playback composition object

cmd/mxl-player/playback_runtime_test.go

@@ -0,0 +1,42 @@
+package main
+
+import (
+	"testing"
+	"time"
+
+	"mxl-player/internal/playback"
+)
+
+func validRuntimeRetryPolicy() playback.RetryPolicy {
+	return playback.RetryPolicy{
+		MaxAttempts:  3,
+		InitialDelay: time.Millisecond,
+		MaxDelay:     time.Second,
+	}
+}
+
+func TestNewPlayerPlaybackBuildsCompleteRuntime(t *testing.T) {
+	runtime, err := newPlayerPlayback(123, validRuntimeRetryPolicy())
+	if err != nil {
+		t.Fatalf("newPlayerPlayback() error = %v", err)
+	}
+	if runtime.Controller == nil || runtime.Video == nil || runtime.Status == nil || runtime.Audio == nil {
+		t.Fatalf("newPlayerPlayback() = %#v", runtime)
+	}
+	if runtime.Commands == nil || cap(runtime.Commands) != 32 {
+		t.Fatalf("command channel = %#v, capacity = %d", runtime.Commands, cap(runtime.Commands))
+	}
+	if err := runtime.Close(); err != nil {
+		t.Fatalf("Close() error = %v", err)
+	}
+}
+
+func TestNewPlayerPlaybackRejectsInvalidRetryPolicy(t *testing.T) {
+	runtime, err := newPlayerPlayback(123, playback.RetryPolicy{})
+	if runtime != nil {
+		t.Fatalf("newPlayerPlayback() runtime = %#v, want nil", runtime)
+	}
+	if err == nil {
+		t.Fatal("newPlayerPlayback() error is nil")
+	}
+}