Be explicit with covers messaging when using @coversDefaultClass and @Covers.

Author: mad-briller

src/Rules/PHPUnit/CoversHelper.php

@@ -72,6 +72,7 @@ public function processCovers(
 		$errors = [];
 		$covers = (string) $phpDocTag->value;
 		$isMethod = strpos($covers, '::') !== false;
+		$fullName = $covers;
 
 		if ($isMethod) {
 			[$className, $method] = explode('::', $covers);
@@ -81,6 +82,7 @@ public function processCovers(
 
 		if ($className === '' && $node instanceof Node\Stmt\ClassMethod && $coversDefaultClass !== null) {
 			$className = (string) $coversDefaultClass->value;
+			$fullName = $className . $covers;
 		}
 
 		if ($this->reflectionProvider->hasClass($className)) {
@@ -89,7 +91,7 @@ public function processCovers(
 			if (isset($method) && $method !== '' && !$class->hasMethod($method)) {
 				$errors[] = RuleErrorBuilder::message(sprintf(
 					'@covers value %s references an invalid method.',
-					$covers
+					$fullName
 				))->build();
 			}
 		} else {
@@ -99,7 +101,7 @@ public function processCovers(
 
 			$errors[] = RuleErrorBuilder::message(sprintf(
 				'@covers value %s references an invalid %s.',
-				$covers,
+				$fullName,
 				$isMethod ? 'method' : 'class or function'
 			))->build();
 		}

tests/Rules/PHPUnit/ClassMethodCoversExistsRuleTest.php

@@ -26,7 +26,7 @@ public function testRule(): void
 	{
 		$this->analyse([__DIR__ . '/data/method-coverage.php'], [
 			[
-				'@covers value ::ignoreThis references an invalid method.',
+				'@covers value \Not\A\Class::ignoreThis references an invalid method.',
 				14,
 			],
 			[
@@ -42,7 +42,7 @@ public function testRule(): void
 				50,
 			],
 			[
-				'@covers value ::assertNotReal references an invalid method.',
+				'@covers value \PHPUnit\Framework\TestCase::assertNotReal references an invalid method.',
 				62,
 			],
 			[