require 'spec/spec_helper'
require 'rubygems'
require 'taza'

describe Taza::Settings do
  
  before :each do
    ENV['ENVIRONMENT'] = 'test'
    ENV['BROWSER'] = nil
    ENV['DRIVER'] = nil
  end

  it "should use environment variable for browser settings" do
    Taza::Settings.stubs(:path).returns("spec/sandbox")
    ENV['BROWSER'] = 'foo'
    Taza::Settings.config('SiteName')[:browser].should eql('foo')
  end

  it "should use environment variable for driver settings" do
    Taza::Settings.stubs(:path).returns("spec/sandbox")
    ENV['DRIVER'] = 'bar'
    Taza::Settings.config('SiteName')[:driver].should eql('bar')
  end
  
  it "should provide default values if no config file or environment settings provided" do
    Taza::Settings.stubs(:path).returns("spec/sandbox")
    Taza::Settings.config('SiteName')[:driver].should eql('watir')
    Taza::Settings.config('SiteName')[:browser].should eql('firefox')
  end
  
  it "should be able to load the site yml" do
    Taza::Settings.stubs(:path).returns("spec/sandbox")
    Taza::Settings.config("SiteName")[:url].should eql('http://google.com')
  end

  it "should be able to load a alternate site url" do
    ENV['ENVIRONMENT'] = 'clown_shoes'
    Taza::Settings.stubs(:path).returns("spec/sandbox")
    Taza::Settings.config("SiteName")[:url].should eql('http://clownshoes.com')
  end

  it "should use the config file's variable for browser settings if no environment variable is set" do
    Taza::Settings.stubs(:path).returns("spec/sandbox")
    Taza::Settings.expects(:config_file).returns({:browser => 'fu'})
    Taza::Settings.config('SiteName')[:browser].should eql('fu')
  end

  it "should use the config file's variable for driver settings if no environment variable is set" do
    Taza::Settings.stubs(:path).returns("spec/sandbox")
    Taza::Settings.stubs(:config_file).returns({:driver => 'fun'})
    Taza::Settings.config('SiteName')[:driver].should eql('fun')    
  end

  it "should use the ENV variables if specified instead of config files" do
    ENV['BROWSER'] = 'opera'
    Taza::Settings.expects(:config_file).returns({:browser => 'fu'})
    Taza::Settings.stubs(:path).returns("spec/sandbox")
    Taza::Settings.config('SiteName')[:browser].should eql('opera')
  end

  it "should use the correct config file" do
    Taza::Settings.stubs(:path).returns("spec/sandbox")
    Taza::Settings.stubs(:config_file_path).returns('spec/sandbox/config.yml')
  end
  
  it "should raise error when the config file does not exist" do
    Taza::Settings.stubs(:path).returns('spec/no_such_directory')
    lambda {Taza::Settings.config}.should raise_error
  end
  
  class SiteName < Taza::Site
  end

  it "a site should be able to load its settings" do
    Taza::Settings.stubs(:path).returns("spec/sandbox")
    browser = stub()
    browser.stubs(:goto)
    SiteName.new(:browser => browser).config[:url].should eql('http://google.com')
  end

  it "setting keys can be specified as strings (i.e. without a colon) in the config file" do
    Taza::Settings.stubs(:config_file_path).returns("spec/sandbox/config/simpler.yml")
    Taza::Settings.stubs(:path).returns("spec/sandbox")
    Taza::Settings.config('SiteName')[:browser].should eql('opera')
  end
  
  it "setting keys can be specified as strings (i.e. without a colon) in the config file" do
    Taza::Settings.stubs(:path).returns("spec/sandbox")
    Taza::Settings.stubs(:environment_file).returns('config/simpler_site.yml')
    Taza::Settings.config('SimplerSite')[:url].should eql('http://makezine.com')
  end

  it "should be able to convert string keys to symbol keys" do
    result = Taza::Settings.convert_string_keys_to_symbols 'browser' => 'foo'
    result.should == {:browser => 'foo'}
  end
  
  it "should provide an empty hash when the config file doesn't exist" do
    Taza::Settings.stubs(:config_file_path).returns('spec/sandbox/config/no_such_file.yml')
    Taza::Settings.config_file.should == {} 
  end
  
  it "should parse true/false values" do
    Taza::Settings.to_bool('true').should == true
    Taza::Settings.to_bool('True').should == true
    Taza::Settings.to_bool('false').should == false
    Taza::Settings.to_bool(nil).should == false
  end

end