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How to use init method of example_test Package

Best Got code snippet using example_test.init

example_test.go

Source:example_test.go

1package zl_test2import (3	"fmt"4	"log"5	"os"6	"testing"7	"github.com/nkmr-jp/zl"8	"go.uber.org/zap"9)10var (11	version    string // version git revision or tag. set from go cli.12	srcRootDir string // srcRootDir set from cli.13)14func TestMain(m *testing.M) {15	if err := os.RemoveAll("./log"); err != nil {16		log.Fatal(err)17	}18	m.Run()19}20func Example() {21	// Set options22	fileName := "./log/example.jsonl"23	zl.SetLevel(zl.DebugLevel)24	// zl.SetOutput(zl.PrettyOutput)25	zl.SetOmitKeys(zl.TimeKey, zl.CallerKey, zl.VersionKey, zl.HostnameKey, zl.StacktraceKey, zl.PIDKey)26	zl.SetRotateFileName(fileName)27	// Initialize28	zl.Init()29	defer zl.Sync() // flush log buffer30	// Write logs31	console := "display to console when output type is pretty"32	zl.Info("USER_INFO", zap.String("user_name", "Alice"), zap.Int("user_age", 20)) // can use zap fields.33	err := fmt.Errorf("error message")34	zl.Error("ERROR_MESSAGE", err) // error level log must with error message.35	zl.Debug("DEBUG_MESSAGE")36	zl.Warn("WARN_MESSAGE", zap.Error(err))    // warn level log with error message.37	zl.WarnErr("WARN_MESSAGE_WITH_ERROR", err) // same to above.38	zl.Info("DISPLAY_TO_CONSOLE", zl.Console(console))39	zl.Info("DISPLAY_TO_CONSOLE", zl.Consolep(nil))40	zl.DebugErr("DEBUG_MESSAGE_WITH_ERROR_AND_CONSOLE", err, zl.Consolep(&console))41	bytes, _ := os.ReadFile(fileName)42	fmt.Println(string(bytes))43	// Output to stderr with colored:44	// zl.go:44: DEBUG INIT_LOGGER: Severity: DEBUG, Output: Pretty, FileName: ./log/example.jsonl45	// example_test.go:39: INFO USER_INFO46	// example_test.go:41: ERROR ERROR_MESSAGE: error message47	// example_test.go:42: DEBUG DEBUG_MESSAGE48	// example_test.go:43: WARN WARN_MESSAGE49	// example_test.go:44: WARN WARN_MESSAGE_WITH_ERROR: error message50	// example_test.go:45: INFO DISPLAY_TO_CONSOLE: display to console when output type is pretty51	// example_test.go:46: DEBUG DEBUG_MESSAGE_WITH_ERROR_AND_CONSOLE: error message , display to console when output type is pretty52	// zl.go:131: DEBUG FLUSH_LOG_BUFFER53	// Output:54	// {"severity":"DEBUG","function":"github.com/nkmr-jp/zl.Init.func1","message":"INIT_LOGGER","console":"Severity: DEBUG, Output: Pretty, File: ./log/example.jsonl"}55	// {"severity":"INFO","function":"github.com/nkmr-jp/zl_test.Example","message":"USER_INFO","user_name":"Alice","user_age":20}56	// {"severity":"ERROR","function":"github.com/nkmr-jp/zl_test.Example","message":"ERROR_MESSAGE","error":"error message"}57	// {"severity":"DEBUG","function":"github.com/nkmr-jp/zl_test.Example","message":"DEBUG_MESSAGE"}58	// {"severity":"WARN","function":"github.com/nkmr-jp/zl_test.Example","message":"WARN_MESSAGE","error":"error message"}59	// {"severity":"WARN","function":"github.com/nkmr-jp/zl_test.Example","message":"WARN_MESSAGE_WITH_ERROR","error":"error message"}60	// {"severity":"INFO","function":"github.com/nkmr-jp/zl_test.Example","message":"DISPLAY_TO_CONSOLE","console":"display to console when output type is pretty"}61	// {"severity":"INFO","function":"github.com/nkmr-jp/zl_test.Example","message":"DISPLAY_TO_CONSOLE","console":null}62	// {"severity":"DEBUG","function":"github.com/nkmr-jp/zl_test.Example","message":"DEBUG_MESSAGE_WITH_ERROR_AND_CONSOLE","console":"display to console when output type is pretty","error":"error message"}63}64func ExampleSetVersion() {65	zl.Cleanup() // removes logger and resets settings.66	urlFormat := "https://github.com/nkmr-jp/zl/blob/%s"67	// Actually, it is recommended to pass the value from the command line of go.68	// ex. `go run -ldflags "-X main.version=v1.0.0 -X main.srcRootDir=$PWD" main.go`.69	version = "v1.0.0"70	srcRootDir, _ = os.Getwd()71	// Set Options72	zl.SetLevel(zl.DebugLevel)73	zl.SetVersion(version)74	fileName := fmt.Sprintf("./log/example-set-version_%s.jsonl", zl.GetVersion())75	zl.SetRotateFileName(fileName)76	zl.SetRepositoryCallerEncoder(urlFormat, version, srcRootDir)77	zl.SetOmitKeys(zl.TimeKey, zl.FunctionKey, zl.HostnameKey, zl.PIDKey)78	zl.SetOutput(zl.ConsoleAndFileOutput)79	// Initialize80	zl.Init()81	defer zl.Sync() // flush log buffer82	// Write logs83	zl.Info("INFO_MESSAGE", zap.String("detail", "detail info xxxxxxxxxxxxxxxxx"))84	zl.Warn("WARN_MESSAGE", zap.String("detail", "detail info xxxxxxxxxxxxxxxxx"))85	bytes, _ := os.ReadFile(fileName)86	fmt.Println(string(bytes))87	// Output:88	// {"severity":"DEBUG","caller":"zl/zl.go:69","message":"INIT_LOGGER","version":"v1.0.0","console":"Severity: DEBUG, Output: ConsoleAndFile, File: ./log/example-set-version_v1.0.0.jsonl"}89	// {"severity":"INFO","caller":"https://github.com/nkmr-jp/zl/blob/v1.0.0/example_test.go#L99","message":"INFO_MESSAGE","version":"v1.0.0","detail":"detail info xxxxxxxxxxxxxxxxx"}90	// {"severity":"WARN","caller":"https://github.com/nkmr-jp/zl/blob/v1.0.0/example_test.go#L100","message":"WARN_MESSAGE","version":"v1.0.0","detail":"detail info xxxxxxxxxxxxxxxxx"}91}92func ExampleNew() {93	zl.Cleanup() // removes logger and resets settings.94	// Set options95	traceIDField := "trace"96	fileName := "./log/example-new.jsonl"97	zl.SetConsoleFields(traceIDField)98	zl.SetLevel(zl.DebugLevel)99	zl.SetOmitKeys(zl.TimeKey, zl.CallerKey, zl.FunctionKey, zl.VersionKey, zl.HostnameKey, zl.StacktraceKey, zl.PIDKey)100	zl.SetOutput(zl.PrettyOutput)101	zl.SetRotateFileName(fileName)102	traceID := "c7mg6hnr2g4l6vvuao50" // xid.New().String()103	// Initialize104	zl.Init()105	defer zl.Sync() // flush log buffer106	// New107	// e.g. Use this when you want to add a common value in the scope of a context, such as an API request.108	l1 := zl.New(109		zap.Int("user_id", 1),110		zap.String(traceIDField, traceID),111	).Named("log1")112	l2 := zl.New(113		zap.Int("user_id", 1),114		zap.String(traceIDField, traceID),115	).Named("log2")116	// Write logs117	err := fmt.Errorf("error")118	zl.Info("GLOBAL_INFO")119	l1.Info("CONTEXT_SCOPE_INFO", zl.Consolef("some message to console: %s", "test"))120	l1.Error("CONTEXT_SCOPE_ERROR", fmt.Errorf("context scope error message"))121	l2.Info("CONTEXT_SCOPE_INFO2", zl.Consolef("some message to console: %s", "test"))122	l2.Debug("TEST")123	l2.Warn("TEST")124	l2.Error("TEST", err)125	l2.InfoErr("TEST", err)126	l2.DebugErr("TEST", err)127	l2.WarnErr("TEST", err)128	bytes, _ := os.ReadFile(fileName)129	fmt.Println(string(bytes))130	// Output to stderr with colored:131	// zl.go:69: DEBUG INIT_LOGGER : Severity: DEBUG, Output: Pretty, File: ./log/example-new.jsonl132	// example_test.go:142: INFO GLOBAL_INFO133	// log1 | example_test.go:143: INFO CONTEXT_SCOPE_INFO : some message to console: test : c7mg6hnr2g4l6vvuao50134	// log1 | example_test.go:144: ERROR CONTEXT_SCOPE_ERROR : context scope error message : c7mg6hnr2g4l6vvuao50135	// log2 | example_test.go:145: INFO CONTEXT_SCOPE_INFO2 : some message to console: test : c7mg6hnr2g4l6vvuao50136	// log2 | example_test.go:146: DEBUG TEST : c7mg6hnr2g4l6vvuao50137	// log2 | example_test.go:147: WARN TEST : c7mg6hnr2g4l6vvuao50138	// log2 | example_test.go:148: ERROR TEST : error : c7mg6hnr2g4l6vvuao50139	// log2 | example_test.go:149: INFO TEST : error : c7mg6hnr2g4l6vvuao50140	// log2 | example_test.go:150: DEBUG TEST : error : c7mg6hnr2g4l6vvuao50141	// log2 | example_test.go:151: WARN TEST : error : c7mg6hnr2g4l6vvuao50142	// Output:143	// {"severity":"DEBUG","message":"INIT_LOGGER","console":"Severity: DEBUG, Output: Pretty, File: ./log/example-new.jsonl"}144	// {"severity":"INFO","message":"GLOBAL_INFO"}145	// {"severity":"INFO","logger":"log1","message":"CONTEXT_SCOPE_INFO","console":"some message to console: test","user_id":1,"trace":"c7mg6hnr2g4l6vvuao50"}146	// {"severity":"ERROR","logger":"log1","message":"CONTEXT_SCOPE_ERROR","error":"context scope error message","user_id":1,"trace":"c7mg6hnr2g4l6vvuao50"}147	// {"severity":"INFO","logger":"log2","message":"CONTEXT_SCOPE_INFO2","console":"some message to console: test","user_id":1,"trace":"c7mg6hnr2g4l6vvuao50"}148	// {"severity":"DEBUG","logger":"log2","message":"TEST","user_id":1,"trace":"c7mg6hnr2g4l6vvuao50"}149	// {"severity":"WARN","logger":"log2","message":"TEST","user_id":1,"trace":"c7mg6hnr2g4l6vvuao50"}150	// {"severity":"ERROR","logger":"log2","message":"TEST","error":"error","user_id":1,"trace":"c7mg6hnr2g4l6vvuao50"}151	// {"severity":"INFO","logger":"log2","message":"TEST","error":"error","user_id":1,"trace":"c7mg6hnr2g4l6vvuao50"}152	// {"severity":"DEBUG","logger":"log2","message":"TEST","error":"error","user_id":1,"trace":"c7mg6hnr2g4l6vvuao50"}153	// {"severity":"WARN","logger":"log2","message":"TEST","error":"error","user_id":1,"trace":"c7mg6hnr2g4l6vvuao50"}154}155func ExampleSetLevelByString() {156	zl.Cleanup() // removes logger and resets settings.157	zl.SetLevelByString("DEBUG")158	zl.SetOutputByString("Console")159	zl.SetStdout()160	zl.SetOmitKeys(zl.TimeKey, zl.CallerKey, zl.FunctionKey, zl.VersionKey, zl.HostnameKey, zl.StacktraceKey, zl.PIDKey)161	zl.Init()162	zl.Debug("DEBUG_MESSAGE")163	zl.Info("INFO_MESSAGE")164	// Output:165	// {"severity":"DEBUG","message":"INIT_LOGGER","console":"Severity: DEBUG, Output: Console"}166	// {"severity":"DEBUG","message":"DEBUG_MESSAGE"}167	// {"severity":"INFO","message":"INFO_MESSAGE"}168}169func ExampleError() {170	zl.Cleanup() // removes logger and resets settings.171	zl.SetOmitKeys(zl.TimeKey, zl.VersionKey, zl.HostnameKey)172	// Initialize173	zl.Init()174	defer zl.Sync() // flush log buffer175	zl.Error("ERROR_WITH_STACKTRACE", fmt.Errorf("error occurred"))176	zl.Info("INFO")177	zl.InfoErr("INFO_ERR", fmt.Errorf("error"))178	zl.Error("ERROR_WITH_STACKTRACE", fmt.Errorf("error occurred"))179	// Output:180}181func ExampleSetRotateMaxSize() {182	zl.Cleanup() // removes logger and resets settings.183	zl.SetLevel(zl.DebugLevel)184	zl.SetOutput(zl.FileOutput)185	zl.SetRotateFileName("./log/example-SetRotateMaxSize.jsonl")186	zl.SetRotateMaxSize(100)187	zl.SetRotateMaxAge(7)188	zl.SetRotateMaxBackups(3)189	zl.SetRotateLocalTime(true)190	zl.SetRotateCompress(true)191	// Initialize192	zl.Init()193	defer zl.Sync() // flush log buffer194	// Output:195}196func ExampleDump() {197	zl.Cleanup() // removes logger and resets settings.198	zl.SetLevel(zl.DebugLevel)199	zl.SetRotateFileName("./log/example-Dump.jsonl")200	zl.Init()201	defer zl.Sync() // flush log buffer202	zl.Dump("test")203	// Output:204}205func ExampleSyncWhenStop() {206	zl.Cleanup() // removes logger and resets settings.207	zl.SetLevel(zl.DebugLevel)208	zl.SetRotateFileName("./log/example-Dump.jsonl")209	zl.Init()210	defer zl.Sync()211	zl.SyncWhenStop()212	zl.Info("TEST")213	// Output:214}215func ExampleOthers() {216	zl.Cleanup()217	zl.SetLevel(zl.DebugLevel)218	zl.SetOmitKeys(zl.MessageKey, zl.LevelKey, zl.LoggerKey)219	zl.GetVersion()220	zl.SetOutputByString("")221	zl.SetRepositoryCallerEncoder("", "", "")222	zl.SetSeparator(" --- ")223	zl.SetOutput(zl.FileOutput)224	zl.SetRotateFileName("./log/example-Dump.jsonl")225	zl.Init()226	defer zl.Sync()227	zl.InfoErr("TEST", fmt.Errorf("error"))228	l1 := zl.New(229		zap.Int("user_id", 1),230	).Named("log1")231	l1.Info("test")232	// Output:233}...

init

Using AI Code Generation

1import (2func main() {3	fmt.Println(greetings.Hello("Gladys"))4}5import (6func main() {7	fmt.Println(greetings.Hello("Gladys"))8}9import (10func main() {11	fmt.Println(greetings.Hello("Gladys"))12}

init

Using AI Code Generation

1func TestMain(m *testing.M) {2	fmt.Println("TestMain")3	os.Exit(m.Run())4}5func TestExampleTest(t *testing.T) {6	fmt.Println("TestExampleTest")7}8func TestExampleTest2(t *testing.T) {9	fmt.Println("TestExampleTest2")10}11func TestExampleTest3(t *testing.T) {12	fmt.Println("TestExampleTest3")13}14func TestExampleTest4(t *testing.T) {15	fmt.Println("TestExampleTest4")16}17func TestExampleTest5(t *testing.T) {18	fmt.Println("TestExampleTest5")19}20func TestExampleTest6(t *testing.T) {21	fmt.Println("TestExampleTest6")22}23func TestExampleTest7(t *testing.T) {24	fmt.Println("TestExampleTest7")25}26func TestExampleTest8(t *testing.T) {27	fmt.Println("TestExampleTest8")28}29func TestExampleTest9(t *testing.T) {30	fmt.Println("TestExampleTest9")31}32func TestExampleTest10(t *testing.T) {33	fmt.Println("TestExampleTest10")34}35func TestExampleTest11(t *testing.T) {36	fmt.Println("TestExampleTest11")37}38func TestExampleTest12(t *testing.T) {39	fmt.Println("TestExampleTest12")40}41func TestExampleTest13(t *testing.T) {42	fmt.Println("TestExampleTest13")43}44func TestExampleTest14(t *testing.T) {45	fmt.Println("TestExampleTest14")46}47func TestExampleTest15(t *testing.T) {48	fmt.Println("TestExampleTest15")49}50func TestExampleTest16(t *testing.T) {51	fmt.Println("TestExampleTest16")52}53func TestExampleTest17(t *testing.T) {54	fmt.Println("TestExampleTest17")55}56func TestExampleTest18(t *testing.T) {57	fmt.Println("TestExampleTest18")58}59func TestExampleTest19(t *testing.T) {60	fmt.Println("TestExampleTest19")61}62func TestExampleTest20(t *testing.T) {63	fmt.Println("TestExampleTest20")64}65func TestExampleTest21(t *testing.T) {66	fmt.Println("TestExampleTest21")67}68func TestExampleTest22(t *testing.T) {69	fmt.Println("TestExampleTest22")70}71func TestExampleTest23(t *testing.T) {72	fmt.Println("TestExampleTest23")73}74func TestExampleTest24(t *testing.T) {75	fmt.Println("TestExampleTest24")

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