// Copyright The OpenTelemetry 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 metric import ( "fmt" "testing" "github.com/stretchr/testify/assert" "go.opentelemetry.io/otel/api/core" "go.opentelemetry.io/otel/sdk/resource" ) func TestWithErrorHandler(t *testing.T) { errH, reg := func() (ErrorHandler, *error) { e := fmt.Errorf("default invalid") reg := &e return func(err error) { *reg = err }, reg }() c := &Config{} WithErrorHandler(errH).Apply(c) err1 := fmt.Errorf("error 1") c.ErrorHandler(err1) assert.EqualError(t, *reg, err1.Error()) // Ensure overwriting works. c = &Config{ErrorHandler: DefaultErrorHandler} WithErrorHandler(errH).Apply(c) err2 := fmt.Errorf("error 2") c.ErrorHandler(err2) assert.EqualError(t, *reg, err2.Error()) } func TestWithResource(t *testing.T) { r := resource.New(core.Key("A").String("a")) c := &Config{} WithResource(*r).Apply(c) assert.Equal(t, *r, c.Resource) // Ensure overwriting works. c = &Config{Resource: resource.Resource{}} WithResource(*r).Apply(c) assert.Equal(t, *r, c.Resource) }