require 'spec_helper' describe GroupChildSerializer do let(:request) { double('request') } let(:user) { create(:user) } subject(:serializer) { described_class.new(current_user: user) } describe '#represent' do context 'for groups' do it 'can render a single group' do expect(serializer.represent(build(:group))).to be_kind_of(Hash) end it 'can render a collection of groups' do expect(serializer.represent(build_list(:group, 2))).to be_kind_of(Array) end end context 'with a hierarchy', :nested_groups do let(:parent) { create(:group) } subject(:serializer) do described_class.new(current_user: user).expand_hierarchy(parent) end it 'expands the subgroups' do subgroup = create(:group, parent: parent) subsub_group = create(:group, parent: subgroup) json = serializer.represent([subgroup, subsub_group]).first subsub_group_json = json[:children].first expect(json[:id]).to eq(subgroup.id) expect(subsub_group_json).not_to be_nil expect(subsub_group_json[:id]).to eq(subsub_group.id) end it 'can render a nested tree' do subgroup1 = create(:group, parent: parent) subsub_group1 = create(:group, parent: subgroup1) subgroup2 = create(:group, parent: parent) json = serializer.represent([subgroup1, subsub_group1, subgroup1, subgroup2]) subgroup1_json = json.first subsub_group1_json = subgroup1_json[:children].first expect(json.size).to eq(2) expect(subgroup1_json[:id]).to eq(subgroup1.id) expect(subsub_group1_json[:id]).to eq(subsub_group1.id) end context 'without a specified parent' do subject(:serializer) do described_class.new(current_user: user).expand_hierarchy end it 'can render a tree' do subgroup = create(:group, parent: parent) json = serializer.represent([parent, subgroup]) parent_json = json.first expect(parent_json[:id]).to eq(parent.id) expect(parent_json[:children].first[:id]).to eq(subgroup.id) end end end context 'for projects' do it 'can render a single project' do expect(serializer.represent(build(:project))).to be_kind_of(Hash) end it 'can render a collection of projects' do expect(serializer.represent(build_list(:project, 2))).to be_kind_of(Array) end context 'with a hierarchy', :nested_groups do let(:parent) { create(:group) } subject(:serializer) do described_class.new(current_user: user).expand_hierarchy(parent) end it 'can render a nested tree' do subgroup1 = create(:group, parent: parent) project1 = create(:project, namespace: subgroup1) subgroup2 = create(:group, parent: parent) project2 = create(:project, namespace: subgroup2) json = serializer.represent([project1, project2, subgroup1, subgroup2]) project1_json, project2_json = json.map { |group_json| group_json[:children].first } expect(json.size).to eq(2) expect(project1_json[:id]).to eq(project1.id) expect(project2_json[:id]).to eq(project2.id) end it 'returns an array when an array of a single instance was given' do project = create(:project, namespace: parent) json = serializer.represent([project]) expect(json).to be_kind_of(Array) expect(json.size).to eq(1) end end end end end