testDoWriteOnFailure

symfony · Mar 26, 2020 · 1f042b8 · 1f042b8
1 parent cc290fc
commit 1f042b8
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diff --git a/src/Symfony/Component/Console/Output/StreamOutput.php b/src/Symfony/Component/Console/Output/StreamOutput.php
@@ -75,6 +75,7 @@ protected function doWrite($message, $newline)
         }
 
         if (!is_resource($this->stream) || !is_string($message)) {
+            // should never happen
             throw new RuntimeException('Unable to write output.');
         }
         @fwrite($this->stream, $message);

diff --git a/src/Symfony/Component/Console/Tests/Fixtures/stream_output_file.txt b/src/Symfony/Component/Console/Tests/Fixtures/stream_output_file.txt
diff --git a/src/Symfony/Component/Console/Tests/Output/StreamOutputTest.php b/src/Symfony/Component/Console/Tests/Output/StreamOutputTest.php
@@ -11,6 +11,7 @@
 
 namespace Symfony\Component\Console\Tests\Output;
 
+use PHPUnit\Framework\AssertionFailedError;
 use PHPUnit\Framework\TestCase;
 use Symfony\Component\Console\Output\Output;
 use Symfony\Component\Console\Output\StreamOutput;
@@ -56,4 +57,17 @@ public function testDoWrite()
         rewind($output->getStream());
         $this->assertEquals('foo'.PHP_EOL, stream_get_contents($output->getStream()), '->doWrite() writes to the stream');
     }
+
+    public function testDoWriteOnFailure()
+    {
+        $resource = fopen(__DIR__.'/../Fixtures/stream_output_file.txt', 'r', false);
+        $output = new StreamOutput($resource);
+        try {
+            $output->writeln('foo');
+        } catch (\RuntimeException $exception) {
+            throw new AssertionFailedError('dd');
+        }
+        rewind($output->getStream());
+        $this->assertEquals('', stream_get_contents($output->getStream()));
+    }
 }