1332 lines
39 KiB
JavaScript
1332 lines
39 KiB
JavaScript
// Copyright Joyent, Inc. and other Node contributors.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a
|
|
// copy of this software and associated documentation files (the
|
|
// "Software"), to deal in the Software without restriction, including
|
|
// without limitation the rights to use, copy, modify, merge, publish,
|
|
// distribute, sublicense, and/or sell copies of the Software, and to permit
|
|
// persons to whom the Software is furnished to do so, subject to the
|
|
// following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included
|
|
// in all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
|
|
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
|
|
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
|
|
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
|
|
// USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
|
|
// Flags: --expose-internals
|
|
'use strict';
|
|
const common = require('../common');
|
|
common.skipIfDumbTerminal();
|
|
|
|
const assert = require('assert');
|
|
const readline = require('readline');
|
|
const {
|
|
getStringWidth,
|
|
stripVTControlCharacters
|
|
} = require('internal/util/inspect');
|
|
const EventEmitter = require('events').EventEmitter;
|
|
const { Writable, Readable } = require('stream');
|
|
|
|
class FakeInput extends EventEmitter {
|
|
resume() {}
|
|
pause() {}
|
|
write() {}
|
|
end() {}
|
|
}
|
|
|
|
function isWarned(emitter) {
|
|
for (const name in emitter) {
|
|
const listeners = emitter[name];
|
|
if (listeners.warned) return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
{
|
|
// Default crlfDelay is 100ms
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface({ input: fi, output: fi });
|
|
assert.strictEqual(rli.crlfDelay, 100);
|
|
rli.close();
|
|
}
|
|
|
|
{
|
|
// Minimum crlfDelay is 100ms
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface({ input: fi, output: fi, crlfDelay: 0 });
|
|
assert.strictEqual(rli.crlfDelay, 100);
|
|
rli.close();
|
|
}
|
|
|
|
{
|
|
// Set crlfDelay to float 100.5ms
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface({
|
|
input: fi,
|
|
output: fi,
|
|
crlfDelay: 100.5
|
|
});
|
|
assert.strictEqual(rli.crlfDelay, 100.5);
|
|
rli.close();
|
|
}
|
|
|
|
{
|
|
// Set crlfDelay to 5000ms
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface({
|
|
input: fi,
|
|
output: fi,
|
|
crlfDelay: 5000
|
|
});
|
|
assert.strictEqual(rli.crlfDelay, 5000);
|
|
rli.close();
|
|
}
|
|
|
|
[ true, false ].forEach(function(terminal) {
|
|
// disable history
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface(
|
|
{ input: fi, output: fi, terminal: terminal, historySize: 0 }
|
|
);
|
|
assert.strictEqual(rli.historySize, 0);
|
|
|
|
fi.emit('data', 'asdf\n');
|
|
assert.deepStrictEqual(rli.history, terminal ? [] : undefined);
|
|
rli.close();
|
|
}
|
|
|
|
// Default history size 30
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface(
|
|
{ input: fi, output: fi, terminal: terminal }
|
|
);
|
|
assert.strictEqual(rli.historySize, 30);
|
|
|
|
fi.emit('data', 'asdf\n');
|
|
assert.deepStrictEqual(rli.history, terminal ? ['asdf'] : undefined);
|
|
rli.close();
|
|
}
|
|
|
|
// sending a full line
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface(
|
|
{ input: fi, output: fi, terminal: terminal }
|
|
);
|
|
let called = false;
|
|
rli.on('line', function(line) {
|
|
called = true;
|
|
assert.strictEqual(line, 'asdf');
|
|
});
|
|
fi.emit('data', 'asdf\n');
|
|
assert.ok(called);
|
|
}
|
|
|
|
// Sending a blank line
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface(
|
|
{ input: fi, output: fi, terminal: terminal }
|
|
);
|
|
let called = false;
|
|
rli.on('line', function(line) {
|
|
called = true;
|
|
assert.strictEqual(line, '');
|
|
});
|
|
fi.emit('data', '\n');
|
|
assert.ok(called);
|
|
}
|
|
|
|
// Sending a single character with no newline
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface(fi, {});
|
|
let called = false;
|
|
rli.on('line', function(line) {
|
|
called = true;
|
|
});
|
|
fi.emit('data', 'a');
|
|
assert.ok(!called);
|
|
rli.close();
|
|
}
|
|
|
|
// Sending a single character with no newline and then a newline
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface(
|
|
{ input: fi, output: fi, terminal: terminal }
|
|
);
|
|
let called = false;
|
|
rli.on('line', function(line) {
|
|
called = true;
|
|
assert.strictEqual(line, 'a');
|
|
});
|
|
fi.emit('data', 'a');
|
|
assert.ok(!called);
|
|
fi.emit('data', '\n');
|
|
assert.ok(called);
|
|
rli.close();
|
|
}
|
|
|
|
// Sending multiple newlines at once
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface(
|
|
{ input: fi, output: fi, terminal: terminal }
|
|
);
|
|
const expectedLines = ['foo', 'bar', 'baz'];
|
|
let callCount = 0;
|
|
rli.on('line', function(line) {
|
|
assert.strictEqual(line, expectedLines[callCount]);
|
|
callCount++;
|
|
});
|
|
fi.emit('data', `${expectedLines.join('\n')}\n`);
|
|
assert.strictEqual(callCount, expectedLines.length);
|
|
rli.close();
|
|
}
|
|
|
|
// Sending multiple newlines at once that does not end with a new line
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface(
|
|
{ input: fi, output: fi, terminal: terminal }
|
|
);
|
|
const expectedLines = ['foo', 'bar', 'baz', 'bat'];
|
|
let callCount = 0;
|
|
rli.on('line', function(line) {
|
|
assert.strictEqual(line, expectedLines[callCount]);
|
|
callCount++;
|
|
});
|
|
fi.emit('data', expectedLines.join('\n'));
|
|
assert.strictEqual(callCount, expectedLines.length - 1);
|
|
rli.close();
|
|
}
|
|
|
|
// Sending multiple newlines at once that does not end with a new(empty)
|
|
// line and a `end` event
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface(
|
|
{ input: fi, output: fi, terminal: terminal }
|
|
);
|
|
const expectedLines = ['foo', 'bar', 'baz', ''];
|
|
let callCount = 0;
|
|
rli.on('line', function(line) {
|
|
assert.strictEqual(line, expectedLines[callCount]);
|
|
callCount++;
|
|
});
|
|
rli.on('close', function() {
|
|
callCount++;
|
|
});
|
|
fi.emit('data', expectedLines.join('\n'));
|
|
fi.emit('end');
|
|
assert.strictEqual(callCount, expectedLines.length);
|
|
rli.close();
|
|
}
|
|
|
|
// Sending multiple newlines at once that does not end with a new line
|
|
// and a `end` event(last line is)
|
|
|
|
// \r should behave like \n when alone
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface(
|
|
{ input: fi, output: fi, terminal: true }
|
|
);
|
|
const expectedLines = ['foo', 'bar', 'baz', 'bat'];
|
|
let callCount = 0;
|
|
rli.on('line', function(line) {
|
|
assert.strictEqual(line, expectedLines[callCount]);
|
|
callCount++;
|
|
});
|
|
fi.emit('data', expectedLines.join('\r'));
|
|
assert.strictEqual(callCount, expectedLines.length - 1);
|
|
rli.close();
|
|
}
|
|
|
|
// \r at start of input should output blank line
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface(
|
|
{ input: fi, output: fi, terminal: true }
|
|
);
|
|
const expectedLines = ['', 'foo' ];
|
|
let callCount = 0;
|
|
rli.on('line', function(line) {
|
|
assert.strictEqual(line, expectedLines[callCount]);
|
|
callCount++;
|
|
});
|
|
fi.emit('data', '\rfoo\r');
|
|
assert.strictEqual(callCount, expectedLines.length);
|
|
rli.close();
|
|
}
|
|
|
|
// Emit two line events when the delay
|
|
// between \r and \n exceeds crlfDelay
|
|
{
|
|
const fi = new FakeInput();
|
|
const delay = 200;
|
|
const rli = new readline.Interface({
|
|
input: fi,
|
|
output: fi,
|
|
terminal: terminal,
|
|
crlfDelay: delay
|
|
});
|
|
let callCount = 0;
|
|
rli.on('line', function(line) {
|
|
callCount++;
|
|
});
|
|
fi.emit('data', '\r');
|
|
setTimeout(common.mustCall(() => {
|
|
fi.emit('data', '\n');
|
|
assert.strictEqual(callCount, 2);
|
|
rli.close();
|
|
}), delay * 2);
|
|
}
|
|
|
|
// Set crlfDelay to `Infinity` is allowed
|
|
{
|
|
const fi = new FakeInput();
|
|
const delay = 200;
|
|
const crlfDelay = Infinity;
|
|
const rli = new readline.Interface({
|
|
input: fi,
|
|
output: fi,
|
|
terminal: terminal,
|
|
crlfDelay
|
|
});
|
|
let callCount = 0;
|
|
rli.on('line', function(line) {
|
|
callCount++;
|
|
});
|
|
fi.emit('data', '\r');
|
|
setTimeout(common.mustCall(() => {
|
|
fi.emit('data', '\n');
|
|
assert.strictEqual(callCount, 1);
|
|
rli.close();
|
|
}), delay);
|
|
}
|
|
|
|
// \t when there is no completer function should behave like an ordinary
|
|
// character
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface(
|
|
{ input: fi, output: fi, terminal: true }
|
|
);
|
|
let called = false;
|
|
rli.on('line', function(line) {
|
|
assert.strictEqual(line, '\t');
|
|
assert.strictEqual(called, false);
|
|
called = true;
|
|
});
|
|
fi.emit('data', '\t');
|
|
fi.emit('data', '\n');
|
|
assert.ok(called);
|
|
rli.close();
|
|
}
|
|
|
|
// \t does not become part of the input when there is a completer function
|
|
{
|
|
const fi = new FakeInput();
|
|
const completer = (line) => [[], line];
|
|
const rli = new readline.Interface({
|
|
input: fi,
|
|
output: fi,
|
|
terminal: true,
|
|
completer: completer
|
|
});
|
|
let called = false;
|
|
rli.on('line', function(line) {
|
|
assert.strictEqual(line, 'foo');
|
|
assert.strictEqual(called, false);
|
|
called = true;
|
|
});
|
|
for (const character of '\tfo\to\t') {
|
|
fi.emit('data', character);
|
|
}
|
|
fi.emit('data', '\n');
|
|
assert.ok(called);
|
|
rli.close();
|
|
}
|
|
|
|
// Constructor throws if completer is not a function or undefined
|
|
{
|
|
const fi = new FakeInput();
|
|
assert.throws(() => {
|
|
readline.createInterface({
|
|
input: fi,
|
|
completer: 'string is not valid'
|
|
});
|
|
}, {
|
|
name: 'TypeError',
|
|
code: 'ERR_INVALID_OPT_VALUE'
|
|
});
|
|
}
|
|
|
|
// Constructor throws if historySize is not a positive number
|
|
{
|
|
const fi = new FakeInput();
|
|
assert.throws(() => {
|
|
readline.createInterface({
|
|
input: fi, historySize: 'not a number'
|
|
});
|
|
}, {
|
|
name: 'RangeError',
|
|
code: 'ERR_INVALID_OPT_VALUE'
|
|
});
|
|
|
|
assert.throws(() => {
|
|
readline.createInterface({
|
|
input: fi, historySize: -1
|
|
});
|
|
}, {
|
|
name: 'RangeError',
|
|
code: 'ERR_INVALID_OPT_VALUE'
|
|
});
|
|
|
|
assert.throws(() => {
|
|
readline.createInterface({
|
|
input: fi, historySize: NaN
|
|
});
|
|
}, {
|
|
name: 'RangeError',
|
|
code: 'ERR_INVALID_OPT_VALUE'
|
|
});
|
|
}
|
|
|
|
// Duplicate lines are removed from history when
|
|
// `options.removeHistoryDuplicates` is `true`
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface({
|
|
input: fi,
|
|
output: fi,
|
|
terminal: true,
|
|
removeHistoryDuplicates: true
|
|
});
|
|
const expectedLines = ['foo', 'bar', 'baz', 'bar', 'bat', 'bat'];
|
|
// ['foo', 'baz', 'bar', bat'];
|
|
let callCount = 0;
|
|
rli.on('line', function(line) {
|
|
assert.strictEqual(line, expectedLines[callCount]);
|
|
callCount++;
|
|
});
|
|
fi.emit('data', `${expectedLines.join('\n')}\n`);
|
|
assert.strictEqual(callCount, expectedLines.length);
|
|
fi.emit('keypress', '.', { name: 'up' }); // 'bat'
|
|
assert.strictEqual(rli.line, expectedLines[--callCount]);
|
|
fi.emit('keypress', '.', { name: 'up' }); // 'bar'
|
|
assert.notStrictEqual(rli.line, expectedLines[--callCount]);
|
|
assert.strictEqual(rli.line, expectedLines[--callCount]);
|
|
fi.emit('keypress', '.', { name: 'up' }); // 'baz'
|
|
assert.strictEqual(rli.line, expectedLines[--callCount]);
|
|
fi.emit('keypress', '.', { name: 'up' }); // 'foo'
|
|
assert.notStrictEqual(rli.line, expectedLines[--callCount]);
|
|
assert.strictEqual(rli.line, expectedLines[--callCount]);
|
|
assert.strictEqual(callCount, 0);
|
|
fi.emit('keypress', '.', { name: 'down' }); // 'baz'
|
|
assert.strictEqual(rli.line, 'baz');
|
|
assert.strictEqual(rli.historyIndex, 2);
|
|
fi.emit('keypress', '.', { name: 'n', ctrl: true }); // 'bar'
|
|
assert.strictEqual(rli.line, 'bar');
|
|
assert.strictEqual(rli.historyIndex, 1);
|
|
fi.emit('keypress', '.', { name: 'n', ctrl: true });
|
|
assert.strictEqual(rli.line, 'bat');
|
|
assert.strictEqual(rli.historyIndex, 0);
|
|
// Activate the substring history search.
|
|
fi.emit('keypress', '.', { name: 'down' }); // 'bat'
|
|
assert.strictEqual(rli.line, 'bat');
|
|
assert.strictEqual(rli.historyIndex, -1);
|
|
// Deactivate substring history search.
|
|
fi.emit('keypress', '.', { name: 'backspace' }); // 'ba'
|
|
assert.strictEqual(rli.historyIndex, -1);
|
|
assert.strictEqual(rli.line, 'ba');
|
|
// Activate the substring history search.
|
|
fi.emit('keypress', '.', { name: 'down' }); // 'ba'
|
|
assert.strictEqual(rli.historyIndex, -1);
|
|
assert.strictEqual(rli.line, 'ba');
|
|
fi.emit('keypress', '.', { name: 'down' }); // 'ba'
|
|
assert.strictEqual(rli.historyIndex, -1);
|
|
assert.strictEqual(rli.line, 'ba');
|
|
fi.emit('keypress', '.', { name: 'up' }); // 'bat'
|
|
assert.strictEqual(rli.historyIndex, 0);
|
|
assert.strictEqual(rli.line, 'bat');
|
|
fi.emit('keypress', '.', { name: 'up' }); // 'bar'
|
|
assert.strictEqual(rli.historyIndex, 1);
|
|
assert.strictEqual(rli.line, 'bar');
|
|
fi.emit('keypress', '.', { name: 'up' }); // 'baz'
|
|
assert.strictEqual(rli.historyIndex, 2);
|
|
assert.strictEqual(rli.line, 'baz');
|
|
fi.emit('keypress', '.', { name: 'up' }); // 'ba'
|
|
assert.strictEqual(rli.historyIndex, 4);
|
|
assert.strictEqual(rli.line, 'ba');
|
|
fi.emit('keypress', '.', { name: 'up' }); // 'ba'
|
|
assert.strictEqual(rli.historyIndex, 4);
|
|
assert.strictEqual(rli.line, 'ba');
|
|
// Deactivate substring history search and reset history index.
|
|
fi.emit('keypress', '.', { name: 'right' }); // 'ba'
|
|
assert.strictEqual(rli.historyIndex, -1);
|
|
assert.strictEqual(rli.line, 'ba');
|
|
// Substring history search activated.
|
|
fi.emit('keypress', '.', { name: 'up' }); // 'ba'
|
|
assert.strictEqual(rli.historyIndex, 0);
|
|
assert.strictEqual(rli.line, 'bat');
|
|
rli.close();
|
|
}
|
|
|
|
// Duplicate lines are not removed from history when
|
|
// `options.removeHistoryDuplicates` is `false`
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface({
|
|
input: fi,
|
|
output: fi,
|
|
terminal: true,
|
|
removeHistoryDuplicates: false
|
|
});
|
|
const expectedLines = ['foo', 'bar', 'baz', 'bar', 'bat', 'bat'];
|
|
let callCount = 0;
|
|
rli.on('line', function(line) {
|
|
assert.strictEqual(line, expectedLines[callCount]);
|
|
callCount++;
|
|
});
|
|
fi.emit('data', `${expectedLines.join('\n')}\n`);
|
|
assert.strictEqual(callCount, expectedLines.length);
|
|
fi.emit('keypress', '.', { name: 'up' }); // 'bat'
|
|
assert.strictEqual(rli.line, expectedLines[--callCount]);
|
|
fi.emit('keypress', '.', { name: 'up' }); // 'bar'
|
|
assert.notStrictEqual(rli.line, expectedLines[--callCount]);
|
|
assert.strictEqual(rli.line, expectedLines[--callCount]);
|
|
fi.emit('keypress', '.', { name: 'up' }); // 'baz'
|
|
assert.strictEqual(rli.line, expectedLines[--callCount]);
|
|
fi.emit('keypress', '.', { name: 'up' }); // 'bar'
|
|
assert.strictEqual(rli.line, expectedLines[--callCount]);
|
|
fi.emit('keypress', '.', { name: 'up' }); // 'foo'
|
|
assert.strictEqual(rli.line, expectedLines[--callCount]);
|
|
assert.strictEqual(callCount, 0);
|
|
rli.close();
|
|
}
|
|
|
|
// Sending a multi-byte utf8 char over multiple writes
|
|
{
|
|
const buf = Buffer.from('☮', 'utf8');
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface(
|
|
{ input: fi, output: fi, terminal: terminal }
|
|
);
|
|
let callCount = 0;
|
|
rli.on('line', function(line) {
|
|
callCount++;
|
|
assert.strictEqual(line, buf.toString('utf8'));
|
|
});
|
|
[].forEach.call(buf, function(i) {
|
|
fi.emit('data', Buffer.from([i]));
|
|
});
|
|
assert.strictEqual(callCount, 0);
|
|
fi.emit('data', '\n');
|
|
assert.strictEqual(callCount, 1);
|
|
rli.close();
|
|
}
|
|
|
|
// Regression test for repl freeze, #1968:
|
|
// check that nothing fails if 'keypress' event throws.
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface(
|
|
{ input: fi, output: fi, terminal: true }
|
|
);
|
|
const keys = [];
|
|
const err = new Error('bad thing happened');
|
|
fi.on('keypress', function(key) {
|
|
keys.push(key);
|
|
if (key === 'X') {
|
|
throw err;
|
|
}
|
|
});
|
|
assert.throws(
|
|
() => fi.emit('data', 'fooX'),
|
|
(e) => {
|
|
assert.strictEqual(e, err);
|
|
return true;
|
|
}
|
|
);
|
|
fi.emit('data', 'bar');
|
|
assert.strictEqual(keys.join(''), 'fooXbar');
|
|
rli.close();
|
|
}
|
|
|
|
// Calling readline without `new`
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = readline.Interface(
|
|
{ input: fi, output: fi, terminal: terminal }
|
|
);
|
|
let called = false;
|
|
rli.on('line', function(line) {
|
|
called = true;
|
|
assert.strictEqual(line, 'asdf');
|
|
});
|
|
fi.emit('data', 'asdf\n');
|
|
assert.ok(called);
|
|
rli.close();
|
|
}
|
|
|
|
// Calling the question callback
|
|
{
|
|
let called = false;
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface(
|
|
{ input: fi, output: fi, terminal: terminal }
|
|
);
|
|
rli.question('foo?', function(answer) {
|
|
called = true;
|
|
assert.strictEqual(answer, 'bar');
|
|
});
|
|
rli.write('bar\n');
|
|
assert.ok(called);
|
|
rli.close();
|
|
}
|
|
|
|
if (terminal) {
|
|
// history is bound
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface(
|
|
{ input: fi, output: fi, terminal, historySize: 2 }
|
|
);
|
|
const lines = ['line 1', 'line 2', 'line 3'];
|
|
fi.emit('data', lines.join('\n') + '\n');
|
|
assert.strictEqual(rli.history.length, 2);
|
|
assert.strictEqual(rli.history[0], 'line 3');
|
|
assert.strictEqual(rli.history[1], 'line 2');
|
|
}
|
|
// question
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface(
|
|
{ input: fi, output: fi, terminal: terminal }
|
|
);
|
|
const expectedLines = ['foo'];
|
|
rli.question(expectedLines[0], function() {
|
|
rli.close();
|
|
});
|
|
const cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 0);
|
|
assert.strictEqual(cursorPos.cols, expectedLines[0].length);
|
|
rli.close();
|
|
}
|
|
|
|
// Sending a multi-line question
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface(
|
|
{ input: fi, output: fi, terminal: terminal }
|
|
);
|
|
const expectedLines = ['foo', 'bar'];
|
|
rli.question(expectedLines.join('\n'), function() {
|
|
rli.close();
|
|
});
|
|
const cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, expectedLines.length - 1);
|
|
assert.strictEqual(cursorPos.cols, expectedLines.slice(-1)[0].length);
|
|
rli.close();
|
|
}
|
|
|
|
{
|
|
// Beginning and end of line
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface({
|
|
input: fi,
|
|
output: fi,
|
|
prompt: '',
|
|
terminal: terminal
|
|
});
|
|
fi.emit('data', 'the quick brown fox');
|
|
fi.emit('keypress', '.', { ctrl: true, name: 'a' });
|
|
let cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 0);
|
|
assert.strictEqual(cursorPos.cols, 0);
|
|
fi.emit('keypress', '.', { ctrl: true, name: 'e' });
|
|
cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 0);
|
|
assert.strictEqual(cursorPos.cols, 19);
|
|
rli.close();
|
|
}
|
|
|
|
{
|
|
// Back and Forward one character
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface({
|
|
input: fi,
|
|
output: fi,
|
|
prompt: '',
|
|
terminal: terminal
|
|
});
|
|
fi.emit('data', 'the quick brown fox');
|
|
let cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 0);
|
|
assert.strictEqual(cursorPos.cols, 19);
|
|
|
|
// Back one character
|
|
fi.emit('keypress', '.', { ctrl: true, name: 'b' });
|
|
cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 0);
|
|
assert.strictEqual(cursorPos.cols, 18);
|
|
// Back one character
|
|
fi.emit('keypress', '.', { ctrl: true, name: 'b' });
|
|
cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 0);
|
|
assert.strictEqual(cursorPos.cols, 17);
|
|
// Forward one character
|
|
fi.emit('keypress', '.', { ctrl: true, name: 'f' });
|
|
cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 0);
|
|
assert.strictEqual(cursorPos.cols, 18);
|
|
// Forward one character
|
|
fi.emit('keypress', '.', { ctrl: true, name: 'f' });
|
|
cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 0);
|
|
assert.strictEqual(cursorPos.cols, 19);
|
|
rli.close();
|
|
}
|
|
|
|
// Back and Forward one astral character
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface({
|
|
input: fi,
|
|
output: fi,
|
|
prompt: '',
|
|
terminal: terminal
|
|
});
|
|
fi.emit('data', '💻');
|
|
|
|
// Move left one character/code point
|
|
fi.emit('keypress', '.', { name: 'left' });
|
|
let cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 0);
|
|
assert.strictEqual(cursorPos.cols, 0);
|
|
|
|
// Move right one character/code point
|
|
fi.emit('keypress', '.', { name: 'right' });
|
|
cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 0);
|
|
assert.strictEqual(cursorPos.cols, 2);
|
|
|
|
rli.on('line', common.mustCall((line) => {
|
|
assert.strictEqual(line, '💻');
|
|
}));
|
|
fi.emit('data', '\n');
|
|
rli.close();
|
|
}
|
|
|
|
// Two astral characters left
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface({
|
|
input: fi,
|
|
output: fi,
|
|
prompt: '',
|
|
terminal: terminal
|
|
});
|
|
fi.emit('data', '💻');
|
|
|
|
// Move left one character/code point
|
|
fi.emit('keypress', '.', { name: 'left' });
|
|
let cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 0);
|
|
assert.strictEqual(cursorPos.cols, 0);
|
|
|
|
fi.emit('data', '🐕');
|
|
cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 0);
|
|
assert.strictEqual(cursorPos.cols, 2);
|
|
|
|
rli.on('line', common.mustCall((line) => {
|
|
assert.strictEqual(line, '🐕💻');
|
|
}));
|
|
fi.emit('data', '\n');
|
|
rli.close();
|
|
}
|
|
|
|
// Two astral characters right
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface({
|
|
input: fi,
|
|
output: fi,
|
|
prompt: '',
|
|
terminal: terminal
|
|
});
|
|
fi.emit('data', '💻');
|
|
|
|
// Move left one character/code point
|
|
fi.emit('keypress', '.', { name: 'right' });
|
|
let cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 0);
|
|
assert.strictEqual(cursorPos.cols, 2);
|
|
|
|
fi.emit('data', '🐕');
|
|
cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 0);
|
|
assert.strictEqual(cursorPos.cols, 4);
|
|
|
|
rli.on('line', common.mustCall((line) => {
|
|
assert.strictEqual(line, '💻🐕');
|
|
}));
|
|
fi.emit('data', '\n');
|
|
rli.close();
|
|
}
|
|
|
|
{
|
|
// `wordLeft` and `wordRight`
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface({
|
|
input: fi,
|
|
output: fi,
|
|
prompt: '',
|
|
terminal: terminal
|
|
});
|
|
fi.emit('data', 'the quick brown fox');
|
|
fi.emit('keypress', '.', { ctrl: true, name: 'left' });
|
|
let cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 0);
|
|
assert.strictEqual(cursorPos.cols, 16);
|
|
fi.emit('keypress', '.', { meta: true, name: 'b' });
|
|
cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 0);
|
|
assert.strictEqual(cursorPos.cols, 10);
|
|
fi.emit('keypress', '.', { ctrl: true, name: 'right' });
|
|
cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 0);
|
|
assert.strictEqual(cursorPos.cols, 16);
|
|
fi.emit('keypress', '.', { meta: true, name: 'f' });
|
|
cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 0);
|
|
assert.strictEqual(cursorPos.cols, 19);
|
|
rli.close();
|
|
}
|
|
|
|
{
|
|
// `deleteWordLeft`
|
|
[
|
|
{ ctrl: true, name: 'w' },
|
|
{ ctrl: true, name: 'backspace' },
|
|
{ meta: true, name: 'backspace' }
|
|
]
|
|
.forEach((deleteWordLeftKey) => {
|
|
let fi = new FakeInput();
|
|
let rli = new readline.Interface({
|
|
input: fi,
|
|
output: fi,
|
|
prompt: '',
|
|
terminal: terminal
|
|
});
|
|
fi.emit('data', 'the quick brown fox');
|
|
fi.emit('keypress', '.', { ctrl: true, name: 'left' });
|
|
rli.on('line', common.mustCall((line) => {
|
|
assert.strictEqual(line, 'the quick fox');
|
|
}));
|
|
fi.emit('keypress', '.', deleteWordLeftKey);
|
|
fi.emit('data', '\n');
|
|
rli.close();
|
|
|
|
// No effect if pressed at beginning of line
|
|
fi = new FakeInput();
|
|
rli = new readline.Interface({
|
|
input: fi,
|
|
output: fi,
|
|
prompt: '',
|
|
terminal: terminal
|
|
});
|
|
fi.emit('data', 'the quick brown fox');
|
|
fi.emit('keypress', '.', { ctrl: true, name: 'a' });
|
|
rli.on('line', common.mustCall((line) => {
|
|
assert.strictEqual(line, 'the quick brown fox');
|
|
}));
|
|
fi.emit('keypress', '.', deleteWordLeftKey);
|
|
fi.emit('data', '\n');
|
|
rli.close();
|
|
});
|
|
}
|
|
|
|
{
|
|
// `deleteWordRight`
|
|
[
|
|
{ ctrl: true, name: 'delete' },
|
|
{ meta: true, name: 'delete' },
|
|
{ meta: true, name: 'd' }
|
|
]
|
|
.forEach((deleteWordRightKey) => {
|
|
let fi = new FakeInput();
|
|
let rli = new readline.Interface({
|
|
input: fi,
|
|
output: fi,
|
|
prompt: '',
|
|
terminal: terminal
|
|
});
|
|
fi.emit('data', 'the quick brown fox');
|
|
fi.emit('keypress', '.', { ctrl: true, name: 'left' });
|
|
fi.emit('keypress', '.', { ctrl: true, name: 'left' });
|
|
rli.on('line', common.mustCall((line) => {
|
|
assert.strictEqual(line, 'the quick fox');
|
|
}));
|
|
fi.emit('keypress', '.', deleteWordRightKey);
|
|
fi.emit('data', '\n');
|
|
rli.close();
|
|
|
|
// No effect if pressed at end of line
|
|
fi = new FakeInput();
|
|
rli = new readline.Interface({
|
|
input: fi,
|
|
output: fi,
|
|
prompt: '',
|
|
terminal: terminal
|
|
});
|
|
fi.emit('data', 'the quick brown fox');
|
|
rli.on('line', common.mustCall((line) => {
|
|
assert.strictEqual(line, 'the quick brown fox');
|
|
}));
|
|
fi.emit('keypress', '.', deleteWordRightKey);
|
|
fi.emit('data', '\n');
|
|
rli.close();
|
|
});
|
|
}
|
|
|
|
// deleteLeft
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface({
|
|
input: fi,
|
|
output: fi,
|
|
prompt: '',
|
|
terminal: terminal
|
|
});
|
|
fi.emit('data', 'the quick brown fox');
|
|
let cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 0);
|
|
assert.strictEqual(cursorPos.cols, 19);
|
|
|
|
// Delete left character
|
|
fi.emit('keypress', '.', { ctrl: true, name: 'h' });
|
|
cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 0);
|
|
assert.strictEqual(cursorPos.cols, 18);
|
|
rli.on('line', common.mustCall((line) => {
|
|
assert.strictEqual(line, 'the quick brown fo');
|
|
}));
|
|
fi.emit('data', '\n');
|
|
rli.close();
|
|
}
|
|
|
|
// deleteLeft astral character
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface({
|
|
input: fi,
|
|
output: fi,
|
|
prompt: '',
|
|
terminal: terminal
|
|
});
|
|
fi.emit('data', '💻');
|
|
let cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 0);
|
|
assert.strictEqual(cursorPos.cols, 2);
|
|
// Delete left character
|
|
fi.emit('keypress', '.', { ctrl: true, name: 'h' });
|
|
cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 0);
|
|
assert.strictEqual(cursorPos.cols, 0);
|
|
rli.on('line', common.mustCall((line) => {
|
|
assert.strictEqual(line, '');
|
|
}));
|
|
fi.emit('data', '\n');
|
|
rli.close();
|
|
}
|
|
|
|
// deleteRight
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface({
|
|
input: fi,
|
|
output: fi,
|
|
prompt: '',
|
|
terminal: terminal
|
|
});
|
|
fi.emit('data', 'the quick brown fox');
|
|
|
|
// Go to the start of the line
|
|
fi.emit('keypress', '.', { ctrl: true, name: 'a' });
|
|
let cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 0);
|
|
assert.strictEqual(cursorPos.cols, 0);
|
|
|
|
// Delete right character
|
|
fi.emit('keypress', '.', { ctrl: true, name: 'd' });
|
|
cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 0);
|
|
assert.strictEqual(cursorPos.cols, 0);
|
|
rli.on('line', common.mustCall((line) => {
|
|
assert.strictEqual(line, 'he quick brown fox');
|
|
}));
|
|
fi.emit('data', '\n');
|
|
rli.close();
|
|
}
|
|
|
|
// deleteRight astral character
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface({
|
|
input: fi,
|
|
output: fi,
|
|
prompt: '',
|
|
terminal: terminal
|
|
});
|
|
fi.emit('data', '💻');
|
|
|
|
// Go to the start of the line
|
|
fi.emit('keypress', '.', { ctrl: true, name: 'a' });
|
|
let cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 0);
|
|
assert.strictEqual(cursorPos.cols, 0);
|
|
|
|
// Delete right character
|
|
fi.emit('keypress', '.', { ctrl: true, name: 'd' });
|
|
cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 0);
|
|
assert.strictEqual(cursorPos.cols, 0);
|
|
rli.on('line', common.mustCall((line) => {
|
|
assert.strictEqual(line, '');
|
|
}));
|
|
fi.emit('data', '\n');
|
|
rli.close();
|
|
}
|
|
|
|
// deleteLineLeft
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface({
|
|
input: fi,
|
|
output: fi,
|
|
prompt: '',
|
|
terminal: terminal
|
|
});
|
|
fi.emit('data', 'the quick brown fox');
|
|
let cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 0);
|
|
assert.strictEqual(cursorPos.cols, 19);
|
|
|
|
// Delete from current to start of line
|
|
fi.emit('keypress', '.', { ctrl: true, shift: true, name: 'backspace' });
|
|
cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 0);
|
|
assert.strictEqual(cursorPos.cols, 0);
|
|
rli.on('line', common.mustCall((line) => {
|
|
assert.strictEqual(line, '');
|
|
}));
|
|
fi.emit('data', '\n');
|
|
rli.close();
|
|
}
|
|
|
|
// deleteLineRight
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface({
|
|
input: fi,
|
|
output: fi,
|
|
prompt: '',
|
|
terminal: terminal
|
|
});
|
|
fi.emit('data', 'the quick brown fox');
|
|
|
|
// Go to the start of the line
|
|
fi.emit('keypress', '.', { ctrl: true, name: 'a' });
|
|
let cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 0);
|
|
assert.strictEqual(cursorPos.cols, 0);
|
|
|
|
// Delete from current to end of line
|
|
fi.emit('keypress', '.', { ctrl: true, shift: true, name: 'delete' });
|
|
cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 0);
|
|
assert.strictEqual(cursorPos.cols, 0);
|
|
rli.on('line', common.mustCall((line) => {
|
|
assert.strictEqual(line, '');
|
|
}));
|
|
fi.emit('data', '\n');
|
|
rli.close();
|
|
}
|
|
|
|
// Multi-line input cursor position
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface({
|
|
input: fi,
|
|
output: fi,
|
|
prompt: '',
|
|
terminal: terminal
|
|
});
|
|
fi.columns = 10;
|
|
fi.emit('data', 'multi-line text');
|
|
const cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 1);
|
|
assert.strictEqual(cursorPos.cols, 5);
|
|
rli.close();
|
|
}
|
|
|
|
// Multi-line prompt cursor position
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface({
|
|
input: fi,
|
|
output: fi,
|
|
prompt: '\nfilledline\nwraping text\n> ',
|
|
terminal: terminal
|
|
});
|
|
fi.columns = 10;
|
|
fi.emit('data', 't');
|
|
const cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 4);
|
|
assert.strictEqual(cursorPos.cols, 3);
|
|
rli.close();
|
|
}
|
|
|
|
// Clear the whole screen
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface({
|
|
input: fi,
|
|
output: fi,
|
|
prompt: '',
|
|
terminal: terminal
|
|
});
|
|
const lines = ['line 1', 'line 2', 'line 3'];
|
|
fi.emit('data', lines.join('\n'));
|
|
fi.emit('keypress', '.', { ctrl: true, name: 'l' });
|
|
const cursorPos = rli.getCursorPos();
|
|
assert.strictEqual(cursorPos.rows, 0);
|
|
assert.strictEqual(cursorPos.cols, 6);
|
|
rli.on('line', common.mustCall((line) => {
|
|
assert.strictEqual(line, 'line 3');
|
|
}));
|
|
fi.emit('data', '\n');
|
|
rli.close();
|
|
}
|
|
}
|
|
|
|
// Wide characters should be treated as two columns.
|
|
assert.strictEqual(getStringWidth('a'), 1);
|
|
assert.strictEqual(getStringWidth('あ'), 2);
|
|
assert.strictEqual(getStringWidth('谢'), 2);
|
|
assert.strictEqual(getStringWidth('고'), 2);
|
|
assert.strictEqual(getStringWidth(String.fromCodePoint(0x1f251)), 2);
|
|
assert.strictEqual(getStringWidth('abcde'), 5);
|
|
assert.strictEqual(getStringWidth('古池や'), 6);
|
|
assert.strictEqual(getStringWidth('ノード.js'), 9);
|
|
assert.strictEqual(getStringWidth('你好'), 4);
|
|
assert.strictEqual(getStringWidth('안녕하세요'), 10);
|
|
assert.strictEqual(getStringWidth('A\ud83c\ude00BC'), 5);
|
|
assert.strictEqual(getStringWidth('👨👩👦👦'), 8);
|
|
assert.strictEqual(getStringWidth('🐕𐐷あ💻😀'), 9);
|
|
// TODO(BridgeAR): This should have a width of 4.
|
|
assert.strictEqual(getStringWidth('⓬⓪'), 2);
|
|
assert.strictEqual(getStringWidth('\u0301\u200D\u200E'), 0);
|
|
|
|
// Check if vt control chars are stripped
|
|
assert.strictEqual(
|
|
stripVTControlCharacters('\u001b[31m> \u001b[39m'),
|
|
'> '
|
|
);
|
|
assert.strictEqual(
|
|
stripVTControlCharacters('\u001b[31m> \u001b[39m> '),
|
|
'> > '
|
|
);
|
|
assert.strictEqual(
|
|
stripVTControlCharacters('\u001b[31m\u001b[39m'),
|
|
''
|
|
);
|
|
assert.strictEqual(
|
|
stripVTControlCharacters('> '),
|
|
'> '
|
|
);
|
|
assert.strictEqual(getStringWidth('\u001b[31m> \u001b[39m'), 2);
|
|
assert.strictEqual(getStringWidth('\u001b[31m> \u001b[39m> '), 4);
|
|
assert.strictEqual(getStringWidth('\u001b[31m\u001b[39m'), 0);
|
|
assert.strictEqual(getStringWidth('> '), 2);
|
|
|
|
{
|
|
const fi = new FakeInput();
|
|
assert.deepStrictEqual(fi.listeners(terminal ? 'keypress' : 'data'), []);
|
|
}
|
|
|
|
// check EventEmitter memory leak
|
|
for (let i = 0; i < 12; i++) {
|
|
const rl = readline.createInterface({
|
|
input: process.stdin,
|
|
output: process.stdout
|
|
});
|
|
rl.close();
|
|
assert.strictEqual(isWarned(process.stdin._events), false);
|
|
assert.strictEqual(isWarned(process.stdout._events), false);
|
|
}
|
|
|
|
// Can create a new readline Interface with a null output argument
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface(
|
|
{ input: fi, output: null, terminal: terminal }
|
|
);
|
|
|
|
let called = false;
|
|
rli.on('line', function(line) {
|
|
called = true;
|
|
assert.strictEqual(line, 'asdf');
|
|
});
|
|
fi.emit('data', 'asdf\n');
|
|
assert.ok(called);
|
|
|
|
rli.setPrompt('ddd> ');
|
|
rli.prompt();
|
|
rli.write('really shouldnt be seeing this');
|
|
rli.question('What do you think of node.js? ', function(answer) {
|
|
console.log('Thank you for your valuable feedback:', answer);
|
|
rli.close();
|
|
});
|
|
}
|
|
|
|
{
|
|
const expected = terminal ?
|
|
['\u001b[1G', '\u001b[0J', '$ ', '\u001b[3G'] :
|
|
['$ '];
|
|
|
|
let counter = 0;
|
|
const output = new Writable({
|
|
write: common.mustCall((chunk, enc, cb) => {
|
|
assert.strictEqual(chunk.toString(), expected[counter++]);
|
|
cb();
|
|
rl.close();
|
|
}, expected.length)
|
|
});
|
|
|
|
const rl = readline.createInterface({
|
|
input: new Readable({ read: common.mustCall() }),
|
|
output: output,
|
|
prompt: '$ ',
|
|
terminal: terminal
|
|
});
|
|
|
|
rl.prompt();
|
|
|
|
assert.strictEqual(rl._prompt, '$ ');
|
|
}
|
|
});
|
|
|
|
// For the purposes of the following tests, we do not care about the exact
|
|
// value of crlfDelay, only that the behaviour conforms to what's expected.
|
|
// Setting it to Infinity allows the test to succeed even under extreme
|
|
// CPU stress.
|
|
const crlfDelay = Infinity;
|
|
|
|
[ true, false ].forEach(function(terminal) {
|
|
// Sending multiple newlines at once that does not end with a new line
|
|
// and a `end` event(last line is)
|
|
|
|
// \r\n should emit one line event, not two
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface(
|
|
{
|
|
input: fi,
|
|
output: fi,
|
|
terminal: terminal,
|
|
crlfDelay
|
|
}
|
|
);
|
|
const expectedLines = ['foo', 'bar', 'baz', 'bat'];
|
|
let callCount = 0;
|
|
rli.on('line', function(line) {
|
|
assert.strictEqual(line, expectedLines[callCount]);
|
|
callCount++;
|
|
});
|
|
fi.emit('data', expectedLines.join('\r\n'));
|
|
assert.strictEqual(callCount, expectedLines.length - 1);
|
|
rli.close();
|
|
}
|
|
|
|
// \r\n should emit one line event when split across multiple writes.
|
|
{
|
|
const fi = new FakeInput();
|
|
const rli = new readline.Interface({
|
|
input: fi,
|
|
output: fi,
|
|
terminal: terminal,
|
|
crlfDelay
|
|
});
|
|
const expectedLines = ['foo', 'bar', 'baz', 'bat'];
|
|
let callCount = 0;
|
|
rli.on('line', function(line) {
|
|
assert.strictEqual(line, expectedLines[callCount]);
|
|
callCount++;
|
|
});
|
|
expectedLines.forEach(function(line) {
|
|
fi.emit('data', `${line}\r`);
|
|
fi.emit('data', '\n');
|
|
});
|
|
assert.strictEqual(callCount, expectedLines.length);
|
|
rli.close();
|
|
}
|
|
|
|
// Emit one line event when the delay between \r and \n is
|
|
// over the default crlfDelay but within the setting value.
|
|
{
|
|
const fi = new FakeInput();
|
|
const delay = 125;
|
|
const rli = new readline.Interface({
|
|
input: fi,
|
|
output: fi,
|
|
terminal: terminal,
|
|
crlfDelay
|
|
});
|
|
let callCount = 0;
|
|
rli.on('line', () => callCount++);
|
|
fi.emit('data', '\r');
|
|
setTimeout(common.mustCall(() => {
|
|
fi.emit('data', '\n');
|
|
assert.strictEqual(callCount, 1);
|
|
rli.close();
|
|
}), delay);
|
|
}
|
|
});
|
|
|
|
// Ensure that the _wordLeft method works even for large input
|
|
{
|
|
const input = new Readable({
|
|
read() {
|
|
this.push('\x1B[1;5D'); // CTRL + Left
|
|
this.push(null);
|
|
},
|
|
});
|
|
const output = new Writable({
|
|
write: common.mustCall((data, encoding, cb) => {
|
|
assert.strictEqual(rl.cursor, rl.line.length - 1);
|
|
cb();
|
|
}),
|
|
});
|
|
const rl = new readline.createInterface({
|
|
input: input,
|
|
output: output,
|
|
terminal: true,
|
|
});
|
|
rl.line = `a${' '.repeat(1e6)}a`;
|
|
rl.cursor = rl.line.length;
|
|
}
|