Contents

require "spec_helper"

describe GraphQL::Schema do
  let(:schema) { DummySchema }

  describe "#rescue_from" do
    let(:rescue_middleware) { schema.middleware.first }

    it "adds handlers to the rescue middleware" do
      assert_equal(1, rescue_middleware.rescue_table.length)
      # normally, you'd use a real class, not a symbol:
      schema.rescue_from(:error_class) { "my custom message" }
      assert_equal(2, rescue_middleware.rescue_table.length)
    end
  end

  describe "#subscription" do
    it "calls fields on the subscription type" do
      res = schema.execute("subscription { test }")
      assert_equal("Test", res["data"]["test"])
    end
  end

  describe "#resolve_type" do
    describe "when the return value is nil" do
      it "returns nil" do
        result = StarWarsSchema.resolve_type(123, nil)
        assert_equal(nil, result)
      end
    end

    describe "when the return value is not a BaseType" do
      it "raises an error " do
        err = assert_raises(RuntimeError) {
          StarWarsSchema.resolve_type(:test_error, nil)
        }
        assert_includes err.message, "not_a_type (Symbol)"
      end
    end
  end
end

Version data entries

11 entries across 11 versions & 1 rubygems

Version	Path
graphql-0.18.15	spec/graphql/schema_spec.rb
graphql-0.18.14	spec/graphql/schema_spec.rb
graphql-0.18.13	spec/graphql/schema_spec.rb
graphql-0.18.12	spec/graphql/schema_spec.rb
graphql-0.18.11	spec/graphql/schema_spec.rb
graphql-0.18.10	spec/graphql/schema_spec.rb
graphql-0.18.9	spec/graphql/schema_spec.rb
graphql-0.18.8	spec/graphql/schema_spec.rb
graphql-0.18.7	spec/graphql/schema_spec.rb
graphql-0.18.6	spec/graphql/schema_spec.rb
graphql-0.18.5	spec/graphql/schema_spec.rb