# frozen_string_literal: true

require 'spec_helper'

RSpec.describe ResolvesPipelines do
  include GraphqlHelpers

  subject(:resolver) do
    Class.new(Resolvers::BaseResolver) do
      include ResolvesPipelines

      def resolve(**args)
        resolve_pipelines(object, args)
      end
    end
  end

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

  let_it_be(:project) { create(:project, :private) }
  let_it_be(:pipeline) { create(:ci_pipeline, project: project) }
  let_it_be(:failed_pipeline) { create(:ci_pipeline, :failed, project: project) }
  let_it_be(:success_pipeline) { create(:ci_pipeline, :success, project: project) }
  let_it_be(:ref_pipeline) { create(:ci_pipeline, project: project, ref: 'awesome-feature') }
  let_it_be(:sha_pipeline) { create(:ci_pipeline, project: project, sha: 'deadbeef') }
  let_it_be(:all_pipelines) do
    [
      pipeline,
      failed_pipeline,
      success_pipeline,
      ref_pipeline,
      sha_pipeline
    ]
  end

  before do
    project.add_developer(current_user)
  end

  it { is_expected.to have_graphql_arguments(:status, :scope, :ref, :sha, :source) }

  it 'finds all pipelines' do
    expect(resolve_pipelines).to contain_exactly(*all_pipelines)
  end

  it 'allows filtering by status' do
    expect(resolve_pipelines(status: 'failed')).to contain_exactly(failed_pipeline)
  end

  it 'allows filtering by scope' do
    expect(resolve_pipelines(scope: 'finished')).to contain_exactly(failed_pipeline, success_pipeline)
  end

  it 'allows filtering by ref' do
    expect(resolve_pipelines(ref: 'awesome-feature')).to contain_exactly(ref_pipeline)
  end

  it 'allows filtering by sha' do
    expect(resolve_pipelines(sha: 'deadbeef')).to contain_exactly(sha_pipeline)
  end

  context 'filtering by source' do
    let_it_be(:source_pipeline) { create(:ci_pipeline, project: project, source: 'web') }

    it 'does filter by source' do
      expect(resolve_pipelines(source: 'web')).to contain_exactly(source_pipeline)
    end

    it 'returns all the pipelines' do
      expect(resolve_pipelines).to contain_exactly(*all_pipelines, source_pipeline)
    end
  end

  it 'does not return any pipelines if the user does not have access' do
    expect(resolve_pipelines({}, {})).to be_empty
  end

  it 'increases field complexity based on arguments' do
    field = Types::BaseField.new(name: 'test', type: GraphQL::Types::String, resolver_class: resolver, null: false, max_page_size: 1)

    expect(field.to_graphql.complexity.call({}, {}, 1)).to eq 2
    expect(field.to_graphql.complexity.call({}, { sha: 'foo' }, 1)).to eq 4
    expect(field.to_graphql.complexity.call({}, { sha: 'ref' }, 1)).to eq 4
  end

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