diff --git a/tests/DirectAdminTest.php b/tests/DirectAdminTest.php
new file mode 100644
index 0000000..fbc30b6
--- /dev/null
+++ b/tests/DirectAdminTest.php
@@ -0,0 +1,70 @@
+<?php
+
+/** @noinspection PhpUnhandledExceptionInspection */
+
+use Illuminate\Support\Facades\Http;
+use Sensson\DirectAdmin\DirectAdmin;
+use Sensson\DirectAdmin\Exceptions\AuthenticationFailed;
+use Sensson\DirectAdmin\Exceptions\CommandNotFound;
+use Sensson\DirectAdmin\Exceptions\InvalidResponse;
+use Sensson\DirectAdmin\Exceptions\Unauthorized;
+
+it('works', function () {
+    Http::fake(function () {
+        return Http::response([
+            'domain.com' => 'username',
+        ]);
+    });
+
+    $response = app(DirectAdmin::class)->call('CMD_API_DOMAIN_OWNERS');
+
+    expect($response->toArray())
+        ->toMatchArray([
+            'domain.com' => 'username',
+        ]);
+});
+
+it('processes api call directly', function () {
+    Http::fake(function () {
+        return Http::response([
+            'domain.com' => 'username',
+        ]);
+    });
+
+    $response = app(DirectAdmin::class)->CMD_API_DOMAIN_OWNERS();
+
+    expect($response->toArray())
+        ->toMatchArray([
+            'domain.com' => 'username',
+        ]);
+});
+
+it('fails when incorrect credentials are used', function () {
+    Http::fake(fn () => Http::response([], 401));
+
+    app(DirectAdmin::class)->call('NOT_LOGGED_IN');
+})->throws(AuthenticationFailed::class);
+
+it('fails when user does not have access to resource', function () {
+    Http::fake(fn () => Http::response([], 403));
+
+    app(DirectAdmin::class)->call('NO_ACCESS');
+})->throws(Unauthorized::class);
+
+it('fails if command is unknown', function () {
+    Http::fake(fn () => Http::response([], 405));
+
+    app(DirectAdmin::class)->call('UNKNOWN_COMMAND');
+})->throws(CommandNotFound::class);
+
+it('fails if server returns invalid JSON', function () {
+    Http::fake(function () {
+        return Http::response([
+            'error' => 'Invalid JSON',
+        ], 500);
+    });
+
+    app(DirectAdmin::class)->call('INVALID_JSON');
+})->throws(InvalidResponse::class);
+
+