Runner: add test for "out of memory" shutdown handler

src/Runner.php

@@ -957,12 +957,12 @@ private function registerOutOfMemoryShutdownMessage($command)
         // Allocate all needed memory beforehand as much as possible.
         $errorMsg    = PHP_EOL.'The PHP_CodeSniffer "%1$s" command ran out of memory.'.PHP_EOL;
         $errorMsg   .= 'Either raise the "memory_limit" of PHP in the php.ini file or raise the memory limit at runtime'.PHP_EOL;
-        $errorMsg   .= 'using `%1$s -d memory_limit=512M` (replace 512M with the desired memory limit).'.PHP_EOL;
+        $errorMsg   .= 'using "%1$s -d memory_limit=512M" (replace 512M with the desired memory limit).'.PHP_EOL;
         $errorMsg    = sprintf($errorMsg, $command);
         $memoryError = 'Allowed memory size of';
         $errorArray  = [
             'type'    => 42,
-            'message' => 'Some random dummy string to take up memory and take up some more memory and some more',
+            'message' => 'Some random dummy string to take up memory and take up some more memory and some more and more and more and more',
             'file'    => 'Another random string, which would be a filename this time. Should be relatively long to allow for deeply nested files',
             'line'    => 31427,
         ];

tests/EndToEnd/outofmemory_test.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+
+function tear_down() {
+  rm -f tests/EndToEnd/Fixtures/*.fixed
+}
+
+function test_phpcs_out_of_memory_error_handling() {
+  OUTPUT="$(bin/phpcs -d memory_limit=4M --standard=tests/EndToEnd/Fixtures/endtoend.xml.dist tests/EndToEnd/Fixtures/)"
+  # Exit code can't currently be tested as it looks like it may be 255 or 139 depending on the PHP version.
+  # Related feature request upstream: https://github.com/TypedDevs/bashunit/issues/505
+  # assert_exit_code 255
+
+  assert_contains "The PHP_CodeSniffer \"phpcs\" command ran out of memory." "$OUTPUT"
+  assert_contains "Either raise the \"memory_limit\" of PHP in the php.ini file or raise the memory limit at runtime" "$OUTPUT"
+  assert_contains "using \"phpcs -d memory_limit=512M\" (replace 512M with the desired memory limit)." "$OUTPUT"
+}
+
+function test_phpcbf_out_of_memory_error_handling() {
+  OUTPUT="$(bin/phpcbf -d memory_limit=4M --standard=tests/EndToEnd/Fixtures/endtoend.xml.dist tests/EndToEnd/Fixtures/ --suffix=.fixed)"
+  # Exit code can't currently be tested as it looks like it may be 255 or 139 depending on the PHP version.
+  # Related feature request upstream: https://github.com/TypedDevs/bashunit/issues/505
+  # assert_exit_code 255
+
+  assert_contains "The PHP_CodeSniffer \"phpcbf\" command ran out of memory." "$OUTPUT"
+  assert_contains "Either raise the \"memory_limit\" of PHP in the php.ini file or raise the memory limit at runtime" "$OUTPUT"
+  assert_contains "using \"phpcbf -d memory_limit=512M\" (replace 512M with the desired memory limit)." "$OUTPUT"
+}