require 'spec_helper'

describe ContentFolder do

  context 'fields' do
    subject { FactoryGirl.build :content_folder }

    let(:defined_fields) {
      [:folder_id, :label, :document_ids, :child_folders]
    }
    it 'has all defined fields' do
      defined_fields.each { |f| should respond_to(f) }
    end
  end

  context 'validation' do
    subject { FactoryGirl.build :content_folder_with_document_ids }
    let(:basic_subject) { FactoryGirl.build :content_folder }
    let(:subject_with_folders) { FactoryGirl.build :content_folder_with_child_folders }

    required_fields = [:folder_id, :label]
    required_fields.each do |f|
      it "validates #{f} is required" do
        should be_valid
        subject.send("#{f}=", nil)
        should be_invalid "should be invalid if #{f} is missing"
      end
    end

    it 'cannot have empty child_folders AND document_ids' do
      basic_subject.should be_invalid
    end

    it 'is valid when document_ids are present' do
      subject.should be_valid
    end

    it 'is valid when child_folders are present' do
      subject_with_folders.should be_valid
    end
  end

  context 'selectors' do
    subject { FactoryGirl.build :content_folder_with_document_ids }

    # TODO:  add tests for known ids
  end

  context 'db operations' do
    let(:subject_with_folders) { FactoryGirl.build :content_folder_with_child_folders }

    it 'saves and can be retrieved' do
      id = subject_with_folders.folder_id
      subject_with_folders.save
      found = ContentFolder.find(id)
      found.should_not be_nil
    end
  end

  context 'folder retrieval' do
    before do
      ContentFolder.delete_all
      root = FactoryGirl.build :content_folder_with_document_ids
      lit_center = FactoryGirl.build :content_folder_with_document_ids, :folder_id => ContentFolder::FolderIds::LIT_CENTER
      merrill_lynch = FactoryGirl.build :content_folder_with_document_ids, :folder_id => ContentFolder::FolderIds::MERRILL_LYNCH
      plan_529 = FactoryGirl.build :content_folder_with_document_ids, :folder_id => ContentFolder::FolderIds::PLANS_529
      other = FactoryGirl.build :content_folder_with_document_ids, :folder_id => 'abcdefg'
      root.child_folders = [lit_center, merrill_lynch, plan_529, other]
      root.save
    end

    it 'should return the lit center folder' do
      result = ContentFolder.lit_center_folder
      result.should_not be_nil
      result.folder_id.should == ContentFolder::FolderIds::LIT_CENTER
    end

    it 'should return the merrill lynch folder' do
      result = ContentFolder.merrill_lynch_folder
      result.should_not be_nil
      result.folder_id.should == ContentFolder::FolderIds::MERRILL_LYNCH
    end

    it 'should return the 529 folder' do
      result = ContentFolder.plan_529_folder
      result.should_not be_nil
      result.folder_id.should == ContentFolder::FolderIds::PLANS_529
    end

    it 'should return nil for an unknown folder' do
      result = ContentFolder.find_folder('zyxw')
      result.should be_nil
    end
  end
end