Files
grecia/spec/controllers/graphql_controller_spec.rb
2016-11-27 13:50:01 +01:00

74 lines
2.0 KiB
Ruby

require 'rails_helper'
require 'http'
describe GraphqlController do
let(:uri) { URI::HTTP.build(host: 'localhost', path: '/graphql', port: 3000) }
let(:query_string) { "" }
let(:body) { {query: query_string}.to_json }
describe "POST requests" do
let(:author) { create(:user) }
let(:proposal) { create(:proposal, author: author) }
let(:response) { HTTP.headers('Content-Type' => 'application/json').post(uri, body: body) }
let(:response_body) { JSON.parse(response.body) }
context "when query string is valid" do
let(:query_string) { "{ proposal(id: #{proposal.id}) { title, author { username } } }" }
let(:returned_proposal) { response_body['data']['proposal'] }
it "returns HTTP 200 OK" do
expect(response.code).to eq(200)
end
it "returns first-level fields" do
expect(returned_proposal['title']).to eq(proposal.title)
end
it "returns nested fields" do
expect(returned_proposal['author']['username']).to eq(author.username)
end
end
context "when query string asks for invalid fields" do
let(:query_string) { "{ proposal(id: #{proposal.id}) { missing_field } }" }
it "returns HTTP 200 OK" do
expect(response.code).to eq(200)
end
it "doesn't return any data" do
expect(response_body['data']).to be_nil
end
it "returns error inside body" do
expect(response_body['errors']).to be_present
end
end
context "when query string is not valid" do
let(:query_string) { "invalid" }
it "returns HTTP 400 Bad Request" do
expect(response.code).to eq(400)
end
end
context "when query string is missing" do
let(:query_string) { nil }
it "returns HTTP 400 Bad Request" do
expect(response.code).to eq(400)
end
end
context "when body is missing" do
let(:body) { nil }
it "returns HTTP 400 Bad Request" do
expect(response.code).to eq(400)
end
end
end
end