test admin command

backend/tests/Unit/User/UseCases/EnsureInitialAdminCommandTest.php

@@ -0,0 +1,70 @@
+<?php
+
+namespace Tests\Unit\User\UseCases;
+
+use App\Console\Commands\EnsureInitialAdminCommand;
+use App\Shared\ValueObject\EmailAddress;
+use App\User\InitialAdminCredentials;
+use App\User\InitialAdminCredentialsProvider;
+use App\User\UseCases\EnsureInitialAdmin\EnsureInitialAdmin;
+use Symfony\Component\Console\Tester\CommandTester;
+use Tests\Fakes\FakeHasher;
+use Tests\Fakes\FakeUserRepository;
+use Tests\TestCase;
+
+class EnsureInitialAdminCommandTest extends TestCase
+{
+    public function testCommandCreatesInitialAdminFromProvider(): void
+    {
+        $userRepository = new FakeUserRepository();
+        $passwordHasher = new FakeHasher();
+        $command = new EnsureInitialAdminCommand(
+            new EnsureInitialAdmin($userRepository, $passwordHasher),
+            $this->credentialsProvider(
+                'admin@example.com',
+                'secret-password',
+            ),
+        );
+
+        $commandTester = new CommandTester($command);
+        $statusCode = $commandTester->execute([]);
+
+        $createdUser = $userRepository->findByEmail(
+            new EmailAddress('admin@example.com')
+        );
+
+        $this->assertSame(0, $statusCode);
+        $this->assertNotNull($createdUser);
+        $this->assertSame(
+            'hashed-secret-password',
+            $createdUser->getPasswordHash(),
+        );
+        $this->assertStringContainsString(
+            'initial admin is ready',
+            $commandTester->getDisplay(),
+        );
+    }
+
+    private function credentialsProvider(
+        string $email,
+        string $password,
+    ): InitialAdminCredentialsProvider {
+        return new class ($email, $password) implements
+            InitialAdminCredentialsProvider
+        {
+            public function __construct(
+                private string $email,
+                private string $password,
+            ) {
+            }
+
+            public function getCredentials(): InitialAdminCredentials
+            {
+                return new InitialAdminCredentials(
+                    email: $this->email,
+                    password: $this->password,
+                );
+            }
+        };
+    }
+}