Merge pull request #23 from niels-nijens/retrieve-process-execution-r…

…esult

Add ProcessExecutor::getLastProcessExecutionResult

src/Process/ProcessExecutor.php

@@ -11,6 +11,13 @@
  */
 class ProcessExecutor implements ProcessExecutorInterface
 {
+    /**
+     * The ProcessExecutionResult instance of the last executed command.
+     *
+     * @var ProcessExecutionResult
+     */
+    private $lastProcessExecutionResult;
+
     /**
      * {@inheritdoc}
      */
@@ -42,6 +49,16 @@ public function execute($command, $workingDirectory = null)
         $process->setTimeout(300);
         $process->run();
 
-        return new ProcessExecutionResult($process->getExitCode(), $process->getOutput(), $process->getErrorOutput());
+        $this->lastProcessExecutionResult = new ProcessExecutionResult($process->getExitCode(), $process->getOutput(), $process->getErrorOutput());
+
+        return $this->lastProcessExecutionResult;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getLastProcessExecutionResult()
+    {
+        return $this->lastProcessExecutionResult;
     }
 }

src/Process/ProcessExecutorInterface.php

@@ -27,4 +27,11 @@ public function isDirectory($path);
      * @return ProcessExecutionResult
      */
     public function execute($command, $workingDirectory = null);
+
+    /**
+     * Returns the ProcessExecutionResult instance of the last executed command.
+     *
+     * @return ProcessExecutionResult
+     */
+    public function getLastProcessExecutionResult();
 }

tests/Process/ProcessExecutorTest.php

@@ -65,4 +65,15 @@ public function testExecute()
         $this->assertSame('test'.PHP_EOL, $processExecutionResult->getOutput());
         $this->assertEquals('', $processExecutionResult->getErrorOutput());
     }
+
+    /**
+     * Tests if ProcessExecutor::getLastProcessExecutionResult returns the same ProcessExecutionResult instance as ProcessExecutor::execute.
+     */
+    public function testGetLastProcessExecutionResult()
+    {
+        $processExecutor = new ProcessExecutor();
+        $processExecutionResult = $processExecutor->execute('echo test');
+
+        $this->assertSame($processExecutionResult, $processExecutor->getLastProcessExecutionResult());
+    }
 }