Extensions should be checked based on ContainingMessage,
rather than the Parent. Add tests to ensure this works.
Change-Id: Iaf257f65197fb8d332039bc77a192753f8c4159f
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/221426
Reviewed-by: Damien Neil <dneil@google.com>
For user convenience, automatically transform message values by
shallow copying them if necessary. Storing messages as values is
frowned upon, but is sometimes done by APIs that a user does not own.
Change-Id: I7e927d1a1e050bf4cea1aa889f56d23e99355f26
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/221423
Reviewed-by: Damien Neil <dneil@google.com>
By having the Message type implement proto.Message, it can be passed
to other general-purpose protobuf functions such as proto.Merge.
This provides a convenient way to convert the Message back into a
concrete form that may be easier to work with.
A minor consequence of this change is that invalid messages are
converted to an invalid Message that preserves type information.
Previously, they were simply transformed to a nil Message.
Change-Id: I6fca8a0879408c7f44a99d52734613302fa23f70
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/221422
Reviewed-by: Damien Neil <dneil@google.com>
The v1 proto.Equal function treats (*Message)(nil) and new(Message)
as being different, while v2 proto.Equal treated them as equal since
a typed nil pointer is functionally an empty message since the
protobuf data model has no concept of presence as a first-class
property of messages.
Unfortunately, a significant amount of code depends on this distinction
that it would be difficult to migrate users from v1 to v2 unless we
preserved similar semantics in the v2 proto.Equal.
Also, double down on these semantics for protocmp.Transform.
Fixes#965
Change-Id: I21e78ba6251401a0ac0ccf495188093973cd7f3f
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/213238
Reviewed-by: Damien Neil <dneil@google.com>
This CL adds the following helper options:
func IgnoreEnums(...protoreflect.Enum) cmp.Option
func IgnoreMessages(...proto.Message) cmp.Option
func IgnoreFields(proto.Message, ...protoreflect.Name) cmp.Option
func IgnoreOneofs(proto.Message, ...protoreflect.Name) cmp.Option
func IgnoreDescriptors(...protoreflect.Descriptor) cmp.Option
func IgnoreDefaultScalars() cmp.Option
func IgnoreEmptyMessages() cmp.Option
func IgnoreUnknown() cmp.Option
It also augments transformMessage to unmarshal and expand Any messages
with the value of the underlying message. At this moment in time
we do not provide an API to provide a custom type resolver.
Change-Id: I51e1d9ff0d56d71161e510f366a7dcc32236d760
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/204577
Reviewed-by: Damien Neil <dneil@google.com>
Accessing Number as a method, rather than a field paves the
way to have Enum potentially implement protoreflect.Enum
in the future.
Change-Id: Iebe9c0ec12e067decf2121d12fe2fb1549477b32
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/207077
Reviewed-by: Damien Neil <dneil@google.com>
High-level API:
func Transform() cmp.Option
type Enum struct{ ... }
type Message map[string]interface{}
The Transform function transform messages into a Message type that
cmp.Equal and cmp.Diff then knows how to traverse and compare.
Change-Id: I445f3b5c69f054b6984f28c205cda69e44af3b89
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/164680
Reviewed-by: Damien Neil <dneil@google.com>
