public async Task EntityUnion_has_possible_type_with_key_directive()
{
/* Given */
var builder = new SchemaBuilder()
.Add(@"
type Person @key(fields: ""id"") {
id: ID!
}");
/* When */
var schema = await builder.BuildSubgraph(new FederatedSchemaBuildOptions());
var entityUnion = schema.GetRequiredNamedType <UnionDefinition>("_Entity");
var entities = schema.GetPossibleTypes(entityUnion);
/* Then */
Assert.Single(entities, obj => obj.Name == "Person");
}
public async Task EntityUnion_does_not_contain_object_without_key_directive()
{
/* Given */
var builder = new SchemaBuilder()
.Add(@"
type Person @key(fields: ""id"") {
id: ID!
}
type Address {
street: String
}");
/* When */
var schema = await builder.BuildSubgraph(new FederatedSchemaBuildOptions());
var entityUnion = schema.GetRequiredNamedType <UnionDefinition>("_Entity");
var entities = schema.GetPossibleTypes(entityUnion)
.ToList();
/* Then */
Assert.Single(entities);
}
