rewrite Travis test script

.travis.yml

@@ -1,5 +1,9 @@
-script: spec/ci.rb
+bundler_args: "--standalone --binstubs"
+script: script/test_all
 services: mongodb
+before_script:
+  - mysql -e 'create database will_paginate;'
+  - psql -c 'create database will_paginate;' -U postgres
 rvm:
   - 1.8.7
   - 1.9.2

script/test_all

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+status=0
+export PATH="${PWD}/bin:$PATH"
+
+for db in sqlite3 mysql mysql2 postgres; do
+  if ! [[ $db = "mysql2" && $BUNDLE_GEMFILE =~ "rails3.0" ]]; then
+    printf "\e[1;33m[DB] ${db}\e[m\n"
+    DB=$db rake || status=1
+  fi
+done
+
+exit $status