Jellyfin and Subsync Fixes (#13)

src/main-entry-runtime.test.ts

@@ -0,0 +1,39 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+import {
+  sanitizeHelpEnv,
+  sanitizeBackgroundEnv,
+  shouldDetachBackgroundLaunch,
+  shouldHandleHelpOnlyAtEntry,
+} from './main-entry-runtime';
+
+test('shouldHandleHelpOnlyAtEntry detects help-only invocation', () => {
+  assert.equal(shouldHandleHelpOnlyAtEntry(['--help'], {}), true);
+  assert.equal(shouldHandleHelpOnlyAtEntry(['--help', '--start'], {}), false);
+  assert.equal(shouldHandleHelpOnlyAtEntry(['--start'], {}), false);
+  assert.equal(shouldHandleHelpOnlyAtEntry(['--help'], { ELECTRON_RUN_AS_NODE: '1' }), false);
+});
+
+test('sanitizeHelpEnv suppresses warnings and lsfg layer', () => {
+  const env = sanitizeHelpEnv({
+    VK_INSTANCE_LAYERS: 'foo:lsfg-vk:bar',
+  });
+  assert.equal(env.NODE_NO_WARNINGS, '1');
+  assert.equal('VK_INSTANCE_LAYERS' in env, false);
+});
+
+test('sanitizeBackgroundEnv marks background child and keeps warning suppression', () => {
+  const env = sanitizeBackgroundEnv({
+    VK_INSTANCE_LAYERS: 'foo:lsfg-vk:bar',
+  });
+  assert.equal(env.SUBMINER_BACKGROUND_CHILD, '1');
+  assert.equal(env.NODE_NO_WARNINGS, '1');
+  assert.equal('VK_INSTANCE_LAYERS' in env, false);
+});
+
+test('shouldDetachBackgroundLaunch only for first background invocation', () => {
+  assert.equal(shouldDetachBackgroundLaunch(['--background'], {}), true);
+  assert.equal(shouldDetachBackgroundLaunch(['--background'], { SUBMINER_BACKGROUND_CHILD: '1' }), false);
+  assert.equal(shouldDetachBackgroundLaunch(['--background'], { ELECTRON_RUN_AS_NODE: '1' }), false);
+  assert.equal(shouldDetachBackgroundLaunch(['--start'], {}), false);
+});