internal/pipewire: implement SecurityContext::Create

This is finally the thing we are after.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/pipewire/securitycontext_test.go

@@ -0,0 +1,21 @@
+package pipewire_test
+
+import (
+	"testing"
+
+	"hakurei.app/internal/pipewire"
+)
+
+func TestSecurityContextCreate(t *testing.T) {
+	t.Parallel()
+
+	encodingTestCases[pipewire.SecurityContextCreate, *pipewire.SecurityContextCreate]{
+		{"sample", samplePWContainer[6][0][1], pipewire.SecurityContextCreate{
+			ListenFd: 1 /* 21: duplicated from listen_fd */, CloseFd: 0, /* 20: duplicated from close_fd */
+			Properties: &pipewire.SPADict{
+				{Key: "pipewire.sec.engine", Value: "org.flatpak"},
+				{Key: "pipewire.access", Value: "restricted"},
+			},
+		}, nil},
+	}.run(t)
+}