Contents

require 'spec_helper'

describe GraphQL::Field do
  it 'accepts a proc as type' do
    field = GraphQL::Field.define do
      type(-> { DairyProductUnion })
    end

    assert_equal(DairyProductUnion, field.type)
  end

  it "accepts a string as a type" do
    field = GraphQL::Field.define do
      type("DairyProductUnion")
    end

    assert_equal(DairyProductUnion, field.type)
  end


  describe '.property ' do
    let(:field) do
      GraphQL::Field.define do
        name 'field_name'
        # satisfies 'can define by config' below
        property :internal_prop
      end
    end

    it 'can define by config' do
      assert_equal(field.property, :internal_prop)
    end

    it 'has nil property if not defined' do
      no_prop_field = GraphQL::Field.define { }
      assert_equal(no_prop_field.property, nil)
    end

    describe 'default resolver' do
      def acts_like_default_resolver(field, old_prop, new_prop)
        object = OpenStruct.new(old_prop => 'old value', new_prop => 'new value', field.name.to_sym => 'unset value')

        old_result = field.resolve(object, nil, nil)
        field.property = new_prop
        new_result = field.resolve(object, nil, nil)
        field.property = nil
        unset_result = field.resolve(object, nil, nil)

        assert_equal(old_result, 'old value')
        assert_equal(new_result, 'new value')
        assert_equal(unset_result, 'unset value')
      end

      it 'responds to changes in property' do
        acts_like_default_resolver(field, :internal_prop, :new_prop)
      end

      it 'is reassigned if resolve is set to nil' do
        field.resolve = nil
        acts_like_default_resolver(field, :internal_prop, :new_prop)
      end
    end
  end

  describe "#name" do
    it "can't be reassigned" do
      field = GraphQL::Field.define do
        name("something")
      end
      assert_equal "something", field.name
      assert_raises { field.name = "somethingelse" }
      assert_equal "something", field.name
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
graphql-0.12.1	spec/graphql/field_spec.rb
graphql-0.12.0	spec/graphql/field_spec.rb