protected virtual void Assert(JmesPathExpression expression, string input, string expected)
{
var json = JmesPath.ParseJson(input);
var result = expression.Transform(json);
var actual = result.AsJToken().AsString();
Xunit.Assert.Equal(expected, actual);
}
protected JToken Evaluate(JmesPathExpression expression, JToken token)
{
var eval = expression.Transform(token).AsJToken();
var type = eval.GetTokenType();
if (type != "number" && type != "string")
{
throw new Exception($"Error: invalid-type, the expression argument of function {Name} should return a number or a string.");
}
if (type == "number")
{
return(eval);
}
double number;
if (double.TryParse(eval.Value <string>(), out number))
{
return(new JValue(number));
}
throw new Exception("Error: invalid-type, when evaluating the expression argument of function {Name}, some items could not be cast to a number.");
}
protected override JmesPathArgument Transform(JToken json)
{
return(expression_.Transform(json));
}