60 lines
1.5 KiB
TypeScript
60 lines
1.5 KiB
TypeScript
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import assert from "node:assert/strict";
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import test from "node:test";
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import {
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readActiveTerminalBufferTextRange,
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readTerminalBufferTextRange,
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} from "./terminalContextBuffer.ts";
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function createBuffer(lines: string[]) {
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return {
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getLine(index: number) {
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const value = lines[index];
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if (value === undefined) return undefined;
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return {
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translateToString(trimRight?: boolean, startColumn = 0, endColumn?: number) {
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const sliced = value.slice(startColumn, endColumn);
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return trimRight ? sliced.trimEnd() : sliced;
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},
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};
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},
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};
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}
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test("readTerminalBufferTextRange returns only the requested rows", () => {
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const buffer = createBuffer([
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"normal-history",
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"top header",
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"cpu 12%",
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"mem 44%",
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"bottom prompt",
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]);
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assert.equal(
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readTerminalBufferTextRange(buffer as never, {
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startLine: 1,
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endLine: 3,
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cols: 80,
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}),
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"top header\ncpu 12%\nmem 44%",
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);
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});
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test("readActiveTerminalBufferTextRange reads the active alternate buffer without normal scrollback", () => {
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const normalBuffer = createBuffer(["old normal scrollback"]);
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const alternateBuffer = createBuffer(["vim title", "file body", ":"]);
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const term = {
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cols: 80,
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buffer: {
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active: alternateBuffer,
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normal: normalBuffer,
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alternate: alternateBuffer,
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},
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};
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assert.equal(
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readActiveTerminalBufferTextRange(term as never, { startLine: 0, endLine: 2 }),
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"vim title\nfile body\n:",
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);
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});
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