Test that the plugin can be enabled and unconfigured without issues

tests/_data/fixtures/no-patches-defined/composer.json

@@ -0,0 +1,23 @@
+{
+  "name": "cweagans/composer-patches-test-project",
+  "description": "Project for use in cweagans/composer-patches acceptance tests.",
+  "type": "project",
+  "license": "BSD-3-Clause",
+  "repositories": [
+    {
+      "type": "path",
+      "url": "../../../../"
+    }
+  ],
+  "require": {
+    "cweagans/composer-patches": "*@dev",
+    "cweagans/composer-patches-testrepo": "~1.0"
+  },
+  "extra": {
+  },
+  "config": {
+    "allow-plugins": {
+      "cweagans/composer-patches": true
+    }
+  }
+}

tests/acceptance/NoPatchesDefinedCept.php

@@ -0,0 +1,13 @@
+<?php
+
+/**
+ * @var \Codeception\Scenario $scenario
+ */
+
+use cweagans\Composer\Tests\AcceptanceTester;
+
+$I = new AcceptanceTester($scenario);
+$I->wantTo('know that the plugin will work if loaded and not configured');
+$I->amInPath(codecept_data_dir('fixtures/no-patches-defined'));
+$I->runComposerCommand('install', ['-vvv']);
+$I->canSeeInComposerOutput('No patches found for cweagans/composer-patches-testrepo');