murashit_codex-panel/tests/features/selection-rewrite/selection-rewrite.test.ts

757 lines
29 KiB
TypeScript

// @vitest-environment jsdom
import { act } from "preact/test-utils";
import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
import type { TurnRecord } from "../../../src/app-server/protocol/turn";
import type { EphemeralStructuredTurnRunner } from "../../../src/app-server/services/ephemeral-structured-turn";
import { createAppServerSelectionRewriteTransport } from "../../../src/features/selection-rewrite/app-server-transport";
import { buildSelectionDiffLines } from "../../../src/features/selection-rewrite/diff";
import { canApplySelectionRewrite, type SelectionRewriteState } from "../../../src/features/selection-rewrite/model";
import { SelectionRewriteOutputError, selectionRewriteOutputParseResultFromText } from "../../../src/features/selection-rewrite/output";
import { SelectionRewritePopover } from "../../../src/features/selection-rewrite/popover.dom";
import { positionSelectionRewritePopover } from "../../../src/features/selection-rewrite/position.dom";
import { buildSelectionRewritePrompt } from "../../../src/features/selection-rewrite/prompt";
import type { SelectionRewriteTransportRequest } from "../../../src/features/selection-rewrite/transport";
import { deferred } from "../../support/async";
import { installObsidianDomShims } from "../../support/dom";
type SelectionRewriteTestRunOptions = SelectionRewriteTransportRequest & { runner: EphemeralStructuredTurnRunner };
const selectionRewriteGenerate = vi.fn();
installObsidianDomShims();
(globalThis as typeof globalThis & { IS_REACT_ACT_ENVIRONMENT?: boolean }).IS_REACT_ACT_ENVIRONMENT = true;
beforeEach(() => {
document.body.replaceChildren();
selectionRewriteGenerate.mockReset();
});
afterEach(() => {
vi.restoreAllMocks();
});
describe("selection selection rewrite output", () => {
it("parses valid selection rewrite JSON", () => {
expect(selectionRewriteOutputParseResultFromText('{"replacementText":"rewritten"}').output).toEqual({ replacementText: "rewritten" });
});
it("rejects invalid selection rewrite JSON", () => {
expect(selectionRewriteOutputParseResultFromText("replacementText: rewritten").output).toBeNull();
expect(selectionRewriteOutputParseResultFromText('{"replacementText":42}').output).toBeNull();
expect(selectionRewriteOutputParseResultFromText('{"text":"rewritten"}').output).toBeNull();
});
it("keeps raw model text when selection rewrite output parsing fails", () => {
expect(selectionRewriteOutputParseResultFromText("replacementText: final")).toEqual({
output: null,
rawText: "replacementText: final",
});
});
});
describe("selection rewrite prompt", () => {
it("always includes note context with the selected text", () => {
const prompt = buildSelectionRewritePrompt(rewriteState());
expect(prompt).toContain("Context mode: Selection + note context");
expect(prompt).toContain("Current note context:");
expect(prompt).toContain("# Heading");
});
it("uses fences that cannot be closed by note code blocks", () => {
const prompt = buildSelectionRewritePrompt(
rewriteState({
originalText: "```ts\nconst value = 1;\n```",
noteText: "````markdown\n```ts\nconst value = 1;\n```\n````",
}),
);
expect(prompt).toContain("````text\n```ts");
expect(prompt).toContain("`````text\n````markdown");
});
it("centers long note context around the selection", () => {
const noteText = `START ONLY\n${"filler\n".repeat(4_000)}Near before\nRevise this sentence.\nNear after`;
const prompt = buildSelectionRewritePrompt(
rewriteState({
noteText,
targetRange: {
from: { line: 4_002, ch: 0 },
to: { line: 4_002, ch: 22 },
},
}),
);
expect(prompt).toContain("Near before");
expect(prompt).toContain("Near after");
expect(prompt).not.toContain("START ONLY");
});
});
describe("selection rewrite diff", () => {
it("builds selection-scoped display lines", () => {
expect(buildSelectionDiffLines("alpha\nbeta", "alpha\ngamma")).toEqual([" alpha", "-beta", "+gamma"]);
});
it("orders full replacement blocks as removals before additions", () => {
const diff = buildSelectionDiffLines(
"これはdiffのテストです。\n今日は元気です。\nとても元気です。",
"これはdiffのてすとです。\nきょうはげんきです。\nとてもげんきです。",
);
expect(diff.join("\n")).toContain(
[
"-これはdiffのテストです。",
"-今日は元気です。",
"-とても元気です。",
"+これはdiffのてすとです。",
"+きょうはげんきです。",
"+とてもげんきです。",
].join("\n"),
);
});
it("keeps accurate context for large selections with a small edit distance", () => {
const commonBefore = Array.from({ length: 160 }, (_unused, index) => `common before ${String(index)}`);
const commonAfter = Array.from({ length: 160 }, (_unused, index) => `common after ${String(index)}`);
const originalText = ["same start", ...commonBefore, "old line", "shared middle", ...commonAfter, "same end"].join("\n");
const replacementText = ["same start", ...commonBefore, "new line", "shared middle", ...commonAfter, "same end"].join("\n");
const diff = buildSelectionDiffLines(originalText, replacementText).join("\n");
expect(diff).toContain("\n-old line\n+new line\n shared middle\n");
});
it("bounds high-edit-distance selection diffs with a linear prefix and suffix fallback", () => {
const originalText = [
"same start",
...Array.from({ length: 160 }, (_unused, index) => `old before ${String(index)}`),
"shared middle",
...Array.from({ length: 160 }, (_unused, index) => `old after ${String(index)}`),
"same end",
].join("\n");
const replacementText = [
"same start",
...Array.from({ length: 160 }, (_unused, index) => `new before ${String(index)}`),
"shared middle",
...Array.from({ length: 160 }, (_unused, index) => `new after ${String(index)}`),
"same end",
].join("\n");
const diff = buildSelectionDiffLines(originalText, replacementText).join("\n");
expect(diff.startsWith(" same start\n")).toBe(true);
expect(diff).toContain("\n-old before 0\n");
expect(diff).toContain("\n-shared middle\n");
expect(diff).toContain("\n+shared middle\n");
expect(diff.endsWith("\n same end")).toBe(true);
expect(diff).not.toContain("\n shared middle\n");
});
it("renders additions and deletions", () => {
expect(buildSelectionDiffLines("", "added")).toContain("+added");
expect(buildSelectionDiffLines("removed", "")).toContain("-removed");
});
it("renders unchanged text as context", () => {
expect(buildSelectionDiffLines("same", "same")).toContain(" same");
});
});
describe("selection rewrite apply guard", () => {
it("allows apply only when the current range and surrounding note context still match the original selection", () => {
const state = rewriteState();
expect(canApplySelectionRewrite({ currentText: "Revise this sentence.", currentNoteText: state.noteText }, state)).toBe(true);
expect(canApplySelectionRewrite({ currentText: "Changed sentence.", currentNoteText: state.noteText }, state)).toBe(false);
expect(
canApplySelectionRewrite(
{
currentText: "Revise this sentence.",
currentNoteText: "# Heading\n\nRevise this sentence.\n\nEdited next paragraph.",
},
state,
),
).toBe(false);
});
});
describe("selection rewrite positioning", () => {
it("uses the target view window HTMLElement constructor for editor DOM checks", () => {
const frame = document.createElement("iframe");
document.body.appendChild(frame);
const viewWindow = expectPresent(frame.contentWindow);
const viewDocument = expectPresent(frame.contentDocument);
const root = viewDocument.createElement("div");
viewDocument.body.appendChild(root);
const editorDom = viewDocument.createElement("div");
const editor = {
cm: {
dom: editorDom,
},
getCursor: () => ({ line: 0, ch: 0 }),
posToOffset: () => 0,
};
expect(positionSelectionRewritePopover(root, editor as never, viewWindow, 8)).toBe(false);
});
});
describe("selection rewrite app-server transport", () => {
it("maps the rewrite request, progress, and structured output through the runner", async () => {
const activities: string[] = [];
const previews: string[] = [];
const signal = new AbortController().signal;
const runner = vi.fn<EphemeralStructuredTurnRunner>(async (options) => {
options.onProgress?.({ type: "reasoning-activity" });
options.onProgress?.({ type: "agent-message-delta", delta: '{"replacementText":"stream' });
options.onProgress?.({ type: "agent-message-delta", delta: 'ed"}' });
return turn([agentMessage("answer", '{"replacementText":"final"}')]);
});
await expect(
runSelectionRewrite({
...runOptions(runner),
signal,
runtimeSettings: { rewriteSelectionModel: "gpt-5.4-mini", rewriteSelectionEffort: "minimal" },
onActivity: (activity) => activities.push(activity),
onPreview: (text) => previews.push(text),
}),
).resolves.toEqual({ replacementText: "final" });
expect(activities).toEqual(["reasoning", "writing", "writing"]);
expect(previews).toEqual(['{"replacementText":"stream', '{"replacementText":"streamed"}']);
expect(runner).toHaveBeenCalledWith(
expect.objectContaining({
codexPath: "/bin/codex",
cwd: "/vault",
serviceName: "codex-panel-rewrite-selection",
developerInstructions: expect.stringContaining("The only editable target is the selected text"),
prompt: "Rewrite this.",
outputSchema: {
type: "object",
properties: { replacementText: { type: "string" } },
required: ["replacementText"],
additionalProperties: false,
},
timeoutMs: 120_000,
serverRequests: { kind: "reject", message: "Selection rewrite does not handle server requests." },
abortMessage: "Selection rewrite cancelled.",
signal,
runtimeSettings: { model: "gpt-5.4-mini", effort: "minimal" },
}),
);
});
it("reports invalid structured output with the raw assistant text", async () => {
const runner = vi.fn<EphemeralStructuredTurnRunner>(async () => turn([agentMessage("answer", "invalid raw output")]));
await expect(runSelectionRewrite(runOptions(runner))).rejects.toMatchObject({ rawText: "invalid raw output" });
});
});
describe("selection rewrite popover", () => {
it("enables Generate only after the instruction has content", () => {
const popover = new SelectionRewritePopover(popoverOptions({ state: rewriteState({ instruction: "" }) }));
openPopover(popover);
const instruction = expectPresent(document.querySelector<HTMLTextAreaElement>(".codex-panel-selection-rewrite__instruction"));
const generate = expectPresent(document.querySelector<HTMLButtonElement>('button[aria-label="Generate"]'));
expect(generate.disabled).toBe(true);
void act(() => {
setTextareaValue(instruction, "Make it concise.");
instruction.dispatchEvent(new Event("input", { bubbles: true }));
});
expect(generate.disabled).toBe(false);
closePopover(popover);
});
it("generates from the Enter shortcut, renders a preview diff, and applies from the action shortcut", async () => {
const editor = editorFixture();
const onClose = vi.fn();
selectionRewriteGenerate.mockImplementation(async (options) => {
options.onPreview?.("Rewritten sentence.");
return { replacementText: "Rewritten sentence." };
});
const popover = new SelectionRewritePopover(
popoverOptions({ editor: editor.editor, onClose, state: rewriteState({ instruction: "" }) }),
);
openPopover(popover);
const instruction = expectPresent(document.querySelector<HTMLTextAreaElement>(".codex-panel-selection-rewrite__instruction"));
expect(instruction.getAttribute("aria-label")).toBeNull();
void act(() => {
setTextareaValue(instruction, "Make it concise.");
instruction.dispatchEvent(new Event("input", { bubbles: true }));
});
await act(async () => {
instruction.dispatchEvent(new KeyboardEvent("keydown", { bubbles: true, key: "Enter" }));
await Promise.resolve();
});
expect(selectionRewriteGenerate).toHaveBeenCalledOnce();
expect(document.querySelector(".codex-panel-selection-rewrite__diff")?.textContent).toContain("Rewritten sentence.");
const apply = expectPresent(document.querySelector<HTMLButtonElement>('button[aria-label="Apply"]'));
expect(apply.disabled).toBe(false);
await act(async () => {
apply.dispatchEvent(new KeyboardEvent("keydown", { bubbles: true, key: "Enter" }));
await Promise.resolve();
});
expect(editor.replaceRange).toHaveBeenCalledWith("Rewritten sentence.", { line: 1, ch: 0 }, { line: 1, ch: 22 }, "codex-panel-rewrite");
expect(document.querySelector(".codex-panel-selection-rewrite")).toBeNull();
expect(onClose).toHaveBeenCalledOnce();
});
it("refuses to apply when the current editor range no longer matches the original selection", async () => {
const editor = editorFixture({ currentText: "Changed sentence." });
const popover = new SelectionRewritePopover(
popoverOptions({
editor: editor.editor,
state: rewriteState({ status: "preview", replacementText: "Rewritten sentence." }),
}),
);
openPopover(popover);
await act(async () => {
expectPresent(document.querySelector<HTMLButtonElement>('button[aria-label="Apply"]')).click();
await Promise.resolve();
});
expect(editor.getRange).toHaveBeenCalledWith({ line: 1, ch: 0 }, { line: 1, ch: 22 });
expect(editor.replaceRange).not.toHaveBeenCalled();
expect(document.querySelector(".codex-panel-selection-rewrite")).not.toBeNull();
expect(document.body.textContent).toContain("Selection changed. Generate the rewrite again before applying.");
closePopover(popover);
});
it("unmounts and removes the Preact popover when closed", () => {
const onClose = vi.fn();
const popover = new SelectionRewritePopover(popoverOptions({ onClose }));
openPopover(popover);
expect(document.querySelector(".codex-panel-selection-rewrite__instruction")).not.toBeNull();
expect(document.querySelector<HTMLButtonElement>('button[aria-label="Cancel"]')).toBeNull();
closePopover(popover);
expect(document.querySelector(".codex-panel-selection-rewrite")).toBeNull();
expect(onClose).toHaveBeenCalledOnce();
});
it("closes from outside pointerdown without closing internal controls", () => {
const onClose = vi.fn();
const popover = new SelectionRewritePopover(popoverOptions({ onClose }));
openPopover(popover);
const generate = expectPresent(document.querySelector<HTMLButtonElement>('button[aria-label="Generate"]'));
void act(() => {
generate.dispatchEvent(new MouseEvent("pointerdown", { bubbles: true }));
});
expect(document.querySelector(".codex-panel-selection-rewrite")).not.toBeNull();
expect(onClose).not.toHaveBeenCalled();
void act(() => {
document.body.dispatchEvent(new MouseEvent("pointerdown", { bubbles: true }));
});
expect(document.querySelector(".codex-panel-selection-rewrite")).toBeNull();
expect(onClose).toHaveBeenCalledOnce();
});
it("aborts the active generation when closed and ignores its late result", async () => {
const rewrite = deferred<{ replacementText: string }>();
let signal: AbortSignal | undefined;
selectionRewriteGenerate.mockImplementation((options) => {
signal = options.signal;
return rewrite.promise;
});
const popover = new SelectionRewritePopover(popoverOptions());
openPopover(popover);
await act(async () => {
expectPresent(document.querySelector<HTMLButtonElement>('button[aria-label="Generate"]')).click();
await Promise.resolve();
});
closePopover(popover);
expect(signal?.aborted).toBe(true);
rewrite.resolve({ replacementText: "Late rewrite" });
await act(async () => {
await flushPromises();
});
expect(document.querySelector(".codex-panel-selection-rewrite")).toBeNull();
expect(document.body.textContent).not.toContain("Late rewrite");
});
it("ignores late generation preview callbacks after close", async () => {
const rewrite = deferred<{ replacementText: string }>();
const options = popoverOptions();
const preview: { current: ((text: string) => void) | null } = { current: null };
selectionRewriteGenerate.mockImplementation((runOptions) => {
preview.current = runOptions.onPreview ?? null;
return rewrite.promise;
});
const popover = new SelectionRewritePopover(options);
openPopover(popover);
await act(async () => {
expectPresent(document.querySelector<HTMLButtonElement>('button[aria-label="Generate"]')).click();
await Promise.resolve();
});
closePopover(popover);
const latePreview = preview.current;
if (!latePreview) throw new Error("Expected preview callback to be captured");
latePreview("Late partial");
expect(options.state.streamText).toBe("");
rewrite.resolve({ replacementText: "Late rewrite" });
await act(async () => {
await flushPromises();
});
});
it("keeps only one generation run active while a rewrite is pending", async () => {
const rewrite = deferred<{ replacementText: string }>();
selectionRewriteGenerate.mockReturnValue(rewrite.promise);
const popover = new SelectionRewritePopover(popoverOptions());
openPopover(popover);
const generate = expectPresent(document.querySelector<HTMLButtonElement>('button[aria-label="Generate"]'));
await act(async () => {
generate.click();
generate.click();
await Promise.resolve();
});
expect(selectionRewriteGenerate).toHaveBeenCalledOnce();
rewrite.resolve({ replacementText: "Rewritten once." });
await act(async () => {
await flushPromises();
});
expect(document.querySelector(".codex-panel-selection-rewrite__diff")?.textContent).toContain("Rewritten once.");
});
it("regenerates from a preview with a new instruction", async () => {
selectionRewriteGenerate
.mockResolvedValueOnce({ replacementText: "First rewrite." })
.mockResolvedValueOnce({ replacementText: "Second rewrite." });
const popover = new SelectionRewritePopover(popoverOptions());
openPopover(popover);
await act(async () => {
expectPresent(document.querySelector<HTMLButtonElement>('button[aria-label="Generate"]')).click();
await flushPromises();
});
const instruction = expectPresent(document.querySelector<HTMLTextAreaElement>(".codex-panel-selection-rewrite__instruction"));
void act(() => {
setTextareaValue(instruction, "Try another version.");
instruction.dispatchEvent(new Event("input", { bubbles: true }));
});
await act(async () => {
expectPresent(document.querySelector<HTMLButtonElement>('button[aria-label="Regenerate"]')).click();
await flushPromises();
});
expect(selectionRewriteGenerate).toHaveBeenCalledTimes(2);
expect(document.querySelector(".codex-panel-selection-rewrite__diff")?.textContent).toContain("Second rewrite.");
closePopover(popover);
});
it("retries after a failed generation and applies only the successful replacement", async () => {
const editor = editorFixture();
selectionRewriteGenerate
.mockRejectedValueOnce(new SelectionRewriteOutputError("Invalid rewrite response.", "raw invalid output"))
.mockResolvedValueOnce({ replacementText: "Recovered rewrite." });
const popover = new SelectionRewritePopover(popoverOptions({ editor: editor.editor }));
openPopover(popover);
await act(async () => {
expectPresent(document.querySelector<HTMLButtonElement>('button[aria-label="Generate"]')).click();
await flushPromises();
});
expect(document.body.textContent).toContain("Invalid rewrite response.");
expect(document.body.textContent).toContain("raw invalid output");
await act(async () => {
expectPresent(document.querySelector<HTMLButtonElement>('button[aria-label="Generate"]')).click();
await flushPromises();
});
expect(selectionRewriteGenerate).toHaveBeenCalledTimes(2);
expect(document.querySelector(".codex-panel-selection-rewrite__diff")?.textContent).toContain("Recovered rewrite.");
await act(async () => {
expectPresent(document.querySelector<HTMLButtonElement>('button[aria-label="Apply"]')).click();
await Promise.resolve();
});
expect(editor.replaceRange).toHaveBeenCalledWith("Recovered rewrite.", { line: 1, ch: 0 }, { line: 1, ch: 22 }, "codex-panel-rewrite");
});
it("restores the current draft after accidental instruction history navigation", async () => {
selectionRewriteGenerate.mockResolvedValue({ replacementText: "Rewritten." });
await generateInstructionHistoryItem("History item one.");
await generateInstructionHistoryItem("History item two.");
const popover = new SelectionRewritePopover(popoverOptions({ state: rewriteState({ instruction: "Current draft." }) }));
openPopover(popover);
const instruction = expectPresent(document.querySelector<HTMLTextAreaElement>(".codex-panel-selection-rewrite__instruction"));
instruction.setSelectionRange(0, 0);
void act(() => {
instruction.dispatchEvent(new KeyboardEvent("keydown", { bubbles: true, key: "ArrowUp" }));
});
expect(instruction.value).toBe("History item two.");
void act(() => {
instruction.dispatchEvent(new KeyboardEvent("keydown", { bubbles: true, key: "ArrowDown" }));
});
expect(instruction.value).toBe("Current draft.");
closePopover(popover);
});
it("preserves edited instruction history drafts while navigating history", async () => {
selectionRewriteGenerate.mockResolvedValue({ replacementText: "Rewritten." });
await generateInstructionHistoryItem("History item one.");
await generateInstructionHistoryItem("History item two.");
const popover = new SelectionRewritePopover(popoverOptions({ state: rewriteState({ instruction: "Current draft." }) }));
openPopover(popover);
const instruction = expectPresent(document.querySelector<HTMLTextAreaElement>(".codex-panel-selection-rewrite__instruction"));
instruction.setSelectionRange(0, 0);
void act(() => {
instruction.dispatchEvent(new KeyboardEvent("keydown", { bubbles: true, key: "ArrowUp" }));
setTextareaValue(instruction, "Edited history draft.");
instruction.dispatchEvent(new Event("input", { bubbles: true }));
instruction.setSelectionRange(0, 0);
});
expect(instruction.value).toBe("Edited history draft.");
void act(() => {
instruction.dispatchEvent(new KeyboardEvent("keydown", { bubbles: true, ctrlKey: true, key: "p" }));
});
expect(instruction.value).toBe("History item one.");
void act(() => {
instruction.dispatchEvent(new KeyboardEvent("keydown", { bubbles: true, key: "ArrowDown" }));
});
expect(instruction.value).toBe("History item two.");
void act(() => {
instruction.dispatchEvent(new KeyboardEvent("keydown", { bubbles: true, ctrlKey: true, key: "n" }));
});
expect(instruction.value).toBe("Edited history draft.");
closePopover(popover);
});
it("records edited history items as new entries only when generated", async () => {
selectionRewriteGenerate.mockResolvedValue({ replacementText: "Rewritten." });
await generateInstructionHistoryItem("Rewrite as bullets.");
const editingPopover = new SelectionRewritePopover(popoverOptions({ state: rewriteState({ instruction: "" }) }));
openPopover(editingPopover);
const editingInstruction = expectPresent(document.querySelector<HTMLTextAreaElement>(".codex-panel-selection-rewrite__instruction"));
void act(() => {
editingInstruction.dispatchEvent(new KeyboardEvent("keydown", { bubbles: true, key: "ArrowUp" }));
setTextareaValue(editingInstruction, "Rewrite as numbered bullets.");
editingInstruction.dispatchEvent(new Event("input", { bubbles: true }));
});
await act(async () => {
expectPresent(document.querySelector<HTMLButtonElement>('button[aria-label="Generate"]')).click();
await flushPromises();
});
closePopover(editingPopover);
const historyPopover = new SelectionRewritePopover(popoverOptions({ state: rewriteState({ instruction: "" }) }));
openPopover(historyPopover);
const historyInstruction = expectPresent(document.querySelector<HTMLTextAreaElement>(".codex-panel-selection-rewrite__instruction"));
void act(() => {
historyInstruction.dispatchEvent(new KeyboardEvent("keydown", { bubbles: true, key: "ArrowUp" }));
});
expect(historyInstruction.value).toBe("Rewrite as numbered bullets.");
void act(() => {
historyInstruction.dispatchEvent(new KeyboardEvent("keydown", { bubbles: true, key: "ArrowUp" }));
});
expect(historyInstruction.value).toBe("Rewrite as bullets.");
closePopover(historyPopover);
});
});
function rewriteState(overrides: Partial<SelectionRewriteState> = {}): SelectionRewriteState {
return {
filePath: "Note.md",
targetRange: {
from: { line: 1, ch: 0 },
to: { line: 1, ch: 22 },
},
originalText: "Revise this sentence.",
noteText: "# Heading\n\nRevise this sentence.\n\nNext paragraph.",
instruction: "Make it clearer.",
status: "editing",
streamText: "",
replacementText: null,
debugText: null,
...overrides,
} as SelectionRewriteState;
}
function openPopover(popover: SelectionRewritePopover): void {
void act(() => {
popover.open();
});
}
function closePopover(popover: SelectionRewritePopover): void {
void act(() => {
popover.close();
});
}
async function generateInstructionHistoryItem(instructionText: string): Promise<void> {
const popover = new SelectionRewritePopover(popoverOptions({ state: rewriteState({ instruction: "" }) }));
openPopover(popover);
const instruction = expectPresent(document.querySelector<HTMLTextAreaElement>(".codex-panel-selection-rewrite__instruction"));
void act(() => {
setTextareaValue(instruction, instructionText);
instruction.dispatchEvent(new Event("input", { bubbles: true }));
});
await act(async () => {
expectPresent(document.querySelector<HTMLButtonElement>('button[aria-label="Generate"]')).click();
await flushPromises();
});
closePopover(popover);
}
function popoverOptions(
overrides: Partial<ConstructorParameters<typeof SelectionRewritePopover>[0]> = {},
): ConstructorParameters<typeof SelectionRewritePopover>[0] {
return {
editor: editorFixture().editor,
runtimeSettings: { rewriteSelectionModel: null, rewriteSelectionEffort: null },
sendShortcut: "enter",
state: rewriteState(),
transport: {
generate: (request) => selectionRewriteGenerate(request),
},
viewDocument: document,
viewWindow: window,
...overrides,
};
}
function editorFixture(options: { currentText?: string; currentNoteText?: string } = {}): {
editor: ConstructorParameters<typeof SelectionRewritePopover>[0]["editor"];
getRange: ReturnType<typeof vi.fn>;
getValue: ReturnType<typeof vi.fn>;
replaceRange: ReturnType<typeof vi.fn>;
} {
const getRange = vi.fn(() => options.currentText ?? "Revise this sentence.");
const getValue = vi.fn(() => options.currentNoteText ?? rewriteState().noteText);
const replaceRange = vi.fn();
return {
editor: {
getCursor: () => ({ line: 1, ch: 22 }),
getRange,
getValue,
posToOffset: () => 0,
replaceRange,
} as unknown as ConstructorParameters<typeof SelectionRewritePopover>[0]["editor"],
getRange,
getValue,
replaceRange,
};
}
function setTextareaValue(textarea: HTMLTextAreaElement, value: string): void {
const descriptor = Object.getOwnPropertyDescriptor(HTMLTextAreaElement.prototype, "value");
if (!descriptor?.set) throw new Error("Expected textarea value setter.");
const setValue = descriptor.set.bind(textarea) as (nextValue: string) => void;
setValue(value);
}
function expectPresent<T>(value: T | null | undefined): T {
if (value === null || value === undefined) throw new Error("Expected value to be present");
return value;
}
async function flushPromises(): Promise<void> {
await Promise.resolve();
await Promise.resolve();
}
function runSelectionRewrite(options: SelectionRewriteTestRunOptions) {
const { runner, ...request } = options;
return createAppServerSelectionRewriteTransport({
codexPath: "/bin/codex",
cwd: "/vault",
runner,
}).generate(request);
}
function runOptions(runner: EphemeralStructuredTurnRunner): SelectionRewriteTestRunOptions {
return {
prompt: "Rewrite this.",
runtimeSettings: { rewriteSelectionModel: null, rewriteSelectionEffort: null },
onActivity: () => undefined,
onPreview: () => undefined,
signal: new AbortController().signal,
runner,
};
}
function turn(items: TurnRecord["items"], overrides: Partial<TurnRecord> = {}): TurnRecord {
return {
id: "turn",
items,
itemsView: "full",
status: "completed",
error: null,
startedAt: null,
completedAt: null,
durationMs: null,
...overrides,
};
}
function agentMessage(id: string, text: string): Extract<TurnRecord["items"][number], { type: "agentMessage" }> {
return { type: "agentMessage", id, text, phase: "final_answer", memoryCitation: null };
}