Make DPanic fatal in zaptest

zaptest/logger.go

@@ -74,6 +74,8 @@ func WrapOptions(zapOpts ...zap.Option) LoggerOption {
 // You may also pass zap.Option's to customize test logger.
 //
 //	logger := zaptest.NewLogger(t, zaptest.WrapOptions(zap.AddCaller()))
+//
+// The logger is put into development mode so DPanic causes immediate panic.
 func NewLogger(t TestingT, opts ...LoggerOption) *zap.Logger {
 	cfg := loggerOptions{
 		Level: zapcore.DebugLevel,
@@ -87,6 +89,8 @@ func NewLogger(t TestingT, opts ...LoggerOption) *zap.Logger {
 		// Send zap errors to the same writer and mark the test as failed if
 		// that happens.
 		zap.ErrorOutput(writer.WithMarkFailed(true)),
+		// Enable development mode to make DPanic fatal in tests.
+		zap.Development(),
 	}
 	zapOptions = append(zapOptions, cfg.zapOptions...)
 

zaptest/logger_test.go

@@ -138,6 +138,13 @@ func TestTestLoggerErrorOutput(t *testing.T) {
 	}
 }
 
+func TestDPanic(t *testing.T) {
+	log := NewLogger(t)
+	assert.Panics(t, func() {
+		log.DPanic("foo")
+	})
+}
+
 // testLogSpy is a testing.TB that captures logged messages.
 type testLogSpy struct {
 	testing.TB