/// <inheritdoc />
public bool Match(
HttpContext?httpContext,
IRouter?route,
string routeKey,
RouteValueDictionary values,
RouteDirection routeDirection)
{
if (routeKey == null)
{
throw new ArgumentNullException(nameof(routeKey));
}
if (values == null)
{
throw new ArgumentNullException(nameof(values));
}
if (values.TryGetValue(routeKey, out var obj) && obj != null)
{
var value = Convert.ToString(obj, CultureInfo.InvariantCulture);
return(!FileNameRouteConstraint.IsFileName(value));
}
// No value or null value.
//
// We want to return true here because the core use-case of the constraint is to *exclude*
// things that look like file names. There's nothing here that looks like a file name, so
// let it through.
return(true);
}
public void Match_MissingValue_IsNotFileName()
{
// Arrange
var constraint = new FileNameRouteConstraint();
var values = new RouteValueDictionary();
// Act
var result = constraint.Match(httpContext: null, route: null, "path", values, RouteDirection.IncomingRequest);
// Assert
Assert.False(result);
}
public void Match_RouteValue_IsFileName(object value)
{
// Arrange
var constraint = new FileNameRouteConstraint();
var values = new RouteValueDictionary();
values.Add("path", value);
// Act
var result = constraint.Match(httpContext: null, route: null, "path", values, RouteDirection.IncomingRequest);
// Assert
Assert.True(result);
}
bool IParameterLiteralNodeMatchingPolicy.MatchesLiteral(string parameterName, string literal)
{
return(!FileNameRouteConstraint.IsFileName(literal));
}