Parallel level tests - make bigger chunks

Author: ondrejmirtes

.github/workflows/tests-levels-matrix.php

@@ -29,4 +29,12 @@
 	throw new RuntimeException('No tests found');
 }
 
-echo json_encode($testFilters);
+$chunkSize = (int) ceil(count($testFilters) / 10);
+$chunks = array_chunk($testFilters, $chunkSize);
+
+$commands = [];
+foreach ($chunks as $chunk) {
+	$commands[] = implode("\n", array_map(fn (string $ch) => sprintf('php vendor/bin/phpunit %s --group levels', $ch), $chunk));
+}
+
+echo json_encode($commands);

.github/workflows/tests.yml

@@ -135,7 +135,7 @@ jobs:
 
     strategy:
       matrix:
-        test-filter: "${{fromJson(needs.tests-levels-matrix.outputs.matrix)}}"
+        script: "${{fromJson(needs.tests-levels-matrix.outputs.matrix)}}"
 
     steps:
       - name: "Checkout"
@@ -155,7 +155,7 @@ jobs:
         run: "composer install --no-interaction --no-progress"
 
       - name: "Tests"
-        run: "php vendor/bin/phpunit ${{ matrix.test-filter }} --group levels"
+        run: "${{ matrix.script }}"
 
   tests-old-phpunit:
     name: "Tests with old PHPUnit"