[5.x] Scaffold PHPUnit test suite with make:addon command

src/Console/Commands/MakeAddon.php

@@ -80,7 +80,8 @@ public function handle()
             $this
                 ->generateAddonFiles()
                 ->installAddon()
-                ->generateOptional();
+                ->generateOptional()
+                ->installComposerDependencies();
         } catch (\Exception $e) {
             $this->error($e->getMessage());
 
@@ -137,8 +138,11 @@ protected function generateAddonFiles()
 
         $files = [
             'addon/provider.php.stub' => 'src/ServiceProvider.php',
+            'addon/TestCase.php.stub' => 'tests/TestCase.php',
+            'addon/ExampleTest.php.stub' => 'tests/ExampleTest.php',
             'addon/.gitignore.stub' => '.gitignore',
             'addon/README.md.stub' => 'README.md',
+            'addon/phpunit.xml.stub' => 'phpunit.xml',
         ];
 
         $data = [
@@ -150,6 +154,7 @@ protected function generateAddonFiles()
         foreach ($files as $stub => $file) {
             $this->createFromStub($stub, $this->addonPath($file), $data);
         }
+
         $this->checkInfo('Addon boilerplate created successfully.');
 
         return $this;
@@ -183,6 +188,30 @@ protected function generateOptional()
         return $this;
     }
 
+    /**
+     * Installs the addon's composer dependencies.
+     *
+     * @return $this
+     */
+    protected function installComposerDependencies()
+    {
+        $this->output->newLine();
+
+        $this->line("Installing your addon's Composer dependencies. This may take a moment...");
+
+        try {
+            Composer::withoutQueue()->throwOnFailure()->install($this->addonPath());
+        } catch (ProcessException $exception) {
+            $this->line($exception->getMessage());
+            $this->output->newLine();
+            throw new \Exception("An error was encountered while installing your addon's Composer dependencies!");
+        }
+
+        $this->checkInfo('Composer dependencies installed successfully.');
+
+        return $this;
+    }
+
     /**
      * Add repository path to app's composer.json file.
      *

src/Console/Commands/stubs/addon/ExampleTest.php.stub

@@ -0,0 +1,14 @@
+<?php
+
+namespace {{ namespace }}\Tests;
+
+class ExampleTest extends TestCase
+{
+    /**
+     * A basic test example.
+     */
+    public function test_that_true_is_true(): void
+    {
+        $this->assertTrue(true);
+    }
+}

src/Console/Commands/stubs/addon/TestCase.php.stub

@@ -0,0 +1,11 @@
+<?php
+
+namespace {{ namespace }}\Tests;
+
+use {{ namespace }}\ServiceProvider;
+use Statamic\Extend\AddonTestCase;
+
+abstract class TestCase extends AddonTestCase
+{
+    protected string $addonServiceProvider = ServiceProvider::class;
+}

src/Console/Commands/stubs/addon/composer.json.stub

@@ -5,6 +5,23 @@
             "DummyNamespace\\": "src"
         }
     },
+    "autoload-dev": {
+        "psr-4": {
+            "DummyNamespace\\Tests\\": "tests"
+        }
+    },
+    "require": {
+        "statamic/cms": "^5.0"
+    },
+    "require-dev": {
+        "nunomaduro/collision": "^6.1",
+        "orchestra/testbench": "^7.0"
+    },
+    "config": {
+        "allow-plugins": {
+            "pixelfear/composer-dist-plugin": true
+        }
+    },
     "extra": {
         "statamic": {
             "name": "DummyTitle",

src/Console/Commands/stubs/addon/phpunit.xml.stub

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" backupGlobals="false" bootstrap="vendor/autoload.php" colors="true" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd" convertErrorsToExceptions="true" convertNoticesToExceptions="true" convertWarningsToExceptions="true" processIsolation="false" stopOnFailure="false" beStrictAboutTestsThatDoNotTestAnything="false">
+  <coverage/>
+  <testsuites>
+    <testsuite name="Test Suite">
+      <directory suffix="Test.php">./tests</directory>
+    </testsuite>
+  </testsuites>
+  <php>
+    <env name="APP_ENV" value="testing"/>
+    <env name="APP_KEY" value="base64:ybcI9MKuhLnESRSuWDfnJQuohOXMBaynfbTC5Y5i1FE="/>
+    <env name="BCRYPT_ROUNDS" value="4"/>
+    <env name="CACHE_DRIVER" value="array"/>
+    <!-- <env name="DB_CONNECTION" value="sqlite"/> -->
+    <!-- <env name="DB_DATABASE" value=":memory:"/> -->
+    <env name="MAIL_MAILER" value="array"/>
+    <env name="QUEUE_CONNECTION" value="sync"/>
+    <env name="SESSION_DRIVER" value="array"/>
+    <env name="TELESCOPE_ENABLED" value="false"/>
+  </php>
+</phpunit>

src/Console/Processes/Composer.php

@@ -204,6 +204,16 @@ public function update(string $package)
         $this->queueComposerCommand('update', $package, '--with-dependencies');
     }
 
+    /**
+     * Install Composer dependencies.
+     *
+     * @return void
+     */
+    public function install(string $workingDirectory)
+    {
+        $this->runComposerCommand('install', '--working-dir='.$workingDirectory);
+    }
+
     /**
      * Get cached output for package process.
      *

tests/Console/Commands/MakeAddonTest.php

@@ -37,12 +37,19 @@ public function it_can_generate_an_addon()
 
         $this->assertFileExists(base_path('addons/hasselhoff/knight-rider/README.md'));
         $this->assertFileExists(base_path('addons/hasselhoff/knight-rider/.gitignore'));
+        $this->assertFileExists(base_path('addons/hasselhoff/knight-rider/phpunit.xml'));
 
         $this->assertFileExists($composerJson = base_path('addons/hasselhoff/knight-rider/composer.json'));
         $this->assertStringContainsString('"Hasselhoff\\\KnightRider\\\": "src"', $this->files->get($composerJson));
 
         $this->assertFileExists($provider = base_path('addons/hasselhoff/knight-rider/src/ServiceProvider.php'));
         $this->assertStringContainsString('namespace Hasselhoff\KnightRider;', $this->files->get($provider));
+
+        $this->assertFileExists($testCase = base_path('addons/hasselhoff/knight-rider/tests/TestCase.php'));
+        $this->assertStringContainsString('namespace Hasselhoff\KnightRider\Tests;', $this->files->get($testCase));
+
+        $this->assertFileExists($exampleTest = base_path('addons/hasselhoff/knight-rider/tests/ExampleTest.php'));
+        $this->assertStringContainsString('namespace Hasselhoff\KnightRider\Tests;', $this->files->get($exampleTest));
     }
 
     /** @test */