mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2025-02-01 13:07:51 +02:00
110 lines
2.2 KiB
Go
110 lines
2.2 KiB
Go
// Copyright The OpenTelemetry 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 global
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import (
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"bytes"
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"errors"
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"io"
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"log"
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"sync"
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"testing"
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"github.com/go-logr/logr"
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"github.com/stretchr/testify/assert"
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"github.com/go-logr/logr/funcr"
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"github.com/go-logr/stdr"
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)
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func TestLoggerConcurrentSafe(t *testing.T) {
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var wg sync.WaitGroup
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wg.Add(1)
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go func() {
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defer wg.Done()
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SetLogger(stdr.New(log.New(io.Discard, "", 0)))
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}()
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wg.Add(1)
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go func() {
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defer wg.Done()
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Info("")
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}()
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wg.Wait()
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reset()
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}
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func TestLogLevel(t *testing.T) {
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tests := []struct {
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name string
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verbosity int
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logF func()
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want string
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}{
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{
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name: "Verbosity 0 should log errors.",
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verbosity: 0,
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want: `"msg"="foobar" "error"="foobar"`,
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logF: func() {
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Error(errors.New("foobar"), "foobar")
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},
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},
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{
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name: "Verbosity 1 should log warnings",
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verbosity: 1,
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want: `"level"=1 "msg"="foo"`,
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logF: func() {
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Warn("foo")
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},
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},
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{
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name: "Verbosity 4 should log info",
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verbosity: 4,
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want: `"level"=4 "msg"="bar"`,
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logF: func() {
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Info("bar")
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},
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},
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{
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name: "Verbosity 8 should log debug",
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verbosity: 8,
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want: `"level"=8 "msg"="baz"`,
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logF: func() {
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Debug("baz")
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},
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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var buf bytes.Buffer
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SetLogger(newBuffLogger(&buf, test.verbosity))
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test.logF()
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assert.Equal(t, test.want, buf.String())
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})
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}
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}
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func newBuffLogger(buf *bytes.Buffer, verbosity int) logr.Logger {
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return funcr.New(func(prefix, args string) {
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_, _ = buf.Write([]byte(args))
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}, funcr.Options{
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Verbosity: verbosity,
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})
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}
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