public T GetArgument <T>(string argumentName)
{
if (string.IsNullOrEmpty(argumentName))
{
throw new ArgumentNullException(nameof(argumentName));
}
Dictionary <string, ArgumentNode> arguments = GetArguments();
if (arguments.TryGetValue(argumentName, out ArgumentNode argValue) &&
Type.Arguments.TryGetField(argumentName, out InputField arg))
{
if (typeof(T).IsAssignableFrom(arg.Type.ClrType))
{
return((T)arg.Type.ParseLiteral(argValue.Value));
}
else
{
return(ValueDeserializer
.ParseLiteral <T>(arg.Type, argValue.Value));
}
}
throw new ArgumentException(
"The argument name is invalid.",
nameof(argumentName));
}
public void ParseScalarNullValue()
{
// arrange
var sourceType = new IntType();
var targetType = typeof(int);
NullValueNode literal = NullValueNode.Default;
// act
object result = ValueDeserializer
.ParseLiteral(sourceType, targetType, literal);
// assert
Assert.Null(result);
}
private void SetProperty(InputField argument, object obj, PropertyInfo property)
{
Dictionary <string, ArgumentNode> arguments = GetArguments();
if (arguments.TryGetValue(argument.Name,
out ArgumentNode argumentValue))
{
object parsedValue = ValueDeserializer.ParseLiteral(
argument.Type, property.PropertyType, argumentValue.Value);
ValueDeserializer.SetProperty(
property, argument.Type.IsListType(),
obj, parsedValue);
}
}
public void ParseScalarListToArray()
{
// arrange
var sourceType = new ListType(new IntType());
var targetType = typeof(int[]);
var literal = new ListValueNode(new IntValueNode("1"));
// act
object result = ValueDeserializer
.ParseLiteral(sourceType, targetType, literal);
// assert
Assert.IsType <int[]>(result);
Assert.Collection((int[])result, t => Assert.Equal(1, t));
}
public void ParseNonNullScalar()
{
// arrange
var sourceType = new NonNullType(new IntType());
var targetType = typeof(int);
IntValueNode literal = new IntValueNode("1");
// act
object result = ValueDeserializer
.ParseLiteral(sourceType, targetType, literal);
// assert
Assert.IsType <int>(result);
Assert.Equal(1, result);
}
public void ParseScalarAndConvert()
{
// arrange
var sourceType = new IntType();
var targetType = typeof(string);
var literal = new IntValueNode("1");
// act
object result = ValueDeserializer
.ParseLiteral(sourceType, targetType, literal);
// assert
Assert.IsType <string>(result);
Assert.Equal("1", result);
}
public void ParseAndMapObject()
{
// arrange
ISchema schema = CreateSchema();
var sourceType = schema.GetType <INamedInputType>("FooInput");
var targetType = typeof(FooOnlyBar1);
var literal = CreateFoo();
// act
FooOnlyBar1 result = ValueDeserializer
.ParseLiteral(sourceType, targetType, literal) as FooOnlyBar1;
// assert
Assert.NotNull(result);
Assert.Equal("123", result.Bar1);
}
public void ParseObjectGraph()
{
// arrange
ISchema schema = CreateSchema();
var sourceType = schema.GetType <INamedInputType>("BarInput");
var targetType = typeof(Bar);
var literal = CreateBar();
// act
Bar result = ValueDeserializer
.ParseLiteral(sourceType, targetType, literal)
as Bar;
// assert
Assert.NotNull(result);
Assert.NotNull(result.Foo);
Assert.Equal("123", result.Foo.Bar1);
Assert.Equal("456", result.Foo.Bar2);
}
public void ParseAndMapObjectGraphWithList()
{
// arrange
ISchema schema = CreateSchema();
var sourceType = schema.GetType <INamedInputType>(
"BarWithArrayInput");
var targetType = typeof(BarWithListOnlyGet);
var literal = CreateBarWithArray();
// act
BarWithListOnlyGet result = ValueDeserializer
.ParseLiteral(sourceType, targetType, literal)
as BarWithListOnlyGet;
// assert
Assert.NotNull(result);
Assert.NotNull(result.Foos);
Assert.Collection(result.Foos,
t =>
{
Assert.Equal("123", t.Bar1);
Assert.Equal("456", t.Bar2);
});
}