var express = require('../');

describe('config', function(){
  describe('.configure()', function(){
    describe('when no env is given', function(){
      it('should always execute', function(){
        var app = express();
        var calls = [];

        app.configure(function(){
          calls.push('all');
        });

        app.configure('test', function(){
          calls.push('test');
        });

        app.configure('test', function(){
          calls.push('test 2');
        });

        calls.should.eql(['all', 'test', 'test 2'])
      })
    })

    describe('when an env is given', function(){
      it('should only execute the matching env', function(){
        var app = express();
        var calls = [];

        app.set('env', 'development');

        app.configure('development', function(){
          calls.push('dev');
        });

        app.configure('test', function(){
          calls.push('test');
        });

        calls.should.eql(['dev']);
      })
    })
    
    describe('when several envs are given', function(){
      it('should execute when matching one', function(){
        var app = express();
        var calls = [];

        app.set('env', 'development');

        app.configure('development', function(){
          calls.push('dev');
        });

        app.configure('test', 'development', function(){
          calls.push('dev 2');
        });
        
        app.configure('development', 'test', function(){
          calls.push('dev 3');
        });
        
        app.configure('test', function(){
          calls.push('dev 3');
        });

        calls.should.eql(['dev', 'dev 2', 'dev 3']);
      })
    })

    it('should execute in order as defined', function(){
      var app = express();
      var calls = [];

      app.configure(function(){
        calls.push('all');
      });
      
      app.configure('test', function(){
        calls.push('test');
      });

      app.configure(function(){
        calls.push('all 2');
      });

      app.configure('test', function(){
        calls.push('test 2');
      });

      calls.should.eql(['all', 'test', 'all 2', 'test 2'])
    })
  })
})