Merge branch '1.x' into 2.x

* 1.x:
  added Drupal in the CI process

.travis.yml

@@ -7,19 +7,21 @@ cache:
         - vendor
         - $HOME/.composer/cache/files
 
-matrix:
-    include:
-        - php: 7.0
-        - php: 7.1
-        - php: 7.2
-        - php: 7.3
-    fast_finish: true
-
 before_install:
-    # turn off XDebug
     - phpenv config-rm xdebug.ini || return 0
 
 install:
     - travis_retry composer install
 
 script: ./vendor/bin/simple-phpunit
+
+jobs:
+    fast_finish: true
+    include:
+        - php: 7.0
+        - php: 7.1
+        - php: 7.2
+        - php: 7.3
+        - stage: integration tests
+          php: 7.3
+          script: ./drupal_test.sh

drupal_test.sh

@@ -0,0 +1,51 @@
+#!/bin/bash
+
+set -x
+set -e
+
+REPO=`pwd`
+cd /tmp
+rm -rf drupal-twig-test
+composer create-project --no-interaction drupal-composer/drupal-project:8.x-dev drupal-twig-test
+cd drupal-twig-test
+(cd vendor/twig && rm -rf twig && ln -sf $REPO twig)
+echo '$config["system.logging"]["error_level"] = "verbose";' >> web/sites/default/settings.php
+php ./web/core/scripts/drupal install --no-interaction demo_umami 2>/dev/null > output
+perl -p -i -e 's/^([A-Za-z]+)\: (.+)$/export DRUPAL_\1=\2/' output
+source output
+
+wget https://get.symfony.com/cli/installer -O - | bash
+export PATH="$HOME/.symfony/bin:$PATH"
+symfony server:start -d --no-tls
+ENDPOINT=`symfony server:status -no-ansi | sed -E 's/^.+ http/http/'`
+
+curl -OLsS https://get.blackfire.io/blackfire-player.phar
+chmod +x blackfire-player.phar
+cat > drupal-tests.bkf <<EOF
+name "Drupal tests"
+
+scenario
+    name "homepage"
+    set name "admin"
+    set pass "pass"
+
+    visit url('/')
+        expect status_code() == 200
+    click link('Articles')
+        expect status_code() == 200
+    click link('Dairy-free and delicious milk chocolate')
+        expect body() matches "/Dairy\-free milk chocolate is made in largely the same way as regular chocolate/"
+        expect status_code() == 200
+    click link('Log in')
+        expect status_code() == 200
+    submit button("Log in")
+        param name name
+        param pass pass
+        expect status_code() == 303
+    follow
+        expect status_code() == 200
+    click link('Structure')
+        expect status_code() == 200
+EOF
+./blackfire-player.phar run drupal-tests.bkf --endpoint=$ENDPOINT --variable name=$DRUPAL_Username --variable pass=$DRUPAL_Password
+symfony server:stop