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- // Copyright 2018 Google LLC
- //
- // 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 metadata
-
- import (
- "context"
- "reflect"
- "testing"
- )
-
- func TestMetadata(t *testing.T) {
- tests := []struct {
- meta *Metadata
- }{
- {
- &Metadata{EventID: "test event ID"},
- },
- }
- for _, test := range tests {
- ctx := NewContext(context.Background(), test.meta)
- got, err := FromContext(ctx)
- if err != nil {
- t.Fatalf("FromContext error: %v", err)
- }
- if !reflect.DeepEqual(got, test.meta) {
- t.Fatalf("FromContext\nGot %v\nWant %v", got, test.meta)
- }
- }
- }
-
- func TestMetadataError(t *testing.T) {
- if _, err := FromContext(nil); err == nil {
- t.Errorf("FromContext got no error, wanted an error")
- }
- if _, err := FromContext(context.Background()); err == nil {
- t.Errorf("FromContext got no error, wanted an error")
- }
- if _, err := FromContext(NewContext(context.Background(), nil)); err == nil {
- t.Errorf("FromContext got no error, wanted an error")
- }
- }
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