require "spec_helper"

describe Mongoid::Validations::LengthValidator do

  describe "#validate_each" do

    let(:product) do
      Product.new
    end

    context "when the field is not localized" do

      let(:validator) do
        described_class.new(attributes: [:brand_name], in: 1..5)
      end

      context "when the value is valid" do

        before do
          validator.validate_each(product, :brand_name, "Apple")
        end

        it "adds no errors" do
          product.errors[:brand_name].should be_empty
        end
      end

      context "when the value is invalid" do

        before do
          validator.validate_each(product, :brand_name, "123456")
        end

        it "adds errors" do
          product.errors[:brand_name].should eq(
            ["is too long (maximum is 5 characters)"]
          )
        end
      end
    end

    context "when the field is localized" do

      let(:validator) do
        described_class.new(attributes: [:website], in: 1..5)
      end

      context "when the localized value is valid" do

        before do
          validator.validate_each(product, :website, { "en" => "12345" })
        end

        it "adds no errors" do
          product.errors[:website].should be_empty
        end
      end

      context "when one of the localized values is invalid" do

        before do
          validator.validate_each(
            product,
            :website, { "en" => "12345", "fr" => "123456" }
          )
        end

        it "adds errors" do
          product.errors[:website].should eq(
            ["is too long (maximum is 5 characters)"]
          )
        end
      end

      context "when the localized value is invalid" do

        before do
          validator.validate_each(product, :website, { "en" => "123456" })
        end

        it "adds errors" do
          product.errors[:website].should eq(
            ["is too long (maximum is 5 characters)"]
          )
        end
      end
    end

    context "when the field is aliased" do

      context "when the aliased field name is validated" do

        let(:validator) do
          described_class.new(attributes: [:sku], in: 1..5)
        end

        context "when the value is valid" do

          before do
            validator.validate_each(product, :sku, "12345")
          end

          it "adds no errors" do
            product.errors[:sku].should be_empty
          end
        end

        context "when the value is invalid" do

          before do
            validator.validate_each(product, :sku, "123456")
          end

          it "adds errors" do
            product.errors[:sku].should eq(["is too long (maximum is 5 characters)"])
          end
        end
      end

      context "when the underlying field name is validated" do

        let(:validator) do
          described_class.new(attributes: [:stock_keeping_unit], in: 1..5)
        end

        context "when the value is valid" do

          before do
            validator.validate_each(product, :stock_keeping_unit, "12345")
          end

          it "adds no errors" do
            product.errors[:stock_keeping_unit].should be_empty
          end
        end

        context "when the value is invalid" do

          before do
            validator.validate_each(product, :stock_keeping_unit, "123456")
          end

          it "adds errors" do
            product.errors[:stock_keeping_unit].should eq(["is too long (maximum is 5 characters)"])
          end
        end
      end

      context "when the field is localized" do

        let(:validator) do
          described_class.new(attributes: [:tagline], in: 1..5)
        end

        context "when the localized value is valid" do

          before do
            validator.validate_each(product, :tagline, { "en" => "12345" })
          end

          it "adds no errors" do
            product.errors[:tagline].should be_empty
          end
        end

        context "when one of the localized values is invalid" do

          before do
            validator.validate_each(
                product,
                :tagline, { "en" => "12345", "fr" => "123456" }
            )
          end

          it "adds errors" do
            product.errors[:tagline].should eq(["is too long (maximum is 5 characters)"])
          end
        end

        context "when the localized value is invalid" do

          before do
            validator.validate_each(product, :tagline, { "en" => "123456" })
          end

          it "adds errors" do
            product.errors[:tagline].should eq(["is too long (maximum is 5 characters)"])
          end
        end
      end
    end
  end

  context "when validating an array" do

    before do
      Person.validates :aliases, length: { minimum: 2, allow_blank: false }
    end

    after do
      Person.reset_callbacks(:validate)
    end

    context "when allow blank is false" do

      let(:person) do
        Person.new
      end

      context "when the array is empty" do

        before do
          person.array = []
          person.valid?
        end

        it "adds the errors to the document" do
          person.errors[:aliases].should_not be_empty
        end
      end
    end
  end
end