mirror of https://github.com/grpc/grpc-go.git
118 lines
2.7 KiB
Go
118 lines
2.7 KiB
Go
/*
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*
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* Copyright 2020 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package metadata
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import (
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"errors"
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"reflect"
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"testing"
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"github.com/google/go-cmp/cmp"
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"google.golang.org/grpc/attributes"
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"google.golang.org/grpc/metadata"
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"google.golang.org/grpc/resolver"
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)
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func TestGet(t *testing.T) {
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tests := []struct {
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name string
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addr resolver.Address
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want metadata.MD
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}{
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{
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name: "not set",
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addr: resolver.Address{},
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want: nil,
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},
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{
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name: "not set",
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addr: resolver.Address{
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Attributes: attributes.New(mdKey, mdValue(metadata.Pairs("k", "v"))),
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},
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want: metadata.Pairs("k", "v"),
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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if got := Get(tt.addr); !cmp.Equal(got, tt.want) {
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t.Errorf("Get() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func TestSet(t *testing.T) {
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tests := []struct {
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name string
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addr resolver.Address
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md metadata.MD
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}{
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{
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name: "unset before",
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addr: resolver.Address{},
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md: metadata.Pairs("k", "v"),
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},
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{
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name: "set before",
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addr: resolver.Address{
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Attributes: attributes.New(mdKey, mdValue(metadata.Pairs("bef", "ore"))),
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},
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md: metadata.Pairs("k", "v"),
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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newAddr := Set(tt.addr, tt.md)
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newMD := Get(newAddr)
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if !cmp.Equal(newMD, tt.md) {
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t.Errorf("md after Set() = %v, want %v", newMD, tt.md)
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}
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})
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}
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}
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func TestValidate(t *testing.T) {
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for _, test := range []struct {
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md metadata.MD
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want error
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}{
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{
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md: map[string][]string{string(rune(0x19)): {"testVal"}},
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want: errors.New("header key \"\\x19\" contains illegal characters not in [0-9a-z-_.]"),
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},
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{
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md: map[string][]string{"test": {string(rune(0x19))}},
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want: errors.New("header key \"test\" contains value with non-printable ASCII characters"),
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},
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{
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md: map[string][]string{"": {"valid"}},
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want: errors.New("there is an empty key in the header"),
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},
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{
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md: map[string][]string{"test-bin": {string(rune(0x19))}},
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want: nil,
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},
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} {
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err := Validate(test.md)
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if !reflect.DeepEqual(err, test.want) {
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t.Errorf("validating metadata which is %v got err :%v, want err :%v", test.md, err, test.want)
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}
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}
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}
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