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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| package config | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "os" | ||
| "strings" | ||
|
|
||
| "golang.org/x/exp/slog" | ||
| ) | ||
|
|
||
| var ( | ||
| LogLevel = getEnvWithDefault("LOG_LEVEL", "info") | ||
| LogFormat = getEnvWithDefault("LOG_FORMAT", "text") | ||
|
|
||
| ErrUnknownLogFormat = fmt.Errorf("unknown log format") | ||
| ) | ||
|
|
||
| func SetupSlog() (*slog.Logger, error) { | ||
| level := slog.LevelInfo | ||
| err := level.UnmarshalText([]byte(LogLevel)) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| var handler slog.Handler | ||
| switch strings.ToLower(LogFormat) { | ||
| case "text": | ||
| handler = slog.NewTextHandler(os.Stdout, &slog.HandlerOptions{ | ||
| Level: level, | ||
| }) | ||
| case "json": | ||
| handler = slog.NewJSONHandler(os.Stdout, &slog.HandlerOptions{ | ||
| Level: level, | ||
| }) | ||
| default: | ||
| return nil, ErrUnknownLogFormat | ||
| } | ||
|
|
||
| return slog.New(handler), nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| package config | ||
|
|
||
| import ( | ||
| "errors" | ||
| "testing" | ||
| ) | ||
|
|
||
| func TestSetupSlog(t *testing.T) { | ||
| t.Run("Wrong type of log level", func(t *testing.T) { | ||
| LogLevel = "infox" | ||
| logger, err := SetupSlog() | ||
| if logger != nil { | ||
| t.Errorf("Expected logger to be nil, got %s\"", logger) | ||
| } | ||
| if err.Error() != "slog: level string \"infox\": unknown name" { | ||
| t.Errorf("Expected error to be '%s', got %s\"", "slog: level string \"infox\": unknown name", err) | ||
| } | ||
| }) | ||
| t.Run("Wrong type of log level", func(t *testing.T) { | ||
| LogLevel = "warn" | ||
| logger, err := SetupSlog() | ||
| if err != nil { | ||
| t.Errorf("Expected error to be nil, got %s\"", err) | ||
| } | ||
| if logger == nil { | ||
| t.Errorf("Expected logger to be not nil, got %s\"", logger) | ||
| } | ||
| }) | ||
| t.Run("Wrong type of log format", func(t *testing.T) { | ||
| LogFormat = "test" | ||
| logger, err := SetupSlog() | ||
| if logger != nil { | ||
| t.Errorf("Expected logger to be nil, got %s\"", logger) | ||
| } | ||
| if !errors.Is(err, ErrUnknownLogFormat) { | ||
| t.Errorf("Expected error to be '%s', got %s\"", ErrUnknownLogFormat, err) | ||
| } | ||
| }) | ||
| t.Run("Correct type of log format", func(t *testing.T) { | ||
| LogFormat = "text" | ||
| logger, err := SetupSlog() | ||
| if err != nil { | ||
| t.Errorf("Expected error to be nil, got %s\"", err) | ||
| } | ||
| if logger == nil { | ||
| t.Errorf("Expected logger to be not nil, got %s\"", logger) | ||
| } | ||
| }) | ||
| t.Run("Json type of log format", func(t *testing.T) { | ||
| LogFormat = "json" | ||
| logger, err := SetupSlog() | ||
| if err != nil { | ||
| t.Errorf("Expected error to be nil, got %s\"", err) | ||
| } | ||
| if logger == nil { | ||
| t.Errorf("Expected logger to be not nil, got %s\"", logger) | ||
| } | ||
| }) | ||
| } |
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