fix: Downgrade Docker image for WordPress, fix PHP5.2 testing (#8427)

.travis.yml

@@ -29,36 +29,38 @@ branches:
 jobs:
   include:
     - stage: test
+      env: WP_VERSION=4.9.7
       script:
         - npm install || exit 1
         - npm run ci || exit 1
 
     - stage: test
-      env: WP_VERSION=latest DOCKER=true
+      env: WP_VERSION=4.9.7 DOCKER=true
       script:
         - ./bin/run-wp-unit-tests.sh
 
     - stage: test
       php: 5.6
-      env: WP_VERSION=latest
+      env: WP_VERSION=4.9.7
       script:
         - ./bin/run-wp-unit-tests.sh
       if: branch = master and type != "pull_request"
 
     - stage: test
       php: 7.1
-      env: WP_VERSION=latest SWITCH_TO_PHP=5.3
+      env: WP_VERSION=4.9.7 SWITCH_TO_PHP=5.3
       script:
         - ./bin/run-wp-unit-tests.sh
       if: branch = master and type != "pull_request"
 
     - stage: test
       php: 7.1
-      env: WP_VERSION=latest SWITCH_TO_PHP=5.2
+      env: WP_VERSION=4.9.7 SWITCH_TO_PHP=5.2
       script:
         - ./bin/run-wp-unit-tests.sh
 
     - stage: test
+      env: WP_VERSION=4.9.7
       script:
         - npm install || exit 1
         - npm run build || exit 1

bin/install-docker.sh

@@ -3,6 +3,8 @@
 # Exit if any command fails.
 set -e
 
+WP_VERSION=${WP_VERSION-latest}
+
 # Include useful functions.
 . "$(dirname "$0")/includes.sh"
 
@@ -37,7 +39,7 @@ docker-compose up -d >/dev/null
 
 # Install the PHPUnit test scaffolding.
 echo -e $(status_message "Installing PHPUnit test scaffolding...")
-docker-compose run --rm wordpress_phpunit /app/bin/install-wp-tests.sh wordpress_test root example mysql latest false >/dev/null
+docker-compose run --rm wordpress_phpunit /app/bin/install-wp-tests.sh wordpress_test root example mysql $WP_VERSION false > /dev/null
 
 # Install Composer. This is only used to run WordPress Coding Standards checks.
 echo -e $(status_message "Installing and updating Composer modules...")

bin/install-php-phpunit.sh

@@ -47,17 +47,20 @@ if [[ ${SWITCH_TO_PHP:0:3} == "5.2" ]] || [[ ${SWITCH_TO_PHP:0:3} == "5.3" ]]; t
     $HOME/php-utils-bin/phpbrew init
     $HOME/php-utils-bin/phpbrew known --old
 
+    # fetch the build tarballs manually
+    mkdir -p $HOME/.phpbrew/distfiles
+    curl -L -o $HOME/.phpbrew/distfiles/php-5.2.17.tar.bz2 https://museum.php.net/php5/php-5.2.17.tar.bz2
+    curl -L -o $HOME/.phpbrew/distfiles/php-5.3.29.tar.bz2 https://museum.php.net/php5/php-5.3.29.tar.bz2
+
     # build PHP5.2
     echo 'Installing PHP 5.2...'
-    $HOME/php-utils-bin/phpbrew install --patch ${THIS_DIR}/patches/node.patch --patch ${THIS_DIR}/patches/openssl.patch 5.2 +default +mysql +pdo \
-    +gettext +phar +openssl -- --with-openssl-dir=/usr/include/openssl --enable-spl --with-mysql --with-mysqli=/usr/bin/mysql_config --with-pdo-mysql=/usr \
-    > /dev/null
+    $HOME/php-utils-bin/phpbrew install --patch ${THIS_DIR}/patches/node.patch --patch ${THIS_DIR}/patches/openssl.patch 5.2.17 +default +mysql +pdo \
+    +gettext +phar +openssl -- --with-openssl-dir=/usr/include/openssl --enable-spl --with-mysql --with-mysqli=/usr/bin/mysql_config --with-pdo-mysql=/usr
 
     # build PHP5.3
     echo 'Installing PHP 5.3...'
-    $HOME/php-utils-bin/phpbrew install --patch ${THIS_DIR}/patches/node.patch --patch ${THIS_DIR}/patches/openssl.patch 5.3 +default +mysql +pdo \
-    +gettext +phar +openssl -- --with-openssl-dir=/usr/include/openssl --enable-spl --with-mysql --with-mysqli=/usr/bin/mysql_config --with-pdo-mysql=/usr \
-    > /dev/null
+    $HOME/php-utils-bin/phpbrew install --patch ${THIS_DIR}/patches/node.patch --patch ${THIS_DIR}/patches/openssl.patch 5.3.29 +default +mysql +pdo \
+    +gettext +phar +openssl -- --with-openssl-dir=/usr/include/openssl --enable-spl --with-mysql --with-mysqli=/usr/bin/mysql_config --with-pdo-mysql=/usr
 
     # install PHPUnit 3.6. The only install method available is from source, using git branches old
     # enough that they don't rely on any PHP5.3+ features. This clones each needed dependency
@@ -91,8 +94,6 @@ if [[ ${SWITCH_TO_PHP:0:3} == "5.2" ]] || [[ ${SWITCH_TO_PHP:0:3} == "5.3" ]]; t
     export PHPBREW_RC_ENABLE=1
     source $HOME/.phpbrew/bashrc
     phpbrew use 5.2.17
-    pear channel-discover pear.symfony-project.com
-    pear install pear.symfony-project.com/YAML-1.0.2
 
     # manually go back to the system php, we can't use `phpbrew switch-off`
     # because we're running a version of php that phpbrew doesn't work with at this point

bin/install-wordpress.sh

@@ -47,9 +47,12 @@ fi
 
 # Install WordPress.
 echo -e $(status_message "Installing WordPress...")
-docker-compose run --rm $CLI core install --title="$SITE_TITLE" --admin_user=admin --admin_password=password --admin_email=test@test.com --skip-email --url=http://localhost:$HOST_PORT >/dev/null
+# The `-u 33` flag tells Docker to run the command as a particular user and
+# prevents permissions errors. See: https://github.com/WordPress/gutenberg/pull/8427#issuecomment-410232369
+docker-compose run --rm -u 33 $CLI core install --title="$SITE_TITLE" --admin_user=admin --admin_password=password --admin_email=test@test.com --skip-email --url=http://localhost:$HOST_PORT >/dev/null
 # Check for WordPress updates, just in case the WordPress image isn't up to date.
-docker-compose run --rm $CLI core update >/dev/null
+# (Disabled until https://github.com/WordPress/gutenberg/issues/8445 is fixed.)
+# docker-compose run --rm -u 33 $CLI core update >/dev/null
 
 # If the 'wordpress' volume wasn't during the down/up earlier, but the post port has changed, we need to update it.
 CURRENT_URL=$(docker-compose run -T --rm $CLI option get siteurl)

docker-compose.yml

@@ -3,7 +3,7 @@ version: '3.1'
 services:
 
   wordpress:
-    image: wordpress
+    image: wordpress:4.9.7 # Pinned to version 4.9.7 until https://github.com/WordPress/gutenberg/issues/8445 is fixed.
     ports:
       - 8888:80
     environment:
@@ -41,7 +41,7 @@ services:
       - .:/app
 
   wordpress_e2e_tests:
-    image: wordpress
+    image: wordpress:4.9.7 # Pinned to version 4.9.7 until https://github.com/WordPress/gutenberg/issues/8445 is fixed.
     ports:
       - 8889:80
     environment: