Fix FTP and add more tests (#274)

app/Facades/FTP.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Facades;
+
+use App\Support\Testing\FTPFake;
+use FTP\Connection;
+use Illuminate\Support\Facades\Facade;
+
+/**
+ * @method static bool|Connection connect(string $host, string $port, bool $ssl = false)
+ * @method static bool login(string $username, string $password, bool|Connection $connection)
+ * @method static void close(bool|Connection $connection)
+ * @method static bool passive(bool|Connection $connection, bool $passive)
+ * @method static bool delete(bool|Connection $connection, string $path)
+ * @method static void assertConnected(string $host)
+ */
+class FTP extends Facade
+{
+    protected static function getFacadeAccessor(): string
+    {
+        return 'ftp';
+    }
+
+    public static function fake(): FTPFake
+    {
+        static::swap($fake = new FTPFake());
+
+        return $fake;
+    }
+}

app/Helpers/FTP.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace App\Helpers;
+
+use FTP\Connection;
+
+class FTP
+{
+    public function connect(string $host, string $port, bool $ssl = false): bool|Connection
+    {
+        if ($ssl) {
+            return ftp_ssl_connect($host, $port, 5);
+        }
+
+        return ftp_connect($host, $port, 5);
+    }
+
+    public function login(string $username, string $password, bool|Connection $connection): bool
+    {
+        return ftp_login($connection, $username, $password);
+    }
+
+    public function close(bool|Connection $connection): void
+    {
+        ftp_close($connection);
+    }
+
+    public function passive(bool|Connection $connection, bool $passive): bool
+    {
+        return ftp_pasv($connection, $passive);
+    }
+
+    public function delete(bool|Connection $connection, string $path): bool
+    {
+        return ftp_delete($connection, $path);
+    }
+}

app/Providers/AppServiceProvider.php

@@ -2,6 +2,7 @@
 
 namespace App\Providers;
 
+use App\Helpers\FTP;
 use App\Helpers\Notifier;
 use App\Helpers\SSH;
 use App\Helpers\Toast;
@@ -36,5 +37,8 @@ public function boot(): void
         $this->app->bind('toast', function () {
             return new Toast;
         });
+        $this->app->bind('ftp', function () {
+            return new FTP;
+        });
     }
 }

app/StorageProviders/FTP.php

@@ -41,7 +41,7 @@ public function connect(): bool
         $isConnected = $connection && $this->login($connection);
 
         if ($isConnected) {
-            ftp_close($connection);
+            \App\Facades\FTP::close($connection);
         }
 
         return $isConnected;
@@ -58,31 +58,36 @@ public function delete(array $paths): void
 
         if ($connection && $this->login($connection)) {
             if ($this->storageProvider->credentials['passive']) {
-                ftp_pasv($connection, true);
+                \App\Facades\FTP::passive($connection, true);
             }
 
             foreach ($paths as $path) {
-                ftp_delete($connection, $this->storageProvider->credentials['path'].'/'.$path);
+                \App\Facades\FTP::delete($connection, $this->storageProvider->credentials['path'].'/'.$path);
             }
         }
 
-        ftp_close($connection);
+        \App\Facades\FTP::close($connection);
     }
 
     private function connection(): bool|Connection
     {
         $credentials = $this->storageProvider->credentials;
-        if ($credentials['ssl']) {
-            return ftp_ssl_connect($credentials['host'], $credentials['port'], 5);
-        }
 
-        return ftp_connect($credentials['host'], $credentials['port'], 5);
+        return \App\Facades\FTP::connect(
+            $credentials['host'],
+            $credentials['port'],
+            $credentials['ssl']
+        );
     }
 
-    private function login(Connection $connection): bool
+    private function login(bool|Connection $connection): bool
     {
         $credentials = $this->storageProvider->credentials;
 
-        return ftp_login($connection, $credentials['username'], $credentials['password']);
+        return \App\Facades\FTP::login(
+            $credentials['username'],
+            $credentials['password'],
+            $connection
+        );
     }
 }

app/Support/Testing/FTPFake.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace App\Support\Testing;
+
+use FTP\Connection;
+use PHPUnit\Framework\Assert;
+
+class FTPFake
+{
+    protected array $connections = [];
+
+    protected array $logins = [];
+
+    public function connect(string $host, string $port, bool $ssl = false): bool|Connection
+    {
+        $this->connections[] = compact('host', 'port', 'ssl');
+
+        return true;
+    }
+
+    public function login(string $username, string $password, bool|Connection $connection): bool
+    {
+        $this->logins[] = compact('username', 'password');
+
+        return true;
+    }
+
+    public function close(bool|Connection $connection): void
+    {
+        //
+    }
+
+    public function passive(bool|Connection $connection, bool $passive): void
+    {
+        //
+    }
+
+    public function delete(bool|Connection $connection, string $path): void
+    {
+        //
+    }
+
+    public function assertConnected(string $host): void
+    {
+        if (! $this->connections) {
+            Assert::fail('No connections are made');
+        }
+        $connected = false;
+        foreach ($this->connections as $connection) {
+            if ($connection['host'] === $host) {
+                $connected = true;
+                break;
+            }
+        }
+        if (! $connected) {
+            Assert::fail('The expected host is not connected');
+        }
+        Assert::assertTrue(true, $connected);
+    }
+}