Revert "update to use containerd seccomp package"
This reverts commit 4f8e065faf055d3f0463a92622297ca3afac07f4.
This commit is contained in:
Jess Frazelle
parent
09243b740c
commit
60f032f6f5
8199 changed files with 1598219 additions and 30742 deletions
180
vendor/google.golang.org/grpc/metadata/metadata.go
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vendored
180
vendor/google.golang.org/grpc/metadata/metadata.go
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/*
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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 define the structure of the metadata supported by gRPC library.
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// Please refer to https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md
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// for more information about custom-metadata.
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package metadata // import "google.golang.org/grpc/metadata"
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import (
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"fmt"
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"strings"
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"golang.org/x/net/context"
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)
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// DecodeKeyValue returns k, v, nil. It is deprecated and should not be used.
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func DecodeKeyValue(k, v string) (string, string, error) {
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return k, v, nil
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}
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// MD is a mapping from metadata keys to values. Users should use the following
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// two convenience functions New and Pairs to generate MD.
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type MD map[string][]string
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// New creates an MD from a given key-value map.
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//
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// Only the following ASCII characters are allowed in keys:
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// - digits: 0-9
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// - uppercase letters: A-Z (normalized to lower)
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// - lowercase letters: a-z
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// - special characters: -_.
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// Uppercase letters are automatically converted to lowercase.
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//
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// Keys beginning with "grpc-" are reserved for grpc-internal use only and may
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// result in errors if set in metadata.
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func New(m map[string]string) MD {
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md := MD{}
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for k, val := range m {
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key := strings.ToLower(k)
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md[key] = append(md[key], val)
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}
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return md
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}
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// Pairs returns an MD formed by the mapping of key, value ...
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// Pairs panics if len(kv) is odd.
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//
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// Only the following ASCII characters are allowed in keys:
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// - digits: 0-9
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// - uppercase letters: A-Z (normalized to lower)
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// - lowercase letters: a-z
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// - special characters: -_.
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// Uppercase letters are automatically converted to lowercase.
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//
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// Keys beginning with "grpc-" are reserved for grpc-internal use only and may
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// result in errors if set in metadata.
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func Pairs(kv ...string) MD {
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if len(kv)%2 == 1 {
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panic(fmt.Sprintf("metadata: Pairs got the odd number of input pairs for metadata: %d", len(kv)))
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}
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md := MD{}
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var key string
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for i, s := range kv {
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if i%2 == 0 {
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key = strings.ToLower(s)
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continue
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}
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md[key] = append(md[key], s)
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}
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return md
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}
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// Len returns the number of items in md.
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func (md MD) Len() int {
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return len(md)
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}
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// Copy returns a copy of md.
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func (md MD) Copy() MD {
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return Join(md)
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}
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// Join joins any number of mds into a single MD.
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// The order of values for each key is determined by the order in which
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// the mds containing those values are presented to Join.
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func Join(mds ...MD) MD {
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out := MD{}
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for _, md := range mds {
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for k, v := range md {
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out[k] = append(out[k], v...)
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}
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}
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return out
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}
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type mdIncomingKey struct{}
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type mdOutgoingKey struct{}
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// NewIncomingContext creates a new context with incoming md attached.
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func NewIncomingContext(ctx context.Context, md MD) context.Context {
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return context.WithValue(ctx, mdIncomingKey{}, md)
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}
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// NewOutgoingContext creates a new context with outgoing md attached. If used
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// in conjunction with AppendToOutgoingContext, NewOutgoingContext will
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// overwrite any previously-appended metadata.
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func NewOutgoingContext(ctx context.Context, md MD) context.Context {
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return context.WithValue(ctx, mdOutgoingKey{}, rawMD{md: md})
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}
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// AppendToOutgoingContext returns a new context with the provided kv merged
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// with any existing metadata in the context. Please refer to the
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// documentation of Pairs for a description of kv.
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func AppendToOutgoingContext(ctx context.Context, kv ...string) context.Context {
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if len(kv)%2 == 1 {
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panic(fmt.Sprintf("metadata: AppendToOutgoingContext got an odd number of input pairs for metadata: %d", len(kv)))
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}
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md, _ := ctx.Value(mdOutgoingKey{}).(rawMD)
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return context.WithValue(ctx, mdOutgoingKey{}, rawMD{md: md.md, added: append(md.added, kv)})
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}
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// FromIncomingContext returns the incoming metadata in ctx if it exists. The
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// returned MD should not be modified. Writing to it may cause races.
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// Modification should be made to copies of the returned MD.
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func FromIncomingContext(ctx context.Context) (md MD, ok bool) {
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md, ok = ctx.Value(mdIncomingKey{}).(MD)
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return
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}
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// FromOutgoingContextRaw returns the un-merged, intermediary contents
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// of rawMD. Remember to perform strings.ToLower on the keys. The returned
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// MD should not be modified. Writing to it may cause races. Modification
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// should be made to copies of the returned MD.
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//
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// This is intended for gRPC-internal use ONLY.
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func FromOutgoingContextRaw(ctx context.Context) (MD, [][]string, bool) {
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raw, ok := ctx.Value(mdOutgoingKey{}).(rawMD)
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if !ok {
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return nil, nil, false
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}
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return raw.md, raw.added, true
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}
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// FromOutgoingContext returns the outgoing metadata in ctx if it exists. The
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// returned MD should not be modified. Writing to it may cause races.
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// Modification should be made to the copies of the returned MD.
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func FromOutgoingContext(ctx context.Context) (MD, bool) {
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raw, ok := ctx.Value(mdOutgoingKey{}).(rawMD)
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if !ok {
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return nil, false
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}
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mds := make([]MD, 0, len(raw.added)+1)
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mds = append(mds, raw.md)
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for _, vv := range raw.added {
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mds = append(mds, Pairs(vv...))
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}
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return Join(mds...), ok
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}
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type rawMD struct {
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md MD
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added [][]string
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}
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125
vendor/google.golang.org/grpc/metadata/metadata_test.go
generated
vendored
125
vendor/google.golang.org/grpc/metadata/metadata_test.go
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@ -1,125 +0,0 @@
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/*
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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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"reflect"
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"testing"
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"golang.org/x/net/context"
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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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copy := orig.Copy()
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if !reflect.DeepEqual(orig, copy) {
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t.Errorf("copied value not equal to the original, got %v, want %v", copy, orig)
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}
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orig[key][0] = "foo"
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if v := copy[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 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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// Old/slow approach to adding metadata to context
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func Benchmark_AddingMetadata_ContextManipulationApproach(b *testing.B) {
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for n := 0; n < b.N; n++ {
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ctx := context.Background()
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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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// Newer/faster approach to adding metadata to context
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func BenchmarkAppendToOutgoingContext(b *testing.B) {
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for n := 0; n < b.N; n++ {
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AppendToOutgoingContext(context.Background(), "k1", "v1", "k2", "v2")
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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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