumber();
         $currencyIsoNumber->getCurrencyCode($currencyNumber);
     }
@@ -47,11 +48,10 @@ public function testGetCurrencyNumber($currencyCode, $expectedCurrencyCode)
      * @param string $currencyCode
      *
      * @dataProvider getCurrencyNumberExceptionProvider
-     *
-     * @expectedException \Evp\Component\Money\MoneyException
      */
     public function testGetCurrencyNumberException($currencyCode)
     {
+        $this->expectException(MoneyException::class);
         $currencyIsoNumber = new CurrencyIsoNumber();
         $currencyIsoNumber->getCurrencyNumber($currencyCode);
     }

tests/MoneyComparator.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace Evp\Component\Money\Tests;
+
+use Evp\Component\Money\Money;
+use SebastianBergmann\Comparator\Comparator;
+use SebastianBergmann\Comparator\ComparisonFailure;
+
+class MoneyComparator extends Comparator
+{
+
+    public function accepts($expected, $actual)
+    {
+        return $expected instanceof Money && $actual instanceof Money;
+    }
+
+    public function assertEquals($expected, $actual, $delta = 0.0, $canonicalize = false, $ignoreCase = false)
+    {
+        assert($expected instanceof Money);
+        assert($actual instanceof Money);
+
+        if (!$expected->isEqual($actual)) {
+            throw new ComparisonFailure(
+                $expected,
+                $actual,
+                $expected->getAsString(),
+                $actual->getAsString(),
+                false,
+                'Failed asserting that two Money objects are equal.'
+            );
+        }
+    }
+}