fix notification chanels and more tests (#108)

* fix notification chanels and more tests

* fix code style

tests/Unit/SSHCommands/System/CreateUserCommandTest.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace Tests\Unit\SSHCommands\System;
+
+use App\SSHCommands\System\CreateUserCommand;
+use Tests\TestCase;
+
+class CreateUserCommandTest extends TestCase
+{
+    public function test_generate_command()
+    {
+        $command = new CreateUserCommand('vito', 'password', 'key');
+
+        $expected = <<<'EOD'
+        export DEBIAN_FRONTEND=noninteractive
+        echo "key" | sudo tee -a /home/root/.ssh/authorized_keys
+        sudo useradd -p $(openssl passwd -1 password) vito
+        sudo usermod -aG sudo vito
+        echo "vito ALL=(ALL) NOPASSWD:ALL" | sudo tee -a /etc/sudoers
+        sudo mkdir /home/vito
+        sudo mkdir /home/vito/.ssh
+        echo "key" | sudo tee -a /home/vito/.ssh/authorized_keys
+        sudo chown -R vito:vito /home/vito
+        sudo chsh -s /bin/bash vito
+        sudo su - vito -c "ssh-keygen -t rsa -N '' -f ~/.ssh/id_rsa" <<< y
+        EOD;
+
+        $this->assertStringContainsString($expected, $command->content());
+    }
+}