describe FactoryBot::Internal do
  describe ".register_trait" do
    it "registers the provided trait" do
      trait = FactoryBot::Trait.new(:admin)
      configuration = FactoryBot::Internal.configuration

      expect { FactoryBot::Internal.register_trait(trait) }
        .to change { configuration.traits.count }
        .from(0)
        .to(1)
    end

    it "returns the registered trait" do
      trait = FactoryBot::Trait.new(:admin)

      expect(FactoryBot::Internal.register_trait(trait)).to eq trait
    end
  end

  describe ".trait_by_name" do
    it "finds a previously registered trait" do
      trait = FactoryBot::Trait.new(:admin)
      klass = instance_double("klass")
      FactoryBot::Internal.register_trait(trait)

      expect(trait.klass).to be_nil
      expect(FactoryBot::Internal.trait_by_name(trait.name, klass)).to eq trait
      expect(trait.klass).to eq klass
    end
  end

  describe ".register_sequence" do
    it "registers the provided sequence" do
      sequence = FactoryBot::Sequence.new(:email)
      configuration = FactoryBot::Internal.configuration

      expect { FactoryBot::Internal.register_sequence(sequence) }
        .to change { configuration.sequences.count }
        .from(0)
        .to(1)
    end

    it "returns the registered sequence" do
      sequence = FactoryBot::Sequence.new(:email)

      expect(FactoryBot::Internal.register_sequence(sequence)).to eq sequence
    end
  end

  describe ".sequence_by_name" do
    it "finds a registered sequence" do
      sequence = FactoryBot::Sequence.new(:email)
      FactoryBot::Internal.register_sequence(sequence)

      expect(FactoryBot::Internal.sequence_by_name(sequence.name)).to eq sequence
    end
  end

  describe ".rewind_sequences" do
    it "rewinds the sequences and the internal sequences" do
      sequence = instance_double(FactoryBot::Sequence, names: ["email"])
      allow(sequence).to receive(:rewind)
      FactoryBot::Internal.register_sequence(sequence)

      inline_sequence = instance_double(FactoryBot::Sequence)
      allow(inline_sequence).to receive(:rewind)
      FactoryBot::Internal.register_inline_sequence(inline_sequence)

      FactoryBot::Internal.rewind_sequences

      expect(sequence).to have_received(:rewind).exactly(:once)
      expect(inline_sequence).to have_received(:rewind).exactly(:once)
    end
  end

  describe ".register_factory" do
    it "registers the provided factory" do
      factory = FactoryBot::Factory.new(:object)
      configuration = FactoryBot::Internal.configuration

      expect { FactoryBot::Internal.register_factory(factory) }
        .to change { configuration.factories.count }
        .from(0)
        .to(1)
    end

    it "returns the registered factory" do
      factory = FactoryBot::Factory.new(:object)

      expect(FactoryBot::Internal.register_factory(factory)).to eq factory
    end
  end

  describe ".factory_by_name" do
    it "finds a registered factory" do
      factory = FactoryBot::Factory.new(:object)
      FactoryBot::Internal.register_factory(factory)

      expect(FactoryBot::Internal.factory_by_name(factory.name)).to eq factory
    end
  end

  describe ".register_factory" do
    it "registers the provided factory" do
      factory = FactoryBot::Factory.new(:object)
      configuration = FactoryBot::Internal.configuration
      expect { FactoryBot::Internal.register_factory(factory) }
        .to change { configuration.factories.count }
        .from(0)
        .to(1)
    end

    it "returns the registered factory" do
      factory = FactoryBot::Factory.new(:object)
      expect(FactoryBot::Internal.register_factory(factory)).to eq factory
    end
  end

  describe ".factory_by_name" do
    it "finds a registered factory" do
      factory = FactoryBot::Factory.new(:object)
      FactoryBot::Internal.register_factory(factory)
      expect(FactoryBot::Internal.factory_by_name(factory.name)).to eq factory
    end
  end

  describe ".register_strategy" do
    it "register the provided strategy name with the class" do
      configuration = FactoryBot::Internal.configuration
      initial_strategies_count = configuration.strategies.count
      expect {
        FactoryBot::Internal.register_strategy(:strategy_name, :strategy_class)
      }.to change { configuration.strategies.count }
        .from(initial_strategies_count)
        .to(initial_strategies_count + 1)
    end
  end

  describe ".strategy_by_name" do
    it "finds a registered strategy" do
      FactoryBot::Internal.register_strategy(:strategy_name, :strategy_class)
      expect(FactoryBot::Internal.strategy_by_name(:strategy_name))
        .to eq :strategy_class
    end
  end
end