# frozen_string_literal: true

require 'spec_helper'

RSpec.describe Resolvers::EnvironmentsResolver do
  include GraphqlHelpers

  let_it_be(:current_user) { create(:user) }

  context "with a group" do
    let(:group)   { create(:group) }
    let(:project) { create(:project, :public, group: group) }
    let!(:environment1) { create(:environment, :available, name: 'production', project: project) }
    let!(:environment2) { create(:environment, :stopped, name: 'test', project: project) }
    let!(:environment3) { create(:environment, :available, name: 'test2', project: project) }
    let!(:environment4) { create(:environment, :available, name: 'folder1/test1', project: project) }
    let!(:environment5) { create(:environment, :available, name: 'folder1/test2', project: project) }
    let!(:environment6) { create(:environment, :available, name: 'folder2/test3', project: project) }

    before do
      group.add_developer(current_user)
    end

    describe '#resolve' do
      it 'finds all environments' do
        expect(resolve_environments).to contain_exactly(environment1,
                                                        environment2,
                                                        environment3,
                                                        environment4,
                                                        environment5,
                                                        environment6)
      end

      context 'with name' do
        it 'finds a specific environment with name' do
          expect(resolve_environments(name: environment1.name)).to contain_exactly(environment1)
        end
      end

      context 'with search' do
        it 'searches environment by name' do
          expect(resolve_environments(search: 'production')).to contain_exactly(environment1)
        end

        context 'when the search term does not match any environments' do
          it 'is empty' do
            expect(resolve_environments(search: 'nonsense')).to be_empty
          end
        end
      end

      context 'with states' do
        it 'searches environments by state' do
          expect(resolve_environments(states: ['available'])).to contain_exactly(environment1,
                                                                                 environment3,
                                                                                 environment4,
                                                                                 environment5,
                                                                                 environment6)
        end

        it 'generates an error if requested state is invalid' do
          expect_graphql_error_to_be_created(Gitlab::Graphql::Errors::ArgumentError) do
            resolve_environments(states: ['invalid'])
          end
        end
      end

      context 'with environment_type' do
        it 'searches environments by type' do
          expect(resolve_environments(type: 'folder1')).to contain_exactly(environment4, environment5)
        end

        it 'returns an empty result' do
          expect(resolve_environments(type: 'folder3')).to be_empty
        end
      end

      context 'when project is nil' do
        subject { resolve(described_class, obj: nil, args: {}, ctx: { current_user: current_user }) }

        it { is_expected.to be_nil }
      end
    end
  end

  def resolve_environments(args = {}, context = { current_user: current_user })
    resolve(described_class, obj: project, args: args, ctx: context)
  end
end