Add tests for invalid sockets for logging

tests/end-to-end/logging/log-junit-invalid-socket.phpt

@@ -0,0 +1,28 @@
+--TEST--
+Test runner emits warning when --log-junit is used with an invalid socket
+--FILE--
+<?php declare(strict_types=1);
+$_SERVER['argv'][] = '--do-not-cache-result';
+$_SERVER['argv'][] = '--no-configuration';
+$_SERVER['argv'][] = '--log-junit';
+$_SERVER['argv'][] = 'socket://hostname:port:wrong';
+$_SERVER['argv'][] = __DIR__ . '/../_files/basic/SuccessTest.php';
+
+require_once __DIR__ . '/../../bootstrap.php';
+
+(new PHPUnit\TextUI\Application)->run($_SERVER['argv']);
+--EXPECTF--
+PHPUnit %s by Sebastian Bergmann and contributors.
+
+Runtime: %s
+
+.                                                                   1 / 1 (100%)
+
+Time: %s, Memory: %s
+
+There was 1 PHPUnit test runner warning:
+
+1) Cannot log test results in JUnit XML format to "socket://hostname:port:wrong": "socket://hostname:port:wrong" does not match "socket://hostname:port" format
+
+WARNINGS!
+Tests: 1, Assertions: 1, Warnings: 1.

tests/end-to-end/logging/log-teamcity-invalid-socket.phpt

@@ -0,0 +1,28 @@
+--TEST--
+Test runner emits warning when --log-teamcity is used with an invalid socket
+--FILE--
+<?php declare(strict_types=1);
+$_SERVER['argv'][] = '--do-not-cache-result';
+$_SERVER['argv'][] = '--no-configuration';
+$_SERVER['argv'][] = '--log-teamcity';
+$_SERVER['argv'][] = 'socket://hostname:port:wrong';
+$_SERVER['argv'][] = __DIR__ . '/../_files/basic/SuccessTest.php';
+
+require_once __DIR__ . '/../../bootstrap.php';
+
+(new PHPUnit\TextUI\Application)->run($_SERVER['argv']);
+--EXPECTF--
+PHPUnit %s by Sebastian Bergmann and contributors.
+
+Runtime: %s
+
+.                                                                   1 / 1 (100%)
+
+Time: %s, Memory: %s
+
+There was 1 PHPUnit test runner warning:
+
+1) Cannot log test results in TeamCity format to "socket://hostname:port:wrong": "socket://hostname:port:wrong" does not match "socket://hostname:port" format
+
+WARNINGS!
+Tests: 1, Assertions: 1, Warnings: 1.

tests/end-to-end/logging/testdox-html-invalid-socket.phpt

@@ -0,0 +1,28 @@
+--TEST--
+Test runner emits warning when --testdox-html is used with an invalid socket
+--FILE--
+<?php declare(strict_types=1);
+$_SERVER['argv'][] = '--do-not-cache-result';
+$_SERVER['argv'][] = '--no-configuration';
+$_SERVER['argv'][] = '--testdox-html';
+$_SERVER['argv'][] = 'socket://hostname:port:wrong';
+$_SERVER['argv'][] = __DIR__ . '/../_files/basic/SuccessTest.php';
+
+require_once __DIR__ . '/../../bootstrap.php';
+
+(new PHPUnit\TextUI\Application)->run($_SERVER['argv']);
+--EXPECTF--
+PHPUnit %s by Sebastian Bergmann and contributors.
+
+Runtime: %s
+
+.                                                                   1 / 1 (100%)
+
+Time: %s, Memory: %s
+
+There was 1 PHPUnit test runner warning:
+
+1) Cannot log test results in TestDox HTML format to "socket://hostname:port:wrong": "socket://hostname:port:wrong" does not match "socket://hostname:port" format
+
+WARNINGS!
+Tests: 1, Assertions: 1, Warnings: 1.

tests/end-to-end/logging/testdox-text-invalid-socket.phpt

@@ -0,0 +1,28 @@
+--TEST--
+Test runner emits warning when --testdox-text is used with an invalid socket
+--FILE--
+<?php declare(strict_types=1);
+$_SERVER['argv'][] = '--do-not-cache-result';
+$_SERVER['argv'][] = '--no-configuration';
+$_SERVER['argv'][] = '--testdox-text';
+$_SERVER['argv'][] = 'socket://hostname:port:wrong';
+$_SERVER['argv'][] = __DIR__ . '/../_files/basic/SuccessTest.php';
+
+require_once __DIR__ . '/../../bootstrap.php';
+
+(new PHPUnit\TextUI\Application)->run($_SERVER['argv']);
+--EXPECTF--
+PHPUnit %s by Sebastian Bergmann and contributors.
+
+Runtime: %s
+
+.                                                                   1 / 1 (100%)
+
+Time: %s, Memory: %s
+
+There was 1 PHPUnit test runner warning:
+
+1) Cannot log test results in TestDox plain text format to "socket://hostname:port:wrong": "socket://hostname:port:wrong" does not match "socket://hostname:port" format
+
+WARNINGS!
+Tests: 1, Assertions: 1, Warnings: 1.