Closes #1064

Author: sebastianbergmann

ChangeLog-12.0.md

@@ -2,6 +2,12 @@
 
 All notable changes are documented in this file using the [Keep a CHANGELOG](http://keepachangelog.com/) principles.
 
+## [12.0.5] - 2025-MM-DD
+
+### Fixed
+
+* [#1064](https://github.com/sebastianbergmann/php-code-coverage/issues/1064): Code Coverage targets are handled in case-sensitive manner
+
 ## [12.0.4] - 2025-02-25
 
 ### Fixed
@@ -39,6 +45,7 @@ All notable changes are documented in this file using the [Keep a CHANGELOG](htt
 * This component is no longer supported on PHP 8.2
 * This component no longer supports Xdebug versions before Xdebug 3.1
 
+[12.0.5]: https://github.com/sebastianbergmann/php-code-coverage/compare/12.0.4...main
 [12.0.4]: https://github.com/sebastianbergmann/php-code-coverage/compare/12.0.3...12.0.4
 [12.0.3]: https://github.com/sebastianbergmann/php-code-coverage/compare/12.0.2...12.0.3
 [12.0.2]: https://github.com/sebastianbergmann/php-code-coverage/compare/12.0.1...12.0.2

src/Target/Mapper.php

@@ -9,8 +9,10 @@
  */
 namespace SebastianBergmann\CodeCoverage\Test\Target;
 
+use function array_keys;
 use function array_merge;
 use function array_unique;
+use function strcasecmp;
 
 /**
  * @phpstan-type TargetMap array{namespaces: TargetMapPart, traits: TargetMapPart, classes: TargetMapPart, classesThatExtendClass: TargetMapPart, classesThatImplementInterface: TargetMapPart, methods: TargetMapPart, functions: TargetMapPart, reverseLookup: ReverseLookup}
@@ -71,6 +73,12 @@ public function mapTarget(Target $target): array
             return $this->map[$target->key()][$target->target()];
         }
 
+        foreach (array_keys($this->map[$target->key()]) as $key) {
+            if (strcasecmp($key, $target->target()) === 0) {
+                return $this->map[$target->key()][$key];
+            }
+        }
+
         throw new InvalidCodeCoverageTargetException($target);
     }
 

tests/tests/Target/MapperTest.php

@@ -13,13 +13,16 @@
 use function array_merge;
 use function range;
 use function realpath;
+use function strtolower;
 use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\Attributes\Small;
 use PHPUnit\Framework\Attributes\TestDox;
+use PHPUnit\Framework\Attributes\Ticket;
 use PHPUnit\Framework\TestCase;
 use SebastianBergmann\CodeCoverage\Filter;
 use SebastianBergmann\CodeCoverage\StaticAnalysis\ParsingFileAnalyser;
+use SebastianBergmann\CodeCoverage\TestFixture\Target\TargetClass;
 use SebastianBergmann\CodeCoverage\TestFixture\Target\TargetEnumeration;
 use SebastianBergmann\CodeCoverage\TestFixture\Target\TraitOne;
 
@@ -257,6 +260,22 @@ public function testCannotMapInvalidTargets(string $exceptionMessage, TargetColl
         $this->mapper([])->mapTargets($targets);
     }
 
+    #[Ticket('https://github.com/sebastianbergmann/php-code-coverage/issues/1064')]
+    public function testCodeUnitTargetingIsCaseInsensitive(): void
+    {
+        $path   = realpath(__DIR__ . '/../../_files/Target/TargetClass.php');
+        $mapper = $this->mapper([$path]);
+
+        $this->assertSame(
+            [
+                $path => range(4, 9),
+            ],
+            $mapper->mapTarget(
+                Target::forClass(strtolower(TargetClass::class)),
+            ),
+        );
+    }
+
     /**
      * @param list<non-empty-string> $files
      */