fix notification chanels and more tests (#108)

* fix notification chanels and more tests

* fix code style

tests/Unit/SSHCommands/Database/LinkCommandTest.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace Tests\Unit\SSHCommands\Database;
+
+use App\SSHCommands\Database\LinkCommand;
+use Tests\TestCase;
+
+class LinkCommandTest extends TestCase
+{
+    public function test_generate_command()
+    {
+        $command = new LinkCommand('mysql', 'user', '%', 'test');
+
+        $expected = <<<'EOD'
+        if ! sudo mysql -e "GRANT ALL PRIVILEGES ON test.* TO 'user'@'%'"; then
+            echo 'VITO_SSH_ERROR' && exit 1
+        fi
+
+        if ! sudo mysql -e "FLUSH PRIVILEGES"; then
+            echo 'VITO_SSH_ERROR' && exit 1
+        fi
+
+        echo "Linking to test finished"
+        EOD;
+
+        $this->assertStringContainsString($expected, $command->content());
+    }
+}