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2.7 kB · 80 lines
TypeScript
at main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081/** * Test that BashExecutionComponent's collapsed output respects the render-time width, * not a stale captured width. Regression test for #2569. */import { visibleWidth } from "@earendil-works/pi-tui";import { beforeAll, describe, expect, it } from "vitest";import { BashExecutionComponent } from "../src/modes/interactive/components/bash-execution.ts";import { initTheme } from "../src/modes/interactive/theme/theme.ts";
/** Minimal TUI stub that only exposes terminal.columns */function createTuiStub(columns: number): { columns: number; stub: any } { const state = { columns }; const stub = { terminal: { get columns() { return state.columns; }, get rows() { return 24; }, }, // Loader calls ui.addInterval / ui.removeInterval addInterval: (_cb: () => void, _ms: number) => ({ dispose: () => {} }), removeInterval: () => {}, requestRender: () => {}, }; return { columns: state.columns, stub };}
describe("BashExecutionComponent width handling (#2569)", () => { beforeAll(() => { initTheme(undefined, false); });
it("collapsed preview lines respect render-time width, not construction-time width", () => { const wideWidth = 200; const narrowWidth = 80;
const { stub } = createTuiStub(wideWidth); const component = new BashExecutionComponent("pwd", stub);
// Add output with long lines that will wrap differently at different widths const longLine = "x".repeat(150); component.appendOutput(`${longLine}\n${longLine}\n`);
// Complete the command so it enters collapsed mode component.setComplete(0, false);
// Render at the narrow width (simulating a resize or split pane) const lines = component.render(narrowWidth);
// Every rendered line must fit within the narrow width for (let i = 0; i < lines.length; i++) { const w = visibleWidth(lines[i]); expect(w, `Line ${i} visibleWidth=${w} > ${narrowWidth}`).toBeLessThanOrEqual(narrowWidth); } });
it("re-computes lines when width changes between renders", () => { const { stub } = createTuiStub(200); const component = new BashExecutionComponent("echo hello", stub);
const longLine = "abcdefghij".repeat(20); // 200 chars component.appendOutput(`${longLine}\n`); component.setComplete(0, false);
// First render at width 200 const lines200 = component.render(200); for (const line of lines200) { expect(visibleWidth(line)).toBeLessThanOrEqual(200); }
// Second render at width 60 (split pane scenario) const lines60 = component.render(60); for (let i = 0; i < lines60.length; i++) { const w = visibleWidth(lines60[i]); expect(w, `Line ${i} visibleWidth=${w} > 60`).toBeLessThanOrEqual(60); } });});