Add additional conformance tests targeted at wrapper types (#314)

Signed-off-by: Justin King <[email protected]>

Author: jcking

proto/test/v1/proto2/BUILD.bazel

@@ -14,6 +14,7 @@ proto_library(
     deps = [
         "@com_google_protobuf//:any_proto",
         "@com_google_protobuf//:duration_proto",
+        "@com_google_protobuf//:empty_proto",
         "@com_google_protobuf//:field_mask_proto",
         "@com_google_protobuf//:struct_proto",
         "@com_google_protobuf//:timestamp_proto",
@@ -33,6 +34,7 @@ go_proto_library(
     deps = [
         "@org_golang_google_protobuf//types/known/anypb:go_default_library",
         "@org_golang_google_protobuf//types/known/durationpb:go_default_library",
+        "@org_golang_google_protobuf//types/known/emptypb:go_default_library",
         "@org_golang_google_protobuf//types/known/fieldmaskpb:go_default_library",
         "@org_golang_google_protobuf//types/known/structpb:go_default_library",
         "@org_golang_google_protobuf//types/known/timestamppb:go_default_library",

proto/test/v1/proto2/test_all_types.proto

@@ -4,6 +4,7 @@ package google.api.expr.test.v1.proto2;
 
 import "google/protobuf/any.proto";
 import "google/protobuf/duration.proto";
+import "google/protobuf/empty.proto";
 import "google/protobuf/field_mask.proto";
 import "google/protobuf/struct.proto";
 import "google/protobuf/timestamp.proto";
@@ -67,6 +68,7 @@ message TestAllTypes {
   optional google.protobuf.NullValue null_value = 115;
   optional google.protobuf.NullValue optional_null_value = 116;
   optional google.protobuf.FieldMask field_mask = 117;
+  optional google.protobuf.Empty empty = 118;
 
   // Nested messages
   oneof nested_type {

proto/test/v1/proto2/test_all_types/test_all_types.pb.go

@@ -14,6 +14,7 @@ proto_library(
     deps = [
         "@com_google_protobuf//:any_proto",
         "@com_google_protobuf//:duration_proto",
+        "@com_google_protobuf//:empty_proto",
         "@com_google_protobuf//:field_mask_proto",
         "@com_google_protobuf//:struct_proto",
         "@com_google_protobuf//:timestamp_proto",
@@ -33,6 +34,7 @@ go_proto_library(
     deps = [
         "@org_golang_google_protobuf//types/known/anypb:go_default_library",
         "@org_golang_google_protobuf//types/known/durationpb:go_default_library",
+        "@org_golang_google_protobuf//types/known/emptypb:go_default_library",
         "@org_golang_google_protobuf//types/known/fieldmaskpb:go_default_library",
         "@org_golang_google_protobuf//types/known/structpb:go_default_library",
         "@org_golang_google_protobuf//types/known/timestamppb:go_default_library",

proto/test/v1/proto3/BUILD.bazel

@@ -4,6 +4,7 @@ package google.api.expr.test.v1.proto3;
 
 import "google/protobuf/any.proto";
 import "google/protobuf/duration.proto";
+import "google/protobuf/empty.proto";
 import "google/protobuf/field_mask.proto";
 import "google/protobuf/struct.proto";
 import "google/protobuf/timestamp.proto";
@@ -67,6 +68,7 @@ message TestAllTypes {
   google.protobuf.NullValue null_value = 115;
   optional google.protobuf.NullValue optional_null_value = 116;
   google.protobuf.FieldMask field_mask = 117;
+  google.protobuf.Empty empty = 118;
 
   // Nested messages
   oneof nested_type {

proto/test/v1/proto3/test_all_types.proto

@@ -258,3 +258,42 @@ section {
     }
   }
 }
+
+# google.protobuf.Duration
+section {
+  name: "duration"
+  test {
+    name: "to_json"
+    container: "google.api.expr.test.v1.proto3"
+    expr: "TestAllTypes{single_value: duration('1000000s')}.single_value"
+    value {
+      string_value: "1000000s"
+    }
+  }
+}
+
+# google.protobuf.Timestamp
+section {
+  name: "timestamp"
+  test {
+    name: "to_json"
+    container: "google.api.expr.test.v1.proto3"
+    expr: "TestAllTypes{single_value: timestamp('9999-12-31T23:59:59.999999999Z')}.single_value"
+    value {
+      string_value: "9999-12-31T23:59:59.999999999Z"
+    }
+  }
+}
+
+# google.protobuf.Empty
+section {
+  name: "empty"
+  test {
+    name: "to_json"
+    container: "google.api.expr.test.v1.proto3"
+    expr: "TestAllTypes{single_value: google.protobuf.Empty{}}.single_value"
+    value {
+      map_value {}
+    }
+  }
+}