| /* |
| * |
| * Copyright 2020 gRPC authors. |
| * |
| * 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 |
| * |
| * http://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 |
| * limitations under the License. |
| * |
| */ |
| |
| package metadata |
| |
| import ( |
| "testing" |
| |
| "github.com/google/go-cmp/cmp" |
| "google.golang.org/grpc/attributes" |
| "google.golang.org/grpc/metadata" |
| "google.golang.org/grpc/resolver" |
| ) |
| |
| func TestGet(t *testing.T) { |
| tests := []struct { |
| name string |
| addr resolver.Address |
| want metadata.MD |
| }{ |
| { |
| name: "not set", |
| addr: resolver.Address{}, |
| want: nil, |
| }, |
| { |
| name: "not set", |
| addr: resolver.Address{ |
| Attributes: attributes.New(mdKey, metadata.Pairs("k", "v")), |
| }, |
| want: metadata.Pairs("k", "v"), |
| }, |
| } |
| for _, tt := range tests { |
| t.Run(tt.name, func(t *testing.T) { |
| if got := Get(tt.addr); !cmp.Equal(got, tt.want) { |
| t.Errorf("Get() = %v, want %v", got, tt.want) |
| } |
| }) |
| } |
| } |
| |
| func TestSet(t *testing.T) { |
| tests := []struct { |
| name string |
| addr resolver.Address |
| md metadata.MD |
| }{ |
| { |
| name: "unset before", |
| addr: resolver.Address{}, |
| md: metadata.Pairs("k", "v"), |
| }, |
| { |
| name: "set before", |
| addr: resolver.Address{ |
| Attributes: attributes.New(mdKey, metadata.Pairs("bef", "ore")), |
| }, |
| md: metadata.Pairs("k", "v"), |
| }, |
| } |
| for _, tt := range tests { |
| t.Run(tt.name, func(t *testing.T) { |
| newAddr := Set(tt.addr, tt.md) |
| newMD := Get(newAddr) |
| if !cmp.Equal(newMD, tt.md) { |
| t.Errorf("md after Set() = %v, want %v", newMD, tt.md) |
| } |
| }) |
| } |
| } |