require File.dirname(__FILE__) + '/../spec_helper.rb'

describe Map do
  before(:each) do
    Fabric.options[:map_root] = File.join(File.dirname(__FILE__), '..')
    @map = Map.create
  end
  
  describe "when created" do
    it "should be valid when created" do
      @map.should be_a Map
    end
    
    it "should have a blank collection attribute for roles" do
      @map.roles.should == []
    end

    it "should have a blank collection attribute for users" do
      @map.users.should == []  
    end

    it "should default the key repository to 'keys'" do
      @map.key_repository.should == 'keys'
    end
  end
  
  describe "when read" do
    it "should return true" do
      @map.read!.should be_true
    end
  end
  
  describe "'draw' called with a block" do
    it "should return the map" do

      map = Map.draw do |map|
        1
      end
      
      map.should be_a Map
    end    
  end
  
  describe "when passed a non-existent directory as key repository" do
    it "should raise a LoadError" do
      lambda { @map.key_repository('blah') }.should raise_error LoadError
    end
  end
    
  describe "with a mock key repository" do
    it "should update the key repository without raising an error" do    
      lambda { @map.key_repository('support/mock_key_repo') }.should_not raise_error LoadError
    end

    it "should know the full path of the repository" do
      @map.key_repository 'support/mock_key_repo'
      @map.expanded_key_repository_path.should == File.join(File.dirname(__FILE__), '..','support', 'mock_key_repo')
    end
  end    
    
  describe "when given a role" do
    it "should add that role to the role list" do
      @map.role 'test'
      @map.roles.first(:name => 'test').should be_a Role
    end
    
    describe "with host(s)" do
      it "should add a server object when passed one host" do
        @map.role 'test', '127.0.0.1'
        @map.roles.first(:name =>'test').servers.first.should be_a Server        
      end
      
      it "should add multiple server objects when passed multiple hosts" do
        hosts = []
        (rand(4) + 1).times { hosts << '127.0.0.1' }

        @map.role 'test', *hosts
        
        servers = @map.roles.first(:name => 'test').servers
        servers.count.should == hosts.count        
        servers.each do |server|
          server.should be_a Server
        end               
      end
    end    
  end
  
  describe "with user(s)" do
    it "should add user to the user list" do
      @map.user 'test'
      @map.users.first(:name => 'test').should be_a User
    end
    
    describe "with a user with an ssh key in the mock key repository" do
      before(:each) do
        @map.key_repository 'support/mock_key_repo'
        @key_file = File.join(@map.expanded_key_repository_path, 'fabric_test_user.pub') 

        File.open(@key_file, 'w+') do |f|
          f.write('test key')
        end
      end
      
      after(:each) do
        File.delete(@key_file)
      end
      
      it "should add the user's ssh key from the key repository" do
        @map.user 'fabric_test_user'
        @map.users.first(:name => 'fabric_test_user').keys.first.public_key.should == 'test key'
      end
    end

    it "should add multiple users to the user list" do
      users = []
      (rand(4) + 1).times { |i| users << "user_#{i}" }
      
      @map.user *users
      
      @map.users.count.should == users.count
      @map.users.all.each do |user|
        user.should be_a User
      end
    end
  end
  
  describe "when given a grant" do
    before(:each) do
      @map.role 'test', '127.0.0.1'
      @map.user 'test_user'
    end
    
    it "should add the map's users to the role" do
      @map.roles.first(:name => 'test').users.count.should == 0
      @map.grant 'test_user', 'test'  
      @map.roles.first(:name => 'test').users.count.should == 1
    end
    
    describe "for multiple users" do
      before(:each) do
        @map.user 'another test'
      end
      
      it "should add multiple users to the role" do
        @map.grant ['test_user', 'another test'], 'test'
        @map.roles.first(:name => 'test').users.count.should == 2
      end

      it "should add all the users to the role when passed :all" do
        @map.grant :all, 'test'
        @map.roles.first(:name => 'test').users.count.should == 2
      end
    end
    
    describe "for all roles" do
      before(:each) do
        @map.role 'test again', '127.0.0.1'
      end
      
      it "should add the user to multiple roles" do
        @map.grant 'test_user', ['test', 'test again']
        @map.roles.each do |role|
          role.users.count.should == 1
        end        
      end
      
      it "should add the user to all the roles when passed :all" do
        @map.grant 'test_user', :all
        @map.roles.each do |role|
          role.users.count.should == 1
        end
      end
    end
    
    it "should raise a Object Not Found if an invalid user identifier is passed" do
      lambda { @map.grant 'fake_user', 'test' }.should raise_error(DataMapper::ObjectNotFoundError)
    end
    
    it "should raise a Object Not Found if an invalid role identifier is passed" do
      lambda { @map.grant 'user', 'fake_test' }.should raise_error(DataMapper::ObjectNotFoundError)
    end
  end
  
  describe "with a namespace" do
    it "should be an instance of Map when created" do
      namespace = @map.namespace
      namespace.should be_a Map
    end

    it "should know its parent when created" do
      namespace = @map.namespace
      namespace.parent.should == @map
    end
    
    describe "with users" do
      before(:each) do
        @map.users.create(:name => 'test')
        @namespace = @map.namespace
      end

      it "should inherit its parents users" do
        @namespace.users.should == @map.users
      end

      it "should add users without adding them to the parent" do
        @namespace.users.create(:name => 'test two')
        @namespace.users.length.should == 2
        @map.users.length.should == 1
      end
    end
  end
end