Improve Mutation Generator class filtering

WIP.md

@@ -27,7 +27,7 @@
 - [ ] Awesome docs
 
 # Backlog Prio 1
-- [ ] Fix PHPStorm indexing Issues. Maybe do not end cached files with .php?
+- [ ] Fix parallel for Laravel (set proper ENV variables)
 - [ ] Automatically empty cache when package version changes / Maybe there is another approach: Use the same cache key per php file, but store a hash of the file content and the package version in the cache. If the hash changes, the cache is invalid.
 - [ ] What should we do with interfaces? ignore them completely?
 - [ ] Finish: Disable mutations by annotation

src/Support/MutationGenerator.php

@@ -139,19 +139,23 @@ private function doesNotContainClassToMutate(string $contents, array $classesToM
             return false;
         }
 
-        foreach ($classesToMutate as $class) {
-            $parts = explode('\\', $class);
+        foreach ($classesToMutate as $classOrNamespace) {
+            $parts = explode('\\', $classOrNamespace);
             $class = array_pop($parts);
             $namespace = preg_quote(implode('\\', $parts));
+            $classOrNamespace = preg_quote($classOrNamespace);
 
-            if (preg_match("/namespace\\s+$namespace/", $contents) !== 1) {
-                continue;
+            if (preg_match("/namespace\\s+$namespace/", $contents) === 1 && preg_match("/class\\s+$class.*/", $contents) === 1) {
+                return false;
             }
-            if (preg_match("/class\\s+$class/", $contents) !== 1) {
-                continue;
+
+            if (preg_match("/class\\s+$class\[{\\s*\]/", $contents) === 1) {
+                return false;
             }
 
-            return false;
+            if (preg_match("/namespace\\s+$classOrNamespace/", $contents) === 1) {
+                return false;
+            }
         }
 
         return true;

tests/Unit/MutationGeneratorTest.php

@@ -81,7 +81,10 @@ classesToMutate: $classes,
     [[AgeHelper::class, SizeHelper::class], 2],
     [['AgeHelper'], 2],
     [['SizeHelper'], 0],
+    [[AgeHelper::class], 2],
+    [['Tests\\Fixtures\\Classes\\AgeHelp'], 2],
     [['Invalid\\Namespace\\AgeHelper'], 0],
+    [['Invalid\\Namespace\\AgeHelp'], 0],
     [['Invalid\\Namespace\\AgeHelper', AgeHelper::class], 2],
     [[SizeHelper::class, AgeHelper::class], 2],
 ]);