Xiangzhe
88 lines
2.7 KiB
TypeScript
88 lines
2.7 KiB
TypeScript
import assert from "node:assert";
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import { describe, it } from "node:test";
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import { type Component, TUI } from "../src/tui.ts";
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import { extractSegments, normalizeTerminalOutput, sliceWithWidth, visibleWidth } from "../src/utils.ts";
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import { VirtualTerminal } from "./virtual-terminal.ts";
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class FullViewportContent implements Component {
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render(width: number): string[] {
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return ["base 0", "base 1", "base 2"].map((line) => line.padEnd(width));
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}
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invalidate(): void {}
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}
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class CapturingVirtualTerminal extends VirtualTerminal {
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private output = "";
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override write(data: string): void {
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this.output += data;
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super.write(data);
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}
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getOutput(): string {
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return this.output;
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}
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}
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class TabStatusOverlay implements Component {
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render(): string[] {
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return ["\tX"];
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}
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invalidate(): void {}
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}
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describe("tab width accounting", () => {
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it("keeps slice helper widths consistent with visible width", () => {
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const text = "out 192M\t.pi/skill-tests/results-ha";
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const slice = sliceWithWidth(text, 0, 10, true);
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assert.strictEqual(slice.text, "out 192M");
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assert.strictEqual(slice.width, 8);
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assert.strictEqual(visibleWidth(slice.text), slice.width);
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});
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it("keeps overlay segment widths consistent with visible width", () => {
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const text = "out 192M\t.pi/skill-tests/results-ha";
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const segments = extractSegments(text, 10, 13, 10, true);
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assert.strictEqual(segments.before, "out 192M");
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assert.strictEqual(segments.beforeWidth, 8);
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assert.strictEqual(visibleWidth(segments.before), segments.beforeWidth);
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const tabFits = extractSegments(text, 11, 13, 10, true);
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assert.strictEqual(tabFits.before, "out 192M\t");
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assert.strictEqual(tabFits.beforeWidth, 11);
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assert.strictEqual(visibleWidth(tabFits.before), tabFits.beforeWidth);
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});
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it("keeps tabs inside terminal control sequences byte-identical", () => {
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const controlSequences = [
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"\x1b]8;;https://example.test/a\tb\x07",
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"\x1b]0;window\ttitle\x1b\\",
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"\x1b_payload\tdata\x1b\\",
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];
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for (const controlSequence of controlSequences) {
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assert.strictEqual(normalizeTerminalOutput(`${controlSequence}label\ttext`), `${controlSequence}label text`);
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}
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});
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it("keeps tab-containing overlays on one physical terminal row", async () => {
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const terminal = new CapturingVirtualTerminal(16, 3);
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const tui = new TUI(terminal);
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tui.addChild(new FullViewportContent());
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tui.showOverlay(new TabStatusOverlay(), { width: 4, row: 1, col: 4 });
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tui.start();
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try {
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await terminal.waitForRender();
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assert.deepStrictEqual(terminal.getViewport(), ["base 0 ", "base X ", "base 2 "]);
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assert.ok(!terminal.getOutput().includes("\t"));
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} finally {
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tui.stop();
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}
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});
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});
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