API phpunit9 support

composer.json

@@ -21,15 +21,15 @@
     "require": {
         "silverstripe/admin": "^1.9@dev",
         "silverstripe/campaign-admin": "^1.7@dev",
-        "silverstripe/framework": "^4.7@dev",
+        "silverstripe/framework": "^4.10",
         "silverstripe/reports": "^4.7@dev",
         "silverstripe/siteconfig": "^4.7@dev",
         "silverstripe/versioned": "^1.7@dev",
         "silverstripe/vendor-plugin": "^1.0",
-        "php": "^7.1 || ^8"
+        "php": "^7.3 || ^8.0"
     },
     "require-dev": {
-        "sminnee/phpunit": "^5.7",
+        "phpunit/phpunit": "^9.5",
         "squizlabs/php_codesniffer": "^3"
     },
     "extra": {

phpunit.xml.dist

@@ -1,9 +1,9 @@
 <phpunit bootstrap="tests/bootstrap.php" colors="true">
-
+	<testsuites>
 		<testsuite name="Default">
 			<directory>tests</directory>
 		</testsuite>
-
+	</testsuites>
 	<filter>
 		<whitelist addUncoveredFilesFromWhitelist="true">
 			<directory suffix=".php">.</directory>

tests/behat/src/FixtureContext.php

@@ -5,6 +5,7 @@ namespace SilverStripe\CMS\Tests\Behaviour;
 use Behat\Behat\Hook\Scope\BeforeScenarioScope;
 use Behat\Mink\Element\DocumentElement;
 use Behat\Mink\Element\NodeElement;
+use PHPUnit\Framework\Assert;
 use SilverStripe\BehatExtension\Context\BasicContext;
 use SilverStripe\BehatExtension\Context\FixtureContext as BehatFixtureContext;
 use SilverStripe\CMS\Model\RedirectorPage;
@@ -90,7 +91,7 @@ class FixtureContext extends BehatFixtureContext
         $page = $this->getMainContext()->getSession()->getPage();
         $element = $page->find('css', $selector);
 
-        assertNotNull($element, sprintf('Element %s not found', $selector));
+        Assert::assertNotNull($element, sprintf('Element %s not found', $selector));
     }
 
     /**
@@ -109,7 +110,7 @@ class FixtureContext extends BehatFixtureContext
             'radio',
             $this->getMainContext()->getXpathEscaper()->escapeLiteral($radioLabel)
         ]);
-        assertNotNull($radioButton);
+        Assert::assertNotNull($radioButton);
-        assertEquals($value, $radioButton->getAttribute($attribute));
+        Assert::assertEquals($value, $radioButton->getAttribute($attribute));
     }
 }

tests/behat/src/LoginContext.php

@@ -3,6 +3,7 @@
 namespace SilverStripe\CMS\Tests\Behaviour;
 
 use Page;
+use PHPUnit\Framework\Assert;
 use SilverStripe\BehatExtension\Context\LoginContext as BehatLoginContext;
 
 class LoginContext extends BehatLoginContext
@@ -20,16 +21,16 @@ class LoginContext extends BehatLoginContext
     {
         // Reset permission cache
         $page = Page::get()->First();
-        assertNotNull($page, 'A page exists');
+        Assert::assertNotNull($page, 'A page exists');
         $email = "{$permCode}@example.org";
         $password = 'Password!456';
         $member = $this->generateMemberWithPermission($email, $password, $permCode);
         $canEdit = strstr($negative, 'not') ? false : true;
 
         if ($canEdit) {
-            assertTrue($page->canEdit($member), 'The member can edit this page');
+            Assert::assertTrue($page->canEdit($member), 'The member can edit this page');
         } else {
-            assertFalse($page->canEdit($member), 'The member cannot edit this page');
+            Assert::assertFalse($page->canEdit($member), 'The member cannot edit this page');
         }
     }
 }

tests/php/Controllers/CMSBatchActionsTest.php

@@ -19,7 +19,7 @@ class CMSBatchActionsTest extends SapphireTest
 
     protected static $fixture_file = 'CMSBatchActionsTest.yml';
 
-    public function setUp()
+    protected function setUp(): void
     {
         parent::setUp();
 

tests/php/Controllers/CMSMainTest.php

@@ -32,7 +32,7 @@ class CMSMainTest extends FunctionalTest
 
     protected static $orig = [];
 
-    public function setUp()
+    protected function setUp(): void
     {
         parent::setUp();
 
@@ -128,7 +128,7 @@ class CMSMainTest extends FunctionalTest
         $this->logInAs('admin');
 
         $response = $this->get('admin/pages/publishall?confirm=1');
-        $this->assertContains(
+        $this->assertStringContainsString(
             'Done: Published 30 pages',
             $response->getBody()
         );
@@ -218,7 +218,7 @@ class CMSMainTest extends FunctionalTest
         $this->assertTrue($livePage->canDelete());
 
         // Check that the 'restore' button exists as a simple way of checking that the correct page is returned.
-        $this->assertRegExp('/<button type="submit"[^>]+name="action_(restore|revert)"/i', $response->getBody());
+        $this->assertMatchesRegularExpression('/<button type="submit"[^>]+name="action_(restore|revert)"/i', $response->getBody());
     }
 
     /**
@@ -306,7 +306,7 @@ class CMSMainTest extends FunctionalTest
 
         $location = $response->getHeader('X-ControllerURL');
         $this->assertNotEmpty($location, 'Must be a redirect on success');
-        $this->assertContains('/show/', $location, 'Must redirect to /show/ the new page');
+        $this->assertStringContainsString('/show/', $location, 'Must redirect to /show/ the new page');
         $this->logOut();
 
         $this->autoFollowRedirection = $origFollow;

tests/php/Controllers/CMSPageHistoryControllerTest.php

@@ -28,7 +28,7 @@ class CMSPageHistoryControllerTest extends FunctionalTest
         CMSPageHistoryControllerTest\HistoryController::class,
     ];
 
-    protected function setUp()
+    protected function setUp(): void
     {
         parent::setUp();
 
@@ -73,7 +73,7 @@ class CMSPageHistoryControllerTest extends FunctionalTest
         $this->assertEquals($this->page->ID, $form->Fields()->dataFieldByName('ID')->Value());
         $this->assertEquals($this->versionPublishCheck2, $form->Fields()->dataFieldByName('Version')->Value());
 
-        $this->assertContains(
+        $this->assertStringContainsString(
             'Currently viewing the latest version',
             $form->Fields()->fieldByName('Root.Main.CurrentlyViewingMessage')->getContent()
         );
@@ -84,19 +84,19 @@ class CMSPageHistoryControllerTest extends FunctionalTest
 
         $this->assertEquals($this->page->ID, $form->Fields()->dataFieldByName('ID')->Value());
         $this->assertEquals($this->versionPublishCheck, $form->Fields()->dataFieldByName('Version')->Value());
-        $this->assertContains(
+        $this->assertStringContainsString(
             sprintf("Currently viewing version %s.", $this->versionPublishCheck),
             $form->Fields()->fieldByName('Root.Main.CurrentlyViewingMessage')->getContent()
         );
 
         // check that compare mode updates the message
         $form = $controller->getEditForm($this->page->ID, null, $this->versionPublishCheck, $this->versionPublishCheck2);
-        $this->assertContains(
+        $this->assertStringContainsString(
             sprintf("Comparing versions %s", $this->versionPublishCheck),
             $form->Fields()->fieldByName('Root.Main.CurrentlyViewingMessage')->getContent()
         );
 
-        $this->assertContains(
+        $this->assertStringContainsString(
             sprintf("and %s", $this->versionPublishCheck2),
             $form->Fields()->fieldByName('Root.Main.CurrentlyViewingMessage')->getContent()
         );
@@ -142,12 +142,12 @@ class CMSPageHistoryControllerTest extends FunctionalTest
         $i = 0;
         foreach ($rows as $tr) {
             // data-link must be present for the javascript to load new
-            $this->assertContains($expected[$i]['status'], (string) $tr->attributes()->class);
+            $this->assertStringContainsString($expected[$i]['status'], (string) $tr->attributes()->class);
             $i++;
         }
 
         // test highlighting
-        $this->assertContains('active', (string) $rows[0]->attributes()->class);
+        $this->assertStringContainsString('active', (string) $rows[0]->attributes()->class);
         $this->assertThat((string) $rows[1]->attributes()->class, $this->logicalNot($this->stringContains('active')));
     }
 
@@ -157,7 +157,7 @@ class CMSPageHistoryControllerTest extends FunctionalTest
         $checkbox = $this->cssParser()->getBySelector('#Form_VersionsForm_ShowUnpublished');
 
         $this->assertThat($checkbox[0], $this->logicalNot($this->isNull()));
-        $checked = $checkbox[0]->attributes()->checked;
+        $checked = $checkbox[0]->attributes()->checked ?: '';
 
         $this->assertThat($checked, $this->logicalNot($this->stringContains('checked')));
 
@@ -187,7 +187,7 @@ class CMSPageHistoryControllerTest extends FunctionalTest
 
         $field = $newList->dataFieldByName('field');
         $this->assertTrue($field instanceof HTMLReadonlyField);
-        $this->assertContains('<ins>', $field->forTemplate());
+        $this->assertStringContainsString('<ins>', $field->forTemplate());
 
         $groupField = $newList->fieldByName('group');
         $this->assertTrue($groupField instanceof FieldGroup);

tests/php/Controllers/ContentControllerPermissionsTest.php

@@ -39,7 +39,7 @@ class ContentControllerPermissionsTest extends FunctionalTest
         }
         // should redirect to login
         $this->assertEquals($response->getStatusCode(), 302, 'Redirects to login page when not logged in for draft stage');
-        $this->assertContains(
+        $this->assertStringContainsString(
             Config::inst()->get('SilverStripe\\Security\\Security', 'login_url'),
             $response->getHeader('Location')
         );

tests/php/Controllers/ContentControllerSearchExtensionTest.php

@@ -31,7 +31,7 @@ class ContentControllerSearchExtensionTest extends SapphireTest
         $this->assertEquals([ File::class ], $form->getClassesToSearch());
     }
 
-    public static function setUpBeforeClass()
+    public static function setUpBeforeClass(): void
     {
         parent::setUpBeforeClass();
         FulltextSearchable::enable(File::class);
@@ -42,7 +42,7 @@ class ContentControllerSearchExtensionTest extends SapphireTest
      * properly at the end of the test. This becomes apparent when a later test tries to
      * ALTER TABLE File and add fulltext indexes with the InnoDB table type.
      */
-    public static function tearDownAfterClass()
+    public static function tearDownAfterClass(): void
     {
         File::remove_extension(FulltextSearchable::class);
         parent::tearDownAfterClass();

tests/php/Controllers/ContentControllerTest.php

@@ -24,7 +24,7 @@ class ContentControllerTest extends FunctionalTest
         ContentControllerTestPageWithoutController::class,
     ];
 
-    protected function setUp()
+    protected function setUp(): void
     {
         parent::setUp();
 
@@ -148,7 +148,7 @@ class ContentControllerTest extends FunctionalTest
 
         $link = $page->RelativeLink();
         $response = $this->get($link);
-        $this->assertContains(
+        $this->assertStringContainsString(
             sprintf('<a href="%s">Testlink</a>', $linkedPage->Link()),
             $response->getBody(),
             '"sitetree_link" shortcodes get parsed properly'

tests/php/Controllers/LeftAndMainPageIconsExtensionTest.php

@@ -17,12 +17,12 @@ class LeftAndMainPageIconsExtensionTest extends SapphireTest
     {
         $extension = new LeftAndMainPageIconsExtension();
         $css = $extension->generatePageIconsCss();
-        $this->assertNotContains('some invalid string', $css);
+        $this->assertStringNotContainsString('some invalid string', $css);
-        $this->assertContains(
+        $this->assertStringContainsString(
             'tests/php/Controllers/LeftAndMainPageIconsExtensionTest/icon_b.jpg?m=',
             $css
         );
-        $this->assertContains(
+        $this->assertStringContainsString(
             'tests/php/Controllers/LeftAndMainPageIconsExtensionTest/icon_c.jpg?m=',
             $css
         );

tests/php/Controllers/ModelAsControllerTest.php

@@ -25,7 +25,7 @@ class ModelAsControllerTest extends FunctionalTest
      * This setup will enable nested-urls for this test and resets the state
      * after the tests have been performed.
      */
-    public function setUp()
+    protected function setUp(): void
     {
         parent::setUp();
         Config::modify()->set(SiteTree::class, 'nested_urls', true);

tests/php/GraphQL/LinkablePluginTest.php

@@ -13,7 +13,7 @@ use SilverStripe\GraphQL\Schema\SchemaConfig;
 
 class LinkablePluginTest extends SapphireTest
 {
-    protected function setUp()
+    protected function setUp(): void
     {
         parent::setUp();
 

tests/php/Model/RedirectorPageTest.php

@@ -14,7 +14,7 @@ class RedirectorPageTest extends FunctionalTest
 
     protected $autoFollowRedirection = false;
 
-    public function setUp()
+    protected function setUp(): void
     {
         parent::setUp();
         Director::config()->update('alternate_base_url', 'http://www.mysite.com/');
@@ -42,13 +42,13 @@ class RedirectorPageTest extends FunctionalTest
 
         /* An error message will be shown if you visit it */
         $content = $this->get(Director::makeRelative($page1->Link()))->getBody();
-        $this->assertContains('message-setupWithoutRedirect', $content);
+        $this->assertStringContainsString('message-setupWithoutRedirect', $content);
 
         /* This also applies for internal links */
         $page2 = $this->objFromFixture(RedirectorPage::class, 'badinternal');
         $this->assertEquals('/bad-internal/', $page2->Link());
         $content = $this->get(Director::makeRelative($page2->Link()))->getBody();
-        $this->assertContains('message-setupWithoutRedirect', $content);
+        $this->assertStringContainsString('message-setupWithoutRedirect', $content);
     }
 
     public function testReflexiveAndTransitiveInternalRedirectors()
@@ -57,7 +57,7 @@ class RedirectorPageTest extends FunctionalTest
         $page = $this->objFromFixture(RedirectorPage::class, 'reflexive');
         $this->assertEquals('/reflexive/', $page->Link());
         $content = $this->get(Director::makeRelative($page->Link()))->getBody();
-        $this->assertContains('message-setupWithoutRedirect', $content);
+        $this->assertStringContainsString('message-setupWithoutRedirect', $content);
 
         /* Transitive redirectors are those that point to another redirector page.  They should send people to the URLSegment
          * of the destination page - the middle-stop, so to speak.  That should redirect to the final destination */

tests/php/Model/SiteTreeBacklinksTest.php

@@ -26,7 +26,7 @@ class SiteTreeBacklinksTest extends SapphireTest
         SiteTreeBacklinksTestContentObject::class,
     ];
 
-    public function setUp()
+    protected function setUp(): void
     {
         parent::setUp();
 
@@ -286,6 +286,6 @@ class SiteTreeBacklinksTest extends SapphireTest
 
         $content = $gridField->getColumnContent($list->first(), 'Title');
 
-        $this->assertContains('Untitled Backlink test content object', $content);
+        $this->assertStringContainsString('Untitled Backlink test content object', $content);
     }
 }

tests/php/Model/SiteTreeBrokenLinksTest.php

@@ -25,7 +25,7 @@ class SiteTreeBrokenLinksTest extends SapphireTest
         NotPageObject::class,
     ];
 
-    public function setUp()
+    protected function setUp(): void
     {
         parent::setUp();
 
@@ -34,7 +34,7 @@ class SiteTreeBrokenLinksTest extends SapphireTest
         $this->logInWithPermission('ADMIN');
     }
 
-    public function tearDown()
+    protected function tearDown(): void
     {
         TestAssetStore::reset();
         parent::tearDown();

tests/php/Model/SiteTreeHTMLEditorFieldTest.php

@@ -16,7 +16,7 @@ class SiteTreeHTMLEditorFieldTest extends FunctionalTest
 {
     protected static $fixture_file = 'SiteTreeHTMLEditorFieldTest.yml';
 
-    public function setUp()
+    protected function setUp(): void
     {
         parent::setUp();
         TestAssetStore::activate('SiteTreeHTMLEditorFieldTest');
@@ -37,7 +37,7 @@ class SiteTreeHTMLEditorFieldTest extends FunctionalTest
         }
     }
 
-    public function tearDown()
+    protected function tearDown(): void
     {
         TestAssetStore::reset();
         parent::tearDown();

tests/php/Model/SiteTreeLinkTrackingTest.php

@@ -11,7 +11,7 @@ use SilverStripe\View\Parsers\HTMLValue;
 class SiteTreeLinkTrackingTest extends SapphireTest
 {
 
-    protected function setUp()
+    protected function setUp(): void
     {
         parent::setUp();
         Director::config()->set('alternate_base_url', 'http://www.mysite.com/');

tests/php/Model/SiteTreePermissionsTest.php

@@ -25,7 +25,7 @@ class SiteTreePermissionsTest extends FunctionalTest
         SiteTree::class => [SiteTreeSubsites::class],
     ];
 
-    protected function setUp()
+    protected function setUp(): void
     {
         parent::setUp();
 
@@ -63,7 +63,7 @@ class SiteTreePermissionsTest extends FunctionalTest
             $response = $responseException->getResponse();
         }
         $this->assertEquals($response->getStatusCode(), '302');
-        $this->assertContains(
+        $this->assertStringContainsString(
             Security::config()->get('login_url'),
             $response->getHeader('Location')
         );

tests/php/Model/SiteTreeTest.php

@@ -1289,7 +1289,7 @@ class SiteTreeTest extends SapphireTest
         try {
             $notRootPage->write();
         } catch (ValidationException $e) {
-            $this->assertContains('is not allowed on the root level', $e->getMessage());
+            $this->assertStringContainsString('is not allowed on the root level', $e->getMessage());
             $isDetected = true;
         }
 
@@ -1302,8 +1302,8 @@ class SiteTreeTest extends SapphireTest
     {
         $node = new SiteTreeTest_StageStatusInherit();
         $treeTitle = $node->getTreeTitle();
-        $this->assertContains('InheritedTitle', $treeTitle);
+        $this->assertStringContainsString('InheritedTitle', $treeTitle);
-        $this->assertContains('inherited-class', $treeTitle);
+        $this->assertStringContainsString('inherited-class', $treeTitle);
     }
 
     public function testMenuTitleIsUnsetWhenEqualsTitle()
@@ -1336,8 +1336,8 @@ class SiteTreeTest extends SapphireTest
         $page = new SiteTreeTest_PageNode();
 
         $meta = $page->MetaTags();
-        $this->assertContains('meta name="generator"', $meta, 'Should include generator tag');
+        $this->assertStringContainsString('meta name="generator"', $meta, 'Should include generator tag');
-        $this->assertContains(
+        $this->assertStringContainsString(
             'content="SilverStripe - https://www.silverstripe.org',
             $meta,
             'Should contain default meta generator info'
@@ -1346,7 +1346,7 @@ class SiteTreeTest extends SapphireTest
         // test proper escaping of quotes in attribute value
         Config::modify()->set(SiteTree::class, 'meta_generator', 'Generator with "quotes" in it');
         $meta = $page->MetaTags();
-        $this->assertContains(
+        $this->assertStringContainsString(
             'content="Generator with "quotes" in it',
             $meta,
             'test proper escaping of values from Config'
@@ -1355,7 +1355,7 @@ class SiteTreeTest extends SapphireTest
         // test empty generator - no tag should appear at all
         Config::modify()->set(SiteTree::class, 'meta_generator', '');
         $meta = $page->MetaTags();
-        $this->assertNotContains(
+        $this->assertStringNotContainsString(
             'meta name="generator"',
             $meta,
             'test blank value means no tag generated'
@@ -1394,19 +1394,19 @@ class SiteTreeTest extends SapphireTest
         // Test with title
         $meta = $page->MetaTags();
         $charset = Config::inst()->get(ContentNegotiator::class, 'encoding');
-        $this->assertContains('<meta http-equiv="Content-Type" content="text/html; charset='.$charset.'"', $meta);
+        $this->assertStringContainsString('<meta http-equiv="Content-Type" content="text/html; charset='.$charset.'"', $meta);
-        $this->assertContains('<meta name="description" content="The &lt;br /&gt; and &lt;br&gt; tags"', $meta);
+        $this->assertStringContainsString('<meta name="description" content="The &lt;br /&gt; and &lt;br&gt; tags"', $meta);
-        $this->assertContains('<link rel="canonical" href="http://www.mysite.com/html-and-xml"', $meta);
+        $this->assertStringContainsString('<link rel="canonical" href="http://www.mysite.com/html-and-xml"', $meta);
-        $this->assertContains('<meta name="x-page-id" content="'.$page->ID.'"', $meta);
+        $this->assertStringContainsString('<meta name="x-page-id" content="'.$page->ID.'"', $meta);
-        $this->assertContains('<meta name="x-cms-edit-link" content="'.$page->CMSEditLink().'"', $meta);
+        $this->assertStringContainsString('<meta name="x-cms-edit-link" content="'.$page->CMSEditLink().'"', $meta);
-        $this->assertContains('<title>HTML &amp; XML</title>', $meta);
+        $this->assertStringContainsString('<title>HTML &amp; XML</title>', $meta);
 
         // Test without title
         $meta = $page->MetaTags(false);
-        $this->assertNotContains('<title>', $meta);
+        $this->assertStringNotContainsString('<title>', $meta);
 
         $meta = $page->MetaTags('false');
-        $this->assertNotContains('<title>', $meta);
+        $this->assertStringNotContainsString('<title>', $meta);
     }
 
     public function testMetaComponents()

tests/php/Model/VirtualPageTest.php

@@ -46,7 +46,7 @@ class VirtualPageTest extends FunctionalTest
         ]
     ];
 
-    public function setUp()
+    protected function setUp(): void
     {
         parent::setUp();
 
@@ -477,7 +477,7 @@ class VirtualPageTest extends FunctionalTest
         try {
             $virtual->write();
         } catch (ValidationException $e) {
-            $this->assertContains('is not allowed on the root level', $e->getMessage());
+            $this->assertStringContainsString('is not allowed on the root level', $e->getMessage());
             $isDetected = true;
         }
 
@@ -603,7 +603,7 @@ class VirtualPageTest extends FunctionalTest
         try {
             $childVirtualPage->write();
         } catch (ValidationException $e) {
-            $this->assertContains('not allowed as child of this parent page', $e->getMessage());
+            $this->assertStringContainsString('not allowed as child of this parent page', $e->getMessage());
             $isDetected = true;
         }
 
@@ -644,8 +644,8 @@ class VirtualPageTest extends FunctionalTest
 
             $response = $this->get($vp->Link());
             $this->assertEquals(200, $response->getStatusCode());
-            $this->assertContains('TestContent', $response->getBody());
+            $this->assertStringContainsString('TestContent', $response->getBody());
-            $this->assertNotContains('NotThisContent', $response->getBody());
+            $this->assertStringNotContainsString('NotThisContent', $response->getBody());
 
             // VirtualPageTest_ClassB doesn't have an associated controller for
             // ModelAsController::controller_for() to find
@@ -661,7 +661,7 @@ class VirtualPageTest extends FunctionalTest
 
             $response = $this->get($vp->Link());
             $this->assertEquals(200, $response->getStatusCode());
-            $this->assertContains('Test Page B', $response->getBody());
+            $this->assertStringContainsString('Test Page B', $response->getBody());
         });
     }
 

tests/php/Reports/CmsReportsTest.php

@@ -24,7 +24,7 @@ class CmsReportsTest extends SapphireTest
 
     private static $daysAgo = 14;
 
-    public function setUp()
+    protected function setUp(): void
     {
         parent::setUp();
 

tests/php/Search/CMSMainSearchFormTest.php

@@ -28,7 +28,7 @@ class CMSMainSearchFormTest extends FunctionalTest
         $this->assertEquals(count($titles), 1);
         // For some reason the title gets split into two lines
 
-        $this->assertContains('Page 1', $titles[0]);
+        $this->assertStringContainsString('Page 1', $titles[0]);
     }
 
     protected function getPageTitles()

tests/php/Search/DatabaseSearchEngineTest.php

@@ -18,7 +18,7 @@ class DatabaseSearchEngineTest extends SapphireTest
      */
     protected $usesTransactions = false;
 
-    public static function setUpBeforeClass()
+    public static function setUpBeforeClass(): void
     {
         parent::setUpBeforeClass();
 

tests/php/Search/SearchFormTest.php

@@ -57,7 +57,7 @@ class ZZZSearchFormTest extends FunctionalTest
         }
     }
 
-    public static function setUpBeforeClass()
+    public static function setUpBeforeClass(): void
     {
         // HACK Postgres doesn't refresh TSearch indexes when the schema changes after CREATE TABLE
         // MySQL will need a different table type
@@ -69,7 +69,7 @@ class ZZZSearchFormTest extends FunctionalTest
         parent::setUpBeforeClass();
     }
 
-    public function setUp()
+    protected function setUp(): void
     {
         parent::setUp();
 
@@ -110,7 +110,7 @@ class ZZZSearchFormTest extends FunctionalTest
 
         $sf->setTemplate('BlankPage');
 
-        $this->assertContains(
+        $this->assertStringContainsString(
             '<body class="SearchForm Form BlankPage">',
             $sf->forTemplate()
         );

tests/php/Tasks/MigrateSiteTreeLinkingTaskTest.php

@@ -14,7 +14,7 @@ class MigrateSiteTreeLinkingTaskTest extends SapphireTest
 
     protected static $use_draft_site = true;
 
-    public static function setUpBeforeClass()
+    public static function setUpBeforeClass(): void
     {
         parent::setUpBeforeClass();
 
@@ -34,7 +34,7 @@ class MigrateSiteTreeLinkingTaskTest extends SapphireTest
         });
     }
 
-    protected function setUp()
+    protected function setUp(): void
     {
         parent::setUp();
 
@@ -59,7 +59,7 @@ class MigrateSiteTreeLinkingTaskTest extends SapphireTest
         DB::quiet(false);
         $task = new MigrateSiteTreeLinkingTask();
         $task->run(null);
-        $this->assertContains(
+        $this->assertStringContainsString(
             "Migrated page links on 5 Pages",
             ob_get_contents(),
             'Rewritten links are correctly reported'

tests/php/Tasks/RemoveOrphanedPagesTaskTest.php

@@ -38,7 +38,7 @@ class RemoveOrphanedPagesTaskTest extends FunctionalTest
 {
     protected static $fixture_file = 'RemoveOrphanedPagesTaskTest.yml';
 
-    public function setUp()
+    protected function setUp(): void
     {
         parent::setUp();