70 lines
2.5 KiB
TypeScript
70 lines
2.5 KiB
TypeScript
import { describe, expect, test } from "bun:test"
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import type { Prompt } from "@/context/prompt"
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import { clonePromptParts, navigatePromptHistory, prependHistoryEntry, promptLength } from "./history"
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const DEFAULT_PROMPT: Prompt = [{ type: "text", content: "", start: 0, end: 0 }]
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const text = (value: string): Prompt => [{ type: "text", content: value, start: 0, end: value.length }]
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describe("prompt-input history", () => {
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test("prependHistoryEntry skips empty prompt and deduplicates consecutive entries", () => {
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const first = prependHistoryEntry([], DEFAULT_PROMPT)
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expect(first).toEqual([])
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const withOne = prependHistoryEntry([], text("hello"))
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expect(withOne).toHaveLength(1)
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const deduped = prependHistoryEntry(withOne, text("hello"))
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expect(deduped).toBe(withOne)
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})
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test("navigatePromptHistory restores saved prompt when moving down from newest", () => {
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const entries = [text("third"), text("second"), text("first")]
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const up = navigatePromptHistory({
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direction: "up",
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entries,
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historyIndex: -1,
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currentPrompt: text("draft"),
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savedPrompt: null,
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})
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expect(up.handled).toBe(true)
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if (!up.handled) throw new Error("expected handled")
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expect(up.historyIndex).toBe(0)
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expect(up.cursor).toBe("start")
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const down = navigatePromptHistory({
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direction: "down",
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entries,
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historyIndex: up.historyIndex,
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currentPrompt: text("ignored"),
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savedPrompt: up.savedPrompt,
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})
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expect(down.handled).toBe(true)
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if (!down.handled) throw new Error("expected handled")
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expect(down.historyIndex).toBe(-1)
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expect(down.prompt[0]?.type === "text" ? down.prompt[0].content : "").toBe("draft")
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})
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test("helpers clone prompt and count text content length", () => {
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const original: Prompt = [
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{ type: "text", content: "one", start: 0, end: 3 },
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{
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type: "file",
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path: "src/a.ts",
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content: "@src/a.ts",
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start: 3,
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end: 12,
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selection: { startLine: 1, startChar: 1, endLine: 2, endChar: 1 },
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},
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{ type: "image", id: "1", filename: "img.png", mime: "image/png", dataUrl: "data:image/png;base64,abc" },
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]
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const copy = clonePromptParts(original)
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expect(copy).not.toBe(original)
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expect(promptLength(copy)).toBe(12)
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if (copy[1]?.type !== "file") throw new Error("expected file")
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copy[1].selection!.startLine = 9
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if (original[1]?.type !== "file") throw new Error("expected file")
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expect(original[1].selection?.startLine).toBe(1)
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})
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})
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