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Add ambiguity test #169

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30 changes: 30 additions & 0 deletions src/GraphQLParser.Tests/Issue127.cs
Original file line number Diff line number Diff line change
@@ -0,0 +1,30 @@
using GraphQLParser.AST;
using Shouldly;
using Xunit;

namespace GraphQLParser.Tests;

// https://github.com/graphql-dotnet/parser/issues/127
// https://github.com/graphql/graphql-spec/pull/598
public class Issue127
{
[Theory]
[InlineData(IgnoreOptions.None)]
[InlineData(IgnoreOptions.Comments)]
[InlineData(IgnoreOptions.Locations)]
[InlineData(IgnoreOptions.All)]
public void Should_Parse_Single_Interface(IgnoreOptions options)
{
// https://github.com/graphql/graphql-spec/pull/598#issuecomment-815439917
string query = @"interface Foo

{ alpha: beta }";
using var document = query.Parse(new ParserOptions { Ignore = options });
document.ShouldNotBeNull();
document.Definitions.Count.ShouldBe(1);
var def = document.Definitions[0].ShouldBeAssignableTo<GraphQLInterfaceTypeDefinition>();
def.Fields.Count.ShouldBe(1);
def.Fields[0].Name.Value.ShouldBe("alpha");
def.Fields[0].Type.ShouldBeAssignableTo<GraphQLNamedType>().Name.Value.ShouldBe("beta");
}
}