pokemon.trade/spec/graphql/resolvers/pokemon_resolver_spec.rb

# frozen_string_literal: true

require 'rails_helper'

RSpec.describe Resolvers::PokemonResolver, type: :graphql do
  subject { described_class.new(object: nil, context: {}) }

  it { is_expected.to have_graphql_arguments(:id, :pokedex_number, :nickname) }

  describe '#resolve' do
    let!(:pokemon1) { create(:pokemon, nickname: 'Bulbasaur', pokedex_number: 1) }
    let!(:pokemon2) { create(:pokemon, nickname: 'Bulbasaur', pokedex_number: 1) }
    let!(:pokemon3) { create(:pokemon, nickname: 'Charizard', pokedex_number: 6) }
    let!(:pokemon4) { create(:pokemon, nickname: 'Pikachu', pokedex_number: 25) }

    it 'selects by id' do
      id = pokemon1.id
      res = resolve(described_class, args: {id: id})
      expect(res).to contain_exactly(pokemon1)

      id = pokemon2.id
      res = resolve(described_class, args: {id: id})
      expect(res).to contain_exactly(pokemon2)
    end

    it 'selects by nickname' do
      nickname = pokemon1.nickname
      res = resolve(described_class, args: {nickname: nickname})
      expect(res).to contain_exactly(pokemon1, pokemon2)

      nickname = pokemon3.nickname
      res = resolve(described_class, args: {nickname: nickname})
      expect(res).to contain_exactly(pokemon3)
    end

    it 'selects by pokedex_number' do
      pkdx = pokemon1.pokedex_number
      res = resolve(described_class, args: {pokedex_number: pkdx})
      expect(res).to contain_exactly(pokemon1, pokemon2)

      pkdx = pokemon4.pokedex_number
      res = resolve(described_class, args: {pokedex_number: pkdx})
      expect(res).to contain_exactly(pokemon4)
    end
  end
end