Enhancement: Install phpunit/phpunit for Phar tests with composer

.github/workflows/integrate.yaml

@@ -220,8 +220,14 @@ jobs:
       - name: "Show info about phpunit-slow-test-detector.phar with humbug/box"
         run: ".phive/box info ${{ env.PHPUNIT_SLOW_TEST_DETECTOR_PHAR }} --ansi --list"
 
+      - name: "Install ${{ matrix.dependencies }} dependencies with composer"
+        uses: "ergebnis/.github/actions/composer/install@1.9.0"
+        with:
+          dependencies: "${{ matrix.dependencies }}"
+          working-directory: "test/Phar/Version10/"
+
       - name: "Run phar tests with phpunit/phpunit"
-        run: ".phive/phpunit --colors=always --configuration=test/Phar/Version10/phpunit.xml"
+        run: "test/Phar/Version10/vendor/bin/phpunit --colors=always --configuration=test/Phar/Version10/phpunit.xml"
 
   dependency-analysis:
     name: "Dependency Analysis"

.gitignore

@@ -1,5 +1,6 @@
 /.build/
 /.note/
 /.phive/
+/test/Phar/Version10/vendor/
 /vendor/
 !/.phive/phars.xml

.phive/phars.xml

@@ -2,5 +2,4 @@
 <phive xmlns="https://phar.io/phive">
     <phar name="humbug/box" version="^4.4.0" installed="4.4.0" location="./.phive/box" copy="false"/>
     <phar name="composer-require-checker" version="~3.8.0" installed="3.8.0" location="./.phive/composer-require-checker" copy="false"/>
-    <phar name="phpunit" version="^10.4.1" installed="10.4.1" location="./.phive/phpunit" copy="false"/>
 </phive>

Makefile

@@ -27,7 +27,8 @@ phar: phive ## Builds a phar with humbug/box
 	.phive/box compile --config=box.json
 	git checkout HEAD -- composer.json composer.lock
 	.phive/box info .build/phar/phpunit-slow-test-detector.phar --list
-	.phive/phpunit --configuration=test/Phar/Version10/phpunit.xml
+	composer install --no-interaction --no-progress --working-dir=test/Phar/Version10/
+	test/Phar/Version10/vendor/bin/phpunit --configuration=test/Phar/Version10/phpunit.xml
 
 .PHONY: phive
 phive: .phive ## Installs dependencies with phive

test/Phar/Version10/composer.json

@@ -0,0 +1,15 @@
+{
+  "require": {
+    "php": "~8.1.0"
+  },
+  "require-dev": {
+    "phpunit/phpunit": "^10.0.0"
+  },
+  "config": {
+    "platform": {
+      "php": "8.1.27"
+    },
+    "preferred-install": "dist",
+    "sort-packages": true
+  }
+}