156 lines
4.1 KiB
Go
156 lines
4.1 KiB
Go
/*
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* Copyright 2019 Banco Bilbao Vizcaya Argentaria, S.A.
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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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*/
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package logger
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import (
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"bytes"
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"fmt"
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"log"
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"os"
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"reflect"
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"strings"
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"testing"
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)
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var cleanup = func() { loggers = make(map[string]internalLogger) }
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func TestRegisterLoginRegistersWithGivenName(t *testing.T) {
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defer cleanup()
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RegisterLogger("FOO", nil)
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if _, ok := loggers["FOO"]; !ok {
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t.Error("RegisterLogin didn't register the logger")
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}
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}
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func TestRegisterLoginRegistersWithFlags(t *testing.T) {
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defer cleanup()
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expected := log.Ldate | log.Ltime | log.LUTC | log.Lmicroseconds
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RegisterLogger("FOO", nil)
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if loggers["FOO"].execLog.Flags() != expected {
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t.Errorf("RegisterLogin didn't use correct writer for logger. Expected: %d, got: %d", expected, loggers["FOO"].execLog.Flags())
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}
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}
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func TestRegisterLoginRegistersWithStdOutWhenNoWriterGiven(t *testing.T) {
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defer cleanup()
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RegisterLogger("FOO", nil)
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if loggers["FOO"].execLog.Writer() != os.Stdout {
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t.Errorf("RegisterLogin didn't use correct writer for logger. Expected: %#v, got: %#v", os.Stdout, loggers["FOO"].execLog.Writer())
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}
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}
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func TestRegisterLoginRegistersWithWriterGiven(t *testing.T) {
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defer cleanup()
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RegisterLogger("FOO", os.Stderr)
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if loggers["FOO"].execLog.Writer() != os.Stderr {
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t.Errorf("RegisterLogin didn't use correct writer for logger. Expected: %#v, got: %#v", os.Stderr, loggers["FOO"].execLog.Writer())
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}
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}
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func TestRegisterLoginRegistersWithLogMsgChannel(t *testing.T) {
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defer cleanup()
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expected := reflect.ValueOf(make(chan LogMsg)).String()
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RegisterLogger("FOO", nil)
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if chanType := reflect.ValueOf(loggers["FOO"].loggerChannel).String(); chanType != expected {
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t.Errorf("RegisterLogin didn't create correct channel. Expected: %#v, got: %#v", expected, chanType)
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}
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}
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func TestCloseClosesLoggerChannel(t *testing.T) {
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defer cleanup()
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RegisterLogger("FOO", nil)
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Close("FOO")
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if _, ok := <-loggers["FOO"].loggerChannel; ok {
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t.Errorf("Close didn't close the channel.")
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}
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}
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func TestCloseClosesNilsLoggerChannel(t *testing.T) {
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t.Skip("Have to check why it is failing")
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defer cleanup()
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RegisterLogger("FOO", nil)
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Close("FOO")
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fmt.Printf("Channel for logger FOO: %#v\n", loggers["FOO"].loggerChannel)
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if loggers["FOO"].loggerChannel != nil {
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t.Errorf("Close didn't nil the channel.")
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}
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}
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func TestSendMessageReturnsFalseIfNoLoggerExists(t *testing.T) {
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defer cleanup()
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if ok := SendMsg("FOO", LogMsg{}); ok {
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t.Errorf("SendMessage didn't return error.")
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}
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}
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func TestSendMessageReturnsTrueAndSendsIfLoggerExists(t *testing.T) {
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t.Skip("Review: there is a DATA RACE error in unit tests")
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defer cleanup()
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var (
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received LogMsg
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msg LogMsg = LogMsg{"hello", nil}
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)
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RegisterLogger("FOO", nil)
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go func() {
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received = <-loggers["FOO"].loggerChannel
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}()
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ok := SendMsg("FOO", msg)
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if !ok || received.Prefix != msg.Prefix {
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t.Errorf("SendMessage didn't send.")
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}
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}
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func TestProcessMsgReturnsTrueAfterReceive(t *testing.T) {
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defer cleanup()
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w := &bytes.Buffer{}
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RegisterLogger("FOO", w)
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go SendMsg("FOO", LogMsg{})
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ok := ProcessMsg("FOO")
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if !ok {
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t.Error("ProcessMsg didn't return true")
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}
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}
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func TestProcessMsgWritesMsgToLog(t *testing.T) {
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expected := []string{"FOOprefix FOO\n", "FOOprefix BAR\n", "FOOprefix FOO BAZ\n"}
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defer cleanup()
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w := &bytes.Buffer{}
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RegisterLogger("FOO", w)
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go SendMsg("FOO", LogMsg{"FOOprefix", []string{"FOO", "BAR", "FOO BAZ"}})
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ProcessMsg("FOO")
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received := w.String()
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for _, ex := range expected {
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if !strings.Contains(received, ex) {
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t.Errorf("ProcessMsg didn't send expected message. Expected: %#v, got: %q", expected, received)
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}
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}
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}
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