public void ToString_Invalid_Precise()
{
var mask = new FieldMask { Paths = { "x", "foo__bar", @"x\y" } };
Assert.AreEqual(
"{ \"@warning\": \"Invalid FieldMask\", \"paths\": [ \"x\", \"foo__bar\", \"x\\\\y\" ] }",
mask.ToString());
}
public void ToString_Invalid(string input)
{
var mask = new FieldMask { Paths = { input } };
var text = mask.ToString();
// More specific test below
Assert.That(text, Does.Contain("@warning"));
Assert.That(text, Does.Contain(input));
}
/// <summary>
/// Constructs a FieldMask from the passed field numbers.
/// </summary>
/// <typeparam name="T">The type to validate the field paths against.</typeparam>
public static FieldMask FromFieldNumbers <T>(IEnumerable <int> fieldNumbers) where T : IMessage
{
var descriptor = Activator.CreateInstance <T>().Descriptor;
var mask = new FieldMask();
foreach (var fieldNumber in fieldNumbers)
{
var field = descriptor.FindFieldByNumber(fieldNumber);
if (field == null)
{
throw new ArgumentNullException($"{fieldNumber} is not a valid field number for {descriptor.Name}");
}
mask.Paths.Add(field.Name);
}
return(mask);
}
/// <summary>
/// Constructs a FieldMask for a list of field paths in a certain type.
/// </summary>
/// <typeparam name="T">The type to validate the field paths against.</typeparam>
public static FieldMask FromStringEnumerable <T>(IEnumerable <string> paths) where T : IMessage
{
var mask = new FieldMask();
foreach (var path in paths)
{
if (path.Length == 0)
{
// Ignore empty field paths.
continue;
}
if (typeof(T) != typeof(Empty) &&
!IsValid <T>(path))
{
throw new InvalidProtocolBufferException(path + " is not a valid path for " + typeof(T));
}
mask.Paths.Add(path);
}
return(mask);
}
public void FieldMaskStandalone()
{
var fieldMask = new FieldMask { Paths = { "", "single", "with_underscore", "nested.field.name", "nested..double_dot" } };
Assert.AreEqual(",single,withUnderscore,nested.field.name,nested..doubleDot", fieldMask.ToString());
// Invalid, but we shouldn't create broken JSON...
fieldMask = new FieldMask { Paths = { "x\\y" } };
Assert.AreEqual(@"x\\y", fieldMask.ToString());
}
public void FieldMaskInvalid(string input)
{
var mask = new FieldMask { Paths = { input } };
Assert.Throws<InvalidOperationException>(() => JsonFormatter.Default.Format(mask));
}
public void FromString_Validated()
{
// Check whether the field paths are valid if a class parameter is provided.
Assert.DoesNotThrow(() => FieldMask.FromString <NestedTestAllTypes>(",payload"));
Assert.Throws <InvalidProtocolBufferException>(() => FieldMask.FromString <NestedTestAllTypes>("payload,nonexist"));
}
/// <summary>
/// Checks whether paths in a given fields mask are valid.
/// </summary>
/// <typeparam name="T">The type to validate the field paths against.</typeparam>
public static bool IsValid <T>(FieldMask fieldMask) where T : IMessage
{
var descriptor = Activator.CreateInstance <T>().Descriptor;
return(IsValid(descriptor, fieldMask));
}
/// <summary>
/// Checks whether paths in a given fields mask are valid.
/// </summary>
/// <typeparam name="T">The type to validate the field paths against.</typeparam>
public static bool IsValid <[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] T>(FieldMask fieldMask) where T : IMessage
{
var descriptor = Activator.CreateInstance <T>().Descriptor;
return(IsValid(descriptor, fieldMask));
}