test DatabaseSchema tool

Author: petersuhm

src/Mcp/Tools/DatabaseSchema.php

@@ -5,7 +5,6 @@
 use Laravel\Mcp\Tools\ToolResponse;
 use Laravel\Mcp\Tools\ToolInputSchema;
 use Laravel\Mcp\Tools\Tool;
-use Illuminate\Database\Connection;
 use Illuminate\Support\Facades\Artisan;
 use Illuminate\Support\Str;
 

tests/Feature/Mcp/Tools/DatabaseSchemaTest.php

@@ -0,0 +1,57 @@
+<?php
+
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\File;
+use Illuminate\Support\Facades\Schema;
+use Laravel\AiAssistant\Mcp\Tools\DatabaseSchema;
+
+beforeEach(function () {
+    // Switch the default connection to a file-backed SQLite DB.
+    config()->set('database.default', 'testing');
+    config()->set('database.connections.testing', [
+        'driver' => 'sqlite',
+        'database' => database_path('testing.sqlite'),
+        'prefix' => '',
+    ]);
+
+    // Ensure the DB file *and* schema folder exist.
+    if (! is_file($file = database_path('testing.sqlite'))) {
+        touch($file);
+    }
+
+    if (! is_dir($path = database_path('schema'))) {
+        mkdir($path, 0777, true);
+    }
+
+    // Build a throw-away table that we expect in the dump.
+    Schema::create('examples', function (Blueprint $table) {
+        $table->id();
+        $table->string('name');
+    });
+});
+
+afterEach(function () {
+    $dbFile = database_path('testing.sqlite');
+    if (File::exists($dbFile)) {
+        File::delete($dbFile);
+    }
+
+    $schemaDir = database_path('schema');
+    if (File::isDirectory($schemaDir)) {
+        File::deleteDirectory($schemaDir);
+    }
+});
+
+test('it dumps the schema and returns it in the tool response', function () {
+    $tool = new DatabaseSchema;
+    $response = $tool->handle([]);
+
+    $sql = $response->toArray()['content'][0]['text'];
+
+    expect($sql)->toContain(
+        'CREATE TABLE IF NOT EXISTS "examples"'
+    );
+
+    $this->assertDirectoryIsReadable(database_path('schema'));
+    expect(glob(database_path('schema/*.sql')))->toBeEmpty();
+});