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- // Copyright 2018, OpenCensus 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 tag
-
- import (
- "context"
- "testing"
- )
-
- func TestExtractTagsAttachment(t *testing.T) {
- // We can't depend on the stats of view package without creating a
- // dependency cycle.
-
- var m map[string]string
- ctx := context.Background()
-
- res := extractTagsAttachments(ctx, m)
- if res != nil {
- t.Fatalf("res = %v; want nil", res)
- }
-
- k, _ := NewKey("test")
- ctx, _ = New(ctx, Insert(k, "test123"))
- res = extractTagsAttachments(ctx, m)
- if res == nil {
- t.Fatal("res = nil")
- }
- if got, want := res["tag:test"], "test123"; got != want {
- t.Fatalf("res[Tags:test] = %v; want %v", got, want)
- }
- }
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