Merge pull request #3 from farzai:add-error-message

Add error message if leave target empty

Author: parsilver

src/Commands/CreateQrCode.php

@@ -33,6 +33,12 @@ protected function execute(InputInterface $input, OutputInterface $output)
                 $input,
                 $output
             );
+
+            if (! $target) {
+                $output->writeln('Please enter receiver target., e.g. 0899999999');
+
+                return Command::FAILURE;
+            }
         }
 
         $lines = [

tests/CommandTest.php

@@ -70,3 +70,25 @@
 EOF
     );
 });
+
+it('should error when target is null after answer target with empty', function () {
+    $application = new Application();
+    $application->add(
+        $command = new CreateQrCode()
+    );
+    $application->setAutoExit(false);
+
+    $tester = new ApplicationTester($application);
+
+    $tester->setInputs(['']);
+
+    $tester->run([
+        'command' => $command->getName(),
+    ]);
+
+    expect($tester->getDisplay())->toContain(
+        <<<'EOF'
+Please enter receiver target., e.g. 0899999999
+EOF
+    );
+});