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199 lines (188 loc) 路 6.16 KB
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var assert = require('assert');
var ourProcess = require('./browser');
describe('test against our process', function () {
test(ourProcess);
});
if (!process.browser) {
describe('test against node', function () {
test(process);
});
vmtest();
}
function test (ourProcess) {
describe('test arguments', function () {
it ('works', function (done) {
var order = 0;
ourProcess.nextTick(function (num) {
assert.equal(num, order++, 'first one works');
ourProcess.nextTick(function (num) {
assert.equal(num, order++, 'recursive one is 4th');
}, 3);
}, 0);
ourProcess.nextTick(function (num) {
assert.equal(num, order++, 'second one starts');
ourProcess.nextTick(function (num) {
assert.equal(num, order++, 'this is third');
ourProcess.nextTick(function (num) {
assert.equal(num, order++, 'this is last');
done();
}, 5);
}, 4);
}, 1);
ourProcess.nextTick(function (num) {
assert.equal(num, order++, '3rd schedualed happens after the error');
}, 2);
});
});
if (!process.browser) {
describe('test errors', function (t) {
it ('works', function (done) {
var order = 0;
process.removeAllListeners('uncaughtException');
process.once('uncaughtException', function(err) {
assert.equal(2, order++, 'error is third');
ourProcess.nextTick(function () {
assert.equal(5, order++, 'schedualed in error is last');
done();
});
});
ourProcess.nextTick(function () {
assert.equal(0, order++, 'first one works');
ourProcess.nextTick(function () {
assert.equal(4, order++, 'recursive one is 4th');
});
});
ourProcess.nextTick(function () {
assert.equal(1, order++, 'second one starts');
throw(new Error('an error is thrown'));
});
ourProcess.nextTick(function () {
assert.equal(3, order++, '3rd schedualed happens after the error');
});
});
});
}
describe('rename globals', function (t) {
var oldTimeout = setTimeout;
var oldClear = clearTimeout;
it('clearTimeout', function (done){
var ok = true;
clearTimeout = function () {
ok = false;
}
var ran = false;
function cleanup() {
clearTimeout = oldClear;
var err;
try {
assert.ok(ok, 'fake clearTimeout ran');
assert.ok(ran, 'should have run');
} catch (e) {
err = e;
}
done(err);
}
setTimeout(cleanup, 1000);
ourProcess.nextTick(function () {
ran = true;
});
});
it('just setTimeout', function (done){
setTimeout = function () {
setTimeout = oldTimeout;
try {
assert.ok(false, 'fake setTimeout called')
} catch (e) {
done(e);
}
}
ourProcess.nextTick(function () {
setTimeout = oldTimeout;
done();
});
});
});
}
function vmtest() {
var vm = require('vm');
var fs = require('fs');
var process = fs.readFileSync('./browser.js', {encoding: 'utf8'});
describe('should work in vm in strict mode with no globals', function () {
it('should parse', function (done) {
var str = '"use strict";var module = {exports:{}};';
str += process;
str += 'this.works = process.browser;';
var script = new vm.Script(str);
var context = {
works: false
};
script.runInNewContext(context);
assert.ok(context.works);
done();
});
it('setTimeout throws error', function (done) {
var str = '"use strict";var module = {exports:{}};';
str += process;
str += 'try {process.nextTick(function () {})} catch (e){this.works = e;}';
var script = new vm.Script(str);
var context = {
works: false
};
script.runInNewContext(context);
assert.ok(context.works);
done();
});
it('should generally work', function (done) {
var str = '"use strict";var module = {exports:{}};';
str += process;
str += 'process.nextTick(function () {assert.ok(true);done();})';
var script = new vm.Script(str);
var context = {
clearTimeout: clearTimeout,
setTimeout: setTimeout,
done: done,
assert: assert
};
script.runInNewContext(context);
});
it('late defs setTimeout', function (done) {
var str = '"use strict";var module = {exports:{}};';
str += process;
str += 'var setTimeout = hiddenSetTimeout;process.nextTick(function () {assert.ok(true);done();})';
var script = new vm.Script(str);
var context = {
clearTimeout: clearTimeout,
hiddenSetTimeout: setTimeout,
done: done,
assert: assert
};
script.runInNewContext(context);
});
it('late defs clearTimeout', function (done) {
var str = '"use strict";var module = {exports:{}};';
str += process;
str += 'var clearTimeout = hiddenClearTimeout;process.nextTick(function () {assert.ok(true);done();})';
var script = new vm.Script(str);
var context = {
hiddenClearTimeout: clearTimeout,
setTimeout: setTimeout,
done: done,
assert: assert
};
script.runInNewContext(context);
});
it('late defs setTimeout and then redefine', function (done) {
var str = '"use strict";var module = {exports:{}};';
str += process;
str += 'var setTimeout = hiddenSetTimeout;process.nextTick(function () {setTimeout = function (){throw new Error("foo")};hiddenSetTimeout(function(){process.nextTick(function (){assert.ok(true);done();});});});';
var script = new vm.Script(str);
var context = {
clearTimeout: clearTimeout,
hiddenSetTimeout: setTimeout,
done: done,
assert: assert
};
script.runInNewContext(context);
});
});
}