require "spec_helper"

describe ProjectTeam, models: true do
  let(:master) { create(:user) }
  let(:reporter) { create(:user) }
  let(:guest) { create(:user) }
  let(:nonmember) { create(:user) }

  context 'personal project' do
    let(:project) { create(:empty_project) }

    before do
      project.add_master(master)
      project.add_reporter(reporter)
      project.add_guest(guest)
    end

    describe 'members collection' do
      it { expect(project.team.masters).to include(master) }
      it { expect(project.team.masters).not_to include(guest) }
      it { expect(project.team.masters).not_to include(reporter) }
      it { expect(project.team.masters).not_to include(nonmember) }
    end

    describe 'access methods' do
      it { expect(project.team.master?(master)).to be_truthy }
      it { expect(project.team.master?(guest)).to be_falsey }
      it { expect(project.team.master?(reporter)).to be_falsey }
      it { expect(project.team.master?(nonmember)).to be_falsey }
      it { expect(project.team.member?(nonmember)).to be_falsey }
      it { expect(project.team.member?(guest)).to be_truthy }
      it { expect(project.team.member?(reporter, Gitlab::Access::REPORTER)).to be_truthy }
      it { expect(project.team.member?(guest, Gitlab::Access::REPORTER)).to be_falsey }
      it { expect(project.team.member?(nonmember, Gitlab::Access::GUEST)).to be_falsey }
    end
  end

  context 'group project' do
    let(:group) { create(:group) }
    let!(:project) { create(:empty_project, group: group) }

    before do
      group.add_master(master)
      group.add_reporter(reporter)
      group.add_guest(guest)

      # If user is a group and a project member - GitLab uses highest permission
      # So we add group guest as master and add group master as guest
      # to this project to test highest access
      project.add_master(guest)
      project.add_guest(master)
    end

    describe 'members collection' do
      it { expect(project.team.reporters).to include(reporter) }
      it { expect(project.team.masters).to include(master) }
      it { expect(project.team.masters).to include(guest) }
      it { expect(project.team.masters).not_to include(reporter) }
      it { expect(project.team.masters).not_to include(nonmember) }
    end

    describe 'access methods' do
      it { expect(project.team.reporter?(reporter)).to be_truthy }
      it { expect(project.team.master?(master)).to be_truthy }
      it { expect(project.team.master?(guest)).to be_truthy }
      it { expect(project.team.master?(reporter)).to be_falsey }
      it { expect(project.team.master?(nonmember)).to be_falsey }
      it { expect(project.team.member?(nonmember)).to be_falsey }
      it { expect(project.team.member?(guest)).to be_truthy }
      it { expect(project.team.member?(guest, Gitlab::Access::MASTER)).to be_truthy }
      it { expect(project.team.member?(reporter, Gitlab::Access::MASTER)).to be_falsey }
      it { expect(project.team.member?(nonmember, Gitlab::Access::GUEST)).to be_falsey }
    end
  end

  describe '#fetch_members' do
    context 'personal project' do
      let(:project) { create(:empty_project) }

      it 'returns project members' do
        user = create(:user)
        project.add_guest(user)

        expect(project.team.members).to contain_exactly(user, project.owner)
      end

      it 'returns project members of a specified level' do
        user = create(:user)
        project.add_reporter(user)

        expect(project.team.guests).to be_empty
        expect(project.team.reporters).to contain_exactly(user)
      end

      it 'returns invited members of a group' do
        group_member = create(:group_member)

        project.project_group_links.create!(
          group: group_member.group,
          group_access: Gitlab::Access::GUEST
        )

        expect(project.team.members).
          to contain_exactly(group_member.user, project.owner)
      end

      it 'returns invited members of a group of a specified level' do
        group_member = create(:group_member)

        project.project_group_links.create!(
          group: group_member.group,
          group_access: Gitlab::Access::REPORTER
        )

        expect(project.team.guests).to be_empty
        expect(project.team.reporters).to contain_exactly(group_member.user)
      end
    end

    context 'group project' do
      let(:group) { create(:group) }
      let!(:project) { create(:empty_project, group: group) }

      it 'returns project members' do
        group_member = create(:group_member, group: group)

        expect(project.team.members).to contain_exactly(group_member.user)
      end

      it 'returns project members of a specified level' do
        group_member = create(:group_member, :reporter, group: group)

        expect(project.team.guests).to be_empty
        expect(project.team.reporters).to contain_exactly(group_member.user)
      end
    end
  end

  describe '#find_member' do
    context 'personal project' do
      let(:project) do
        create(:empty_project, :public, :access_requestable)
      end

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

      before do
        project.add_master(master)
        project.add_reporter(reporter)
        project.add_guest(guest)
        project.request_access(requester)
      end

      it { expect(project.team.find_member(master.id)).to be_a(ProjectMember) }
      it { expect(project.team.find_member(reporter.id)).to be_a(ProjectMember) }
      it { expect(project.team.find_member(guest.id)).to be_a(ProjectMember) }
      it { expect(project.team.find_member(nonmember.id)).to be_nil }
      it { expect(project.team.find_member(requester.id)).to be_nil }
    end

    context 'group project' do
      let(:group) { create(:group, :access_requestable) }
      let(:project) { create(:empty_project, group: group) }
      let(:requester) { create(:user) }

      before do
        group.add_master(master)
        group.add_reporter(reporter)
        group.add_guest(guest)
        group.request_access(requester)
      end

      it { expect(project.team.find_member(master.id)).to be_a(GroupMember) }
      it { expect(project.team.find_member(reporter.id)).to be_a(GroupMember) }
      it { expect(project.team.find_member(guest.id)).to be_a(GroupMember) }
      it { expect(project.team.find_member(nonmember.id)).to be_nil }
      it { expect(project.team.find_member(requester.id)).to be_nil }
    end
  end

  describe "#human_max_access" do
    it 'returns Master role' do
      user = create(:user)
      group = create(:group)
      project = create(:empty_project, namespace: group)

      group.add_master(user)

      expect(project.team.human_max_access(user.id)).to eq 'Master'
    end

    it 'returns Owner role' do
      user = create(:user)
      group = create(:group)
      project = create(:empty_project, namespace: group)

      group.add_owner(user)

      expect(project.team.human_max_access(user.id)).to eq 'Owner'
    end
  end

  describe '#max_member_access' do
    let(:requester) { create(:user) }

    context 'personal project' do
      let(:project) do
        create(:empty_project, :public, :access_requestable)
      end

      context 'when project is not shared with group' do
        before do
          project.add_master(master)
          project.add_reporter(reporter)
          project.add_guest(guest)
          project.request_access(requester)
        end

        it { expect(project.team.max_member_access(master.id)).to eq(Gitlab::Access::MASTER) }
        it { expect(project.team.max_member_access(reporter.id)).to eq(Gitlab::Access::REPORTER) }
        it { expect(project.team.max_member_access(guest.id)).to eq(Gitlab::Access::GUEST) }
        it { expect(project.team.max_member_access(nonmember.id)).to eq(Gitlab::Access::NO_ACCESS) }
        it { expect(project.team.max_member_access(requester.id)).to eq(Gitlab::Access::NO_ACCESS) }
      end

      context 'when project is shared with group' do
        before do
          group = create(:group)
          project.project_group_links.create(
            group: group,
            group_access: Gitlab::Access::DEVELOPER)

          group.add_master(master)
          group.add_reporter(reporter)
        end

        it { expect(project.team.max_member_access(master.id)).to eq(Gitlab::Access::DEVELOPER) }
        it { expect(project.team.max_member_access(reporter.id)).to eq(Gitlab::Access::REPORTER) }
        it { expect(project.team.max_member_access(nonmember.id)).to eq(Gitlab::Access::NO_ACCESS) }
        it { expect(project.team.max_member_access(requester.id)).to eq(Gitlab::Access::NO_ACCESS) }

        context 'but share_with_group_lock is true' do
          before { project.namespace.update(share_with_group_lock: true) }

          it { expect(project.team.max_member_access(master.id)).to eq(Gitlab::Access::NO_ACCESS) }
          it { expect(project.team.max_member_access(reporter.id)).to eq(Gitlab::Access::NO_ACCESS) }
        end
      end
    end

    context 'group project' do
      let(:group) { create(:group, :access_requestable) }
      let!(:project) do
        create(:empty_project, group: group)
      end

      before do
        group.add_master(master)
        group.add_reporter(reporter)
        group.add_guest(guest)
        group.request_access(requester)
      end

      it { expect(project.team.max_member_access(master.id)).to eq(Gitlab::Access::MASTER) }
      it { expect(project.team.max_member_access(reporter.id)).to eq(Gitlab::Access::REPORTER) }
      it { expect(project.team.max_member_access(guest.id)).to eq(Gitlab::Access::GUEST) }
      it { expect(project.team.max_member_access(nonmember.id)).to eq(Gitlab::Access::NO_ACCESS) }
      it { expect(project.team.max_member_access(requester.id)).to eq(Gitlab::Access::NO_ACCESS) }
    end
  end

  describe '#member?' do
    let(:group) { create(:group) }
    let(:developer) { create(:user) }
    let(:master) { create(:user) }

    let(:personal_project) do
      create(:empty_project, namespace: developer.namespace)
    end

    let(:group_project) do
      create(:empty_project, namespace: group)
    end

    let(:members_project) { create(:empty_project) }
    let(:shared_project) { create(:empty_project) }

    before do
      group.add_master(master)
      group.add_developer(developer)

      members_project.team << [developer, :developer]
      members_project.team << [master, :master]

      create(:project_group_link, project: shared_project, group: group)
    end

    it 'returns false for no user' do
      expect(personal_project.team.member?(nil)).to be(false)
    end

    it 'returns true for personal projects of the user' do
      expect(personal_project.team.member?(developer)).to be(true)
    end

    it 'returns true for projects of groups the user is a member of' do
      expect(group_project.team.member?(developer)).to be(true)
    end

    it 'returns true for projects for which the user is a member of' do
      expect(members_project.team.member?(developer)).to be(true)
    end

    it 'returns true for projects shared on a group the user is a member of' do
      expect(shared_project.team.member?(developer)).to be(true)
    end

    it 'checks for the correct minimum level access' do
      expect(group_project.team.member?(developer, Gitlab::Access::MASTER)).to be(false)
      expect(group_project.team.member?(master, Gitlab::Access::MASTER)).to be(true)
      expect(members_project.team.member?(developer, Gitlab::Access::MASTER)).to be(false)
      expect(members_project.team.member?(master, Gitlab::Access::MASTER)).to be(true)
      expect(shared_project.team.member?(developer, Gitlab::Access::MASTER)).to be(false)
      expect(shared_project.team.member?(master, Gitlab::Access::MASTER)).to be(false)
      expect(shared_project.team.member?(developer, Gitlab::Access::DEVELOPER)).to be(true)
      expect(shared_project.team.member?(master, Gitlab::Access::DEVELOPER)).to be(true)
    end
  end

  shared_examples 'max member access for users' do
    let(:project) { create(:project) }
    let(:group) { create(:group) }
    let(:second_group) { create(:group) }

    let(:master) { create(:user) }
    let(:reporter) { create(:user) }
    let(:guest) { create(:user) }

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

    let(:group_developer) { create(:user) }
    let(:second_developer) { create(:user) }

    let(:user_without_access) { create(:user) }
    let(:second_user_without_access) { create(:user) }

    let(:users) do
      [master, reporter, promoted_guest, guest, group_developer, second_developer, user_without_access].map(&:id)
    end

    let(:expected) do
      {
        master.id => Gitlab::Access::MASTER,
        reporter.id => Gitlab::Access::REPORTER,
        promoted_guest.id => Gitlab::Access::DEVELOPER,
        guest.id => Gitlab::Access::GUEST,
        group_developer.id => Gitlab::Access::DEVELOPER,
        second_developer.id => Gitlab::Access::MASTER,
        user_without_access.id => Gitlab::Access::NO_ACCESS
      }
    end

    before do
      project.add_master(master)
      project.add_reporter(reporter)
      project.add_guest(promoted_guest)
      project.add_guest(guest)

      project.project_group_links.create(
        group: group,
        group_access: Gitlab::Access::DEVELOPER
      )

      group.add_master(promoted_guest)
      group.add_developer(group_developer)
      group.add_developer(second_developer)

      project.project_group_links.create(
        group: second_group,
        group_access: Gitlab::Access::MASTER
      )

      second_group.add_master(second_developer)
    end

    it 'returns correct roles for different users' do
      expect(project.team.max_member_access_for_user_ids(users)).to eq(expected)
    end
  end

  describe '#max_member_access_for_user_ids' do
    context 'with RequestStore enabled' do
      before do
        RequestStore.begin!
      end

      after do
        RequestStore.end!
        RequestStore.clear!
      end

      include_examples 'max member access for users'

      def access_levels(users)
        project.team.max_member_access_for_user_ids(users)
      end

      it 'does not perform extra queries when asked for users who have already been found' do
        access_levels(users)

        expect { access_levels(users) }.not_to exceed_query_limit(0)

        expect(access_levels(users)).to eq(expected)
      end

      it 'only requests the extra users when uncached users are passed' do
        new_user = create(:user)
        second_new_user = create(:user)
        all_users = users + [new_user.id, second_new_user.id]

        expected_all = expected.merge(new_user.id => Gitlab::Access::NO_ACCESS,
                                      second_new_user.id => Gitlab::Access::NO_ACCESS)

        access_levels(users)

        queries = ActiveRecord::QueryRecorder.new { access_levels(all_users) }

        expect(queries.count).to eq(1)
        expect(queries.log_message).to match(/\W#{new_user.id}\W/)
        expect(queries.log_message).to match(/\W#{second_new_user.id}\W/)
        expect(queries.log_message).not_to match(/\W#{promoted_guest.id}\W/)
        expect(access_levels(all_users)).to eq(expected_all)
      end
    end

    context 'with RequestStore disabled' do
      include_examples 'max member access for users'
    end
  end
end
