feature #28522 [Translation] Added support for multiple files or directories in XliffLintCommand (yceruto)

This PR was squashed before being merged into the 4.2-dev branch (closes #28522).

Discussion
----------

[Translation] Added support for multiple files or directories in XliffLintCommand

| Q             | A
| ------------- | ---
| Branch?       | master
| Bug fix?      | no
| New feature?  | yes
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | symfony/symfony-docs#10368

Same approach of symfony/symfony#28521

Commits
-------

88ec37bed7 [Translation] Added support for multiple files or directories in XliffLintCommand

Author: nicolas-grekas

CHANGELOG.md

@@ -8,6 +8,7 @@ CHANGELOG
  * deprecated `TranslatorInterface` in favor of `Symfony\Contracts\Translation\TranslatorInterface`
  * deprecated `MessageSelector`, `Interval` and `PluralizationRules`; use `IdentityTranslator` instead
  * Added `IntlMessageFormatter` and `FallbackMessageFormatter`
+ * added support for multiple files and directories in `XliffLintCommand`
 
 4.1.0
 -----

Command/XliffLintCommand.php

@@ -13,6 +13,7 @@
 
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Exception\RuntimeException;
+use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
@@ -52,7 +53,7 @@ protected function configure()
     {
         $this
             ->setDescription('Lints a XLIFF file and outputs encountered errors')
-            ->addArgument('filename', null, 'A file or a directory or STDIN')
+            ->addArgument('filename', InputArgument::IS_ARRAY, 'A file or a directory or STDIN')
             ->addOption('format', null, InputOption::VALUE_REQUIRED, 'The output format', 'txt')
             ->setHelp(<<<EOF
 The <info>%command.name%</info> command lints a XLIFF file and outputs to STDOUT
@@ -79,25 +80,27 @@ protected function configure()
     protected function execute(InputInterface $input, OutputInterface $output)
     {
         $io = new SymfonyStyle($input, $output);
-        $filename = $input->getArgument('filename');
+        $filenames = (array) $input->getArgument('filename');
         $this->format = $input->getOption('format');
         $this->displayCorrectFiles = $output->isVerbose();
 
-        if (!$filename) {
+        if (0 === \count($filenames)) {
             if (!$stdin = $this->getStdin()) {
                 throw new RuntimeException('Please provide a filename or pipe file content to STDIN.');
             }
 
             return $this->display($io, array($this->validate($stdin)));
         }
 
-        if (!$this->isReadable($filename)) {
-            throw new RuntimeException(sprintf('File or directory "%s" is not readable.', $filename));
-        }
-
         $filesInfo = array();
-        foreach ($this->getFiles($filename) as $file) {
-            $filesInfo[] = $this->validate(file_get_contents($file), $file);
+        foreach ($filenames as $filename) {
+            if (!$this->isReadable($filename)) {
+                throw new RuntimeException(sprintf('File or directory "%s" is not readable.', $filename));
+            }
+
+            foreach ($this->getFiles($filename) as $file) {
+                $filesInfo[] = $this->validate(file_get_contents($file), $file);
+            }
         }
 
         return $this->display($io, $filesInfo);

Tests/Command/XliffLintCommandTest.php

@@ -40,6 +40,21 @@ public function testLintCorrectFile()
         $this->assertContains('OK', trim($tester->getDisplay()));
     }
 
+    public function testLintCorrectFiles()
+    {
+        $tester = $this->createCommandTester();
+        $filename1 = $this->createFile();
+        $filename2 = $this->createFile();
+
+        $tester->execute(
+            array('filename' => array($filename1, $filename2)),
+            array('verbosity' => OutputInterface::VERBOSITY_VERBOSE, 'decorated' => false)
+        );
+
+        $this->assertEquals(0, $tester->getStatusCode(), 'Returns 0 in case of success');
+        $this->assertContains('OK', trim($tester->getDisplay()));
+    }
+
     /**
      * @dataProvider provideStrictFilenames
      */