Add standalone PHPUnit configs in plugins/

.editorconfig

@@ -33,6 +33,7 @@ indent_size = 2
 insert_final_newline = false
 indent_style = space
 indent_size = 2
+quote_type = single
 
 [.github/CODEOWNERS]
 indent_style = space

.github/CODEOWNERS

@@ -46,16 +46,13 @@
 
 # Plugin: Auto-sizes for Lazy-Loaded Images
 /plugins/auto-sizes                         @joemcgill
-/tests/plugins/auto-sizes                   @joemcgill
 
 # Plugin: Speculation Rules
 /plugins/speculation-rules                  @felixarntz
 /tests/plugins/speculation-rules            @felixarntz
 
 # Plugin: WebP Uploads
 /plugins/webp-uploads                       @adamsilverstein @felixarntz
-/tests/plugins/webp-uploads                 @adamsilverstein @felixarntz
 
 # Plugin: Dominant Color Images
-/plugins/dominant-color-images              @pbearne @spacedmonkey
-/tests/plugins/dominant-color-images        @pbearne @spacedmonkey
+/plugins/dominant-color-images                                              @pbearne @spacedmonkey

.github/actions/setup-wp-tests/action.yml

@@ -0,0 +1,75 @@
+---
+name: Setup WP Tests
+
+description: 'Setup WordPress tests for GitHub Actions'
+
+inputs:
+  wp:
+    description: 'WordPress version'
+    required: false
+    default: 'latest'
+  php:
+    description: 'PHP version'
+    required: false
+    default: '7.4'
+  mysql-port:
+    description: 'MySQL port'
+    required: false
+    default: '3306'
+  coverage:
+    description: 'Code coverage driver'
+    required: false
+    default: 'none'
+  phpunit:
+    description: 'PHPUnit version'
+    required: false
+    default: '9.3'
+  plugin-path:
+    description: 'Path to the plugin'
+    required: false
+    default: ${{ github.workspace }}
+
+runs:
+  using: 'composite'
+  steps:
+    - name: Setup PHP
+      uses: shivammathur/setup-php@v2
+      with:
+        php-version: ${{ inputs.php }}
+        tools: 'composer,phpunit:${{ inputs.phpunit }}'
+        coverage: ${{ inputs.coverage }}
+
+    - name: Setup composer cache
+      uses: actions/cache@v4
+      id: php-composer-cache
+      env:
+        SEGMENT_DOWNLOAD_TIMEOUT_MINS: '5'
+      with:
+        path: vendor
+        key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}-${{ hashFiles('.github/actions/setup-wp-tests/action.yml') }}
+
+    - name: Install composer dependencies
+      if: ${{ steps.php-composer-cache.outputs.cache-hit != 'true' }}
+      shell: bash
+      run: composer install --ansi --no-interaction --prefer-dist --ignore-platform-reqs
+
+    - name: Remove default PHPUnit
+      shell: bash
+      run: |
+        rm -rf vendor/phpunit
+        composer dump-autoload
+
+    # Scan the logs for failing tests and surface that information by creating annotations and log file decorations.
+    - name: Setup problem matcher to provide annotations for PHPUnit
+      shell: bash
+      # The JSON file is provided by the `shivammathur/setup-php` action. See https://github.com/shivammathur/setup-php#problem-matchers.
+      run: echo "::add-matcher::${{ runner.tool_cache }}/phpunit.json"
+
+    - name: Install WP Tests
+      shell: bash
+      run: |
+        bash ./.github/actions/setup-wp-tests/install-wp-tests.sh wordpress_test root '' 127.0.0.1:${{ inputs.mysql-port }} ${{ inputs.wp }} true
+
+    - name: Copy plugin to WP plugins directory
+      shell: bash
+      run: cp -r ${{ inputs.plugin-path }} ${{ env.WP_CORE_DIR }}/src/wp-content/plugins/performance

.github/actions/setup-wp-tests/install-wp-tests.sh

@@ -0,0 +1,142 @@
+#!/usr/bin/env bash
+
+set -e
+
+if [ $# -lt 3 ]; then
+	echo "usage: $0 <db-name> <db-user> <db-pass> [db-host] [wp-version] [skip-database-creation]"
+	exit 1
+fi
+
+DB_NAME=$1
+DB_USER=$2
+DB_PASS=$3
+DB_HOST=${4-localhost}
+WP_VERSION=${5-latest}
+SKIP_DB_CREATE=${6-true}
+
+TMPDIR=${TMPDIR-/tmp}
+TMPDIR=$(echo "$TMPDIR" | sed -e "s/\/$//")
+WP_TESTS_DIR=${WP_TESTS_DIR-$TMPDIR/wordpress-tests-lib}
+WP_CORE_DIR=${WP_CORE_DIR-$TMPDIR/wordpress}
+
+download() {
+    if [ $(which curl) ]; then
+        curl -s "$1" > "$2";
+    elif [ $(which wget) ]; then
+        wget -nv -O "$2" "$1"
+    fi
+}
+
+if [[ $WP_VERSION =~ ^[0-9]+\.[0-9]+\-(beta|RC)[0-9]+$ ]]; then
+	WP_BRANCH=${WP_VERSION%\-*}
+	WP_TESTS_TAG="branches/$WP_BRANCH"
+
+elif [[ $WP_VERSION =~ ^[0-9]+\.[0-9]+$ ]]; then
+	WP_TESTS_TAG="branches/$WP_VERSION"
+elif [[ $WP_VERSION =~ [0-9]+\.[0-9]+\.[0-9]+ ]]; then
+	if [[ $WP_VERSION =~ [0-9]+\.[0-9]+\.[0] ]]; then
+		# version x.x.0 means the first release of the major version, so strip off the .0 and download version x.x
+		WP_TESTS_TAG="tags/${WP_VERSION%??}"
+	else
+		WP_TESTS_TAG="tags/$WP_VERSION"
+	fi
+elif [[ $WP_VERSION == 'nightly' || $WP_VERSION == 'trunk' ]]; then
+	WP_TESTS_TAG="trunk"
+else
+	# http serves a single offer, whereas https serves multiple. we only want one
+	download http://api.wordpress.org/core/version-check/1.7/ /tmp/wp-latest.json
+	grep -E '[0-9]+\.[0-9]+(\.[0-9]+)?' /tmp/wp-latest.json
+	LATEST_VERSION=$(grep -o '"version":"[^"]*' /tmp/wp-latest.json | sed 's/"version":"//')
+	if [[ -z "$LATEST_VERSION" ]]; then
+		echo "Latest WordPress version could not be found"
+		exit 1
+	fi
+	WP_TESTS_TAG="tags/$LATEST_VERSION"
+fi
+
+install_wp() {
+
+	if [ -d "$WP_CORE_DIR" ]; then
+		return;
+	fi
+
+	if grep -isqE 'trunk|alpha|beta|rc' <<< "$WP_VERSION"; then
+		local SVN_URL=https://develop.svn.wordpress.org/trunk/
+	elif [ "$WP_VERSION" == 'latest' ]; then
+		local TAG=$( svn ls https://develop.svn.wordpress.org/tags | tail -n 1 | sed 's:/$::' )
+		local SVN_URL="https://develop.svn.wordpress.org/tags/$TAG/"
+	elif [[ "$WP_VERSION" =~ ^[0-9]+\.[0-9]+$ ]]; then
+		# Use the release branch if no patch version supplied. This is useful to keep testing the latest minor version.
+		local SVN_URL="https://develop.svn.wordpress.org/branches/$WP_VERSION/"
+	else
+		local SVN_URL="https://develop.svn.wordpress.org/tags/$WP_VERSION/"
+	fi
+
+	echo "Installing WP from $SVN_URL to $WP_CORE_DIR"
+
+	svn export -q "$SVN_URL" "$WP_CORE_DIR"
+
+	# Download `wp-includes` folder from the WordPress Core SVN repo to include built internal dependencies.
+	local SVN_CORE_URL=${SVN_URL/develop/core}
+	svn export -q --force "${SVN_CORE_URL}wp-includes" "$WP_CORE_DIR/src/wp-includes"
+}
+
+install_test_suite() {
+	# portable in-place argument for both GNU sed and Mac OSX sed
+	if [[ $(uname -s) == 'Darwin' ]]; then
+		local ioption='-i.bak'
+	else
+		local ioption='-i'
+	fi
+
+	# set up testing suite if it doesn't yet exist
+	if [ ! -d "$WP_TESTS_DIR" ]; then
+		# set up testing suite
+		mkdir -p "$WP_TESTS_DIR"
+		svn co --quiet --ignore-externals https://develop.svn.wordpress.org/"${WP_TESTS_TAG}"/tests/phpunit/includes/ "$WP_TESTS_DIR/includes"
+		svn co --quiet --ignore-externals https://develop.svn.wordpress.org/"${WP_TESTS_TAG}"/tests/phpunit/data/ "$WP_TESTS_DIR/data"
+	fi
+
+	if [ ! -f wp-tests-config.php ]; then
+		download https://develop.svn.wordpress.org/${WP_TESTS_TAG}/wp-tests-config-sample.php "$WP_TESTS_DIR"/wp-tests-config.php
+		# remove all forward slashes in the end
+		WP_CORE_DIR="$(echo $WP_CORE_DIR | sed "s:/\+$::")"
+		sed $ioption "s:dirname( __FILE__ ) . '/src/':'$WP_CORE_DIR/src/':" "$WP_TESTS_DIR/wp-tests-config.php"
+		sed $ioption "s/youremptytestdbnamehere/$DB_NAME/" "$WP_TESTS_DIR/wp-tests-config.php"
+		sed $ioption "s/yourusernamehere/$DB_USER/" "$WP_TESTS_DIR/wp-tests-config.php"
+		sed $ioption "s/yourpasswordhere/$DB_PASS/" "$WP_TESTS_DIR/wp-tests-config.php"
+		sed $ioption "s|localhost|${DB_HOST}|" "$WP_TESTS_DIR/wp-tests-config.php"
+	fi
+
+}
+
+install_db() {
+
+	if [ "${SKIP_DB_CREATE}" = "true" ]; then
+		return 0
+	fi
+
+	# parse DB_HOST for port or socket references
+	local PARTS=("${DB_HOST//\:/ }")
+	local DB_HOSTNAME=${PARTS[0]};
+	local DB_SOCK_OR_PORT=${PARTS[1]};
+	local EXTRA=""
+
+	if [ -n "$DB_HOSTNAME" ] ; then
+		if [ "$(echo "$DB_SOCK_OR_PORT" | grep -e '^[0-9]\{1,\}$')" ]; then
+			EXTRA=" --host=$DB_HOSTNAME --port=$DB_SOCK_OR_PORT --protocol=tcp"
+		elif [ -n "$DB_SOCK_OR_PORT" ] ; then
+			EXTRA=" --socket=$DB_SOCK_OR_PORT"
+		elif [ -n "$DB_HOSTNAME" ] ; then
+			EXTRA=" --host=$DB_HOSTNAME --protocol=tcp"
+		fi
+	fi
+
+	# create database
+	mariadb-admin create $DB_NAME --user="$DB_USER" --password="$DB_PASS"$EXTRA || \
+		mysqladmin create "$DB_NAME" --user="$DB_USER" --password="$DB_PASS"$EXTRA
+}
+
+install_wp
+install_test_suite
+install_db