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import { describe, expect, it } from "vitest";
import type { TabsState } from "./tabs";
import type { TabsStorage } from "./tabs-store.svelte";
import { createTabsStore } from "./tabs-store.svelte";
function createMemoryStorage(initial?: TabsState): TabsStorage & { data: TabsState | null } {
let data: TabsState | null = initial ?? null;
return {
get data() {
return data;
},
set data(v: TabsState | null) {
data = v;
},
load() {
return data;
},
save(state: TabsState) {
data = state;
},
};
}
describe("createTabsStore", () => {
it("loads persisted state on construct", () => {
const persisted: TabsState = {
tabs: [{ conversationId: "c1", model: "m1", title: "T1" }],
activeConversationId: "c1",
};
const storage = createMemoryStorage(persisted);
const store = createTabsStore(storage);
expect(store.tabs).toHaveLength(1);
expect(store.activeConversationId).toBe("c1");
expect(store.activeTab?.conversationId).toBe("c1");
});
it("starts with empty draft when no persisted state", () => {
const storage = createMemoryStorage();
const store = createTabsStore(storage);
expect(store.tabs).toHaveLength(0);
expect(store.activeConversationId).toBeNull();
expect(store.activeTab).toBeNull();
});
it("saves after every mutation", () => {
const storage = createMemoryStorage();
const store = createTabsStore(storage);
store.createTab({ conversationId: "c1", model: "m1", title: "T1" });
expect(storage.data?.tabs).toHaveLength(1);
expect(storage.data?.activeConversationId).toBe("c1");
store.createTab({ conversationId: "c2", model: "m2", title: "T2" });
expect(storage.data?.tabs).toHaveLength(2);
store.selectTab("c1");
expect(storage.data?.activeConversationId).toBe("c1");
store.closeTab("c1");
expect(storage.data?.tabs).toHaveLength(1);
expect(storage.data?.activeConversationId).toBe("c2");
store.setModel("c2", "new-model");
expect(storage.data?.tabs[0]?.model).toBe("new-model");
store.setTitle("c2", "New Title");
expect(storage.data?.tabs[0]?.title).toBe("New Title");
store.newDraft();
expect(storage.data?.activeConversationId).toBeNull();
});
it("createTab appends and activates", () => {
const storage = createMemoryStorage();
const store = createTabsStore(storage);
store.createTab({ conversationId: "c1", model: "m1", title: "T1" });
expect(store.tabs).toHaveLength(1);
expect(store.activeConversationId).toBe("c1");
store.createTab({ conversationId: "c2", model: "m2", title: "T2" });
expect(store.tabs).toHaveLength(2);
expect(store.activeConversationId).toBe("c2");
});
it("selectTab changes active", () => {
const storage = createMemoryStorage();
const store = createTabsStore(storage);
store.createTab({ conversationId: "c1", model: "m1", title: "T1" });
store.createTab({ conversationId: "c2", model: "m2", title: "T2" });
store.selectTab("c1");
expect(store.activeConversationId).toBe("c1");
});
it("closeTab removes and activates neighbour", () => {
const storage = createMemoryStorage();
const store = createTabsStore(storage);
store.createTab({ conversationId: "c1", model: "m1", title: "T1" });
store.createTab({ conversationId: "c2", model: "m2", title: "T2" });
store.createTab({ conversationId: "c3", model: "m3", title: "T3" });
store.selectTab("c2");
store.closeTab("c2");
expect(store.tabs).toHaveLength(2);
expect(store.activeConversationId).toBe("c1");
});
it("closing the last tab returns to draft", () => {
const storage = createMemoryStorage();
const store = createTabsStore(storage);
store.createTab({ conversationId: "c1", model: "m1", title: "T1" });
store.closeTab("c1");
expect(store.tabs).toHaveLength(0);
expect(store.activeConversationId).toBeNull();
});
it("setModel updates the right tab", () => {
const storage = createMemoryStorage();
const store = createTabsStore(storage);
store.createTab({ conversationId: "c1", model: "old", title: "T1" });
store.createTab({ conversationId: "c2", model: "m2", title: "T2" });
store.setModel("c1", "new-model");
expect(store.tabs[0]?.model).toBe("new-model");
expect(store.tabs[1]?.model).toBe("m2");
});
it("setTitle updates the right tab", () => {
const storage = createMemoryStorage();
const store = createTabsStore(storage);
store.createTab({ conversationId: "c1", model: "m1", title: "Old" });
store.setTitle("c1", "New Title");
expect(store.tabs[0]?.title).toBe("New Title");
});
it("newDraft clears active but keeps tabs", () => {
const storage = createMemoryStorage();
const store = createTabsStore(storage);
store.createTab({ conversationId: "c1", model: "m1", title: "T1" });
store.createTab({ conversationId: "c2", model: "m2", title: "T2" });
store.newDraft();
expect(store.tabs).toHaveLength(2);
expect(store.activeConversationId).toBeNull();
expect(store.activeTab).toBeNull();
});
});
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