Added make infection command to run it locally

.gitignore

@@ -3,6 +3,9 @@
 /compiler/vendor
 /conf/config.local.yml
 /build-cs
+/infection.json5
+/infection.phar
+/build-infection
 /vendor
 /.idea/*
 !.idea/icon.png

Makefile

@@ -163,3 +163,24 @@ name-collision:
 
 composer-dependency-analyser:
 	php vendor/bin/composer-dependency-analyser --config build/composer-dependency-analyser.php
+
+.PHONY: infection
+infection:
+	git clone https://github.com/phpstan/build-infection.git || true
+	git -C build-infection fetch origin && git -C build-infection reset --hard origin/1.x
+	composer install --working-dir build-infection --no-interaction --no-progress
+	php build-infection/bin/infection-config.php --source-directory='build/PHPStan/Build'> infection.json5
+	version=$(shell jq -r '.packages[] | select(.name == "infection/infection") | .version' build-infection/composer.lock); \
+	wget https://github.com/infection/infection/releases/download/$$version/infection.phar --no-clobber;
+	chmod +x infection.phar
+	XDEBUG_MODE=coverage php tests/vendor/bin/paratest \
+	  --coverage-xml=tmp/coverage/coverage-xml \
+	  --log-junit=tmp/coverage/junit.xml
+	php infection.phar \
+	  --git-diff-base=origin/2.1.x \
+	  --git-diff-lines \
+	  --coverage=tmp/coverage \
+	  --skip-initial-tests \
+	  --ignore-msi-with-no-mutations \
+	  --logger-text=php://stdout
+	rm infection.json5 infection.phar

tests/PHPStan/Analyser/AnalyserIntegrationTest.php

@@ -16,6 +16,7 @@
 use function sprintf;
 use const PHP_VERSION_ID;
 
+#[\PHPUnit\Framework\Attributes\CoversNothing]
 class AnalyserIntegrationTest extends PHPStanTestCase
 {
 

tests/PHPStan/Analyser/AnalyserTest.php

@@ -44,6 +44,7 @@
 use function substr;
 use const PHP_OS;
 
+#[\PHPUnit\Framework\Attributes\CoversNothing]
 class AnalyserTest extends PHPStanTestCase
 {
 

tests/PHPStan/Analyser/AnalyserTraitsIntegrationTest.php

@@ -12,6 +12,7 @@
 use function sprintf;
 use function usort;
 
+#[\PHPUnit\Framework\Attributes\CoversNothing]
 class AnalyserTraitsIntegrationTest extends PHPStanTestCase
 {
 

tests/PHPStan/Analyser/AnalyserWithCheckDynamicPropertiesTest.php

@@ -6,6 +6,7 @@
 use function array_merge;
 use function array_unique;
 
+#[\PHPUnit\Framework\Attributes\CoversNothing]
 class AnalyserWithCheckDynamicPropertiesTest extends PHPStanTestCase
 {
 

tests/PHPStan/Analyser/ArgumentsNormalizerLegacyTest.php

@@ -13,8 +13,10 @@
 use PHPStan\ShouldNotHappenException;
 use PHPStan\Testing\PHPStanTestCase;
 use PHPStan\Type\Constant\ConstantIntegerType;
+use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\Attributes\RequiresPhp;
 
+#[CoversClass(ArgumentsNormalizer::class)]
 final class ArgumentsNormalizerLegacyTest extends PHPStanTestCase
 {
 

tests/PHPStan/Analyser/ArgumentsNormalizerTest.php

@@ -20,6 +20,7 @@
 use PHPUnit\Framework\Attributes\DataProvider;
 use function count;
 
+#[CoversClass(ArgumentsNormalizer::class)]
 class ArgumentsNormalizerTest extends PHPStanTestCase
 {
 

tests/PHPStan/Analyser/ErrorTest.php

@@ -3,8 +3,10 @@
 namespace PHPStan\Analyser;
 
 use PHPStan\Testing\PHPStanTestCase;
+use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\Attributes\DataProvider;
 
+#[CoversClass(Error::class)]
 class ErrorTest extends PHPStanTestCase
 {
 

tests/PHPStan/Analyser/ExpressionResultTest.php

@@ -15,6 +15,7 @@
 use function get_class;
 use function sprintf;
 
+#[\PHPUnit\Framework\Attributes\CoversNothing]
 class ExpressionResultTest extends PHPStanTestCase
 {
 

tests/PHPStan/Analyser/Ignore/IgnoreLexerTest.php

@@ -3,11 +3,13 @@
 namespace PHPStan\Analyser\Ignore;
 
 use PHPStan\Testing\PHPStanTestCase;
+use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\Attributes\DataProvider;
 use function array_pop;
 use function substr_count;
 use const PHP_EOL;
 
+#[CoversClass(IgnoreLexer::class)]
 class IgnoreLexerTest extends PHPStanTestCase
 {
 

tests/PHPStan/Analyser/ScopeTest.php

@@ -18,6 +18,7 @@
 use PHPStan\Type\VerbosityLevel;
 use PHPUnit\Framework\Attributes\DataProvider;
 
+#[\PHPUnit\Framework\Attributes\CoversNothing]
 class ScopeTest extends PHPStanTestCase
 {
 

tests/PHPStan/Analyser/StatementResultTest.php

@@ -13,6 +13,7 @@
 use PHPUnit\Framework\Attributes\DataProvider;
 use function sprintf;
 
+#[\PHPUnit\Framework\Attributes\CoversNothing]
 class StatementResultTest extends PHPStanTestCase
 {
 

tests/PHPStan/Analyser/TypeSpecifierContextTest.php

@@ -4,8 +4,10 @@
 
 use PHPStan\ShouldNotHappenException;
 use PHPStan\Testing\PHPStanTestCase;
+use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\Attributes\DataProvider;
 
+#[CoversClass(TypeSpecifierContext::class)]
 class TypeSpecifierContextTest extends PHPStanTestCase
 {
 

tests/PHPStan/Analyser/TypeSpecifierTest.php

@@ -36,13 +36,15 @@
 use PHPStan\Type\StringType;
 use PHPStan\Type\UnionType;
 use PHPStan\Type\VerbosityLevel;
+use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\Attributes\DataProvider;
 use function implode;
 use function sprintf;
 use const PHP_INT_MAX;
 use const PHP_INT_MIN;
 use const PHP_VERSION_ID;
 
+#[CoversClass(TypeSpecifierTest::class)]
 class TypeSpecifierTest extends PHPStanTestCase
 {
 

tests/PHPStan/Collectors/RegistryTest.php

@@ -6,6 +6,7 @@
 use PHPStan\Analyser\Scope;
 use PHPStan\Testing\PHPStanTestCase;
 
+#[\PHPUnit\Framework\Attributes\CoversNothing]
 class RegistryTest extends PHPStanTestCase
 {
 

tests/PHPStan/Command/AnalyseApplicationIntegrationTest.php

@@ -22,6 +22,7 @@
 use function stream_get_contents;
 use const DIRECTORY_SEPARATOR;
 
+#[\PHPUnit\Framework\Attributes\CoversNothing]
 class AnalyseApplicationIntegrationTest extends PHPStanTestCase
 {
 

tests/PHPStan/Command/AnalyseCommandTest.php

@@ -17,6 +17,7 @@
 use const PHP_EOL;
 
 #[Group('exec')]
+#[\PHPUnit\Framework\Attributes\CoversNothing]
 class AnalyseCommandTest extends PHPStanTestCase
 {
 

tests/PHPStan/Command/AnalysisResultTest.php

@@ -5,6 +5,7 @@
 use PHPStan\Analyser\Error;
 use PHPStan\Testing\PHPStanTestCase;
 
+#[\PHPUnit\Framework\Attributes\CoversNothing]
 final class AnalysisResultTest extends PHPStanTestCase
 {
 

tests/PHPStan/Command/IgnoredRegexValidatorTest.php

@@ -6,8 +6,10 @@
 use Hoa\File\Read;
 use PHPStan\PhpDoc\TypeStringResolver;
 use PHPStan\Testing\PHPStanTestCase;
+use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\Attributes\DataProvider;
 
+#[CoversClass(IgnoredRegexValidator::class)]
 class IgnoredRegexValidatorTest extends PHPStanTestCase
 {
 

tests/PHPStan/DependencyInjection/ConditionalTagsExtensionTest.php

@@ -7,6 +7,7 @@
 use function array_map;
 use function get_class;
 
+#[\PHPUnit\Framework\Attributes\CoversNothing]
 class ConditionalTagsExtensionTest extends PHPStanTestCase
 {
 

tests/PHPStan/DependencyInjection/IgnoreErrorsTest.php

@@ -4,6 +4,7 @@
 
 use PHPStan\Testing\PHPStanTestCase;
 
+#[\PHPUnit\Framework\Attributes\CoversNothing]
 class IgnoreErrorsTest extends PHPStanTestCase
 {
 

tests/PHPStan/DependencyInjection/InvalidIgnoredErrorExceptionTest.php

@@ -5,6 +5,7 @@
 use PHPStan\Testing\PHPStanTestCase;
 use PHPUnit\Framework\Attributes\DataProvider;
 
+#[\PHPUnit\Framework\Attributes\CoversNothing]
 class InvalidIgnoredErrorExceptionTest extends PHPStanTestCase
 {
 

tests/PHPStan/DependencyInjection/Nette/NetteContainerTest.php

@@ -7,6 +7,7 @@
 use PHPStan\TrinaryLogic;
 use PHPStan\Type\Php\ReflectionGetAttributesMethodReturnTypeExtension;
 
+#[\PHPUnit\Framework\Attributes\CoversNothing]
 class NetteContainerTest extends PHPStanTestCase
 {
 

tests/PHPStan/File/FileExcluderTest.php

@@ -3,8 +3,10 @@
 namespace PHPStan\File;
 
 use PHPStan\Testing\PHPStanTestCase;
+use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\Attributes\DataProvider;
 
+#[CoversClass(FileExcluder::class)]
 class FileExcluderTest extends PHPStanTestCase
 {
 

tests/PHPStan/File/FileHelperTest.php

@@ -3,8 +3,10 @@
 namespace PHPStan\File;
 
 use PHPStan\Testing\PHPStanTestCase;
+use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\Attributes\DataProvider;
 
+#[CoversClass(FileHelper::class)]
 class FileHelperTest extends PHPStanTestCase
 {
 

tests/PHPStan/Generics/TemplateTypeFactoryTest.php

@@ -18,6 +18,7 @@
 use PHPUnit\Framework\Attributes\DataProvider;
 use function sprintf;
 
+#[\PHPUnit\Framework\Attributes\CoversNothing]
 class TemplateTypeFactoryTest extends PHPStanTestCase
 {
 

tests/PHPStan/Parser/CachedParserTest.php

@@ -8,9 +8,11 @@
 use PHPStan\File\FileHelper;
 use PHPStan\File\FileReader;
 use PHPStan\Testing\PHPStanTestCase;
+use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\MockObject\MockObject;
 
+#[CoversClass(CachedParser::class)]
 class CachedParserTest extends PHPStanTestCase
 {
 

tests/PHPStan/Parser/CleaningParserTest.php

@@ -9,9 +9,11 @@
 use PHPStan\Node\Printer\Printer;
 use PHPStan\Php\PhpVersion;
 use PHPStan\Testing\PHPStanTestCase;
+use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\Attributes\DataProvider;
 use const PHP_VERSION_ID;
 
+#[CoversClass(CleaningParser::class)]
 class CleaningParserTest extends PHPStanTestCase
 {
 

tests/PHPStan/Parser/ParserTest.php

@@ -6,6 +6,7 @@
 use PHPUnit\Framework\Attributes\DataProvider;
 use function count;
 
+#[\PHPUnit\Framework\Attributes\CoversNothing]
 class ParserTest extends PHPStanTestCase
 {
 

tests/PHPStan/Parser/RichParserTest.php

@@ -6,6 +6,7 @@
 use PHPUnit\Framework\Attributes\DataProvider;
 use const PHP_EOL;
 
+#[\PHPUnit\Framework\Attributes\CoversNothing]
 class RichParserTest extends PHPStanTestCase
 {
 

tests/PHPStan/PhpDoc/DefaultStubFilesProviderTest.php

@@ -9,6 +9,7 @@
 use function sprintf;
 use const DIRECTORY_SEPARATOR;
 
+#[\PHPUnit\Framework\Attributes\CoversNothing]
 class DefaultStubFilesProviderTest extends PHPStanTestCase
 {
 

tests/PHPStan/PhpDoc/PhpDocStringResolverTest.php

@@ -5,6 +5,7 @@
 use PHPStan\PhpDocParser\Parser\ParserException;
 use PHPStan\Testing\PHPStanTestCase;
 
+#[\PHPUnit\Framework\Attributes\CoversNothing]
 class PhpDocStringResolverTest extends PHPStanTestCase
 {
 

tests/PHPStan/PhpDoc/TypeDescriptionTest.php

@@ -22,6 +22,7 @@
 use PHPUnit\Framework\Attributes\DataProvider;
 use function sprintf;
 
+#[\PHPUnit\Framework\Attributes\CoversNothing]
 class TypeDescriptionTest extends PHPStanTestCase
 {
 

tests/PHPStan/PhpDoc/TypeStringResolverTest.php

@@ -5,6 +5,7 @@
 use PHPStan\PhpDocParser\Parser\ParserException;
 use PHPStan\Testing\PHPStanTestCase;
 
+#[\PHPUnit\Framework\Attributes\CoversNothing]
 class TypeStringResolverTest extends PHPStanTestCase
 {
 

tests/PHPStan/Reflection/Annotations/AnnotationsMethodsClassReflectionExtensionTest.php

@@ -17,6 +17,7 @@
 use function count;
 use function sprintf;
 
+#[\PHPUnit\Framework\Attributes\CoversNothing]
 class AnnotationsMethodsClassReflectionExtensionTest extends PHPStanTestCase
 {
 

tests/PHPStan/Reflection/Annotations/AnnotationsPropertiesClassReflectionExtensionTest.php

@@ -14,6 +14,7 @@
 use PHPUnit\Framework\Attributes\DataProvider;
 use function sprintf;
 
+#[\PHPUnit\Framework\Attributes\CoversNothing]
 class AnnotationsPropertiesClassReflectionExtensionTest extends PHPStanTestCase
 {
 

tests/PHPStan/Reflection/Annotations/DeprecatedAnnotationsTest.php

@@ -20,6 +20,7 @@
 use PHPUnit\Framework\Attributes\RequiresPhp;
 use const PHP_VERSION_ID;
 
+#[\PHPUnit\Framework\Attributes\CoversNothing]
 class DeprecatedAnnotationsTest extends PHPStanTestCase
 {
 

tests/PHPStan/Reflection/Annotations/FinalAnnotationsTest.php

@@ -8,6 +8,7 @@
 use PHPStan\Testing\PHPStanTestCase;
 use PHPUnit\Framework\Attributes\DataProvider;
 
+#[\PHPUnit\Framework\Attributes\CoversNothing]
 class FinalAnnotationsTest extends PHPStanTestCase
 {
 

tests/PHPStan/Reflection/Annotations/InternalAnnotationsTest.php

@@ -13,6 +13,7 @@
 use PHPStan\Testing\PHPStanTestCase;
 use PHPUnit\Framework\Attributes\DataProvider;
 
+#[\PHPUnit\Framework\Attributes\CoversNothing]
 class InternalAnnotationsTest extends PHPStanTestCase
 {
 

tests/PHPStan/Reflection/Annotations/ThrowsAnnotationsTest.php

@@ -14,6 +14,7 @@
 use ThrowsAnnotations\FooTrait;
 use ThrowsAnnotations\PhpstanFoo;
 
+#[\PHPUnit\Framework\Attributes\CoversNothing]
 class ThrowsAnnotationsTest extends PHPStanTestCase
 {
 

tests/PHPStan/Reflection/AttributeReflectionTest.php

@@ -12,6 +12,7 @@
 use function count;
 use const PHP_VERSION_ID;
 
+#[\PHPUnit\Framework\Attributes\CoversNothing]
 class AttributeReflectionTest extends PHPStanTestCase
 {