Add full support for PHP 8.0

Unfortunately due to PHPUnit 8.5 dependency
this also drops support for PHP 7.1

tests/Spout/Common/Entity/RowTest.php

@@ -122,6 +122,6 @@ class RowTest extends \PHPUnit\Framework\TestCase
             ->setStyle($this->getStyleMock())
             ->setCells([]);
 
-        $this->assertInternalType('object', $row);
+        $this->assertInstanceOf(Row::class, $row);
     }
 }

tests/Spout/Common/Helper/FileSystemHelperTest.php

@@ -16,7 +16,7 @@ class FileSystemHelperTest extends TestCase
     /**
      * @return void
      */
-    public function setUp()
+    public function setUp() : void
     {
         $baseFolder = \sys_get_temp_dir();
         $this->fileSystemHelper = new FileSystemHelper($baseFolder);

tests/Spout/Common/Manager/OptionsManagerTest.php

@@ -14,7 +14,7 @@ class OptionsManagerTest extends TestCase
      */
     protected $optionsManager;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->optionsManager = new class() extends OptionsManagerAbstract {
             protected function getSupportedOptions()

tests/Spout/Reader/ODS/ReaderTest.php

@@ -295,6 +295,10 @@ class ReaderTest extends TestCase
      */
     public function testReadShouldBeProtectedAgainstBillionLaughsAttack()
     {
+        if (function_exists('xdebug_code_coverage_started') && xdebug_code_coverage_started()) {
+            $this->markTestSkipped('test not compatible with code coverage');
+        }
+
         $startTime = microtime(true);
         $fileName = 'attack_billion_laughs.ods';
 
@@ -318,6 +322,10 @@ class ReaderTest extends TestCase
      */
     public function testReadShouldBeProtectedAgainstQuadraticBlowupAttack()
     {
+        if (function_exists('xdebug_code_coverage_started') && xdebug_code_coverage_started()) {
+            $this->markTestSkipped('test not compatible with code coverage');
+        }
+
         $startTime = microtime(true);
 
         $fileName = 'attack_quadratic_blowup.ods';

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

@@ -25,7 +25,7 @@ class SharedStringsManagerTest extends TestCase
     /**
      * @return void
      */
-    public function setUp()
+    public function setUp(): void
     {
         $this->sharedStringsManager = null;
     }
@@ -33,7 +33,7 @@ class SharedStringsManagerTest extends TestCase
     /**
      * @return void
      */
-    public function tearDown()
+    public function tearDown(): void
     {
         if ($this->sharedStringsManager !== null) {
             $this->sharedStringsManager->cleanup();

tests/Spout/Reader/XLSX/ReaderTest.php

@@ -539,6 +539,10 @@ class ReaderTest extends TestCase
      */
     public function testReadShouldBeProtectedAgainstQuadraticBlowupAttack()
     {
+        if (function_exists('xdebug_code_coverage_started') && xdebug_code_coverage_started()) {
+            $this->markTestSkipped('test not compatible with code coverage');
+        }
+
         $startTime = microtime(true);
 
         $this->getAllRowsForFile('attack_quadratic_blowup.xlsx');

tests/Spout/Writer/CSV/WriterTest.php

@@ -101,7 +101,7 @@ class WriterTest extends TestCase
         ]);
         $writtenContent = $this->writeToCsvFileAndReturnWrittenContent($allRows, 'csv_with_utf8_bom.csv');
 
-        $this->assertContains(EncodingHelper::BOM_UTF8, $writtenContent, 'The CSV file should contain a UTF-8 BOM');
+        $this->assertStringStartsWith(EncodingHelper::BOM_UTF8, $writtenContent, 'The CSV file should contain a UTF-8 BOM');
     }
 
     /**
@@ -114,7 +114,7 @@ class WriterTest extends TestCase
         ]);
         $writtenContent = $this->writeToCsvFileAndReturnWrittenContent($allRows, 'csv_no_bom.csv', ',', '"', false);
 
-        $this->assertNotContains(EncodingHelper::BOM_UTF8, $writtenContent, 'The CSV file should not contain a UTF-8 BOM');
+        $this->assertStringNotContainsString(EncodingHelper::BOM_UTF8, $writtenContent, 'The CSV file should not contain a UTF-8 BOM');
     }
 
     /**

tests/Spout/Writer/Common/Entity/SheetTest.php

@@ -18,7 +18,7 @@ class SheetTest extends TestCase
     /**
      * @return void
      */
-    public function setUp()
+    public function setUp(): void
     {
         $this->sheetManager = new SheetManager(new StringHelper());
     }

tests/Spout/Writer/Common/Manager/Style/StyleMergerTest.php

@@ -18,7 +18,7 @@ class StyleMergerTest extends TestCase
     /**
      * @return void
      */
-    public function setUp()
+    public function setUp(): void
     {
         $this->styleMerger = new StyleMerger();
     }

tests/Spout/Writer/Common/Manager/Style/StyleRegistryTest.php

@@ -20,7 +20,7 @@ class StyleRegistryTest extends TestCase
     /**
      * @return void
      */
-    public function setUp()
+    public function setUp(): void
     {
         $this->defaultStyle = (new StyleBuilder())->build();
         $this->styleRegistry = new StyleRegistry($this->defaultStyle);

tests/Spout/Writer/ODS/SheetTest.php

@@ -89,7 +89,7 @@ class SheetTest extends TestCase
         $pathToContentFile = $resourcePath . '#content.xml';
         $xmlContents = file_get_contents('zip://' . $pathToContentFile);
 
-        $this->assertContains(' table:display="false"', $xmlContents, 'The sheet visibility should have been changed to "hidden"');
+        $this->assertStringContainsString(' table:display="false"', $xmlContents, 'The sheet visibility should have been changed to "hidden"');
     }
 
     /**
@@ -164,6 +164,6 @@ class SheetTest extends TestCase
         $pathToWorkbookFile = $resourcePath . '#content.xml';
         $xmlContents = file_get_contents('zip://' . $pathToWorkbookFile);
 
-        $this->assertContains("table:name=\"$expectedName\"", $xmlContents, $message);
+        $this->assertStringContainsString("table:name=\"$expectedName\"", $xmlContents, $message);
     }
 }

tests/Spout/Writer/ODS/WriterTest.php

@@ -547,7 +547,7 @@ class WriterTest extends TestCase
         $pathToContentFile = $resourcePath . '#content.xml';
         $xmlContents = file_get_contents('zip://' . $pathToContentFile);
 
-        $this->assertContains($value, $xmlContents, $message);
+        $this->assertStringContainsString($value, $xmlContents, $message);
     }
 
     /**
@@ -562,7 +562,7 @@ class WriterTest extends TestCase
         $sheetXmlAsString = $this->getSheetXmlNodeAsString($fileName, $sheetIndex);
         $valueAsXmlString = "<text:p>$value</text:p>";
 
-        $this->assertContains($valueAsXmlString, $sheetXmlAsString, $message);
+        $this->assertStringContainsString($valueAsXmlString, $sheetXmlAsString, $message);
     }
 
     /**
@@ -577,7 +577,7 @@ class WriterTest extends TestCase
         $sheetXmlAsString = $this->getSheetXmlNodeAsString($fileName, $sheetIndex);
         $valueAsXmlString = "<text:p>$value</text:p>";
 
-        $this->assertNotContains($valueAsXmlString, $sheetXmlAsString, $message);
+        $this->assertStringNotContainsString($valueAsXmlString, $sheetXmlAsString, $message);
     }
 
     /**

tests/Spout/Writer/ODS/WriterWithStyleTest.php

@@ -30,7 +30,7 @@ class WriterWithStyleTest extends TestCase
     /**
      * @return void
      */
-    public function setUp()
+    public function setUp(): void
     {
         $this->defaultStyle = (new StyleBuilder())->build();
     }

tests/Spout/Writer/XLSX/SheetTest.php

@@ -89,7 +89,7 @@ class SheetTest extends TestCase
         $pathToWorkbookFile = $resourcePath . '#xl/workbook.xml';
         $xmlContents = file_get_contents('zip://' . $pathToWorkbookFile);
 
-        $this->assertContains(' state="hidden"', $xmlContents, 'The sheet visibility should have been changed to "hidden"');
+        $this->assertStringContainsString(' state="hidden"', $xmlContents, 'The sheet visibility should have been changed to "hidden"');
     }
 
     /**
@@ -166,6 +166,6 @@ class SheetTest extends TestCase
         $pathToWorkbookFile = $resourcePath . '#xl/workbook.xml';
         $xmlContents = file_get_contents('zip://' . $pathToWorkbookFile);
 
-        $this->assertContains("<sheet name=\"$expectedName\"", $xmlContents, $message);
+        $this->assertStringContainsString("<sheet name=\"$expectedName\"", $xmlContents, $message);
     }
 }

tests/Spout/Writer/XLSX/WriterTest.php

@@ -608,7 +608,7 @@ class WriterTest extends TestCase
         $pathToSheetFile = $resourcePath . '#xl/worksheets/sheet' . $sheetIndex . '.xml';
         $xmlContents = file_get_contents('zip://' . $pathToSheetFile);
 
-        $this->assertContains((string) $inlineData, $xmlContents, $message);
+        $this->assertStringContainsString((string) $inlineData, $xmlContents, $message);
     }
 
     /**
@@ -624,7 +624,7 @@ class WriterTest extends TestCase
         $pathToSheetFile = $resourcePath . '#xl/worksheets/sheet' . $sheetIndex . '.xml';
         $xmlContents = file_get_contents('zip://' . $pathToSheetFile);
 
-        $this->assertNotContains((string) $inlineData, $xmlContents, $message);
+        $this->assertStringNotContainsString((string) $inlineData, $xmlContents, $message);
     }
 
     /**
@@ -639,6 +639,6 @@ class WriterTest extends TestCase
         $pathToSharedStringsFile = $resourcePath . '#xl/sharedStrings.xml';
         $xmlContents = file_get_contents('zip://' . $pathToSharedStringsFile);
 
-        $this->assertContains($sharedString, $xmlContents, $message);
+        $this->assertStringContainsString($sharedString, $xmlContents, $message);
     }
 }

tests/Spout/Writer/XLSX/WriterWithStyleTest.php

@@ -32,7 +32,7 @@ class WriterWithStyleTest extends TestCase
     /**
      * @return void
      */
-    public function setUp()
+    public function setUp(): void
     {
         $this->defaultStyle = (new StyleBuilder())->build();
     }