Merge pull request #612 from alexmanase/1.x-fix-ignored-description-for-layz-datasets

[1.x] Fixes ignored dataset description only for string description

src/Datasets.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace Pest;
 
 use Closure;
+use Generator;
 use Pest\Exceptions\DatasetAlreadyExist;
 use Pest\Exceptions\DatasetDoesNotExist;
 use SebastianBergmann\Exporter\Exporter;
@@ -122,7 +123,10 @@ final class Datasets
             }
 
             if ($datasets[$index] instanceof Traversable) {
-                $datasets[$index] = iterator_to_array($datasets[$index], false);
+                $preserveKeysForArrayIterator = $datasets[$index] instanceof Generator
+                    && is_string($datasets[$index]->key());
+
+                $datasets[$index] = iterator_to_array($datasets[$index], $preserveKeysForArrayIterator);
             }
 
             foreach ($datasets[$index] as $key => $values) {

tests/.snapshots/success.txt

@@ -101,6 +101,8 @@
   ✓ eager registered wrapped datasets with Generator functions with (3)
   ✓ eager registered wrapped datasets with Generator functions with (4)
   ✓ eager registered wrapped datasets with Generator functions did the job right
+  ✓ eager registered wrapped datasets with Generator functions display description with data set "taylor"
+  ✓ eager registered wrapped datasets with Generator functions display description with data set "james"
   ✓ it can resolve a dataset after the test case is available with (Closure Object (...))
   ✓ it can resolve a dataset after the test case is available with shared yield sets with (Closure Object (...)) #1
   ✓ it can resolve a dataset after the test case is available with shared yield sets with (Closure Object (...)) #2
@@ -727,5 +729,5 @@
   ✓ it is a test
   ✓ it uses correct parent class
 
-  Tests:  4 incompleted, 9 skipped, 485 passed
+  Tests:  4 incompleted, 9 skipped, 487 passed
   

tests/Features/Datasets.php

@@ -247,6 +247,13 @@ test('eager registered wrapped datasets with Generator functions did the job rig
     expect($wrapped_generator_state->text)->toBe('1234');
 });
 
+test('eager registered wrapped datasets with Generator functions display description', function ($wrapped_generator_state_with_description) {
+    expect($wrapped_generator_state_with_description)->not->toBeEmpty();
+})->with(function () {
+    yield 'taylor' => 'taylor@laravel.com';
+    yield 'james' => 'james@laravel.com';
+});
+
 it('can resolve a dataset after the test case is available', function ($result) {
     expect($result)->toBe('bar');
 })->with([