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| 1 | +// Licensed to Elasticsearch B.V. under one or more contributor |
| 2 | +// license agreements. See the NOTICE file distributed with |
| 3 | +// this work for additional information regarding copyright |
| 4 | +// ownership. Elasticsearch B.V. licenses this file to you under |
| 5 | +// the Apache License, Version 2.0 (the "License"); you may |
| 6 | +// not use this file except in compliance with the License. |
| 7 | +// You may obtain a copy of the License at |
| 8 | +// |
| 9 | +// http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | +// |
| 11 | +// Unless required by applicable law or agreed to in writing, |
| 12 | +// software distributed under the License is distributed on an |
| 13 | +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 14 | +// KIND, either express or implied. See the License for the |
| 15 | +// specific language governing permissions and limitations |
| 16 | +// under the License. |
| 17 | + |
| 18 | +package extension |
| 19 | + |
| 20 | +import ( |
| 21 | + "github.com/stretchr/testify/assert" |
| 22 | + "github.com/stretchr/testify/require" |
| 23 | + "go.uber.org/zap/zapcore" |
| 24 | + "io/ioutil" |
| 25 | + "os" |
| 26 | + "testing" |
| 27 | +) |
| 28 | + |
| 29 | +func init() { |
| 30 | + os.Unsetenv("ELASTIC_APM_LOG_LEVEL") |
| 31 | +} |
| 32 | + |
| 33 | +func TestInitLogger(t *testing.T) { |
| 34 | + assert.NotNil(t, Log) |
| 35 | +} |
| 36 | + |
| 37 | +func TestDefaultLogger(t *testing.T) { |
| 38 | + tempFile, err := ioutil.TempFile(t.TempDir(), "tempFileLoggerTest-") |
| 39 | + require.NoError(t, err) |
| 40 | + defer tempFile.Close() |
| 41 | + |
| 42 | + SetLogOutputPaths([]string{tempFile.Name()}) |
| 43 | + defer SetLogOutputPaths([]string{"stderr"}) |
| 44 | + |
| 45 | + Log.Infof("%s", "logger-test-info") |
| 46 | + Log.Debugf("%s", "logger-test-debug") |
| 47 | + tempFileContents, err := ioutil.ReadFile(tempFile.Name()) |
| 48 | + require.NoError(t, err) |
| 49 | + assert.Regexp(t, `{"log.level":"info","@timestamp":".*","log.origin":{"file.name":"extension/logger_test.go","file.line":.*},"message":"logger-test-info","ecs.version":"1.6.0"}`, string(tempFileContents)) |
| 50 | +} |
| 51 | + |
| 52 | +func TestLoggerParseLogLevel(t *testing.T) { |
| 53 | + trace, _ := ParseLogLevel("TRacE") |
| 54 | + debug, _ := ParseLogLevel("dEbuG") |
| 55 | + info, _ := ParseLogLevel("InFo") |
| 56 | + warn, _ := ParseLogLevel("WaRning") |
| 57 | + errorL, _ := ParseLogLevel("eRRor") |
| 58 | + critical, _ := ParseLogLevel("CriTicaL") |
| 59 | + off, _ := ParseLogLevel("OFF") |
| 60 | + invalid, err := ParseLogLevel("Inva@Lid3") |
| 61 | + assert.Equal(t, zapcore.DebugLevel, trace) |
| 62 | + assert.Equal(t, zapcore.DebugLevel, debug) |
| 63 | + assert.Equal(t, zapcore.InfoLevel, info) |
| 64 | + assert.Equal(t, zapcore.WarnLevel, warn) |
| 65 | + assert.Equal(t, zapcore.ErrorLevel, errorL) |
| 66 | + assert.Equal(t, zapcore.FatalLevel, critical) |
| 67 | + assert.Equal(t, zapcore.FatalLevel+1, off) |
| 68 | + assert.Equal(t, zapcore.InfoLevel, invalid) |
| 69 | + assert.Error(t, err, "invalid log level string Inva@Lid3") |
| 70 | +} |
| 71 | + |
| 72 | +func TestLoggerSetLogLevel(t *testing.T) { |
| 73 | + tempFile, err := ioutil.TempFile(t.TempDir(), "tempFileLoggerTest-") |
| 74 | + require.NoError(t, err) |
| 75 | + defer tempFile.Close() |
| 76 | + |
| 77 | + Log.Level.SetLevel(zapcore.DebugLevel) |
| 78 | + |
| 79 | + defer Log.Level.SetLevel(zapcore.InfoLevel) |
| 80 | + |
| 81 | + SetLogOutputPaths([]string{tempFile.Name()}) |
| 82 | + defer SetLogOutputPaths([]string{"stderr"}) |
| 83 | + |
| 84 | + Log.Debugf("%s", "logger-test-trace") |
| 85 | + tempFileContents, err := ioutil.ReadFile(tempFile.Name()) |
| 86 | + require.NoError(t, err) |
| 87 | + assert.Regexp(t, `{"log.level":"debug","@timestamp":".*","log.origin":{"file.name":"extension/logger_test.go","file.line":.*},"message":"logger-test-trace","ecs.version":"1.6.0"}`, string(tempFileContents)) |
| 88 | +} |
| 89 | + |
| 90 | +func TestLoggerSetOffLevel(t *testing.T) { |
| 91 | + tempFile, err := ioutil.TempFile(t.TempDir(), "tempFileLoggerTest-") |
| 92 | + require.NoError(t, err) |
| 93 | + defer tempFile.Close() |
| 94 | + |
| 95 | + offLevel, _ := ParseLogLevel("off") |
| 96 | + Log.Level.SetLevel(offLevel) |
| 97 | + |
| 98 | + defer Log.Level.SetLevel(zapcore.InfoLevel) |
| 99 | + |
| 100 | + SetLogOutputPaths([]string{tempFile.Name()}) |
| 101 | + defer SetLogOutputPaths([]string{"stderr"}) |
| 102 | + |
| 103 | + Log.Errorf("%s", "logger-test-trace") |
| 104 | + tempFileContents, err := ioutil.ReadFile(tempFile.Name()) |
| 105 | + require.NoError(t, err) |
| 106 | + assert.Equal(t, "", string(tempFileContents)) |
| 107 | +} |
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