forked from googleapis/google-cloud-go
/
rpc_test.go
91 lines (86 loc) · 2.59 KB
/
rpc_test.go
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// Copyright 2020 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
package wire
import (
"encoding/base64"
"testing"
"cloud.google.com/go/internal/testutil"
"github.com/golang/protobuf/proto"
"google.golang.org/protobuf/types/known/structpb"
)
func TestPubsubMetadataAddClientInfo(t *testing.T) {
for _, tc := range []struct {
desc string
framework FrameworkType
libraryVersion func() (version, bool)
wantClientInfo *structpb.Struct
}{
{
desc: "minimal",
libraryVersion: func() (version, bool) {
return version{}, false
},
wantClientInfo: &structpb.Struct{
Fields: map[string]*structpb.Value{
"language": stringValue("GOLANG"),
},
},
},
{
desc: "cps shim",
framework: FrameworkCloudPubSubShim,
libraryVersion: func() (version, bool) {
return version{}, false
},
wantClientInfo: &structpb.Struct{
Fields: map[string]*structpb.Value{
"language": stringValue("GOLANG"),
"framework": stringValue("CLOUD_PUBSUB_SHIM"),
},
},
},
{
desc: "version valid",
framework: FrameworkCloudPubSubShim,
libraryVersion: func() (version, bool) {
return version{Major: "1", Minor: "2"}, true
},
wantClientInfo: &structpb.Struct{
Fields: map[string]*structpb.Value{
"language": stringValue("GOLANG"),
"framework": stringValue("CLOUD_PUBSUB_SHIM"),
"major_version": stringValue("1"),
"minor_version": stringValue("2"),
},
},
},
} {
t.Run(tc.desc, func(t *testing.T) {
metadata := newPubsubMetadata()
metadata.doAddClientInfo(tc.framework, tc.libraryVersion)
b, err := base64.StdEncoding.DecodeString(metadata["x-goog-pubsub-context"])
if err != nil {
t.Errorf("Failed to decode base64 pubsub context header: %v", err)
return
}
gotClientInfo := new(structpb.Struct)
if err := proto.Unmarshal(b, gotClientInfo); err != nil {
t.Errorf("Failed to unmarshal pubsub context structpb: %v", err)
return
}
if diff := testutil.Diff(gotClientInfo, tc.wantClientInfo); diff != "" {
t.Errorf("Pubsub context structpb: got: -, want: +\n%s", diff)
}
})
}
}