test(baseline): ensure with a test that baseline can be in another directory

Author: nikophil

tests/end-to-end/_files/baseline/use-baseline-in-another-directory/phpunit.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="../../../../../phpunit.xsd"
+         cacheResult="false"
+>
+    <testsuites>
+        <testsuite name="default">
+            <directory>tests</directory>
+        </testsuite>
+    </testsuites>
+
+    <source baseline="tests/baseline.xml">
+        <include>
+            <directory>src</directory>
+        </include>
+    </source>
+</phpunit>

tests/end-to-end/_files/baseline/use-baseline-in-another-directory/tests/Test.php

@@ -0,0 +1,25 @@
+<?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.
+ */
+namespace PHPUnit\TestFixture\Baseline;
+
+use const E_USER_DEPRECATED;
+use function trigger_error;
+use PHPUnit\Framework\TestCase;
+
+final class Test extends TestCase
+{
+    public function testDeprecation(): void
+    {
+        trigger_error('deprecation', E_USER_DEPRECATED);
+
+        $this->assertTrue(true);
+    }
+}

tests/end-to-end/_files/baseline/use-baseline-in-another-directory/tests/baseline.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0"?>
+<files version="1">
+ <file path="Test.php">
+  <line number="21" hash="a1022fb62c4705938dd2c6df5ff35b2621f9e97d">
+   <issue><![CDATA[deprecation]]></issue>
+  </line>
+ </file>
+</files>

tests/end-to-end/baseline/use-baseline-in-another-directory.phpt

@@ -0,0 +1,26 @@
+--TEST--
+phpunit --configuration ../_files/baseline/use-baseline-in-another-directory/phpunit.xml --generate-baseline
+--FILE--
+<?php declare(strict_types=1);
+
+$_SERVER['argv'][] = '--do-not-cache-result';
+$_SERVER['argv'][] = '--configuration';
+$_SERVER['argv'][] = __DIR__ . '/../_files/baseline/use-baseline-in-another-directory/phpunit.xml';
+
+require_once __DIR__ . '/../../bootstrap.php';
+
+(new PHPUnit\TextUI\Application)->run($_SERVER['argv']);
+
+--EXPECTF--
+PHPUnit %s by Sebastian Bergmann and contributors.
+
+Runtime: %s
+Configuration: %s
+
+.                                                                   1 / 1 (100%)
+
+Time: %s, Memory: %s
+
+OK (1 test, 1 assertion)
+
+1 issue was ignored by baseline.