Improve Travis CI configuration for better performance.

Props netweb, jorbin.
Fixes #28301.


git-svn-id: https://develop.svn.wordpress.org/trunk@28799 602fd350-edb4-49c9-b593-d223f7449a82

.travis.yml

@@ -1,19 +1,47 @@
+# Travis CI Configuration File
+
+# Tell Travis CI we're using PHP
 language: php
 
-php:
-    - "5.2"
-    - "5.3"
-    - "5.4"
-    - "5.5"
+# Build matrix options
+matrix:
+  include:
+    - php: 5.5
+      env: WP_TRAVISCI=travis:js
+    - php: 5.2
+      env: WP_TRAVISCI=travis:phpunit
+    - php: 5.3
+      env: WP_TRAVISCI=travis:phpunit
+    - php: 5.4
+      env: WP_TRAVISCI=travis:phpunit
+    - php: 5.5
+      env: WP_TRAVISCI=travis:phpunit
+    - php: 5.6
+      env: WP_TRAVISCI=travis:phpunit
+    - php: hhvm
+      env: WP_TRAVISCI=travis:phpunit
+  allow_failures:
+    - php: 5.6
+    - php: hhvm
+  fast_finish: true
 
+# Before install, failures in this section will result in build status 'errored'
+before_install:
+  - WP_CORE_DIR=/tmp/wordpress/
+  - >
+    if [[ "$WP_TRAVISCI" == "travis:phpunit" ]]; then
+        mysql -e "CREATE DATABASE wordpress_tests;" -uroot
+        cp wp-tests-config-sample.php wp-tests-config.php
+        sed -i "s/youremptytestdbnamehere/wordpress_tests/" wp-tests-config.php
+        sed -i "s/yourusernamehere/travis/" wp-tests-config.php
+        sed -i "s/yourpasswordhere//" wp-tests-config.php
+        svn checkout https://plugins.svn.wordpress.org/wordpress-importer/trunk tests/phpunit/data/plugins/wordpress-importer
+    fi
+
+# Before script, failures in this section will result in build status 'failed'
 before_script:
-    - mysql -e "CREATE DATABASE wordpress_tests;" -uroot
-    - cp wp-tests-config-sample.php wp-tests-config.php
-    - sed -i "s/youremptytestdbnamehere/wordpress_tests/" wp-tests-config.php
-    - sed -i "s/yourusernamehere/travis/" wp-tests-config.php
-    - sed -i "s/yourpasswordhere//" wp-tests-config.php
-    - svn checkout https://plugins.svn.wordpress.org/wordpress-importer/trunk tests/phpunit/data/plugins/wordpress-importer
   - npm install -g grunt-cli
   - npm install
 
-script: grunt travis 
+# Script, failures in this section will result in build status 'failed'
+script: grunt $WP_TRAVISCI

Gruntfile.js

@@ -473,7 +473,10 @@ module.exports = function(grunt) {
 		['build', 'copy:qunit', 'qunit']);
 
 	grunt.registerTask('test', 'Runs all QUnit and PHPUnit tasks.', ['qunit:compiled', 'phpunit']);
-	grunt.registerTask('travis', ['jshint', 'test']);
+
+	// Travis CI tasks.
+	grunt.registerTask('travis:js', 'Runs Javascript Travis CI tasks.', [ 'jshint', 'qunit:compiled' ]);
+	grunt.registerTask('travis:phpunit', 'Runs PHPUnit Travis CI tasks.', 'phpunit');
 
 	// Patch task.
 	grunt.renameTask('patch_wordpress', 'patch');