audio is prepared, next is MXL part

cmd/mxl-pattern/main_test.go

@@ -7,6 +7,7 @@ import (
 	"strings"
 	"testing"
 
+	"mxl-pattern-generator/internal/audio"
 	"mxl-pattern-generator/internal/flowdef"
 )
 
@@ -178,6 +179,7 @@ func TestBuildAudioConfigFromArgs(t *testing.T) {
 		audioUUID:         "b3bb5be7-9fe9-4324-a5bb-4c70e1084449",
 		audioChannels:     2,
 		audioSamplingFreq: "48",
+		audioLevel:        "ebu",
 	})
 	if err != nil {
 		t.Fatalf("buildAudioConfig: %v", err)
@@ -191,6 +193,9 @@ func TestBuildAudioConfigFromArgs(t *testing.T) {
 	if cfg.Rate().Num != 48000 || cfg.Rate().Den != 1 {
 		t.Fatalf("rate = %d/%d, want 48000/1", cfg.Rate().Num, cfg.Rate().Den)
 	}
+	if cfg.LevelDBFS != audio.LevelEBUDBFS {
+		t.Fatalf("level = %.2f dBFS, want %.2f dBFS", cfg.LevelDBFS, audio.LevelEBUDBFS)
+	}
 }
 
 func TestBuildAudioConfigFromFile(t *testing.T) {
@@ -215,6 +220,7 @@ func TestBuildAudioConfigFromFile(t *testing.T) {
 		audioFlowDefFile:  path,
 		audioChannels:     2,
 		audioSamplingFreq: "48",
+		audioLevel:        "smpte",
 	})
 	if err != nil {
 		t.Fatalf("buildAudioConfig: %v", err)
@@ -228,4 +234,19 @@ func TestBuildAudioConfigFromFile(t *testing.T) {
 	if cfg.Rate().Num != 96000 || cfg.Rate().Den != 1 {
 		t.Fatalf("rate = %d/%d, want file value 96000/1", cfg.Rate().Num, cfg.Rate().Den)
 	}
+	if cfg.LevelDBFS != audio.LevelSMPTEDBFS {
+		t.Fatalf("level = %.2f dBFS, want %.2f dBFS", cfg.LevelDBFS, audio.LevelSMPTEDBFS)
+	}
+}
+
+func TestValidateAudioArgsRejectsUnknownLevelForFlowDefinition(t *testing.T) {
+	args := appArgs{
+		audioFlowDefFile: "audio.json",
+		audioLevel:       "unknown",
+	}
+
+	err := validateAudioArgs(&args)
+	if err == nil || !strings.Contains(err.Error(), "unsupported audio level") {
+		t.Fatalf("error = %v, want unsupported audio level error", err)
+	}
 }