Update depdendencies, add additional PHPUnit configuration file, improve CI pipeline

.github/workflows/.pipeline.yml

@@ -15,13 +15,17 @@ jobs:
       matrix:
         php: [ 7.3 ]
         os: [ ubuntu-18.04 ]
-        wordpress: [ 5.8.1, latest ]
-        experimental: [false]
+        wordpress: [ 5.8.2 ]
+        experimental: [ false ]
         include:
           - php: 7.4
             os: ubuntu-20.04
             wordpress: latest
             experimental: true
+          - php: 7.4
+            os: ubuntu-20.04
+            wordpress: 'trunk'
+            experimental: true
     name: Test - PHP ${{ matrix.php }} - WP ${{ matrix.wordpress }}
 
     env:
@@ -77,26 +81,34 @@ jobs:
         run: npm run lint
         if: matrix.experimental == false
 
+      - name: Run Frontend Tests
+        run: npm run test
+        if: matrix.experimental == false
+
       - name: Run PHP CodeSniffer
         run: composer standards
 
       - name: Install WP tests
         run: bash bin/install-wp-tests.sh wordpress_test root root localhost ${{ matrix.wordpress }}
 
-      - name: Run Coverage
+      - name: Run PHP Test and PCOV
         run: composer require pcov/clobber; vendor/bin/pcov clobber; vendor/bin/phpunit --configuration phpunit.xml --coverage-clover coverage.xml
         if: matrix.experimental == false
 
-      - name: Run Frontend Tests
-        run: npm run test
+      - name: Upload Coverage to Codecov
+        run: bash <(curl -s https://codecov.io/bash)
         if: matrix.experimental == false
 
       - name: Run PHP Tests
-        run: vendor/bin/phpunit
+        run: composer test
+        if: matrix.experimental == true && matrix.wordpress != 'trunk'
 
-      - name: Upload Coverage to Codecov
-        run: bash <(curl -s https://codecov.io/bash)
-        if: matrix.experimental == false
+      - name: Run PHP Tests
+        run: |
+          composer remove --dev phpunit/phpunit
+          composer update --dev yoast/phpunit-polyfills --with-dependencies --ignore-platform-reqs
+          vendor/bin/phpunit --configuration phpunit9.xml
+        if: matrix.experimental == true && matrix.wordpress == 'trunk'
 
       - name: Prepare Build
         if: startsWith(github.ref, 'refs/tags/')

composer.json

@@ -26,6 +26,7 @@
 	"require": {
 		"php": ">=7.3",
 		"composer/installers": "^1.7",
+		"phpunit/phpunit": "^7.5",
 		"pressbooks/mix": "^2.1",
 		"soberwp/intervention": "1.2.0-p",
 		"spatie/color": "^1.1"
@@ -33,7 +34,7 @@
 	"require-dev": {
 		"pressbooks/coding-standards": "^1.1",
 		"wpreadme2markdown/wp2md": "^3.0",
-		"yoast/phpunit-polyfills": "^1.0"
+		"yoast/phpunit-polyfills": "^1.0.1"
 	},
 	"scripts": {
 		"test": [

phpunit9.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0"?>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" bootstrap="tests/bootstrap.php" backupGlobals="false" colors="true" convertErrorsToExceptions="true" convertNoticesToExceptions="true" convertWarningsToExceptions="true" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd">
+  <coverage>
+    <include>
+      <directory suffix=".php">./inc</directory>
+    </include>
+  </coverage>
+  <php>
+    <const name="WP_TESTS_MULTISITE" value="1"/>
+  </php>
+  <testsuites>
+    <testsuite name="Pressbooks Aldine">
+      <directory prefix="test-" suffix=".php">./tests/</directory>
+    </testsuite>
+  </testsuites>
+</phpunit>