6e88031537
Metrics/LineLength: Line is too long. RSpec/InstanceVariable: Use let instead of an instance variable. Layout/TrailingBlankLines: Final newline missing. Style/StringLiterals: Prefer double-quoted strings.
94 lines
3.1 KiB
Ruby
94 lines
3.1 KiB
Ruby
require "rails_helper"
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# Useful resource: http://graphql.org/learn/serving-over-http/
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def parser_error_raised?(response)
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data_is_empty = response["data"].nil?
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error_is_present = (JSON.parse(response.body)["errors"].first["message"] =~ /^Parse error on/)
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data_is_empty && error_is_present
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end
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describe GraphqlController, type: :request do
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let(:proposal) { create(:proposal) }
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describe "handles GET request" do
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specify "with query string inside query params" do
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get "/graphql", params: { query: "{ proposal(id: #{proposal.id}) { title } }" }
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expect(response).to have_http_status(:ok)
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expect(JSON.parse(response.body)["data"]["proposal"]["title"]).to eq(proposal.title)
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end
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specify "with malformed query string" do
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get "/graphql", params: { query: "Malformed query string" }
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expect(response).to have_http_status(:ok)
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expect(parser_error_raised?(response)).to be_truthy
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end
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specify "without query string" do
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get "/graphql"
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expect(response).to have_http_status(:bad_request)
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expect(JSON.parse(response.body)["message"]).to eq("Query string not present")
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end
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end
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describe "handles POST request" do
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let(:json_headers) { { "CONTENT_TYPE" => "application/json" } }
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specify "with json-encoded query string inside body" do
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post "/graphql", params: { query: "{ proposal(id: #{proposal.id}) { title } }" }.to_json,
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headers: json_headers
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expect(response).to have_http_status(:ok)
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expect(JSON.parse(response.body)["data"]["proposal"]["title"]).to eq(proposal.title)
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end
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specify "with raw query string inside body" do
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graphql_headers = { "CONTENT_TYPE" => "application/graphql" }
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post "/graphql", params: "{ proposal(id: #{proposal.id}) { title } }",
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headers: graphql_headers
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expect(response).to have_http_status(:ok)
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expect(JSON.parse(response.body)["data"]["proposal"]["title"]).to eq(proposal.title)
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end
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specify "with malformed query string" do
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post "/graphql", params: { query: "Malformed query string" }.to_json, headers: json_headers
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expect(response).to have_http_status(:ok)
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expect(parser_error_raised?(response)).to be_truthy
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end
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it "without query string" do
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post "/graphql", headers: json_headers
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expect(response).to have_http_status(:bad_request)
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expect(JSON.parse(response.body)["message"]).to eq("Query string not present")
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end
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end
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describe "correctly parses query variables" do
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let(:query_string) { "{ proposal(id: #{proposal.id}) { title } }" }
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specify "when absent" do
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get "/graphql", params: { query: query_string }
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expect(response).to have_http_status(:ok)
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end
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specify "when specified as the 'null' string" do
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get "/graphql", params: { query: query_string, variables: "null" }
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expect(response).to have_http_status(:ok)
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end
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specify "when specified as an empty string" do
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get "/graphql", params: { query: query_string, variables: "" }
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expect(response).to have_http_status(:ok)
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end
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end
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end
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