include llama.cpp since there were some edits

llama.cpp/tools/ui/tests/client/chat-tabs-store.svelte.test.ts

@@ -0,0 +1,117 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+
+vi.mock('$app/navigation', () => ({ goto: vi.fn() }));
+
+import { goto } from '$app/navigation';
+import { CONVERSATION_TABS_LOCALSTORAGE_KEY, NEW_CHAT_TAB_ID } from '$lib/constants';
+import { TabsStore } from '$lib/stores/tabs.svelte';
+
+const gotoMock = vi.mocked(goto);
+
+function freshStore(persisted?: unknown, validIds: string[] = []) {
+	localStorage.removeItem(CONVERSATION_TABS_LOCALSTORAGE_KEY);
+
+	if (persisted !== undefined) {
+		localStorage.setItem(CONVERSATION_TABS_LOCALSTORAGE_KEY, JSON.stringify(persisted));
+	}
+
+	const tabs = new TabsStore();
+
+	tabs.init(validIds);
+
+	return tabs;
+}
+
+beforeEach(() => {
+	gotoMock.mockClear();
+});
+
+/**
+ * A plain navigation shows the new target in the current tab; only an
+ * explicit new-tab action grows the strip.
+ */
+describe('tabsStore route sync', () => {
+	it('creates the first tab, then navigates it in place', () => {
+		const tabs = freshStore();
+
+		tabs.syncWithRoute('a');
+		tabs.syncWithRoute('b');
+		tabs.syncWithRoute('c');
+
+		expect(tabs.openTabs).toEqual(['c']);
+	});
+
+	it('activates an open tab instead of replacing the current one', () => {
+		const tabs = freshStore(['a', 'b'], ['a', 'b']);
+
+		tabs.syncWithRoute('b');
+		tabs.syncWithRoute('a');
+
+		expect(tabs.openTabs).toEqual(['a', 'b']);
+	});
+
+	it('turns the new-chat tab into the conversation it creates', async () => {
+		const tabs = freshStore();
+
+		tabs.syncWithRoute('a');
+		await tabs.openInNewTab(NEW_CHAT_TAB_ID, { activate: true });
+		tabs.syncWithRoute(NEW_CHAT_TAB_ID);
+		tabs.syncWithRoute('b');
+
+		expect(tabs.openTabs).toEqual(['a', 'b']);
+	});
+
+	it('waits for init before applying the route', () => {
+		localStorage.setItem(CONVERSATION_TABS_LOCALSTORAGE_KEY, JSON.stringify(['a', 'b']));
+
+		const tabs = new TabsStore();
+
+		tabs.syncWithRoute('b');
+		tabs.init(['a', 'b']);
+
+		expect(tabs.openTabs).toEqual(['a', 'b']);
+	});
+});
+
+describe('tabsStore explicit tabs', () => {
+	it('opens new tabs at the end, in the background, without duplicates', async () => {
+		const tabs = freshStore();
+
+		tabs.syncWithRoute('a');
+		await tabs.openInNewTab('b');
+		await tabs.openInNewTab('c');
+		await tabs.openInNewTab('b');
+
+		expect(tabs.openTabs).toEqual(['a', 'b', 'c']);
+		expect(gotoMock).not.toHaveBeenCalled();
+	});
+
+	it('closes the active tab to its left neighbour', async () => {
+		const tabs = freshStore();
+
+		tabs.syncWithRoute('a');
+		await tabs.openInNewTab('b');
+		tabs.syncWithRoute('b');
+		await tabs.close('b', true);
+
+		expect(tabs.openTabs).toEqual(['a']);
+		expect(gotoMock).toHaveBeenLastCalledWith('#/chat/a');
+	});
+
+	it('falls back to the new-chat screen when the last tab closes', async () => {
+		const tabs = freshStore();
+
+		tabs.syncWithRoute('a');
+		await tabs.close('a', true);
+
+		expect(gotoMock).toHaveBeenLastCalledWith('#/');
+	});
+});
+
+describe('tabsStore persistence', () => {
+	it('prunes deleted conversations and keeps the new-chat tab', () => {
+		const tabs = freshStore(['a', NEW_CHAT_TAB_ID, 'gone'], ['a']);
+
+		expect(tabs.openTabs).toEqual(['a', NEW_CHAT_TAB_ID]);
+	});
+});