mirror of
https://github.com/Luzifer/nginx-sso.git
synced 2024-12-21 05:11:17 +00:00
250 lines
6.8 KiB
Go
250 lines
6.8 KiB
Go
/*
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*
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* Copyright 2014 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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"context"
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"reflect"
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"strconv"
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"testing"
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)
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func TestPairsMD(t *testing.T) {
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for _, test := range []struct {
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// input
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kv []string
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// output
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md MD
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}{
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{[]string{}, MD{}},
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{[]string{"k1", "v1", "k1", "v2"}, MD{"k1": []string{"v1", "v2"}}},
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} {
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md := Pairs(test.kv...)
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if !reflect.DeepEqual(md, test.md) {
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t.Fatalf("Pairs(%v) = %v, want %v", test.kv, md, test.md)
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}
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}
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}
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func TestCopy(t *testing.T) {
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const key, val = "key", "val"
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orig := Pairs(key, val)
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cpy := orig.Copy()
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if !reflect.DeepEqual(orig, cpy) {
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t.Errorf("copied value not equal to the original, got %v, want %v", cpy, orig)
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}
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orig[key][0] = "foo"
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if v := cpy[key][0]; v != val {
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t.Errorf("change in original should not affect copy, got %q, want %q", v, val)
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}
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}
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func TestJoin(t *testing.T) {
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for _, test := range []struct {
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mds []MD
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want MD
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}{
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{[]MD{}, MD{}},
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{[]MD{Pairs("foo", "bar")}, Pairs("foo", "bar")},
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{[]MD{Pairs("foo", "bar"), Pairs("foo", "baz")}, Pairs("foo", "bar", "foo", "baz")},
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{[]MD{Pairs("foo", "bar"), Pairs("foo", "baz"), Pairs("zip", "zap")}, Pairs("foo", "bar", "foo", "baz", "zip", "zap")},
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} {
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md := Join(test.mds...)
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if !reflect.DeepEqual(md, test.want) {
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t.Errorf("context's metadata is %v, want %v", md, test.want)
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}
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}
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}
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func TestGet(t *testing.T) {
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for _, test := range []struct {
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md MD
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key string
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wantVals []string
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}{
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{md: Pairs("My-Optional-Header", "42"), key: "My-Optional-Header", wantVals: []string{"42"}},
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{md: Pairs("Header", "42", "Header", "43", "Header", "44", "other", "1"), key: "HEADER", wantVals: []string{"42", "43", "44"}},
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{md: Pairs("HEADER", "10"), key: "HEADER", wantVals: []string{"10"}},
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} {
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vals := test.md.Get(test.key)
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if !reflect.DeepEqual(vals, test.wantVals) {
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t.Errorf("value of metadata %v is %v, want %v", test.key, vals, test.wantVals)
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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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for _, test := range []struct {
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md MD
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setKey string
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setVals []string
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want MD
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}{
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{
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md: Pairs("My-Optional-Header", "42", "other-key", "999"),
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setKey: "Other-Key",
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setVals: []string{"1"},
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want: Pairs("my-optional-header", "42", "other-key", "1"),
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},
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{
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md: Pairs("My-Optional-Header", "42"),
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setKey: "Other-Key",
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setVals: []string{"1", "2", "3"},
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want: Pairs("my-optional-header", "42", "other-key", "1", "other-key", "2", "other-key", "3"),
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},
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{
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md: Pairs("My-Optional-Header", "42"),
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setKey: "Other-Key",
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setVals: []string{},
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want: Pairs("my-optional-header", "42"),
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},
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} {
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test.md.Set(test.setKey, test.setVals...)
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if !reflect.DeepEqual(test.md, test.want) {
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t.Errorf("value of metadata is %v, want %v", test.md, test.want)
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}
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}
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}
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func TestAppend(t *testing.T) {
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for _, test := range []struct {
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md MD
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appendKey string
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appendVals []string
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want MD
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}{
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{
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md: Pairs("My-Optional-Header", "42"),
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appendKey: "Other-Key",
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appendVals: []string{"1"},
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want: Pairs("my-optional-header", "42", "other-key", "1"),
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},
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{
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md: Pairs("My-Optional-Header", "42"),
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appendKey: "my-OptIoNal-HeAder",
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appendVals: []string{"1", "2", "3"},
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want: Pairs("my-optional-header", "42", "my-optional-header", "1",
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"my-optional-header", "2", "my-optional-header", "3"),
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},
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{
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md: Pairs("My-Optional-Header", "42"),
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appendKey: "my-OptIoNal-HeAder",
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appendVals: []string{},
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want: Pairs("my-optional-header", "42"),
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},
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} {
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test.md.Append(test.appendKey, test.appendVals...)
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if !reflect.DeepEqual(test.md, test.want) {
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t.Errorf("value of metadata is %v, want %v", test.md, test.want)
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}
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}
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}
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func TestAppendToOutgoingContext(t *testing.T) {
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// Pre-existing metadata
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ctx := NewOutgoingContext(context.Background(), Pairs("k1", "v1", "k2", "v2"))
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ctx = AppendToOutgoingContext(ctx, "k1", "v3")
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ctx = AppendToOutgoingContext(ctx, "k1", "v4")
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md, ok := FromOutgoingContext(ctx)
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if !ok {
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t.Errorf("Expected MD to exist in ctx, but got none")
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}
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want := Pairs("k1", "v1", "k1", "v3", "k1", "v4", "k2", "v2")
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if !reflect.DeepEqual(md, want) {
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t.Errorf("context's metadata is %v, want %v", md, want)
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}
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// No existing metadata
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ctx = AppendToOutgoingContext(context.Background(), "k1", "v1")
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md, ok = FromOutgoingContext(ctx)
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if !ok {
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t.Errorf("Expected MD to exist in ctx, but got none")
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}
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want = Pairs("k1", "v1")
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if !reflect.DeepEqual(md, want) {
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t.Errorf("context's metadata is %v, want %v", md, want)
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}
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}
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func TestAppendToOutgoingContext_Repeated(t *testing.T) {
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ctx := context.Background()
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for i := 0; i < 100; i = i + 2 {
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ctx1 := AppendToOutgoingContext(ctx, "k", strconv.Itoa(i))
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ctx2 := AppendToOutgoingContext(ctx, "k", strconv.Itoa(i+1))
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md1, _ := FromOutgoingContext(ctx1)
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md2, _ := FromOutgoingContext(ctx2)
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if reflect.DeepEqual(md1, md2) {
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t.Fatalf("md1, md2 = %v, %v; should not be equal", md1, md2)
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}
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ctx = ctx1
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}
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}
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func TestAppendToOutgoingContext_FromKVSlice(t *testing.T) {
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const k, v = "a", "b"
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kv := []string{k, v}
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ctx := AppendToOutgoingContext(context.Background(), kv...)
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md, _ := FromOutgoingContext(ctx)
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if md[k][0] != v {
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t.Fatalf("md[%q] = %q; want %q", k, md[k], v)
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}
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kv[1] = "xxx"
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md, _ = FromOutgoingContext(ctx)
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if md[k][0] != v {
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t.Fatalf("md[%q] = %q; want %q", k, md[k], v)
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}
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}
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// Old/slow approach to adding metadata to context
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func Benchmark_AddingMetadata_ContextManipulationApproach(b *testing.B) {
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// TODO: Add in N=1-100 tests once Go1.6 support is removed.
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const num = 10
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for n := 0; n < b.N; n++ {
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ctx := context.Background()
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for i := 0; i < num; i++ {
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md, _ := FromOutgoingContext(ctx)
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NewOutgoingContext(ctx, Join(Pairs("k1", "v1", "k2", "v2"), md))
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}
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}
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}
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// Newer/faster approach to adding metadata to context
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func BenchmarkAppendToOutgoingContext(b *testing.B) {
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const num = 10
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for n := 0; n < b.N; n++ {
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ctx := context.Background()
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for i := 0; i < num; i++ {
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ctx = AppendToOutgoingContext(ctx, "k1", "v1", "k2", "v2")
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}
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}
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}
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func BenchmarkFromOutgoingContext(b *testing.B) {
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ctx := context.Background()
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ctx = NewOutgoingContext(ctx, MD{"k3": {"v3", "v4"}})
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ctx = AppendToOutgoingContext(ctx, "k1", "v1", "k2", "v2")
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for n := 0; n < b.N; n++ {
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FromOutgoingContext(ctx)
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}
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}
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