Add tests

build/tests-util/wp-patch-tests.sh

@@ -0,0 +1,84 @@
+#!/usr/bin/env bash
+
+# Register exit handler
+trap scriptExitHandler EXIT
+
+function scriptExitHandler() {
+    LAST_EXIT_CODE=$?
+
+    if [ -n "${WP_DL_TEMP_DIR}" ] && [ -d "${WP_DL_TEMP_DIR}" ]; then
+        rm -rf "${WP_DL_TEMP_DIR:?}"
+    fi
+
+    if [ -n "${PHP_TESTS_TEMP_DIR}" ] && [ -d "${PHP_TESTS_TEMP_DIR}" ]; then
+        rm -rf "${PHP_TESTS_TEMP_DIR:?}"
+    fi
+
+    if [ "${LAST_EXIT_CODE}" = "0" ]; then
+        echo "> Script finished successfully"
+        exit "${LAST_EXIT_CODE}"
+    fi
+
+    echo "> Script finished with an error"
+    exit "${LAST_EXIT_CODE}"
+}
+
+set -e
+
+PHP_TESTS_TEMP_DIR="$(mktemp -d -t XXXXXXXXXXX)"
+
+function getFileCount() {
+    ALL_DIRECTORIES=("${1:?Target dir is required}"/*)
+    echo ${#ALL_DIRECTORIES[@]} # Sometimes, you just need a count
+}
+
+function taskPrepareWpPatch() {
+    WP_DL_TEMP_DIR="$(mktemp -d -t XXXXXXXXXXX)"
+    PATCH_DIR=${1:?}
+
+    WP_WORK_LONG_VERSION="$(basename "${PATCH_DIR}")"
+    WP_WORK_SHORT_VERSION="$(echo "${WP_WORK_LONG_VERSION:?}" | sed --expression='s/.0$//g')"
+    wp --allow-root core download --locale="en_GB" --version="${WP_WORK_SHORT_VERSION}" --path="${WP_DL_TEMP_DIR}"
+
+    echo "> Applying patch"
+    patch "${WP_DL_TEMP_DIR}/wp-admin/update-core.php" <"${PATCH_DIR}/wp-admin-update-core.patch"
+    mv -v "${WP_DL_TEMP_DIR}/wp-admin/update-core.php" "${PHP_TESTS_TEMP_DIR}/update-core-${WP_WORK_LONG_VERSION}.php"
+
+    rm "${WP_DL_TEMP_DIR?}" -rf
+}
+
+# For each patch, download appropriate WP version, apply patch and check if file syntax is correct afterwards
+for PATCH_DIR in patches/*/; do
+    echo "> Deploying task ${PATCH_DIR}"
+
+    # Introduce ~50ms overhead before deploying another task
+    # Even shorter overhead helps. but better to be on safe side.
+    # This should prevent concurrency issues
+    sleep 0.05
+
+    # Run task concurrently
+    taskPrepareWpPatch "${PATCH_DIR}" &
+done
+
+echo "Waiting for all tasks to finish..."
+wait
+
+# Make sure that directory is not empty
+if [ ! "$(ls -A "${PHP_TESTS_TEMP_DIR}")" ]; then
+    echo "Error: Target directory is empty"
+    exit 1
+fi
+
+NUMBER_OF_PATCHES="$(getFileCount patches)"
+NUMBER_OF_TEST_FILES="$(getFileCount "${PHP_TESTS_TEMP_DIR}")"
+
+if [ "${NUMBER_OF_PATCHES}" !=  "${NUMBER_OF_TEST_FILES}" ]; then
+    echo "> Error - Unexpected number of files"
+    echo "  Expected: ${NUMBER_OF_PATCHES}"
+    echo "    Actual: ${NUMBER_OF_TEST_FILES}"
+    exit 1
+fi
+
+# Run php-lint on resulting patch files
+php-parallel-lint "${PHP_TESTS_TEMP_DIR}" -s --blame --exclude vendor -p php
+exit $?