mirror of
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e738edce6a
Subsystems: blob, child_process, common, crypto, http, http2, readline, repl, snapshot, trace_events PR-URL: https://github.com/nodejs/node/pull/49127 Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Debadree Chatterjee <debadree333@gmail.com>
361 lines
9.5 KiB
JavaScript
361 lines
9.5 KiB
JavaScript
'use strict';
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// Flags: --expose-internals
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const common = require('../common');
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const stream = require('stream');
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const REPL = require('internal/repl');
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const assert = require('assert');
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const fs = require('fs');
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const { inspect } = require('util');
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common.skipIfDumbTerminal();
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common.allowGlobals('aaaa');
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const tmpdir = require('../common/tmpdir');
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tmpdir.refresh();
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const defaultHistoryPath = tmpdir.resolve('.node_repl_history');
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// Create an input stream specialized for testing an array of actions
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class ActionStream extends stream.Stream {
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run(data) {
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const _iter = data[Symbol.iterator]();
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const doAction = () => {
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const next = _iter.next();
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if (next.done) {
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// Close the repl. Note that it must have a clean prompt to do so.
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this.emit('keypress', '', { ctrl: true, name: 'd' });
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return;
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}
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const action = next.value;
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if (typeof action === 'object') {
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this.emit('keypress', '', action);
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} else {
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this.emit('data', `${action}`);
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}
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setImmediate(doAction);
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};
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doAction();
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}
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resume() {}
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pause() {}
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}
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ActionStream.prototype.readable = true;
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// Mock keys
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const ENTER = { name: 'enter' };
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const UP = { name: 'up' };
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const DOWN = { name: 'down' };
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const BACKSPACE = { name: 'backspace' };
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const SEARCH_BACKWARDS = { name: 'r', ctrl: true };
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const SEARCH_FORWARDS = { name: 's', ctrl: true };
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const ESCAPE = { name: 'escape' };
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const CTRL_C = { name: 'c', ctrl: true };
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const DELETE_WORD_LEFT = { name: 'w', ctrl: true };
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const prompt = '> ';
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// TODO(BridgeAR): Add tests for lines that exceed the maximum columns.
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const tests = [
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{ // Creates few history to navigate for
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env: { NODE_REPL_HISTORY: defaultHistoryPath },
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test: [
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'console.log("foo")', ENTER,
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'ab = "aaaa"', ENTER,
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'repl.repl.historyIndex', ENTER,
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'console.log("foo")', ENTER,
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'let ba = 9', ENTER,
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'ab = "aaaa"', ENTER,
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'555 - 909', ENTER,
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'{key : {key2 :[] }}', ENTER,
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'Array(100).fill(1)', ENTER,
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],
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expected: [],
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clean: false
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},
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{
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env: { NODE_REPL_HISTORY: defaultHistoryPath },
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showEscapeCodes: true,
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checkTotal: true,
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useColors: true,
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test: [
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'7', // 1
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SEARCH_FORWARDS,
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SEARCH_FORWARDS, // 3
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'a',
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SEARCH_BACKWARDS, // 5
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SEARCH_FORWARDS,
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SEARCH_BACKWARDS, // 7
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'a',
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BACKSPACE, // 9
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DELETE_WORD_LEFT,
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'aa', // 11
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SEARCH_BACKWARDS,
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SEARCH_BACKWARDS, // 13
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SEARCH_BACKWARDS,
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SEARCH_BACKWARDS, // 15
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SEARCH_FORWARDS,
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ESCAPE, // 17
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ENTER,
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],
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// A = Cursor n up
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// B = Cursor n down
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// C = Cursor n forward
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// D = Cursor n back
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// G = Cursor to column n
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// J = Erase in screen; 0 = right; 1 = left; 2 = total
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// K = Erase in line; 0 = right; 1 = left; 2 = total
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expected: [
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// 0. Start
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'\x1B[1G', '\x1B[0J',
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prompt, '\x1B[3G',
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// 1. '7'
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'7',
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// 2. SEARCH FORWARDS
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'\nfwd-i-search: _', '\x1B[1A', '\x1B[4G',
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// 3. SEARCH FORWARDS
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'\x1B[3G', '\x1B[0J',
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'7\nfwd-i-search: _', '\x1B[1A', '\x1B[4G',
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// 4. 'a'
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'\x1B[3G', '\x1B[0J',
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'7\nfailed-fwd-i-search: a_', '\x1B[1A', '\x1B[4G',
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// 5. SEARCH BACKWARDS
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'\x1B[3G', '\x1B[0J',
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'Arr\x1B[4ma\x1B[24my(100).fill(1)\nbck-i-search: a_',
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'\x1B[1A', '\x1B[6G',
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// 6. SEARCH FORWARDS
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'\x1B[3G', '\x1B[0J',
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'7\nfailed-fwd-i-search: a_', '\x1B[1A', '\x1B[4G',
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// 7. SEARCH BACKWARDS
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'\x1B[3G', '\x1B[0J',
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'Arr\x1B[4ma\x1B[24my(100).fill(1)\nbck-i-search: a_',
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'\x1B[1A', '\x1B[6G',
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// 8. 'a'
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'\x1B[3G', '\x1B[0J',
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'ab = "aa\x1B[4maa\x1B[24m"\nbck-i-search: aa_',
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'\x1B[1A', '\x1B[11G',
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// 9. BACKSPACE
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'\x1B[3G', '\x1B[0J',
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'Arr\x1B[4ma\x1B[24my(100).fill(1)\nbck-i-search: a_',
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'\x1B[1A', '\x1B[6G',
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// 10. DELETE WORD LEFT (works as backspace)
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'\x1B[3G', '\x1B[0J',
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'7\nbck-i-search: _', '\x1B[1A', '\x1B[4G',
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// 11. 'a'
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'\x1B[3G', '\x1B[0J',
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'Arr\x1B[4ma\x1B[24my(100).fill(1)\nbck-i-search: a_',
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'\x1B[1A', '\x1B[6G',
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// 11. 'aa' - continued
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'\x1B[3G', '\x1B[0J',
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'ab = "aa\x1B[4maa\x1B[24m"\nbck-i-search: aa_',
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'\x1B[1A', '\x1B[11G',
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// 12. SEARCH BACKWARDS
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'\x1B[3G', '\x1B[0J',
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'ab = "a\x1B[4maa\x1B[24ma"\nbck-i-search: aa_',
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'\x1B[1A', '\x1B[10G',
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// 13. SEARCH BACKWARDS
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'\x1B[3G', '\x1B[0J',
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'ab = "\x1B[4maa\x1B[24maa"\nbck-i-search: aa_',
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'\x1B[1A', '\x1B[9G',
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// 14. SEARCH BACKWARDS
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'\x1B[3G', '\x1B[0J',
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'7\nfailed-bck-i-search: aa_', '\x1B[1A', '\x1B[4G',
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// 15. SEARCH BACKWARDS
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'\x1B[3G', '\x1B[0J',
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'7\nfailed-bck-i-search: aa_', '\x1B[1A', '\x1B[4G',
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// 16. SEARCH FORWARDS
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'\x1B[3G', '\x1B[0J',
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'ab = "\x1B[4maa\x1B[24maa"\nfwd-i-search: aa_',
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'\x1B[1A', '\x1B[9G',
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// 17. ESCAPE
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'\x1B[3G', '\x1B[0J',
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'7',
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// 18. ENTER
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'\r\n',
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'\x1B[33m7\x1B[39m\n',
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'\x1B[1G', '\x1B[0J',
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prompt,
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'\x1B[3G',
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'\r\n',
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],
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clean: false
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},
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{
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env: { NODE_REPL_HISTORY: defaultHistoryPath },
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showEscapeCodes: true,
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skip: !process.features.inspector,
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checkTotal: true,
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useColors: false,
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test: [
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'fu', // 1
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SEARCH_BACKWARDS,
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'}', // 3
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SEARCH_BACKWARDS,
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CTRL_C, // 5
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CTRL_C,
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'1+1', // 7
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ENTER,
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SEARCH_BACKWARDS, // 9
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'+',
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'\r', // 11
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'2',
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SEARCH_BACKWARDS, // 13
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're',
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UP, // 15
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DOWN,
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SEARCH_FORWARDS, // 17
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'\n',
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],
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expected: [
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'\x1B[1G', '\x1B[0J',
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prompt, '\x1B[3G',
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'f', 'u', '\nbck-i-search: _', '\x1B[1A', '\x1B[5G',
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'\x1B[3G', '\x1B[0J',
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'{key : {key2 :[] }}\nbck-i-search: }_', '\x1B[1A', '\x1B[21G',
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'\x1B[3G', '\x1B[0J',
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'{key : {key2 :[] }}\nbck-i-search: }_', '\x1B[1A', '\x1B[20G',
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'\x1B[3G', '\x1B[0J',
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'fu',
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'\r\n',
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'\x1B[1G', '\x1B[0J',
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prompt, '\x1B[3G',
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'1', '+', '1', '\n// 2', '\x1B[6G', '\x1B[1A',
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'\x1B[1B', '\x1B[2K', '\x1B[1A',
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'\r\n',
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'2\n',
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'\x1B[1G', '\x1B[0J',
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prompt, '\x1B[3G',
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'\nbck-i-search: _', '\x1B[1A',
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'\x1B[3G', '\x1B[0J',
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'1+1\nbck-i-search: +_', '\x1B[1A', '\x1B[4G',
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'\x1B[3G', '\x1B[0J',
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'1+1', '\x1B[4G',
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'\x1B[2C',
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'\r\n',
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'2\n',
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'\x1B[1G', '\x1B[0J',
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prompt, '\x1B[3G',
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'2',
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'\nbck-i-search: _', '\x1B[1A', '\x1B[4G',
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'\x1B[3G', '\x1B[0J',
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'Array(100).fill(1)\nbck-i-search: r_', '\x1B[1A', '\x1B[5G',
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'\x1B[3G', '\x1B[0J',
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'repl.repl.historyIndex\nbck-i-search: re_', '\x1B[1A', '\x1B[8G',
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'\x1B[3G', '\x1B[0J',
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'repl.repl.historyIndex', '\x1B[8G',
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'\x1B[1G', '\x1B[0J',
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`${prompt}ab = "aaaa"`, '\x1B[14G',
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'\x1B[1G', '\x1B[0J',
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`${prompt}repl.repl.historyIndex`, '\x1B[25G', '\n// 8',
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'\x1B[25G', '\x1B[1A',
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'\x1B[1B', '\x1B[2K', '\x1B[1A',
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'\nfwd-i-search: _', '\x1B[1A', '\x1B[25G',
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'\x1B[3G', '\x1B[0J',
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'repl.repl.historyIndex',
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'\r\n',
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'-1\n',
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'\x1B[1G', '\x1B[0J',
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prompt, '\x1B[3G',
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'\r\n',
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],
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clean: false
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},
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];
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const numtests = tests.length;
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const runTestWrap = common.mustCall(runTest, numtests);
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function cleanupTmpFile() {
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try {
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// Write over the file, clearing any history
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fs.writeFileSync(defaultHistoryPath, '');
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} catch (err) {
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if (err.code === 'ENOENT') return true;
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throw err;
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}
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return true;
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}
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function runTest() {
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const opts = tests.shift();
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if (!opts) return; // All done
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const { expected, skip } = opts;
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// Test unsupported on platform.
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if (skip) {
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setImmediate(runTestWrap, true);
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return;
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}
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const lastChunks = [];
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let i = 0;
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REPL.createInternalRepl(opts.env, {
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input: new ActionStream(),
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output: new stream.Writable({
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write(chunk, _, next) {
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const output = chunk.toString();
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if (!opts.showEscapeCodes &&
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(output[0] === '\x1B' || /^[\r\n]+$/.test(output))) {
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return next();
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}
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lastChunks.push(output);
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if (expected.length && !opts.checkTotal) {
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try {
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assert.strictEqual(output, expected[i]);
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} catch (e) {
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console.error(`Failed test # ${numtests - tests.length}`);
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console.error('Last outputs: ' + inspect(lastChunks, {
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breakLength: 5, colors: true
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}));
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throw e;
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}
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i++;
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}
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next();
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}
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}),
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completer: opts.completer,
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prompt,
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useColors: opts.useColors || false,
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terminal: true
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}, function(err, repl) {
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if (err) {
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console.error(`Failed test # ${numtests - tests.length}`);
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throw err;
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}
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repl.once('close', () => {
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if (opts.clean)
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cleanupTmpFile();
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if (opts.checkTotal) {
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assert.deepStrictEqual(lastChunks, expected);
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} else if (expected.length !== i) {
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console.error(tests[numtests - tests.length - 1]);
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throw new Error(`Failed test # ${numtests - tests.length}`);
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}
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setImmediate(runTestWrap, true);
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});
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if (opts.columns) {
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Object.defineProperty(repl, 'columns', {
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value: opts.columns,
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enumerable: true
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});
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}
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repl.inputStream.run(opts.test);
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});
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}
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// run the tests
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runTest();
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