private static void ResolveFieldSelection(
ObjectType type,
FieldNode fieldSelection,
Action <QueryError> reportError,
Dictionary <string, FieldSelection> fields)
{
NameString fieldName = fieldSelection.Name.Value;
if (type.Fields.TryGetField(fieldName, out ObjectField field))
{
string name = fieldSelection.Alias == null
? fieldSelection.Name.Value
: fieldSelection.Alias.Value;
if (fields.TryGetValue(name, out FieldSelection selection))
{
fields[name] = selection.Merge(fieldSelection);
}
else
{
fields.Add(name, FieldSelection.Create(
fieldSelection, field, name));
}
}
else
{
reportError(QueryError.CreateFieldError(
"Could not resolve the specified field.",
fieldSelection));
}
}
public void Coerce_InputObject_NonNullFieldIsNull()
{
// arrange
var variables = new Mock <IVariableCollection>();
ISchema schema = CreateSchema();
FieldNode fieldNode = CreateField("foo(a: { a: { } })");
var selection = FieldSelection.Create(
fieldNode,
schema.QueryType.Fields["foo"],
"foo");
var path = Path.New("bar");
// act
Action action = () =>
ArgumentValueBuilder.CoerceArgumentValues(
selection, variables.Object, path);
// assert
Assert.Throws <QueryException>(action).Errors.MatchSnapshot();
}
public void Coerce_NonNullString_ToAbc()
{
// arrange
var variables = new Mock <IVariableCollection>();
ISchema schema = CreateSchema();
FieldNode fieldNode = CreateField("bar(a: \"abc\")");
var selection = FieldSelection.Create(
fieldNode,
schema.QueryType.Fields["bar"],
"bar");
var path = Path.New("bar");
// act
Dictionary <string, ArgumentValue> arguments =
ArgumentValueBuilder.CoerceArgumentValues(
selection, variables.Object, path);
// assert
MatchSnapshot(arguments);
}
