feat(notifications): add overlay notifications with position config (#110)

src/main/runtime/overlay-loading-osd-start.test.ts

@@ -0,0 +1,62 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+
+import {
+  createMaybeStartOverlayLoadingOsdHandler,
+  shouldStartOverlayLoadingOsd,
+} from './overlay-loading-osd-start';
+
+test('overlay loading OSD starts for visible overlay before content is ready', () => {
+  assert.equal(
+    shouldStartOverlayLoadingOsd({
+      visibleOverlayRequested: true,
+      overlayContentReady: false,
+    }),
+    true,
+  );
+});
+
+test('overlay loading OSD does not start when hidden or already ready', () => {
+  assert.equal(
+    shouldStartOverlayLoadingOsd({
+      visibleOverlayRequested: false,
+      overlayContentReady: false,
+    }),
+    false,
+  );
+  assert.equal(
+    shouldStartOverlayLoadingOsd({
+      visibleOverlayRequested: true,
+      overlayContentReady: true,
+    }),
+    false,
+  );
+});
+
+test('overlay loading OSD media-path trigger ignores empty paths', () => {
+  assert.equal(
+    shouldStartOverlayLoadingOsd({
+      visibleOverlayRequested: true,
+      overlayContentReady: false,
+      mediaPath: '   ',
+    }),
+    false,
+  );
+});
+
+test('overlay loading OSD handler starts idempotent status through injected deps', () => {
+  const calls: string[] = [];
+  const maybeStart = createMaybeStartOverlayLoadingOsdHandler({
+    getVisibleOverlayRequested: () => true,
+    isOverlayContentReady: () => false,
+    startOverlayLoadingOsd: () => {
+      calls.push('start');
+    },
+  });
+
+  maybeStart();
+  maybeStart('/tmp/video.mkv');
+  maybeStart('   ');
+
+  assert.deepEqual(calls, ['start', 'start']);
+});