API phpunit 9 support

.travis.yml

@@ -1,13 +1,13 @@
 language: php
 
-dist: trusty
+dist: xenial
 
 matrix:
   fast_finish: true
   include:
-    - php: 5.6
+    - php: 7.3
       env: PHPUNIT_TEST=1 PHPCS_TEST=1
-    - php: 7.0
+    - php: 7.4
       env: PHPUNIT_TEST=1
 
 before_script:

composer.json

@@ -5,10 +5,10 @@
     "require": {
         "php": "^5.6||^7.0",
         "symfony/process": "^3.0 || ^4.0",
-        "silverstripe/framework": "^4"
+        "silverstripe/framework": "^4.10"
     },
     "require-dev": {
-        "phpunit/phpunit": "^5.7"
+        "phpunit/phpunit": "^9"
     },
     "autoload": {
         "psr-4": {

phpunit.xml.dist

@@ -1,5 +1,7 @@
 <phpunit bootstrap="vendor/silverstripe/framework/tests/bootstrap.php" colors="true">
-	<testsuite name="Default">
-		<directory>tests</directory>
-	</testsuite>
+	<testsuites>
+		<testsuite name="Default">
+			<directory>tests</directory>
+		</testsuite>
+	</testsuites>
 </phpunit>

tests/ServerTest.php

@@ -3,11 +3,11 @@
 namespace SilverStripe\Serve\Tests;
 
 use BadMethodCallException;
-use PHPUnit_Framework_TestCase;
+use PHPUnit\Framework\TestCase;
 use SilverStripe\Serve\ServerFactory;
 use SilverStripe\Serve\PortChecker;
 
-class ServerTest extends PHPUnit_Framework_TestCase
+class ServerTest extends TestCase
 {
     public function testStartStop()
     {
@@ -25,7 +25,7 @@ public function testStartStop()
         $content = file_get_contents($server->getURL() . 'Security/login');
 
         // Check that the login form exists on the displayed page
-        $this->assertContains('MemberLoginForm_LoginForm', $content);
+        $this->assertStringContainsString('MemberLoginForm_LoginForm', $content);
 
         // When it stops, it stops listening
         $server->stop();
@@ -41,7 +41,7 @@ public function testStartTwiceFails()
         ]);
 
         // Start fails because the server is already started
-        $this->setExpectedException('LogicException');
+        $this->expectException(\LogicException::class);
         $server->start();
     }
 
@@ -56,7 +56,7 @@ public function testStopTwiceFails()
         $server->stop();
 
         // Stop a 2nd fails because the server is already stopped
-        $this->setExpectedException('LogicException');
+        $this->expectException(\LogicException::class);
         $server->stop();
     }