public static ComparisonResult IsEqualTo(this IElementNavigator expected, IElementNavigator actual)
{
if (!namesEqual(expected.Name, actual.Name))
{
return(ComparisonResult.Fail(actual.Location, $"name: was '{actual.Name}', expected '{expected.Name}'"));
}
if (!valuesEqual(expected.Value, actual.Value))
{
return(ComparisonResult.Fail(actual.Location, $"value: was '{actual.Value}', expected '{expected.Value}'"));
}
// Allow the expected navigator to have more type info than the actual navigator
if (expected.Type != actual.Type && actual.Type != null)
{
return(ComparisonResult.Fail(actual.Location, $"type: was '{actual.Type}', expected '{expected.Type}'"));
}
if (expected.Location != actual.Location)
{
ComparisonResult.Fail(actual.Location, $"location: was '{actual.Location}', expected '{expected.Location}'");
}
// Ignore ordering (only relevant to xml)
var childrenExp = expected.Children().OrderBy(e => e.Name);
var childrenActual = actual.Children().OrderBy(e => e.Name).GetEnumerator();
// Don't compare lengths, as this would require complete enumeration of both collections
// just enumerate through the lists, comparing each item as they go.
// first fail (or list end) will drop out.
foreach (var exp in childrenExp)
{
if (!childrenActual.MoveNext())
{
ComparisonResult.Fail(actual.Location, $"number of children was different");
}
var result = exp.IsEqualTo(childrenActual.Current);
if (!result.Success)
{
return(result);
}
}
if (childrenActual.MoveNext())
{
ComparisonResult.Fail(actual.Location, $"number of children was different");
}
return(ComparisonResult.OK);
bool valuesEqual(object e, object a)
{
string eVal = e != null?PrimitiveTypeConverter.ConvertTo <string>(e) : null;
string aVal = a != null?PrimitiveTypeConverter.ConvertTo <string>(a) : null;
return(eVal == aVal);
}
bool namesEqual(string e, string a) => e == a || (a != null && e != null && (a.StartsWith(e)));
}
public static ComparisonResult IsEqualTo(this IElementNavigator expected, IElementNavigator actual)
{
if (!valuesEqual(expected.Value, actual.Value))
{
return(ComparisonResult.Fail(actual.Location, $"value: was '{actual.Value}', expected '{expected.Value}'"));
}
if (!namesEqual(expected.Name, actual.Name))
{
return(ComparisonResult.Fail(actual.Location, $"name: was '{actual.Name}', expected '{expected.Name}'"));
}
// Allow the expected navigator to have more type info than the actual navigator
if (expected.Type != actual.Type && actual.Type != null)
{
return(ComparisonResult.Fail(actual.Location, $"type: was '{actual.Type}', expected '{expected.Type}'"));
}
if (expected.Location != actual.Location)
{
ComparisonResult.Fail(actual.Location, $"location: was '{actual.Location}', expected '{expected.Location}'");
}
// Ignore ordering (only relevant to xml)
var childrenExp = expected.Children().OrderBy(e => e.Name).ToArray();
var childrenActual = actual.Children().OrderBy(e => e.Name).ToArray();
if (childrenExp.Length != childrenActual.Length)
{
ComparisonResult.Fail(actual.Location, $"number of children was {childrenActual.Length}, expected {childrenExp.Length}");
}
for (var index = 0; index < childrenExp.Length; index++)
{
var result = childrenExp[index].IsEqualTo(childrenActual[index]);
if (!result.Success)
{
return(result);
}
}
return(ComparisonResult.OK);
bool valuesEqual(object e, object a)
{
string eVal = e != null?PrimitiveTypeConverter.ConvertTo <string>(e) : null;
string aVal = a != null?PrimitiveTypeConverter.ConvertTo <string>(a) : null;
return(eVal == aVal);
}
bool namesEqual(string e, string a) => e == a || (a != null && e != null && (a.StartsWith(e)));
}
