require 'spec_helper'

if defined?(Mongoid::Document)
  describe 'mongoid' do

    Dir[File.dirname(__FILE__) + "/../../models/mongoid/*.rb"].sort.each do |f|
      require File.expand_path(f)
    end

    before(:all) do
      # if you want to see the statements while running the spec enable the following line
      # Mongoid.logger = Logger.new(STDERR)
    end

    after do
      Mongoid.purge!
    end

    describe "named scopes with the old DSL" do

      context "Does not already respond_to? the scope name" do
        it "should add a scope for each state" do
          expect(SimpleMongoid).to respond_to(:unknown_scope)
          expect(SimpleMongoid).to respond_to(:another_unknown_scope)

          expect(SimpleMongoid.unknown_scope.class).to eq(Mongoid::Criteria)
          expect(SimpleMongoid.another_unknown_scope.class).to eq(Mongoid::Criteria)
        end
      end

      context "Already respond_to? the scope name" do
        it "should not add a scope" do
          expect(SimpleMongoid).to respond_to(:new)
          expect(SimpleMongoid.new.class).to eq(SimpleMongoid)
        end
      end

    end

    describe "named scopes with the new DSL" do

      context "Does not already respond_to? the scope name" do
        it "should add a scope" do
          expect(SimpleNewDslMongoid).to respond_to(:unknown_scope)
          expect(SimpleNewDslMongoid.unknown_scope.class).to eq(Mongoid::Criteria)
        end
      end

      context "Already respond_to? the scope name" do
        it "should not add a scope" do
          expect(SimpleNewDslMongoid).to respond_to(:new)
          expect(SimpleNewDslMongoid.new.class).to eq(SimpleNewDslMongoid)
        end
      end

      it "does not create scopes if requested" do
        expect(NoScopeMongoid).not_to respond_to(:ignored_scope)
      end

    end

    describe "instance methods" do
      let(:simple) {SimpleNewDslMongoid.new}

      it "should initialize the aasm state on instantiation" do
        expect(SimpleNewDslMongoid.new.status).to eql 'unknown_scope'
        expect(SimpleNewDslMongoid.new.aasm.current_state).to eql :unknown_scope
      end

    end

    describe "relations object" do

      it "should load relations object ids" do
        parent  =  Parent.create
        child_1 = Child.create(parent_id: parent.id)
        child_2 = Child.create(parent_id: parent.id)
        expect(parent.child_ids).to eql [child_1.id, child_2.id]
      end

    end

    describe 'transitions with persistence' do

      it 'should work for valid models' do
        valid_object = ValidatorMongoid.create(:name => 'name')
        expect(valid_object).to be_sleeping
        valid_object.status = :running
        expect(valid_object).to be_running
      end

      it 'should not store states for invalid models' do
        validator = ValidatorMongoid.create(:name => 'name')
        expect(validator).to be_valid
        expect(validator).to be_sleeping

        validator.name = nil
        expect(validator).not_to be_valid
        expect { validator.run! }.to raise_error(Mongoid::Errors::Validations)
        expect(validator).to be_sleeping

        validator.reload
        expect(validator).not_to be_running
        expect(validator).to be_sleeping

        validator.name = 'another name'
        expect(validator).to be_valid
        expect(validator.run!).to be_truthy
        expect(validator).to be_running

        validator.reload
        expect(validator).to be_running
        expect(validator).not_to be_sleeping
      end

      it 'should not store states for invalid models silently if configured' do
        validator = SilentPersistorMongoid.create(:name => 'name')
        expect(validator).to be_valid
        expect(validator).to be_sleeping

        validator.name = nil
        expect(validator).not_to be_valid
        expect(validator.run!).to be_falsey
        expect(validator).to be_sleeping

        validator.reload
        expect(validator).not_to be_running
        expect(validator).to be_sleeping

        validator.name = 'another name'
        expect(validator).to be_valid
        expect(validator.run!).to be_truthy
        expect(validator).to be_running

        validator.reload
        expect(validator).to be_running
        expect(validator).not_to be_sleeping
      end

      it 'should store states for invalid models if configured' do
        persistor = InvalidPersistorMongoid.create(:name => 'name')
        expect(persistor).to be_valid
        expect(persistor).to be_sleeping

        persistor.name = nil

        expect(persistor).not_to be_valid
        expect(persistor.run!).to be_truthy
        expect(persistor).to be_running

        persistor = InvalidPersistorMongoid.find(persistor.id)

        persistor.valid?
        expect(persistor).to be_valid
        expect(persistor).to be_running
        expect(persistor).not_to be_sleeping

        persistor.reload
        expect(persistor).to be_running
        expect(persistor).not_to be_sleeping
      end
    end

    describe 'testing the timestamps option' do
      let(:example) { TimestampExampleMongoid.create }

      it 'should update existing timestamp fields' do
        expect { example.open! }.to change { example.reload.opened_at }.from(nil).to(instance_of(::Time))
      end

      it 'should not fail if there is no corresponding timestamp field' do
        expect { example.close! }.to change { example.reload.status }
      end
    end

  end
end
