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# frozen_string_literal: true
require 'spec_helper'
describe 'Gitlab::Graphql::Authorization' do
set(:user) { create(:user) }
let(:permission_single) { :foo }
let(:permission_collection) { [:foo, :bar] }
let(:test_object) { double(name: 'My name') }
let(:query_string) { '{ object() { name } }' }
let(:result) { execute_query(query_type)['data'] }
subject { result['object'] }
shared_examples 'authorization with a single permission' do
it 'returns the protected field when user has permission' do
permit(permission_single)
expect(subject).to eq('name' => test_object.name)
end
it 'returns nil when user is not authorized' do
expect(subject).to be_nil
end
end
shared_examples 'authorization with a collection of permissions' do
it 'returns the protected field when user has all permissions' do
permit(*permission_collection)
expect(subject).to eq('name' => test_object.name)
end
it 'returns nil when user only has one of the permissions' do
permit(permission_collection.first)
expect(subject).to be_nil
end
it 'returns nil when user only has none of the permissions' do
expect(subject).to be_nil
end
end
before do
# By default, disallow all permissions.
allow(Ability).to receive(:allowed?).and_return(false)
end
describe 'Field authorizations' do
let(:type) { type_factory }
describe 'with a single permission' do
let(:query_type) do
query_factory do |query|
query.field :object, type, null: true, resolve: ->(obj, args, ctx) { test_object }, authorize: permission_single
end
end
include_examples 'authorization with a single permission'
end
describe 'with a collection of permissions' do
let(:query_type) do
permissions = permission_collection
query_factory do |qt|
qt.field :object, type, null: true, resolve: ->(obj, args, ctx) { test_object } do
authorize permissions
end
end
end
include_examples 'authorization with a collection of permissions'
end
end
describe 'Field authorizations when field is a built in type' do
let(:query_type) do
query_factory do |query|
query.field :object, type, null: true, resolve: ->(obj, args, ctx) { test_object }
end
end
describe 'with a single permission' do
let(:type) do
type_factory do |type|
type.field :name, GraphQL::STRING_TYPE, null: true, authorize: permission_single
end
end
it 'returns the protected field when user has permission' do
permit(permission_single)
expect(subject).to eq('name' => test_object.name)
end
it 'returns nil when user is not authorized' do
expect(subject).to eq('name' => nil)
end
end
describe 'with a collection of permissions' do
let(:type) do
permissions = permission_collection
type_factory do |type|
type.field :name, GraphQL::STRING_TYPE, null: true do
authorize permissions
end
end
end
it 'returns the protected field when user has all permissions' do
permit(*permission_collection)
expect(subject).to eq('name' => test_object.name)
end
it 'returns nil when user only has one of the permissions' do
permit(permission_collection.first)
expect(subject).to eq('name' => nil)
end
it 'returns nil when user only has none of the permissions' do
expect(subject).to eq('name' => nil)
end
end
end
describe 'Type authorizations' do
let(:query_type) do
query_factory do |query|
query.field :object, type, null: true, resolve: ->(obj, args, ctx) { test_object }
end
end
describe 'with a single permission' do
let(:type) do
type_factory do |type|
type.authorize permission_single
end
end
include_examples 'authorization with a single permission'
end
describe 'with a collection of permissions' do
let(:type) do
type_factory do |type|
type.authorize permission_collection
end
end
include_examples 'authorization with a collection of permissions'
end
end
describe 'type and field authorizations together' do
let(:permission_1) { permission_collection.first }
let(:permission_2) { permission_collection.last }
let(:type) do
type_factory do |type|
type.authorize permission_1
end
end
let(:query_type) do
query_factory do |query|
query.field :object, type, null: true, resolve: ->(obj, args, ctx) { test_object }, authorize: permission_2
end
end
include_examples 'authorization with a collection of permissions'
end
describe 'type authorizations when applied to a relay connection' do
let(:query_string) { '{ object() { edges { node { name } } } }' }
let(:type) do
type_factory do |type|
type.authorize permission_single
end
end
let(:query_type) do
query_factory do |query|
query.field :object, type.connection_type, null: true, resolve: ->(obj, args, ctx) { [test_object] }
end
end
subject { result.dig('object', 'edges') }
it 'returns the protected field when user has permission' do
permit(permission_single)
expect(subject).not_to be_empty
expect(subject.first['node']).to eq('name' => test_object.name)
end
it 'returns nil when user is not authorized' do
expect(subject).to be_empty
end
end
describe 'type authorizations when applied to a basic connection' do
let(:type) do
type_factory do |type|
type.authorize permission_single
end
end
let(:query_type) do
query_factory do |query|
query.field :object, [type], null: true, resolve: ->(obj, args, ctx) { [test_object] }
end
end
subject { result['object'].first }
include_examples 'authorization with a single permission'
end
describe 'when connections do not follow the correct specification' do
let(:query_string) { '{ object() { edges { node { name }} } }' }
let(:type) do
bad_node = type_factory do |type|
type.graphql_name 'BadNode'
type.field :bad_node, GraphQL::STRING_TYPE, null: true
end
type_factory do |type|
type.field :edges, [bad_node], null: true
end
end
let(:query_type) do
query_factory do |query|
query.field :object, type, null: true
end
end
it 'throws an error' do
expect { result }.to raise_error(Gitlab::Graphql::Errors::ConnectionDefinitionError)
end
end
private
def permit(*permissions)
permissions.each do |permission|
allow(Ability).to receive(:allowed?).with(user, permission, test_object).and_return(true)
end
end
def type_factory
Class.new(Types::BaseObject) do
graphql_name 'TestType'
field :name, GraphQL::STRING_TYPE, null: true
yield(self) if block_given?
end
end
def query_factory
Class.new(Types::BaseObject) do
graphql_name 'TestQuery'
yield(self) if block_given?
end
end
def execute_query(query_type)
schema = Class.new(GraphQL::Schema) do
use Gitlab::Graphql::Authorize
query(query_type)
end
schema.execute(
query_string,
context: { current_user: user },
variables: {}
)
end
end
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