# frozen_string_literal: true
require "spec_helper"

describe GraphQL::Language::Parser do
  subject { GraphQL::Language::Parser }

  describe "anonymous fragment extension" do
    let(:document) { GraphQL.parse(query_string) }
    let(:query_string) {%|
      fragment on NestedType @or(something: "ok") {
        anotherNestedField
      }
    |}

    let(:fragment) { document.definitions.first }

    it "creates an anonymous fragment definition" do
      assert fragment.is_a?(GraphQL::Language::Nodes::FragmentDefinition)
      assert_equal nil, fragment.name
      assert_equal 1, fragment.selections.length
      assert_equal "NestedType", fragment.type.name
      assert_equal 1, fragment.directives.length
      assert_equal [2, 7], fragment.position
    end
  end

  it "parses empty arguments" do
    strings = [
      "{ field { inner } }",
      "{ field() { inner }}",
    ]
    strings.each do |query_str|
      doc = subject.parse(query_str)
      field = doc.definitions.first.selections.first
      assert_equal 0, field.arguments.length
      assert_equal 1, field.selections.length
    end
  end

  it "parses the test schema" do
    schema = Dummy::Schema
    schema_string = GraphQL::Schema::Printer.print_schema(schema)
    document = subject.parse(schema_string)
    assert_equal schema_string, document.to_query_string
  end
end