require "spec_helper"

describe Form::Component::Base do
  subject { described_class.new(nil, nil) }

  describe "#composed_name" do
    let(:form) { mock }
    let(:name) { "name" }
    subject { described_class.new(form, name) }

    context "without base name" do
      before { form.stub base_name: nil }
      specify { subject.composed_name.should eql("name") }
    end

    context "for single base name" do
      before { form.stub base_name: "user" }
      specify { subject.composed_name.should eql("user[name]") }
    end

    context "for multiple base name" do
      before { form.stub base_name: ["user", "profile"] }
      specify { subject.composed_name.should eql("user[profile][name]") }
    end
  end

  describe "#data" do
    let(:form) { mock.as_null_object }
    subject { described_class.new(form, "name") }

    it "delegates to form's data" do
      form.should_receive(:data).once
      subject.data
    end
  end

  describe "#value" do
    let(:form) { mock }
    let(:name) { "name" }
    subject { described_class.new(form, name) }

    context "with objects that respond to []" do
      it "returns value for string key" do
        form.stub data: {"name" => "John Doe"}
        subject.value.should eql("John Doe")
      end

      it "returns value for symbol key" do
        form.stub data: {:name => "John Doe"}
        subject.value.should eql("John Doe")
      end
    end

    context "with objects that respond to the attribute" do
      it "returns value" do
        form.stub data: mock(name: "John Doe")
        subject.value.should eql("John Doe")
      end
    end

    context "with no data objects" do
      it "returns nil" do
        form.stub :data
        subject.value.should be_nil
      end
    end
  end

  describe "#t" do
    it "proxies arguments to I18n.t" do
      I18n.should_receive(:t).with(:a, :b)
      subject.t(:a, :b)
    end
  end

  describe "#humanize" do
    specify { subject.humanize("name").should eql("Name") }
    specify { subject.humanize("full_name").should eql("Full name") }
  end
end