Add phpstan until level 7

tests/Spout/Reader/XLSX/Manager/SharedStringsCaching/CachingStrategyFactoryTest.php

@@ -3,6 +3,7 @@
 namespace Box\Spout\Reader\XLSX\Manager\SharedStringsCaching;
 
 use Box\Spout\Reader\XLSX\Creator\HelperFactory;
+use PHPUnit\Framework\MockObject\MockObject;
 use PHPUnit\Framework\TestCase;
 
 /**
@@ -11,7 +12,7 @@ use PHPUnit\Framework\TestCase;
 class CachingStrategyFactoryTest extends TestCase
 {
     /**
-     * @return array
+     * @return array<array>
      */
     public function dataProviderForTestCreateBestCachingStrategy()
     {
@@ -36,7 +37,7 @@ class CachingStrategyFactoryTest extends TestCase
      */
     public function testCreateBestCachingStrategy($sharedStringsUniqueCount, $memoryLimitInKB, $expectedStrategyClassName)
     {
-        /** @var CachingStrategyFactory|\PHPUnit_Framework_MockObject_MockObject $factoryStub */
+        /** @var CachingStrategyFactory&MockObject $factoryStub */
         $factoryStub = $this
             ->getMockBuilder('\Box\Spout\Reader\XLSX\Manager\SharedStringsCaching\CachingStrategyFactory')
             ->disableOriginalConstructor()
@@ -46,7 +47,7 @@ class CachingStrategyFactoryTest extends TestCase
         $factoryStub->method('getMemoryLimitInKB')->willReturn($memoryLimitInKB);
 
         $tempFolder = sys_get_temp_dir();
-        $helperFactory = new HelperFactory($factoryStub);
+        $helperFactory = new HelperFactory();
         $strategy = $factoryStub->createBestCachingStrategy($sharedStringsUniqueCount, $tempFolder, $helperFactory);
 
         $fullExpectedStrategyClassName = 'Box\Spout\Reader\XLSX\Manager\SharedStringsCaching\\' . $expectedStrategyClassName;
@@ -56,7 +57,7 @@ class CachingStrategyFactoryTest extends TestCase
     }
 
     /**
-     * @return array
+     * @return array<array>
      */
     public function dataProviderForTestGetMemoryLimitInKB()
     {
@@ -84,7 +85,7 @@ class CachingStrategyFactoryTest extends TestCase
      */
     public function testGetMemoryLimitInKB($memoryLimitFormatted, $expectedMemoryLimitInKB)
     {
-        /** @var CachingStrategyFactory|\PHPUnit_Framework_MockObject_MockObject $factoryStub */
+        /** @var CachingStrategyFactory&MockObject $factoryStub */
         $factoryStub = $this
             ->getMockBuilder('\Box\Spout\Reader\XLSX\Manager\SharedStringsCaching\CachingStrategyFactory')
             ->disableOriginalConstructor()

tests/Spout/Reader/XLSX/Manager/SharedStringsManagerTest.php

@@ -19,7 +19,7 @@ class SharedStringsManagerTest extends TestCase
 {
     use TestUsingResource;
 
-    /** @var SharedStringsManager */
+    /** @var SharedStringsManager|null */
     private $sharedStringsManager;
 
     /**
@@ -144,6 +144,7 @@ class SharedStringsManagerTest extends TestCase
     public function testGetStringAtIndexWithFileBasedStrategy()
     {
         // force the file-based strategy by setting no memory limit
+        /** @var string $originalMemoryLimit */
         $originalMemoryLimit = ini_get('memory_limit');
         ini_set('memory_limit', '-1');
 

tests/Spout/Reader/XLSX/Manager/StyleManagerTest.php

@@ -3,6 +3,7 @@
 namespace Box\Spout\Reader\XLSX\Manager;
 
 use Box\Spout\Reader\XLSX\Creator\InternalEntityFactory;
+use PHPUnit\Framework\MockObject\MockObject;
 use PHPUnit\Framework\TestCase;
 
 /**
@@ -11,8 +12,8 @@ use PHPUnit\Framework\TestCase;
 class StyleManagerTest extends TestCase
 {
     /**
-     * @param array $styleAttributes
-     * @param array $customNumberFormats
+     * @param array<mixed> $styleAttributes
+     * @param array<mixed> $customNumberFormats
      * @return StyleManager
      */
     private function getStyleManagerMock($styleAttributes = [], $customNumberFormats = [])
@@ -21,7 +22,7 @@ class StyleManagerTest extends TestCase
         $workbookRelationshipsManager = $this->createMock(WorkbookRelationshipsManager::class);
         $workbookRelationshipsManager->method('hasStylesXMLFile')->willReturn(true);
 
-        /** @var StyleManager $styleManager */
+        /** @var StyleManager&MockObject $styleManager */
         $styleManager = $this->getMockBuilder('\Box\Spout\Reader\XLSX\Manager\StyleManager')
                              ->setConstructorArgs(['/path/to/file.xlsx', $workbookRelationshipsManager, $entityFactory])
                              ->setMethods(['getCustomNumberFormats', 'getStylesAttributes'])
@@ -132,7 +133,7 @@ class StyleManagerTest extends TestCase
     }
 
     /**
-     * @return array
+     * @return array<array>
      */
     public function dataProviderForCustomDateFormats()
     {