Files
nairobi/spec/controllers/graphql_controller_spec.rb

92 lines
2.9 KiB
Ruby

require 'rails_helper'
# Useful resource: http://graphql.org/learn/serving-over-http/
def parser_error_raised?(response)
data_is_empty = response['data'].nil?
error_is_present = (JSON.parse(response.body)['errors'].first['message'] =~ /^Parse error on/)
data_is_empty && error_is_present
end
describe GraphqlController, type: :request do
let(:proposal) { create(:proposal) }
describe "handles GET request" do
specify "with query string inside query params" do
get '/graphql', query: "{ proposal(id: #{proposal.id}) { title } }"
expect(response).to have_http_status(:ok)
expect(JSON.parse(response.body)['data']['proposal']['title']).to eq(proposal.title)
end
specify "with malformed query string" do
get '/graphql', query: 'Malformed query string'
expect(response).to have_http_status(:ok)
expect(parser_error_raised?(response)).to be_truthy
end
specify "without query string" do
get '/graphql'
expect(response).to have_http_status(:bad_request)
expect(JSON.parse(response.body)['message']).to eq('Query string not present')
end
end
describe "handles POST request" do
let(:json_headers) { { "CONTENT_TYPE" => "application/json" } }
specify "with json-encoded query string inside body" do
post '/graphql', { query: "{ proposal(id: #{proposal.id}) { title } }" }.to_json, json_headers
expect(response).to have_http_status(:ok)
expect(JSON.parse(response.body)['data']['proposal']['title']).to eq(proposal.title)
end
specify "with raw query string inside body" do
graphql_headers = { "CONTENT_TYPE" => "application/graphql" }
post '/graphql', "{ proposal(id: #{proposal.id}) { title } }", graphql_headers
expect(response).to have_http_status(:ok)
expect(JSON.parse(response.body)['data']['proposal']['title']).to eq(proposal.title)
end
specify "with malformed query string" do
post '/graphql', { query: "Malformed query string" }.to_json, json_headers
expect(response).to have_http_status(:ok)
expect(parser_error_raised?(response)).to be_truthy
end
it "without query string" do
post '/graphql', json_headers
expect(response).to have_http_status(:bad_request)
expect(JSON.parse(response.body)['message']).to eq('Query string not present')
end
end
describe "correctly parses query variables" do
let(:query_string) { "{ proposal(id: #{proposal.id}) { title } }" }
specify "when absent" do
get '/graphql', query: query_string
expect(response).to have_http_status(:ok)
end
specify "when specified as the 'null' string" do
get '/graphql', query: query_string, variables: 'null'
expect(response).to have_http_status(:ok)
end
specify "when specified as an empty string" do
get '/graphql', query: query_string, variables: ''
expect(response).to have_http_status(:ok)
end
end
end