public async Task Collect_Second_Level_Fragments()
{
// arrange
var schema =
await new ServiceCollection()
.AddStarWarsRepositories()
.AddGraphQL()
.AddStarWars()
.BuildSchemaAsync();
var character = schema.GetType <InterfaceType>("Character");
var document =
Utf8GraphQLParser.Parse(@"
{
hero(episode: NEW_HOPE) {
name
... on Droid {
primaryFunction
}
}
}");
var operation = document
.Definitions
.OfType <OperationDefinitionNode>()
.First();
var secondLevel = operation
.SelectionSet
.Selections
.OfType <FieldNode>()
.First();
// act
SelectionSetVariants selectionSetVariants =
new FieldCollector(schema, document)
.CollectFields(secondLevel.SelectionSet !, character, Path.Root.Append("hero"));
// assert
Assert.Collection(
selectionSetVariants.ReturnType.Fields,
field => Assert.Equal("name", field.ResponseName));
Assert.Equal("Character", selectionSetVariants.ReturnType.Type.Name.Value);
Assert.Equal("Human", selectionSetVariants.Variants[0].Type.Name.Value);
Assert.Equal("Droid", selectionSetVariants.Variants[1].Type.Name.Value);
Assert.Collection(
selectionSetVariants.Variants[1].FragmentNodes,
fragmentNode => Assert.Equal(FragmentKind.Inline, fragmentNode.Fragment.Kind));
}
public async Task Collect_First_Level_No_Fragments()
{
// arrange
var schema =
await new ServiceCollection()
.AddStarWarsRepositories()
.AddGraphQL()
.AddStarWars()
.BuildSchemaAsync();
var document =
Utf8GraphQLParser.Parse(@"
{
hero(episode: NEW_HOPE) {
name
... on Droid {
primaryFunction
}
}
}");
var operation = document
.Definitions
.OfType <OperationDefinitionNode>()
.First();
// act
SelectionSetVariants selectionSetVariants =
new FieldCollector(schema, document)
.CollectFields(operation.SelectionSet, schema.QueryType, Path.Root);
// assert
Assert.Collection(
selectionSetVariants.ReturnType.Fields,
field => Assert.Equal("hero", field.ResponseName));
}
private static IReadOnlyList <OutputFieldModel> CreateFields(
IComplexOutputType type,
IEnumerable <ISelectionNode> selections,
Func <string, bool> addField,
Path path)
{
var fields = new Dictionary <string, FieldSelection>();
foreach (FieldNode selection in selections.OfType <FieldNode>())
{
NameString responseName = selection.Alias == null
? selection.Name.Value
: selection.Alias.Value;
if (addField(responseName))
{
FieldCollector.ResolveFieldSelection(
type,
selection,
path,
fields);
}
}
return(fields.Values.Select(t =>
{
string responseName = (t.Selection.Alias ?? t.Selection.Name).Value;
return new OutputFieldModel(
t.ResponseName,
t.Field.Description,
t.Field,
t.Field.Type,
t.Selection,
path.Append(responseName));
}).ToList());
}