| // 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") |
| } |
| } |