Run tests on PHPUnit 9 and update PHPUnit configuration schema for PHPUnit 9.3

.gitattributes

@@ -3,4 +3,5 @@
 /.travis.yml export-ignore
 /examples/ export-ignore
 /phpunit.xml.dist export-ignore
+/phpunit.xml.legacy export-ignore
 /tests/ export-ignore

.travis.yml

@@ -13,10 +13,9 @@ php:
 # lock distro so new future defaults will not break the build
 dist: trusty
 
-sudo: false
-
 install:
-  - composer install --no-interaction
+  - composer install
 
 script:
-  - vendor/bin/phpunit --coverage-text
+  - if [[ "$TRAVIS_PHP_VERSION" > "7.2" ]]; then vendor/bin/phpunit --coverage-text; fi
+  - if [[ "$TRAVIS_PHP_VERSION" < "7.3" ]]; then vendor/bin/phpunit --coverage-text -c phpunit.xml.legacy; fi

composer.json

@@ -23,6 +23,6 @@
         "react/http": "^1.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^7.0 || ^6.4 || ^5.7 || ^4.8.35"
+        "phpunit/phpunit": "^9.3 || ^5.7 || ^4.8.35"
     }
 }

phpunit.xml.dist

@@ -1,14 +1,19 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit bootstrap="vendor/autoload.php" colors="true">
+<!-- PHPUnit configuration file with new format for PHPUnit 9.3+ -->
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
+         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+         bootstrap="vendor/autoload.php"
+         colors="true"
+         cacheResult="false">
     <testsuites>
         <testsuite name="EventSource Test Suite">
             <directory>./tests/</directory>
         </testsuite>
     </testsuites>
-    <filter>
-        <whitelist>
+    <coverage>
+        <include>
             <directory>./src/</directory>
-        </whitelist>
-    </filter>
+        </include>
+    </coverage>
 </phpunit>

phpunit.xml.legacy

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!-- PHPUnit configuration file with old format for PHPUnit 9.2 or older -->
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/4.8/phpunit.xsd"
+         bootstrap="vendor/autoload.php"
+         colors="true">
+    <testsuites>
+        <testsuite name="EventSource Test Suite">
+            <directory>./tests/</directory>
+        </testsuite>
+    </testsuites>
+    <filter>
+        <whitelist>
+            <directory>./src/</directory>
+        </whitelist>
+    </filter>
+</phpunit>

tests/EventSourceTest.php

@@ -13,30 +13,24 @@
 
 class EventSourceTest extends TestCase
 {
-    /**
-     * @expectedException InvalidArgumentException
-     */
     public function testConstructorThrowsIfFirstArgumentIsNotAnUri()
     {
         $loop = $this->getMockBuilder('React\EventLoop\LoopInterface')->getMock();
+        $this->setExpectedException('InvalidArgumentException');
         new EventSource('///', $loop);
     }
 
-    /**
-     * @expectedException InvalidArgumentException
-     */
     public function testConstructorThrowsIfUriArgumentDoesNotIncludeScheme()
     {
         $loop = $this->getMockBuilder('React\EventLoop\LoopInterface')->getMock();
+        $this->setExpectedException('InvalidArgumentException');
         new EventSource('example.com', $loop);
     }
 
-    /**
-     * @expectedException InvalidArgumentException
-     */
     public function testConstructorThrowsIfUriArgumentIncludesInvalidScheme()
     {
         $loop = $this->getMockBuilder('React\EventLoop\LoopInterface')->getMock();
+        $this->setExpectedException('InvalidArgumentException');
         new EventSource('ftp://example.com', $loop);
     }
 
@@ -620,4 +614,21 @@ public function testReconnectAfterStreamClosesUsesLastEventIdFromParsedEventStre
         $this->assertNotNull($timerReconnect);
         $timerReconnect();
     }
+
+    public function setExpectedException($exception, $exceptionMessage = '', $exceptionCode = null)
+    {
+        if (method_exists($this, 'expectException')) {
+            // PHPUnit 5.2+
+            $this->expectException($exception);
+            if ($exceptionMessage !== '') {
+                $this->expectExceptionMessage($exceptionMessage);
+            }
+            if ($exceptionCode !== null) {
+                $this->expectExceptionCode($exceptionCode);
+            }
+        } else {
+            // legacy PHPUnit 4 - PHPUnit 5.1
+            parent::setExpectedException($exception, $exceptionMessage, $exceptionCode);
+        }
+    }
 }