modernization. phpunit 9, package upgrades, newer php syntax and feat…

…ures

.gitignore

@@ -1,3 +1,4 @@
 composer.lock
 composer.phar
-/vendor/
+/vendor/
+.phpunit.result.cache

README.md

@@ -31,26 +31,25 @@ and create a new one in your computer.
 
     php composer.phar create-project kata/php bowling-kata dev-master
 
-Then add your classes to 'src/Kata' and your test cases to
-'src/Kata/Tests' and run 'php bin/phpunit' to run your tests.
+Then add your classes to `src/Kata` and your test cases to
+`src/Kata/Tests` and run `php bin/phpunit` to run your tests.
 
     php bin/phpunit
 
 TestCase examples
 =================
 
-If you run 'php bin/phpunit' you will see the following output.
+If you run `php bin/phpunit` you will see the following output.
 
-    PHPUnit 3.8-gc4f2bcd by Sebastian Bergmann.
+    PHPUnit 9.5.20
 
-    Configuration read from /Users/carlosbuenosvinos/Documents/Web/bowling/phpunit.xml
+    ...                 3 / 3 (100%)
 
-    ...
+    Time: 00:00.003, Memory: 6.00 MB
 
-    Time: 91 ms, Memory: 1.75Mb
     OK (3 tests, 3 assertions)
 
 That's because you will find one class and its TestCase in the project
 in order to help you. You can delete them.
 
-Adder is a class that adds two numbers and AdderTest tests that.
+`Adder` is a class that adds two numbers and `AdderTest` tests that.

composer.json

@@ -1,13 +1,13 @@
 {
     "name": "kata/php",
     "description": "PHP Kata skeleton",
-    "keywords": ["kata","TDD"],
+    "keywords": ["kata", "TDD"],
     "homepage": "https://github.com/carlosbuenosvinos/php-kata",
     "type": "library",
     "require-dev": {
-        "phpunit/phpunit": "5.5.*@dev",
-        "mockery/mockery": "dev-master@dev",
-        "phpspec/phpspec": "3.0.*@dev"
+        "phpunit/phpunit": "^9.5",
+        "mockery/mockery": "^1.5",
+        "phpspec/phpspec": "^7.0"
     },
     "license": "MIT",
     "authors": [
@@ -18,7 +18,8 @@
     ],
     "autoload": {
         "psr-4": {
-            "Kata\\": "src/"
+            "Kata\\": "src/",
+            "Kata\\Tests\\": "tests/"
         }
     },
     "config": {

phpunit.xml

@@ -1,16 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         syntaxCheck="false"
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="./vendor/phpunit/phpunit/phpunit.xsd"
          bootstrap="vendor/autoload.php"
-        >
+         colors="true">
     <php>
         <ini name="intl.default_locale" value="en"/>
         <ini name="intl.error_level" value="0"/>
@@ -23,9 +15,9 @@
         </testsuite>
     </testsuites>
 
-    <filter>
-        <whitelist>
-            <directory>./src/</directory>
-        </whitelist>
-    </filter>
-</phpunit>
+    <coverage processUncoveredFiles="true">
+        <include>
+            <directory suffix=".php">./src</directory>
+        </include>
+    </coverage>
+</phpunit>

src/Adder.php

@@ -1,19 +1,11 @@
 <?php
+
 namespace Kata;
 
-/**
- * Class Adder
- * @package Kata
- */
 class Adder
 {
-    /**
-     * @param int $first
-     * @param int $second
-     * @return int
-     */
-    public function add($first, $second)
+    public function add(?int $first, ?int $second): int
     {
         return (int) $first + (int) $second;
     }
-}
+}

tests/AdderTest.php

@@ -1,31 +1,29 @@
 <?php
+
 namespace Kata\Tests;
 
 use Kata\Adder;
+use PHPUnit\Framework\TestCase;
 
-class AdderTest extends \PHPUnit_Framework_TestCase
+class AdderTest extends TestCase
 {
     /**
-     * @test
      * @dataProvider validSumsProvider
-     * @param int $a
-     * @param int $b
-     * @param $expectedResult
      */
-    public function validSums($a, $b, $expectedResult)
+    public function testValidSums(?int $a, ?int $b, int $expectedResult): void
     {
         $this->assertEquals(
             $expectedResult,
             (new Adder())->add($a, $b)
         );
     }
 
-    public function validSumsProvider()
+    public function validSumsProvider(): array
     {
         return [
             [null, null, 0],
             [0, 0, 0],
             [1, 1, 2]
         ];
     }
-}
+}