fix: Create correct snapshot file names in repetitions

Author: pl-github

phpstan.neon.dist

@@ -16,7 +16,8 @@ parameters:
         #- '#Method .* has a nullable return type declaration#'
         #- '#Method .* has parameter .* with a nullable type declaration#'
         - '#Method .* has parameter .* with null as default value#'
-        - '#Method Brainbits\\FunctionalTestHelpers\\Tests\\Snapshot\\.*SnapshotTest::assertMatches.*Snapshot\(\) is protected, but since the containing class is final, it can be private.#'
+        - '#Method Brainbits\\FunctionalTestHelpers\\Tests\\.*Test::assertMatches.*Snapshot\(\) is protected, but since the containing class is final, it can be private.#'
+        - '#Method Brainbits\\FunctionalTestHelpers\\Tests\\.*Test::setUpSnapshot\(\) is protected, but since the containing class is final, it can be private.#'
         - '#Method Brainbits\\FunctionalTestHelpers\\Tests\\ZipContents\\ZipContentsTraitTest::.* is protected, but since the containing class is final, it can be private#'
     ergebnis:
         classesAllowedToBeExtended:

src/Snapshot/SnapshotTrait.php

@@ -37,7 +37,13 @@
 trait SnapshotTrait
 {
     /** @var array<string,int> */
-    private array $filenames = [];
+    private array $filenames;
+
+    /** @before */
+    final protected function setUpSnapshot(): void
+    {
+        $this->filenames = [];
+    }
 
     /** @param mixed[] $actual */
     final protected function assertMatchesArraySnapshot(array $actual, string $message = ''): void