mirror of
https://github.com/dutchcoders/transfer.sh.git
synced 2024-12-27 21:00:19 +01:00
118 lines
2.4 KiB
Go
118 lines
2.4 KiB
Go
// Copyright 2017, OpenCensus 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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package view
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import (
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"context"
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"testing"
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"go.opencensus.io/tag"
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)
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func TestEncodeDecodeTags(t *testing.T) {
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ctx := context.Background()
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type testData struct {
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m *tag.Map
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keys []tag.Key
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want map[tag.Key][]byte
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}
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k1, err := tag.NewKey("/encodedecodetest/k1")
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if err != nil {
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t.Fatal(err)
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}
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k2, err := tag.NewKey("/encodedecodetest/k2")
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if err != nil {
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t.Fatal(err)
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}
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k3, err := tag.NewKey("/encodedecodetest/k3")
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if err != nil {
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t.Fatal(err)
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}
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ctx1, _ := tag.New(ctx)
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ctx2, _ := tag.New(ctx, tag.Insert(k2, "v2"))
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ctx3, _ := tag.New(ctx, tag.Insert(k1, "v1"), tag.Insert(k2, "v2"))
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ctx4, _ := tag.New(ctx, tag.Insert(k1, "v1"), tag.Insert(k2, "v2"), tag.Insert(k3, "v3"))
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m1 := tag.FromContext(ctx1)
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m2 := tag.FromContext(ctx2)
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m3 := tag.FromContext(ctx3)
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m4 := tag.FromContext(ctx4)
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tests := []testData{
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{
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m1,
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[]tag.Key{k1},
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nil,
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},
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{
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m2,
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[]tag.Key{},
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nil,
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},
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{
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m2,
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[]tag.Key{k1},
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nil,
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},
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{
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m2,
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[]tag.Key{k2},
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map[tag.Key][]byte{
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k2: []byte("v2"),
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},
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},
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{
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m3,
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[]tag.Key{k1},
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map[tag.Key][]byte{
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k1: []byte("v1"),
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},
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},
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{
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m3,
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[]tag.Key{k1, k2},
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map[tag.Key][]byte{
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k1: []byte("v1"),
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k2: []byte("v2"),
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},
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},
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{
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m4,
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[]tag.Key{k3, k1},
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map[tag.Key][]byte{
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k1: []byte("v1"),
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k3: []byte("v3"),
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},
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},
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}
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for label, tt := range tests {
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tags := decodeTags(encodeWithKeys(tt.m, tt.keys), tt.keys)
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if got, want := len(tags), len(tt.want); got != want {
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t.Fatalf("%d: len(decoded) = %v; not %v", label, got, want)
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}
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for _, tag := range tags {
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if _, ok := tt.want[tag.Key]; !ok {
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t.Errorf("%d: missing key %v", label, tag.Key)
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}
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if got, want := tag.Value, string(tt.want[tag.Key]); got != want {
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t.Errorf("%d: got value %q; want %q", label, got, want)
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}
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}
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}
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}
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