diff --git a/tests/Roles.php b/tests/Roles.php
new file mode 100644
index 0000000..a3e58a7
--- /dev/null
+++ b/tests/Roles.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace distinctm\LaravelDataSync\Tests;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Roles extends Model
+{
+
+}
\ No newline at end of file
diff --git a/tests/TestCase.php b/tests/TestCase.php
new file mode 100644
index 0000000..0a69158
--- /dev/null
+++ b/tests/TestCase.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace distinctm\LaravelDataSync\Tests;
+
+class TestCase extends \Orchestra\Testbench\TestCase
+{
+    protected function getEnvironmentSetUp($app)
+    {
+        $app['config']->set('database.default', 'testdb');
+        $app['config']->set('database.connections.testdb', [
+            'driver' => 'sqlite',
+            'database' => ':memory:'
+        ]);
+    }
+}
\ No newline at end of file
diff --git a/tests/Unit/UpdaterTest.php b/tests/Unit/UpdaterTest.php
new file mode 100644
index 0000000..7a86df5
--- /dev/null
+++ b/tests/Unit/UpdaterTest.php
@@ -0,0 +1,36 @@
+<?php
+
+namespace distinctm\LaravelDataSync\Tests;
+
+use distinctm\LaravelDataSync\Updater;
+
+class UpdaterTest extends TestCase
+{
+    /** @test */
+    public function exception_is_thrown_if_the_directory_does_not_exists()
+    {
+        $this->expectException(\Exception::class);
+
+        new Updater();
+    }
+    
+    /** @test */
+    public function experiment()
+    {
+        $updater = new UpdaterFake(__DIR__ . '/../test-data', 'roles');
+
+        \DB::enableQueryLog();
+        $updater->run();
+        \DB::disableQueryLog();
+
+        dd(\DB::getQueryLog());
+    }
+}
+
+class UpdaterFake extends Updater
+{
+    protected function getModel(string $name)
+    {
+        return Roles::class;
+    }
+}
\ No newline at end of file
diff --git a/tests/test-data/roles.json b/tests/test-data/roles.json
new file mode 100644
index 0000000..c5f860f
--- /dev/null
+++ b/tests/test-data/roles.json
@@ -0,0 +1,11 @@
+[
+    {
+        "_slug": "update-student-records"
+    },
+    {
+        "_slug": "borrow-ferrari"
+    },
+    {
+        "_slug": "destroy-ferrari"
+    }
+]
\ No newline at end of file