1 files changed, 39 insertions, 0 deletions
diff --git a/cmd/mediaplayer/main_test.go b/cmd/mediaplayer/main_test.go
index 08b9d92..e01cff9 100644
--- a/cmd/mediaplayer/main_test.go
+++ b/cmd/mediaplayer/main_test.go
@@ -1,9 +1,12 @@
 package main
 
 import (
+	"bytes"
+	"io"
 	"log/slog"
 	"os"
 	"path/filepath"
+	"strings"
 	"testing"
 	"time"
 
@@ -45,3 +48,39 @@ func TestGCWorkerWiring(t *testing.T) {
 	w.Start()
 	w.Stop() // must not panic even after interacting with real store
 }
+
+func TestRun_VersionFlag(t *testing.T) {
+	old := os.Stdout
+	r, w, _ := os.Pipe()
+	os.Stdout = w
+
+	err := run([]string{"-version"})
+	w.Close()
+	os.Stdout = old
+
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+
+	var buf bytes.Buffer
+	io.Copy(&buf, r)
+	out := strings.TrimSpace(buf.String())
+	if out != internal.Version {
+		t.Fatalf("expected %q, got %q", internal.Version, out)
+	}
+}
+
+func TestRun_InvalidFlag(t *testing.T) {
+	err := run([]string{"-invalidflag"})
+	if err == nil {
+		t.Fatal("expected error for invalid flag")
+	}
+}
+
+func TestRun_InvalidConfig(t *testing.T) {
+	t.Setenv("PORT", "invalid")
+	err := run([]string{})
+	if err == nil {
+		t.Fatal("expected error for invalid PORT")
+	}
+}