Add test and fixture for symlink package

.gitignore

@@ -4,4 +4,6 @@
 /tests/fixtures/custom-vendor/foo
 /tests/fixtures/default/web
 /tests/fixtures/default/vendor
-/tests/fixtures/*/composer.lock
+/tests/fixtures/**/composer.lock
+/tests/fixtures/symlink-package/drupal/*
+/tests/fixtures/symlink-package/package/vendor

composer.json

@@ -36,13 +36,18 @@
     "scripts": {
         "install-fixtures": [
             "cd tests/fixtures/custom-vendor && composer install",
-            "cd tests/fixtures/default && composer install"
+            "cd tests/fixtures/default && composer install",
+            "cd tests/fixtures/symlink-package/drupal && composer install",
+            "cd tests/fixtures/symlink-package/package && composer install"
         ],
         "uninstall-fixtures": [
-            "rm -rf tests/fixtures/*/composer.lock",
+            "rm -rf tests/fixtures/**/composer.lock",
             "rm -rf tests/fixtures/custom-vendor/foo",
             "rm -rf tests/fixtures/default/web",
-            "rm -rf tests/fixtures/default/vendor"
+            "rm -rf tests/fixtures/default/vendor",
+            "rm -rf tests/fixtures/symlink-package/drupal/web",
+            "rm -rf tests/fixtures/symlink-package/drupal/vendor",
+            "rm -rf tests/fixtures/symlink-package/package/vendor"
         ],
         "reinstall-fixtures": [
             "@uninstall-fixtures",

tests/DrupalFinderComposerRuntimeTest.php

@@ -60,4 +60,30 @@ public function testCustomVendor() {
     $this->assertSame($result['getDrupalRoot'], $basePath . '/foo/bar/drupal');
   }
 
+  /**
+   * @runInSeparateProcess
+   */
+  public function testSymlinkPackage() {
+    $drupalPath = realpath(__DIR__ . '/fixtures/symlink-package/drupal');
+    $this->assertDirectoryExists("$drupalPath/vendor", static::installFixtures);
+    $this->assertDirectoryExists("$drupalPath/web", static::installFixtures);
+
+    $packagePath = realpath(__DIR__ . '/fixtures/symlink-package/package');
+    $this->assertDirectoryExists("$packagePath/vendor", static::installFixtures);
+
+    $process = new Process(['composer', 'exec', 'symlink-package'], $drupalPath);
+    $process->run();
+
+    // executes after the command finishes
+    if (!$process->isSuccessful()) {
+      throw new ProcessFailedException($process);
+    }
+
+    $result = json_decode($process->getOutput(), TRUE);
+    var_dump($result);
+//    $this->assertSame($result['getComposerRoot'], $drupalPath);
+//    $this->assertSame($result['getVendorDir'], $drupalPath . '/vendor');
+//    $this->assertSame($result['getDrupalRoot'], $drupalPath . '/web');
+  }
+
 }

tests/fixtures/symlink-package/drupal/composer.json

@@ -0,0 +1,44 @@
+{
+    "description": "A Drupal project that refers to the local package 'webflo/foo'.",
+    "type": "project",
+    "license": "GPL-2.0-or-later",
+    "repositories": {
+        "drupal": {
+            "type": "composer",
+            "url": "https://packages.drupal.org/8"
+        },
+        "drupal-finder": {
+            "type": "path",
+            "url": "../../../"
+        },
+        "symlink-package": {
+            "type": "path",
+            "url": "../package",
+            "options": {
+                "symlink": true
+            }
+        }
+    },
+    "require": {
+        "composer/installers": "^2.0",
+        "drupal/core": "^10",
+        "webflo/foo": "*"
+    },
+    "conflict": {
+        "drupal/drupal": "*"
+    },
+    "minimum-stability": "dev",
+    "prefer-stable": true,
+    "config": {
+        "allow-plugins": {
+            "composer/installers": true
+        }
+    },
+    "extra": {
+        "installer-paths": {
+            "web/core": [
+                "type:drupal-core"
+            ]
+        }
+    }
+}

tests/fixtures/symlink-package/package/composer.json

@@ -0,0 +1,17 @@
+{
+    "name": "webflo/foo",
+    "description": "The package that depends on Drupal Finder.",
+    "repositories": {
+        "drupal-finder": {
+            "type": "path",
+            "url": "../../../"
+        }
+    },
+    "require": {
+        "webflo/drupal-finder": "*"
+    },
+    "bin": [
+      "symlink-package"
+    ],
+    "minimum-stability": "dev"
+}

tests/fixtures/symlink-package/package/symlink-package

@@ -0,0 +1,14 @@
+#!/usr/bin/env php
+<?php
+
+require __DIR__ . '/vendor/autoload.php';
+
+use DrupalFinder\DrupalFinderComposerRuntime;
+
+$finder = new DrupalFinderComposerRuntime();
+
+echo json_encode([
+    'getComposerRoot' => $finder->getComposerRoot(),
+    'getVendorDir' => $finder->getVendorDir(),
+    'getDrupalRoot' => $finder->getDrupalRoot(),
+]);