Use GH actions

.github/workflows/tests.yml

@@ -0,0 +1,48 @@
+name: Test
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+  # Allow manually triggering the workflow.
+  workflow_dispatch:
+
+jobs:
+  test:
+    name: PHP ${{ matrix.php }}
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        php: ['8.0']
+        phpunit: ['latest']
+        include:
+        - php: '7.2'
+          phpunit: '8.5.13'
+        - php: '7.3'
+          phpunit: '8.5.13'
+        - php: '7.4'
+          phpunit: '8.5.13'
+          coverage: xdebug
+          flags: '--coverage-clover clover.xml'
+#         - php: '8.1'
+#           experimental: true
+
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Use PHP ${{ matrix.php }}
+      uses: shivammathur/[email protected]
+      with:
+        php-version: ${{ matrix.php }}
+        tools: phpunit:${{ matrix.phpunit }}
+        coverage: ${{ matrix.coverage }}
+
+    - name: Install
+      run: composer install
+
+    - name: Test
+      run: phpunit --configuration phpunit.xml.dist ${{ matrix.flags }}

composer.json

@@ -9,13 +9,13 @@
         "yourls-plugin"
     ],
     "require": {
-        "composer-plugin-api": "^1.0",
-        "wikimedia/composer-merge-plugin": "^1.4",
+        "composer-plugin-api": "^2.0",
+        "wikimedia/composer-merge-plugin": "^2.0",
         "symfony/thanks": "^1.2"
     },
     "require-dev": {
         "composer/composer": "^2.0.13",
-        "phpunit/phpunit": "^7.0"
+        "phpunit/phpunit": "^8.5"
     },
     "autoload": {
         "psr-4": {

src/ComposerInstaller/Plugin.php

@@ -42,4 +42,31 @@ public function getCapabilities()
         );
     }
 
+    /**
+     * Remove any hooks from Composer
+     *
+     * @codeCoverageIgnore
+     *
+     * @param \Composer\Composer $composer
+     * @param \Composer\IO\IOInterface $io
+     * @return void
+     */
+    public function deactivate(Composer $composer, IOInterface $io)
+    {
+        // nothing to do
+    }
+
+    /**
+     * Prepare the plugin to be uninstalled
+     *
+     * @codeCoverageIgnore
+     *
+     * @param Composer $composer
+     * @param IOInterface $io
+     * @return void
+     */
+    public function uninstall(Composer $composer, IOInterface $io)
+    {
+        // nothing to do
+    }
 }

tests/ComposerInstaller/MockDownloader.php

@@ -20,7 +20,7 @@ public function getInstallationSource()
         return 'dist';
     }
 
-    public function download(PackageInterface $package, $path)
+    public function download(PackageInterface $package, $path, ?$prevPackage = NULL)
     {
         // install a fake plugin directory
         $this->filesystem->ensureDirectoryExists($path);