can1357
ae89b3ff08
Merged PR #4330 and fixed the remaining offered-boundary regression by stopping offer promotion at intervening live blocks. Verified with targeted transcript/native scrollback regressions: 40 pass.
93 lines
2.9 KiB
TypeScript
93 lines
2.9 KiB
TypeScript
import { describe, expect, it } from "bun:test";
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import { TranscriptContainer } from "@oh-my-pi/pi-coding-agent/modes/components/transcript-container";
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import type { Component } from "@oh-my-pi/pi-tui";
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class FinalizedBlock implements Component {
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#lines: string[];
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constructor(lines: string[]) {
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this.#lines = [...lines];
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}
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render(width: number): string[] {
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return this.#lines.map(line => line.slice(0, width));
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}
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}
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class MutableLiveBlock implements Component {
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#lines: string[];
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constructor(lines: string[]) {
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this.#lines = [...lines];
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}
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render(width: number): string[] {
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return this.#lines.map(line => line.slice(0, width));
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}
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setLines(lines: string[]): void {
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this.#lines = [...lines];
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}
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isTranscriptBlockFinalized(): boolean {
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return false;
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}
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}
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describe("transcript streaming commit (assistant text)", () => {
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it("treats in-place growth of the trailing line as append-only", () => {
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const chat = new TranscriptContainer();
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// Models a streaming assistant reply: stable head rows plus a current
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// line that grows token-by-token without adding a new row.
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const block = new MutableLiveBlock(["para one", "para two", "the quick brown"]);
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chat.addChild(block);
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chat.render(80);
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block.setLines(["para one", "para two", "the quick brown fox"]);
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chat.render(80);
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// The head rows never changed; only the trailing line grew. Its scrolled-
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// off head must be committable to native scrollback (tmux pane history).
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expect(chat.getNativeScrollbackCommitSafeEnd()).toBe(3);
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});
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it("offers lower finalized siblings without making them durable", () => {
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const chat = new TranscriptContainer();
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const top = new FinalizedBlock(["top-0"]);
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const live = new MutableLiveBlock(["live-0"]);
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const tail = new FinalizedBlock(["tail-0", "tail-1"]);
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chat.addChild(top);
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chat.addChild(live);
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chat.addChild(tail);
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expect(chat.render(80)).toEqual(["top-0", "", "live-0", "", "tail-0", "tail-1"]);
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expect(chat.getNativeScrollbackLiveRegionStart()).toBe(2);
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expect(chat.getNativeScrollbackSnapshotSafeEnd()).toBe(3);
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expect(chat.getNativeScrollbackOfferSafeEnd()).toBe(6);
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});
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it("stops offered siblings at an intervening live block", () => {
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const chat = new TranscriptContainer();
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const top = new FinalizedBlock(["top-0"]);
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const firstLive = new MutableLiveBlock(["live-a"]);
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const firstTail = new FinalizedBlock(["tail-a-0", "tail-a-1"]);
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const secondLive = new MutableLiveBlock(["live-b"]);
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const laterTail = new FinalizedBlock(["tail-b-0"]);
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chat.addChild(top);
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chat.addChild(firstLive);
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chat.addChild(firstTail);
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chat.addChild(secondLive);
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chat.addChild(laterTail);
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expect(chat.render(80)).toEqual([
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"top-0",
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"",
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"live-a",
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"",
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"tail-a-0",
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"tail-a-1",
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"",
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"live-b",
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"",
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"tail-b-0",
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]);
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expect(chat.getNativeScrollbackLiveRegionStart()).toBe(2);
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expect(chat.getNativeScrollbackSnapshotSafeEnd()).toBe(3);
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expect(chat.getNativeScrollbackOfferSafeEnd()).toBe(6);
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});
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});
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