printer example is now compatible PHPUnit 8.5 and 9.x

Author: llaville

examples/bootstrap.printer.php

@@ -1,33 +1,31 @@
-<?php
+<?php declare(strict_types=1);
 
-$baseDir   = dirname(__DIR__);
-$vendorDir = $baseDir . '/vendor';
-$extraDir  = $baseDir . '/extra';
-
-require_once $vendorDir . '/autoload.php';
+require_once dirname(__DIR__) . '/vendor/autoload.php';
 
 use Bartlett\LoggerTestListenerTrait;
 
+use PHPUnit\Framework\TestListener;
+use PHPUnit\Framework\TestResult;
+use PHPUnit\Runner\Version;
+use PHPUnit\Util\Getopt as GetOptUtil;
+use PHPUnit\Util\Printer;
+
 use Psr\Log\LoggerAwareTrait;
 use Psr\Log\AbstractLogger;
 use Psr\Log\LogLevel;
 
-use PHPUnit\Framework\TestListener;
-use PHPUnit\Util\Getopt as GetOptUtil;
-use PHPUnit\Util\Printer as PrinterUtil;
+use SebastianBergmann\CliParser\Parser as CliParser;
 
 /**
  * Helper to detect phpunit switches, due to lack of implementation in custom printer classes
  * @see https://github.com/sebastianbergmann/phpunit/issues/1674
  */
 trait GetOpt
 {
-    public function isVerbose()
+    public function isVerbose(): bool
     {
-        list ($opts, $non_opts) = GetOptUtil::getopt(
-            $_SERVER['argv'],
-            'd:c:hv'
-        );
+        list ($opts, $non_opts) = $this->parseCliArguments();
+
         $key = array_search('--verbose', $non_opts);
         if ($key === false) {
             foreach ($opts as $opt) {
@@ -41,15 +39,23 @@ public function isVerbose()
         return is_int($key);
     }
 
-    public function isDebug()
+    public function isDebug(): bool
     {
-        list ($opts, $non_opts) = GetOptUtil::getopt(
-            $_SERVER['argv'],
-            'd:c:hv'
-        );
+        list ($opts, $non_opts) = $this->parseCliArguments();
+
         $key = array_search('--debug', $non_opts);
         return is_int($key);
     }
+
+    private function parseCliArguments(): array
+    {
+        $parameters = $_SERVER['argv'];
+        $shortOptions = 'd:c:hv';
+        if (version_compare(Version::id(), '9.3.8', 'ge')) {
+            return (new CliParser)->parse($parameters, $shortOptions);
+        }
+        return GetOptUtil::parse($parameters, $shortOptions);
+    }
 }
 
 class Psr3ConsoleLogger extends AbstractLogger
@@ -96,12 +102,10 @@ public function log($level, $message, array $context = array())
     }
 }
 
-class ResultPrinter extends PrinterUtil implements TestListener
+abstract class BaseResultPrinter extends Printer
 {
     use LoggerTestListenerTrait, LoggerAwareTrait, GetOpt;
 
-    protected $numAssertions = 0;
-
     /**
      * {@inheritDoc}
      */
@@ -116,6 +120,24 @@ public function __construct($out = null)
         } else {
             $level = LogLevel::NOTICE;
         }
-        $this->setLogger(new \Psr3ConsoleLogger('PHPUnitPrinterLogger', $level));
+        $this->setLogger(new Psr3ConsoleLogger('PHPUnitPrinterLogger', $level));
+    }
+}
+
+/**
+ * Since PHPUnit 9.0.0, PHPUnit\TextUI\ResultPrinter became an interface
+ * [#4024](https://github.com/sebastianbergmann/phpunit/issues/4024)
+ */
+if (version_compare(Version::id(), '9.0.0', 'ge')) {
+    final class ResultPrinter extends BaseResultPrinter implements \PHPUnit\TextUI\ResultPrinter
+    {
+        public function printResult(TestResult $result): void
+        {
+            // none implementation to avoid default printing behavior
+        }
+    }
+} else {
+    final class ResultPrinter extends BaseResultPrinter implements TestListener
+    {
     }
 }