From 516d288e4e6d0b7396361022a6fd8f985061ab10 Mon Sep 17 00:00:00 2001
From: Wout Gevaert <woutgevaert@gmail.com>
Date: Sun, 6 Oct 2019 23:03:19 +0200
Subject: [PATCH] Make test to test abstract dataproviders and dataproviders in
 abstract classes

---
 ...bstractVariousIterableDataProviderTest.php | 56 +++++++++++++++++++
 .../VariousIterableDataProviderTest.php       |  8 +--
 tests/unit/Util/TestTest.php                  | 27 +++++++++
 3 files changed, 87 insertions(+), 4 deletions(-)
 create mode 100644 tests/_files/AbstractVariousIterableDataProviderTest.php

diff --git a/tests/_files/AbstractVariousIterableDataProviderTest.php b/tests/_files/AbstractVariousIterableDataProviderTest.php
new file mode 100644
index 00000000000..776e8bf840a
--- /dev/null
+++ b/tests/_files/AbstractVariousIterableDataProviderTest.php
@@ -0,0 +1,56 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of PHPUnit.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+abstract class AbstractVariousIterableDataProviderTest
+{
+    abstract public function asArrayProvider();
+
+    abstract public function asIteratorProvider();
+
+    abstract public function asTraversableProvider();
+
+    public function asArrayProviderInParent()
+    {
+        return [
+            ['J'],
+            ['K'],
+            ['L'],
+        ];
+    }
+
+    public function asIteratorProviderInParent()
+    {
+        yield ['M'];
+
+        yield ['N'];
+
+        yield ['O'];
+    }
+
+    public function asTraversableProviderInParent()
+    {
+        return new WrapperIteratorAggregate([
+            ['P'],
+            ['Q'],
+            ['R'],
+        ]);
+    }
+
+    /**
+     * @dataProvider asArrayProvider
+     * @dataProvider asIteratorProvider
+     * @dataProvider asTraversableProvider
+     * @dataProvider asArrayProviderInParent
+     * @dataProvider asIteratorProviderInParent
+     * @dataProvider asTraversableProviderInParent
+     */
+    public function testAbstract(): void
+    {
+    }
+}
diff --git a/tests/_files/VariousIterableDataProviderTest.php b/tests/_files/VariousIterableDataProviderTest.php
index b84e0ccc387..a5a95b2eea9 100644
--- a/tests/_files/VariousIterableDataProviderTest.php
+++ b/tests/_files/VariousIterableDataProviderTest.php
@@ -7,9 +7,9 @@
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
  */
-class VariousIterableDataProviderTest
+class VariousIterableDataProviderTest extends AbstractVariousIterableDataProviderTest
 {
-    public static function asArrayProvider()
+    public function asArrayProvider()
     {
         return [
             ['A'],
@@ -18,7 +18,7 @@ public static function asArrayProvider()
         ];
     }
 
-    public static function asIteratorProvider()
+    public function asIteratorProvider()
     {
         yield ['D'];
 
@@ -27,7 +27,7 @@ public static function asIteratorProvider()
         yield ['F'];
     }
 
-    public static function asTraversableProvider()
+    public function asTraversableProvider()
     {
         return new WrapperIteratorAggregate([
             ['G'],
diff --git a/tests/unit/Util/TestTest.php b/tests/unit/Util/TestTest.php
index 27202ead191..a19c4d8f81f 100644
--- a/tests/unit/Util/TestTest.php
+++ b/tests/unit/Util/TestTest.php
@@ -911,6 +911,33 @@ public function testMultipleYieldIteratorDataProviders(): void
         $this->assertEquals(3, $cCount);
     }
 
+    public function testWithAbstractVariousIterableDataProviders(): void
+    {
+        $dataSets = Test::getProvidedData(\VariousIterableDataProviderTest::class, 'testAbstract');
+
+        $this->assertEquals([
+            ['A'],
+            ['B'],
+            ['C'],
+            ['D'],
+            ['E'],
+            ['F'],
+            ['G'],
+            ['H'],
+            ['I'],
+            ['J'],
+            ['K'],
+            ['L'],
+            ['M'],
+            ['N'],
+            ['O'],
+            ['P'],
+            ['Q'],
+            ['R'],
+
+        ], $dataSets);
+    }
+
     public function testWithVariousIterableDataProviders(): void
     {
         $dataSets = Test::getProvidedData(\VariousIterableDataProviderTest::class, 'test');