Fix spec

spec/ridgepole_spec.rb

@@ -0,0 +1,5 @@
+describe Ridgepole::Client do
+  it do
+    expect(1).to eq(1)
+  end
+end

spec/ridgepole_test.sql

@@ -0,0 +1,65 @@
+DROP DATABASE IF EXISTS `ridgepole_test`;
+CREATE DATABASE `ridgepole_test` DEFAULT CHARACTER SET utf8;
+
+USE `ridgepole_test`;
+
+DROP TABLE IF EXISTS `departments`;
+CREATE TABLE `departments` (
+  `dept_no` char(4) NOT NULL,
+  `dept_name` varchar(40) NOT NULL,
+  PRIMARY KEY (`dept_no`),
+  UNIQUE KEY `dept_name` (`dept_name`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+
+DROP TABLE IF EXISTS `dept_emp`;
+CREATE TABLE `dept_emp` (
+  `emp_no` int(11) NOT NULL,
+  `dept_no` char(4) NOT NULL,
+  `from_date` date NOT NULL,
+  `to_date` date NOT NULL,
+  PRIMARY KEY (`emp_no`,`dept_no`),
+  KEY `emp_no` (`emp_no`),
+  KEY `dept_no` (`dept_no`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+
+DROP TABLE IF EXISTS `dept_manager`;
+CREATE TABLE `dept_manager` (
+  `dept_no` char(4) NOT NULL,
+  `emp_no` int(11) NOT NULL,
+  `from_date` date NOT NULL,
+  `to_date` date NOT NULL,
+  PRIMARY KEY (`emp_no`,`dept_no`),
+  KEY `emp_no` (`emp_no`),
+  KEY `dept_no` (`dept_no`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+
+DROP TABLE IF EXISTS `employees`;
+CREATE TABLE `employees` (
+  `emp_no` int(11) NOT NULL,
+  `birth_date` date NOT NULL,
+  `first_name` varchar(14) NOT NULL,
+  `last_name` varchar(16) NOT NULL,
+  `gender` enum('M','F') NOT NULL,
+  `hire_date` date NOT NULL,
+  PRIMARY KEY (`emp_no`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+
+DROP TABLE IF EXISTS `salaries`;
+CREATE TABLE `salaries` (
+  `emp_no` int(11) NOT NULL,
+  `salary` int(11) NOT NULL,
+  `from_date` date NOT NULL,
+  `to_date` date NOT NULL,
+  PRIMARY KEY (`emp_no`,`from_date`),
+  KEY `emp_no` (`emp_no`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+
+DROP TABLE IF EXISTS `titles`;
+CREATE TABLE `titles` (
+  `emp_no` int(11) NOT NULL,
+  `title` varchar(50) NOT NULL,
+  `from_date` date NOT NULL,
+  `to_date` date DEFAULT NULL,
+  PRIMARY KEY (`emp_no`,`title`,`from_date`),
+  KEY `emp_no` (`emp_no`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;

spec/spec_helper.rb

@@ -0,0 +1,12 @@
+require 'ridgepole'
+
+def restore_database
+  sql_file = File.expand_path('../ridgepole_test.sql', __FILE__)
+  system("mysql -uroot < #{sql_file}")
+end
+
+RSpec.configure do |config|
+  config.before(:each) do
+    restore_database
+  end
+end