public void IsInputType(INamedType type)
{
/* Given */
/* When */
var isInput = TypeIs.IsInputType(type);
var isInputAsNonNull = TypeIs.IsInputType(
new NonNull(type));
var isInputAsList = TypeIs.IsInputType(
new List(type));
/* Then */
Assert.True(isInput);
Assert.True(isInputAsNonNull);
Assert.True(isInputAsList);
}
public InputObjectField(
IType type,
string description = null,
object defaultValue = null,
IEnumerable <DirectiveInstance> directives = null)
{
if (!TypeIs.IsInputType(type))
{
throw new ArgumentOutOfRangeException(
$" Type '{type}' is not valid input type");
}
Type = type;
Description = description ?? string.Empty;
DefaultValue = defaultValue;
_directives = new DirectiveList(directives);
}
public static IReadOnlyDictionary <string, object?> CoerceVariableValues(
ISchema schema,
OperationDefinition operation,
Dictionary <string, object> variableValues)
{
var coercedValues = new Dictionary <string, object?>();
var variableDefinitions = operation.VariableDefinitions;
if (variableDefinitions == null)
{
return(coercedValues);
}
foreach (var variableDefinition in variableDefinitions)
{
var variableName = variableDefinition.Variable.Name;
var variableType = variableDefinition.Type;
// should be assert?
if (!TypeIs.IsInputType(schema, variableType))
{
throw new VariableException("Variable is not of input type", variableName, variableType);
}
var defaultValue = variableDefinition.DefaultValue?.Value;
var hasValue = variableValues.ContainsKey(variableName);
var value = hasValue ? variableValues[variableName] : null;
if (!hasValue && defaultValue != null)
{
coercedValues[variableName] = Values.CoerceValue(
schema,
defaultValue,
variableType);
;
}
if (variableType is NonNullType &&
(!hasValue || value == null))
{
throw new ValueCoercionException(
$"Variable {variableName} type is non-nullable but value is null or not set",
value,
variableType);
}
if (hasValue)
{
if (value == null)
{
coercedValues[variableName] = null;
}
else
{
coercedValues[variableName] = Values.CoerceValue(
schema,
value,
variableType);
}
}
}
return(coercedValues);
}
