public async Task Union_Fragment_Definition()
{
// arrange
var path = HotChocolate.Path.New("root");
DocumentNode document = Utf8GraphQLParser.Parse(
@"
query search {
search(text: ""foo"") {
... SomeHuman
... SomeDroid
... SomeStarship
}
}
fragment SomeHuman on Human {
homePlanet
}
fragment SomeDroid on Droid {
primaryFunction
}
fragment SomeStarship on Starship {
name
}
");
var operation = document.Definitions
.OfType <OperationDefinitionNode>()
.First();
var field = operation.SelectionSet.Selections
.OfType <FieldNode>()
.First();
var query = new QueryDescriptor(
"Simple_Query",
"Foo.Bar.Ns",
"1234",
"12345",
new byte[] { 1, 2, 3 },
document);
var schema = SchemaBuilder.New()
.AddDocumentFromString(FileResource.Open("StarWars.graphql"))
.Use(next => context => Task.CompletedTask)
.Create();
var context = new ModelGeneratorContext(
schema,
query,
"StarWarsClient",
"Foo.Bar.Ns");
var character = schema.GetType <UnionType>("SearchResult");
// act
var generator = new UnionModelGenerator();
generator.Generate(
context,
operation,
character,
character,
field,
context.CollectFields(character, field.SelectionSet, path),
path);
// assert
var typeLookup = new TypeLookup(
LanguageVersion.CSharp_8_0,
CollectFieldsVisitor.MockLookup(document, context.FieldTypes));
string output = await WriteAllAsync(context.Descriptors, typeLookup);
output.MatchSnapshot();
}