Add test for NSIS delete app data env variable passthrough

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: igorgudelj

tests/Build/BuildCommandEnvironmentVariablesTest.php

@@ -0,0 +1,31 @@
+<?php
+
+use Illuminate\Support\Facades\Config;
+use Native\Desktop\Drivers\Electron\Commands\BuildCommand;
+
+it('passes NSIS delete app data flag as true when config is enabled', function () {
+    Config::set('nativephp.nsis.delete_app_data_on_uninstall', true);
+
+    $command = app(BuildCommand::class);
+    $envVars = (new ReflectionMethod($command, 'getEnvironmentVariables'))->invoke($command);
+
+    expect($envVars['NATIVEPHP_NSIS_DELETE_APP_DATA'])->toBe('true');
+});
+
+it('passes NSIS delete app data flag as false when config is disabled', function () {
+    Config::set('nativephp.nsis.delete_app_data_on_uninstall', false);
+
+    $command = app(BuildCommand::class);
+    $envVars = (new ReflectionMethod($command, 'getEnvironmentVariables'))->invoke($command);
+
+    expect($envVars['NATIVEPHP_NSIS_DELETE_APP_DATA'])->toBe('false');
+});
+
+it('defaults NSIS delete app data flag to false when config is not set', function () {
+    Config::set('nativephp.nsis.delete_app_data_on_uninstall', null);
+
+    $command = app(BuildCommand::class);
+    $envVars = (new ReflectionMethod($command, 'getEnvironmentVariables'))->invoke($command);
+
+    expect($envVars['NATIVEPHP_NSIS_DELETE_APP_DATA'])->toBe('false');
+});