50 lines
1.6 KiB
TypeScript
50 lines
1.6 KiB
TypeScript
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import { EventEmitter } from "node:events";
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import { test, expect } from "vite-plus/test";
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import isInCi from "is-in-ci";
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import { bsu, esu, shouldSynchronize } from "../../../runtime/src/io/write-synchronized.ts";
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const createStream = ({ tty = false } = {}) => {
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const stream = new EventEmitter() as unknown as NodeJS.WriteStream;
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if (tty) {
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stream.isTTY = true;
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}
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return stream;
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};
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test("bsu is the expected synchronized update sequence", () => {
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expect(bsu).toBe("\x1b[?2026h");
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});
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test("esu is the expected synchronized update sequence", () => {
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expect(esu).toBe("\x1b[?2026l");
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});
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test("shouldSynchronize returns true for interactive TTY stream", () => {
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const stream = createStream({ tty: true });
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expect(shouldSynchronize(stream, true)).toBe(true);
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});
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test("shouldSynchronize returns false for non-interactive TTY stream", () => {
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const stream = createStream({ tty: true });
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expect(shouldSynchronize(stream, false)).toBe(false);
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});
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test("shouldSynchronize returns false for non-TTY stream", () => {
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const stream = createStream({ tty: false });
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expect(shouldSynchronize(stream, true)).toBe(false);
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});
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test("shouldSynchronize uses CI detection when interactive is not specified", () => {
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const ttyStream = createStream({ tty: true });
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if (isInCi) {
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expect(shouldSynchronize(ttyStream)).toBe(false);
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} else {
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expect(shouldSynchronize(ttyStream)).toBe(true);
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}
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});
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test("shouldSynchronize returns false for non-TTY stream when interactive is not specified", () => {
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const stream = createStream({ tty: false });
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expect(shouldSynchronize(stream)).toBe(false);
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});
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