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'use strict';
// Flags: --harmony-proxies
var common = require('../common');
var assert = require('assert');
var util = require('util');
var repl = require('repl');
var referenceErrors = 0;
var expectedReferenceErrors = 0;
function getDoNotCallFunction() {
expectedReferenceErrors += 1;
return function() {
assert(false);
};
}
process.on('exit', function() {
assert.strictEqual(referenceErrors, expectedReferenceErrors);
});
// A stream to push an array into a REPL
function ArrayStream() {
this.run = function(data) {
var self = this;
data.forEach(function(line) {
self.emit('data', line + '\n');
});
};
}
util.inherits(ArrayStream, require('stream').Stream);
ArrayStream.prototype.readable = true;
ArrayStream.prototype.writable = true;
ArrayStream.prototype.resume = function() {};
ArrayStream.prototype.write = function() {};
var works = [['inner.one'], 'inner.o'];
var putIn = new ArrayStream();
var testMe = repl.start('', putIn);
// Some errors are passed to the domain, but do not callback
testMe._domain.on('error', function(err) {
// Errors come from another context, so instanceof doesn't work
var str = err.toString();
if (/^ReferenceError:/.test(str))
referenceErrors++;
else
assert(false);
});
// Tab Complete will not break in an object literal
putIn.run(['.clear']);
putIn.run([
'var inner = {',
'one:1'
]);
testMe.complete('inner.o', getDoNotCallFunction());
testMe.complete('console.lo', common.mustCall(function(error, data) {
assert.deepEqual(data, [['console.log'], 'console.lo']);
}));
// Tab Complete will return globaly scoped variables
putIn.run(['};']);
testMe.complete('inner.o', common.mustCall(function(error, data) {
assert.deepEqual(data, works);
}));
putIn.run(['.clear']);
// Tab Complete will not break in an ternary operator with ()
putIn.run([
'var inner = ( true ',
'?',
'{one: 1} : '
]);
testMe.complete('inner.o', getDoNotCallFunction());
putIn.run(['.clear']);
// Tab Complete will return a simple local variable
putIn.run([
'var top = function() {',
'var inner = {one:1};'
]);
testMe.complete('inner.o', common.mustCall(function(error, data) {
assert.deepEqual(data, works);
}));
// When you close the function scope tab complete will not return the
// locally scoped variable
putIn.run(['};']);
testMe.complete('inner.o', getDoNotCallFunction());
putIn.run(['.clear']);
// Tab Complete will return a complex local variable
putIn.run([
'var top = function() {',
'var inner = {',
' one:1',
'};'
]);
testMe.complete('inner.o', common.mustCall(function(error, data) {
assert.deepEqual(data, works);
}));
putIn.run(['.clear']);
// Tab Complete will return a complex local variable even if the function
// has parameters
putIn.run([
'var top = function(one, two) {',
'var inner = {',
' one:1',
'};'
]);
testMe.complete('inner.o', common.mustCall(function(error, data) {
assert.deepEqual(data, works);
}));
putIn.run(['.clear']);
// Tab Complete will return a complex local variable even if the
// scope is nested inside an immediately executed function
putIn.run([
'var top = function() {',
'(function test () {',
'var inner = {',
' one:1',
'};'
]);
testMe.complete('inner.o', common.mustCall(function(error, data) {
assert.deepEqual(data, works);
}));
putIn.run(['.clear']);
// def has the params and { on a separate line
putIn.run([
'var top = function() {',
'r = function test (',
' one, two) {',
'var inner = {',
' one:1',
'};'
]);
testMe.complete('inner.o', getDoNotCallFunction());
putIn.run(['.clear']);
// currently does not work, but should not break, not the {
putIn.run([
'var top = function() {',
'r = function test ()',
'{',
'var inner = {',
' one:1',
'};'
]);
testMe.complete('inner.o', getDoNotCallFunction());
putIn.run(['.clear']);
// currently does not work, but should not break
putIn.run([
'var top = function() {',
'r = function test (',
')',
'{',
'var inner = {',
' one:1',
'};'
]);
testMe.complete('inner.o', getDoNotCallFunction());
putIn.run(['.clear']);
// make sure tab completion works on non-Objects
putIn.run([
'var str = "test";'
]);
testMe.complete('str.len', common.mustCall(function(error, data) {
assert.deepEqual(data, [['str.length'], 'str.len']);
}));
putIn.run(['.clear']);
// tab completion should not break on spaces
var spaceTimeout = setTimeout(function() {
throw new Error('timeout');
}, 1000);
testMe.complete(' ', common.mustCall(function(error, data) {
assert.deepEqual(data, [[], undefined]);
clearTimeout(spaceTimeout);
}));
// tab completion should pick up the global "toString" object, and
// any other properties up the "global" object's prototype chain
testMe.complete('toSt', common.mustCall(function(error, data) {
assert.deepEqual(data, [['toString'], 'toSt']);
}));
// Tab complete provides built in libs for require()
putIn.run(['.clear']);
testMe.complete('require(\'', common.mustCall(function(error, data) {
assert.strictEqual(error, null);
repl._builtinLibs.forEach(function(lib) {
assert.notStrictEqual(data[0].indexOf(lib), -1, lib + ' not found');
});
}));
testMe.complete('require(\'n', common.mustCall(function(error, data) {
assert.strictEqual(error, null);
assert.strictEqual(data.length, 2);
assert.strictEqual(data[1], 'n');
assert.notStrictEqual(data[0].indexOf('net'), -1);
// It's possible to pick up non-core modules too
data[0].forEach(function(completion) {
if (completion)
assert(/^n/.test(completion));
});
}));
// Make sure tab completion works on context properties
putIn.run(['.clear']);
putIn.run([
'var custom = "test";'
]);
testMe.complete('cus', common.mustCall(function(error, data) {
assert.deepEqual(data, [['custom'], 'cus']);
}));
// Make sure tab completion doesn't crash REPL with half-baked proxy objects.
// See: https://github.com/nodejs/node/issues/2119
putIn.run(['.clear']);
putIn.run([
'var proxy = Proxy.create({});'
]);
testMe.complete('proxy.', common.mustCall(function(error, data) {
assert.strictEqual(error, null);
assert.deepEqual(data, [[], 'proxy.']);
}));
// Make sure tab completion does not include integer members of an Array
var array_elements = [ [
'ary.__defineGetter__',
'ary.__defineSetter__',
'ary.__lookupGetter__',
'ary.__lookupSetter__',
'ary.__proto__',
'ary.constructor',
'ary.hasOwnProperty',
'ary.isPrototypeOf',
'ary.propertyIsEnumerable',
'ary.toLocaleString',
'ary.toString',
'ary.valueOf',
'',
'ary.concat',
'ary.copyWithin',
'ary.entries',
'ary.every',
'ary.fill',
'ary.filter',
'ary.find',
'ary.findIndex',
'ary.forEach',
'ary.indexOf',
'ary.join',
'ary.keys',
'ary.lastIndexOf',
'ary.length',
'ary.map',
'ary.pop',
'ary.push',
'ary.reduce',
'ary.reduceRight',
'ary.reverse',
'ary.shift',
'ary.slice',
'ary.some',
'ary.sort',
'ary.splice',
'ary.unshift' ],
'ary.'];
putIn.run(['.clear']);
putIn.run(['var ary = [1,2,3];']);
testMe.complete('ary.', common.mustCall(function(error, data) {
assert.deepEqual(data, array_elements);
}));
// Make sure tab completion does not include integer keys in an object
var obj_elements = [ [
'obj.__defineGetter__',
'obj.__defineSetter__',
'obj.__lookupGetter__',
'obj.__lookupSetter__',
'obj.__proto__',
'obj.constructor',
'obj.hasOwnProperty',
'obj.isPrototypeOf',
'obj.propertyIsEnumerable',
'obj.toLocaleString',
'obj.toString',
'obj.valueOf',
'',
'obj.a' ],
'obj.' ];
putIn.run(['.clear']);
putIn.run(['var obj = {1:"a","1a":"b",a:"b"};']);
testMe.complete('obj.', common.mustCall(function(error, data) {
assert.deepEqual(data, obj_elements);
}));