Add test for sebastianbergmann#2861

tests/Regression/GitHub/2861-data-provider-keys.phpt

@@ -0,0 +1,39 @@
+--TEST--
+GH-2861: test names show numeric datasource only for iterators as dataprovider
+GH-2639: Second `yield from` is not called from a data provider
+--FILE--
+<?php
+$_SERVER['argv'][1] = '--no-configuration';
+$_SERVER['argv'][1] = '--debug';
+$_SERVER['argv'][2] = 'Issue2861Test';
+$_SERVER['argv'][3] = __DIR__ . '/2861/Issue2861Test.php';
+
+require __DIR__ . '/../../bootstrap.php';
+
+PHPUnit\TextUI\Command::main();
+?>
+--EXPECTF--
+PHPUnit %s by Sebastian Bergmann and contributors.
+
+Runtime:%s
+Configuration: %s
+
+Test 'Issue2861Test::testArrayProvider with data set "xyx" (11, 111)' started
+%s
+Test 'Issue2861Test::testIteratorProvider with data set "bla" (1, 11)' started
+%s
+Test 'Issue2861Test::testMultipleIteratorProviders with data set "bla" (1, 11)' started
+%s
+Test 'Issue2861Test::testMultipleIteratorProviders with data set #0 (22, 2)' started
+%s
+Test 'Issue2861Test::testMultipleIteratorProviders with data set "xyx" (11, 111)' started
+%s
+Test 'Issue2861Test::testMultipleIteratorProviders with data set #1 (23, 31)' started
+%s
+Test 'Issue2861Test::testMultipleIteratorProviders with data set #2 (24, 44)' started
+%s
+
+
+Time: %s, Memory: %s
+
+OK (7 tests, 7 assertions)

tests/Regression/GitHub/2861/Issue2861Test.php

@@ -0,0 +1,54 @@
+<?php
+
+use PHPUnit\Framework\TestCase;
+
+class Issue2861Test extends TestCase
+{
+    /**
+     * @dataProvider arrayProvider
+     */
+    public function testArrayProvider()
+    {
+        // shows key as datasource
+        $this->assertTrue(true);
+    }
+
+    /**
+     * @dataProvider iteratorProvider
+     */
+    public function testIteratorProvider()
+    {
+        // shows numeric datasource
+        $this->assertTrue(true);
+    }
+
+    /**
+     * @dataProvider multipleIteratorProvider
+     */
+    public function testMultipleIteratorProviders()
+    {
+        // shows mixed datasource
+        $this->assertTrue(true);
+    }
+
+    public static function arrayProvider()
+    {
+        return array(
+            'xyx' => array(11,111),
+        );
+    }
+
+    public static function iteratorProvider()
+    {
+        yield 'bla' => array(1, 11);
+    }
+
+    public static function multipleIteratorProvider()
+    {
+        yield from self::iteratorProvider();
+        yield array(22, 2);
+        yield from self::arrayProvider();
+        yield from array(array(23, 31), array(24, 44));
+    }
+
+}