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package logging_test
import (
"errors"
"log/slog"
"strings"
"testing"
"go.sudomsg.com/kit/logging"
"go.sudomsg.com/kit/logging/test"
)
func TestWithLogger_And_FromContext(t *testing.T) {
ctx := t.Context()
mock := test.NewMockLogHandler(t)
logger := slog.New(mock)
ctx = logging.WithLogger(ctx, logger)
got := logging.FromContext(ctx)
if got != logger {
t.Errorf("expected logger from context to match original logger")
}
}
func TestFromContext_DefaultFallback(t *testing.T) {
ctx := t.Context()
got := logging.FromContext(ctx)
if got != slog.Default() {
t.Errorf("expected default logger when no logger is in context")
}
}
func TestRecoverAndLog(t *testing.T) {
ctx := t.Context()
mock := test.NewMockLogHandler(t)
logger := slog.New(mock)
ctx = logging.WithLogger(ctx, logger)
err := errors.New("something broke")
logging.RecoverAndLog(ctx, "panic recovered", err)
records := mock.Records()
if len(records) != 1 {
t.Fatalf("expected 1 log record, got %d", len(records))
}
record := records[0]
if record.Message != "panic recovered" {
t.Errorf("expected message 'panic recAvered', got %q", record.Message)
}
foundStack := false
record.Attrs(func(a slog.Attr) bool {
if a.Key == "stack" {
foundStack = true
}
return true
})
if !foundStack {
t.Errorf("expected 'stack' attribute in log")
}
}
func TestWith(t *testing.T) {
ctx := t.Context()
mock := test.NewMockLogHandler(t)
logger := slog.New(mock)
ctx = logging.WithLogger(ctx, logger)
user := "user"
id := "1234"
logger2, newCtx := logging.With(ctx, "user", user, "id", id)
logger2.InfoContext(ctx, "test message")
records := mock.Records()
if len(records) != 1 {
t.Fatalf("expected 1 record, got %d", len(records))
}
record := records[0]
foundUser := false
foundID := false
record.Attrs(func(attr slog.Attr) bool {
switch attr.Key {
case "user":
foundUser = attr.Value.String() == user
case "id":
foundID = attr.Value.String() == id
}
return true
})
if !foundUser || !foundID {
t.Errorf("expected 'user' and 'id' attributes in log record, %v", records)
}
// Test context carries logger with same attributes
logFromCtx := logging.FromContext(newCtx)
logFromCtx.InfoContext(ctx, "second message")
if len(mock.Records()) != 2 {
t.Errorf("expected 2 log records, got %d", len(mock.Records()))
}
}
func TestWithGroup(t *testing.T) {
ctx := t.Context()
mock := test.NewMockLogHandler(t)
logger := slog.New(mock)
ctx = logging.WithLogger(ctx, logger)
logger2, _ := logging.WithGroup(ctx, "foo")
logger2.InfoContext(ctx, "test message", "key", "value")
records := mock.Records()
if len(records) != 1 {
t.Fatalf("expected 1 record, got %d", len(records))
}
record := records[0]
var foundGroup bool
record.Attrs(func(attr slog.Attr) bool {
foundGroup = attr.Value.Kind() == slog.KindGroup
return false
})
if !foundGroup {
t.Errorf("expected 'user' and 'id' attributes in log record, %v", records)
}
}
func TestLogSink(t *testing.T) {
t.Parallel()
t.Run("RoundTrip", func(t *testing.T) {
t.Parallel()
testCases := []logging.LogSink{
logging.SinkStdout,
logging.SinkStderr,
logging.SinkFile,
}
for _, original := range testCases {
t.Run(original.String(), func(t *testing.T) {
t.Run("case same", func(t *testing.T) {
t.Run(original.String(), func(t *testing.T) {
text, err := original.MarshalText()
if err != nil {
t.Fatalf("MarshalText failed: %v", err)
}
var decoded logging.LogSink
if err := decoded.UnmarshalText(text); err != nil {
t.Fatalf("UnmarshalText failed: %v", err)
}
if decoded != original {
t.Fatalf("Round-trip mismatch: got %v, want %v", decoded, original)
}
})
})
t.Run("case not same", func(t *testing.T) {
t.Run(original.String(), func(t *testing.T) {
text, err := original.MarshalText()
if err != nil {
t.Fatalf("MarshalText failed: %v", err)
}
var decoded logging.LogSink
if err := decoded.UnmarshalText([]byte(strings.ToUpper(string(text)))); err != nil {
t.Fatalf("UnmarshalText failed: %v", err)
}
if decoded != original {
t.Fatalf("Round-trip mismatch: got %v, want %v", decoded, original)
}
})
})
})
}
})
t.Run("Invalid", func(t *testing.T) {
t.Parallel()
input := "invalid"
var decoded logging.LogSink
if err := decoded.UnmarshalText([]byte(input)); err == nil {
t.Errorf("expected error for input %q, got none", input)
}
})
}
func TestLogFormat(t *testing.T) {
t.Parallel()
t.Run("RoundTrip", func(t *testing.T) {
t.Parallel()
testCases := []logging.LogFormat{
logging.FormatText,
logging.FormatJSON,
}
for _, original := range testCases {
t.Run(original.String(), func(t *testing.T) {
t.Run("case same", func(t *testing.T) {
t.Run(original.String(), func(t *testing.T) {
text, err := original.MarshalText()
if err != nil {
t.Fatalf("MarshalText failed: %v", err)
}
var decoded logging.LogFormat
if err := decoded.UnmarshalText(text); err != nil {
t.Fatalf("UnmarshalText failed: %v", err)
}
if decoded != original {
t.Fatalf("Round-trip mismatch: got %v, want %v", decoded, original)
}
})
})
t.Run("case not same", func(t *testing.T) {
t.Run(original.String(), func(t *testing.T) {
text, err := original.MarshalText()
if err != nil {
t.Fatalf("MarshalText failed: %v", err)
}
var decoded logging.LogFormat
if err := decoded.UnmarshalText([]byte(strings.ToUpper(string(text)))); err != nil {
t.Fatalf("UnmarshalText failed: %v", err)
}
if decoded != original {
t.Fatalf("Round-trip mismatch: got %v, want %v", decoded, original)
}
})
})
})
}
})
t.Run("Invalid", func(t *testing.T) {
t.Parallel()
input := "invalid"
var decoded logging.LogFormat
if err := decoded.UnmarshalText([]byte(input)); err == nil {
t.Errorf("expected error for input %q, got none", input)
}
})
}
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