Kit Langton
66 lines
2.4 KiB
TypeScript
66 lines
2.4 KiB
TypeScript
import { describe, expect, test } from "bun:test"
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import { saveDraft, takeDraft } from "../../src/component/prompt/draft-stash"
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import { emptyPrompt } from "../../src/prompt/history"
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// The Prompt component stashes an unsent draft in onCleanup and takes it back
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// in onMount across route remounts. The key it uses is undefined by default
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// (one global slot that follows focus across tabs) and the tab identity
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// (sessionID, or "home") when the tab_drafts experiment is on.
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function draft(text: string, cursor = text.length) {
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return { prompt: { ...emptyPrompt(), text }, cursor }
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}
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describe("prompt draft stash", () => {
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test("global slot follows focus: any tab takes the last stashed draft", () => {
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const entry = draft("follow me")
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saveDraft(undefined, entry)
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expect(takeDraft(undefined)).toBe(entry)
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// Consumed on take, so a remount never restores a stale copy.
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expect(takeDraft(undefined)).toBeUndefined()
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})
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test("tab-keyed drafts stay on the tab they were written in", () => {
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const two = draft("notes for session two")
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saveDraft("ses_two", two)
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// Switching to another tab or home finds nothing.
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expect(takeDraft("ses_one")).toBeUndefined()
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expect(takeDraft("home")).toBeUndefined()
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// Returning to the original tab restores exactly its draft, once.
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expect(takeDraft("ses_two")).toBe(two)
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expect(takeDraft("ses_two")).toBeUndefined()
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})
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test("each tab keeps its own draft, including home", () => {
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const one = draft("DRAFT-ONE")
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const home = draft("draft on home")
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saveDraft("ses_one", one)
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saveDraft("home", home)
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expect(takeDraft("home")).toBe(home)
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expect(takeDraft("ses_one")).toBe(one)
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})
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test("global and tab slots never leak into each other when the experiment toggles mid-draft", () => {
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const global = draft("stashed before enabling tab_drafts")
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const keyed = draft("stashed after enabling tab_drafts")
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saveDraft(undefined, global)
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saveDraft("ses_a", keyed)
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// A keyed lookup must not surface the global draft on the wrong tab...
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expect(takeDraft("ses_b")).toBeUndefined()
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// ...and the global slot must not surface a tab's draft.
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expect(takeDraft(undefined)).toBe(global)
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expect(takeDraft("ses_a")).toBe(keyed)
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})
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test("a newer draft for the same slot replaces the older one", () => {
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saveDraft("ses_a", draft("first"))
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const second = draft("second")
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saveDraft("ses_a", second)
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expect(takeDraft("ses_a")).toBe(second)
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})
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})
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