1 files changed, 130 insertions, 0 deletions
diff --git a/logging/log_test.go b/logging/log_test.go
index 93ceaf6..41ee398 100644
--- a/logging/log_test.go
+++ b/logging/log_test.go
@@ -3,6 +3,7 @@ package logging_test
 import (
 	"errors"
 	"log/slog"
+	"strings"
 	"testing"
 
 	"go.sudomsg.com/kit/logging"
@@ -139,3 +140,132 @@ func TestWithGroup(t *testing.T) {
 		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)
+		}
+	})
+}