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# frozen_string_literal: true
require 'spec_helper'
describe 'GraphQL' do
include GraphqlHelpers
let(:query) { graphql_query_for('echo', 'text' => 'Hello world' ) }
context 'logging' do
shared_examples 'logging a graphql query' do
let(:expected_params) do
{ query_string: query, variables: variables.to_s, duration_s: anything, depth: 1, complexity: 1 }
end
it 'logs a query with the expected params' do
expect(Gitlab::GraphqlLogger).to receive(:info).with(expected_params).once
post_graphql(query, variables: variables)
end
it 'does not instantiate any query analyzers' do # they are static and re-used
expect(GraphQL::Analysis::QueryComplexity).not_to receive(:new)
expect(GraphQL::Analysis::QueryDepth).not_to receive(:new)
2.times { post_graphql(query, variables: variables) }
end
end
context 'with no variables' do
let(:variables) { {} }
it_behaves_like 'logging a graphql query'
end
context 'with variables' do
let(:variables) do
{ "foo" => "bar" }
end
it_behaves_like 'logging a graphql query'
end
context 'when there is an error in the logger' do
before do
allow_any_instance_of(Gitlab::Graphql::QueryAnalyzers::LoggerAnalyzer).to receive(:process_variables).and_raise(StandardError.new("oh noes!"))
end
it 'logs the exception in Sentry and continues with the request' do
expect(Gitlab::ErrorTracking).to receive(:track_and_raise_for_dev_exception).at_least(:once)
expect(Gitlab::GraphqlLogger).to receive(:info)
post_graphql(query, variables: {})
end
end
end
context 'invalid variables' do
it 'returns an error' do
post_graphql(query, variables: "This is not JSON")
expect(response).to have_gitlab_http_status(:unprocessable_entity)
expect(json_response['errors'].first['message']).not_to be_nil
end
end
context 'authentication', :allow_forgery_protection do
let(:user) { create(:user) }
it 'allows access to public data without authentication' do
post_graphql(query)
expect(graphql_data['echo']).to eq('nil says: Hello world')
end
it 'does not authenticate a user with an invalid CSRF' do
login_as(user)
post_graphql(query, headers: { 'X-CSRF-Token' => 'invalid' })
expect(graphql_data['echo']).to eq('nil says: Hello world')
end
it 'authenticates a user with a valid session token' do
# Create a session to get a CSRF token from
login_as(user)
get('/')
post '/api/graphql', params: { query: query }, headers: { 'X-CSRF-Token' => response.session['_csrf_token'] }
expect(graphql_data['echo']).to eq("\"#{user.username}\" says: Hello world")
end
context 'token authentication' do
let(:token) { create(:personal_access_token) }
before do
stub_authentication_activity_metrics(debug: false)
end
it 'Authenticates users with a PAT' do
expect(authentication_metrics)
.to increment(:user_authenticated_counter)
.and increment(:user_session_override_counter)
.and increment(:user_sessionless_authentication_counter)
post_graphql(query, headers: { 'PRIVATE-TOKEN' => token.token })
expect(graphql_data['echo']).to eq("\"#{token.user.username}\" says: Hello world")
end
context 'when the personal access token has no api scope' do
it 'does not log the user in' do
token.update(scopes: [:read_user])
post_graphql(query, headers: { 'PRIVATE-TOKEN' => token.token })
expect(response).to have_gitlab_http_status(:ok)
expect(graphql_data['echo']).to eq('nil says: Hello world')
end
end
end
end
describe 'testing for Gitaly calls' do
let(:project) { create(:project, :repository) }
let(:user) { create(:user) }
let(:query) do
graphql_query_for('project', { 'fullPath' => project.full_path }, %w(id))
end
before do
project.add_developer(user)
end
it_behaves_like 'a working graphql query' do
before do
post_graphql(query, current_user: user)
end
end
context 'when Gitaly is called' do
before do
allow(Gitlab::GitalyClient).to receive(:get_request_count).and_return(1, 2)
end
it "logs a warning that the 'calls_gitaly' field declaration is missing" do
expect(Gitlab::ErrorTracking).to receive(:track_and_raise_for_dev_exception).once
post_graphql(query, current_user: user)
end
end
end
describe 'resolver complexity' do
let_it_be(:project) { create(:project, :public) }
let(:query) do
graphql_query_for(
'project',
{ 'fullPath' => project.full_path },
query_graphql_field(resource, {}, 'edges { node { iid } }')
)
end
before do
stub_const('GitlabSchema::DEFAULT_MAX_COMPLEXITY', 6)
end
context 'when fetching single resource' do
let(:resource) { 'issues(first: 1)' }
it 'processes the query' do
post_graphql(query)
expect(graphql_errors).to be_nil
end
end
context 'when fetching too many resources' do
let(:resource) { 'issues(first: 100)' }
it 'returns an error' do
post_graphql(query)
expect_graphql_errors_to_include(/which exceeds max complexity/)
end
end
end
end
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