node/test/sequential/test-module-loading.js
cjihrig 2a60e2ad71 module,src: do not wrap modules with -1 lineOffset
In b799a74709 and
dfee4e3712 the module wrapping
mechanism was changed for better error reporting. However,
the changes causes issues with debuggers and profilers. This
commit reverts the wrapping changes.

Fixes: https://github.com/nodejs/node/issues/4297
PR-URL: https://github.com/nodejs/node/pull/4298
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
2015-12-16 10:07:20 -05:00

290 lines
9.4 KiB
JavaScript

'use strict';
var common = require('../common');
var assert = require('assert');
var path = require('path');
var fs = require('fs');
console.error('load test-module-loading.js');
// assert that this is the main module.
assert.equal(require.main.id, '.', 'main module should have id of \'.\'');
assert.equal(require.main, module, 'require.main should === module');
assert.equal(process.mainModule, module,
'process.mainModule should === module');
// assert that it's *not* the main module in the required module.
require('../fixtures/not-main-module.js');
// require a file with a request that includes the extension
var a_js = require('../fixtures/a.js');
assert.equal(42, a_js.number);
// require a file without any extensions
var foo_no_ext = require('../fixtures/foo');
assert.equal('ok', foo_no_ext.foo);
var a = require('../fixtures/a');
var c = require('../fixtures/b/c');
var d = require('../fixtures/b/d');
var d2 = require('../fixtures/b/d');
// Absolute
var d3 = require(path.join(__dirname, '../fixtures/b/d'));
// Relative
var d4 = require('../fixtures/b/d');
assert.equal(false, false, 'testing the test program.');
assert.equal(true, common.indirectInstanceOf(a.A, Function));
assert.equal('A', a.A());
assert.equal(true, common.indirectInstanceOf(a.C, Function));
assert.equal('C', a.C());
assert.equal(true, common.indirectInstanceOf(a.D, Function));
assert.equal('D', a.D());
assert.equal(true, common.indirectInstanceOf(d.D, Function));
assert.equal('D', d.D());
assert.equal(true, common.indirectInstanceOf(d2.D, Function));
assert.equal('D', d2.D());
assert.equal(true, common.indirectInstanceOf(d3.D, Function));
assert.equal('D', d3.D());
assert.equal(true, common.indirectInstanceOf(d4.D, Function));
assert.equal('D', d4.D());
assert.ok((new a.SomeClass()) instanceof c.SomeClass);
console.error('test index.js modules ids and relative loading');
var one = require('../fixtures/nested-index/one'),
two = require('../fixtures/nested-index/two');
assert.notEqual(one.hello, two.hello);
console.error('test index.js in a folder with a trailing slash');
var three = require('../fixtures/nested-index/three'),
threeFolder = require('../fixtures/nested-index/three/'),
threeIndex = require('../fixtures/nested-index/three/index.js');
assert.equal(threeFolder, threeIndex);
assert.notEqual(threeFolder, three);
console.error('test package.json require() loading');
assert.equal(require('../fixtures/packages/main').ok, 'ok',
'Failed loading package');
assert.equal(require('../fixtures/packages/main-index').ok, 'ok',
'Failed loading package with index.js in main subdir');
console.error('test cycles containing a .. path');
var root = require('../fixtures/cycles/root'),
foo = require('../fixtures/cycles/folder/foo');
assert.equal(root.foo, foo);
assert.equal(root.sayHello(), root.hello);
console.error('test node_modules folders');
// asserts are in the fixtures files themselves,
// since they depend on the folder structure.
require('../fixtures/node_modules/foo');
console.error('test name clashes');
// this one exists and should import the local module
var my_path = require('../fixtures/path');
assert.ok(common.indirectInstanceOf(my_path.path_func, Function));
// this one does not exist and should throw
assert.throws(function() { require('./utils'); });
var errorThrown = false;
try {
require('../fixtures/throws_error');
} catch (e) {
errorThrown = true;
assert.equal('blah', e.message);
}
assert.equal(require('path').dirname(__filename), __dirname);
console.error('load custom file types with extensions');
require.extensions['.test'] = function(module, filename) {
var content = fs.readFileSync(filename).toString();
assert.equal('this is custom source\n', content);
content = content.replace('this is custom source',
'exports.test = \'passed\'');
module._compile(content, filename);
};
assert.equal(require('../fixtures/registerExt').test, 'passed');
// unknown extension, load as .js
assert.equal(require('../fixtures/registerExt.hello.world').test, 'passed');
console.error('load custom file types that return non-strings');
require.extensions['.test'] = function(module, filename) {
module.exports = {
custom: 'passed'
};
};
assert.equal(require('../fixtures/registerExt2').custom, 'passed');
assert.equal(require('../fixtures/foo').foo, 'ok',
'require module with no extension');
// Should not attempt to load a directory
try {
require('../fixtures/empty');
} catch (err) {
assert.equal(err.message, 'Cannot find module \'../fixtures/empty\'');
}
// Check load order is as expected
console.error('load order');
var loadOrder = '../fixtures/module-load-order/',
msg = 'Load order incorrect.';
require.extensions['.reg'] = require.extensions['.js'];
require.extensions['.reg2'] = require.extensions['.js'];
assert.equal(require(loadOrder + 'file1').file1, 'file1', msg);
assert.equal(require(loadOrder + 'file2').file2, 'file2.js', msg);
try {
require(loadOrder + 'file3');
} catch (e) {
// Not a real .node module, but we know we require'd the right thing.
assert.ok(e.message.replace(/\\/g, '/').match(/file3\.node/));
}
assert.equal(require(loadOrder + 'file4').file4, 'file4.reg', msg);
assert.equal(require(loadOrder + 'file5').file5, 'file5.reg2', msg);
assert.equal(require(loadOrder + 'file6').file6, 'file6/index.js', msg);
try {
require(loadOrder + 'file7');
} catch (e) {
assert.ok(e.message.replace(/\\/g, '/').match(/file7\/index\.node/));
}
assert.equal(require(loadOrder + 'file8').file8, 'file8/index.reg', msg);
assert.equal(require(loadOrder + 'file9').file9, 'file9/index.reg2', msg);
// make sure that module.require() is the same as
// doing require() inside of that module.
var parent = require('../fixtures/module-require/parent/');
var child = require('../fixtures/module-require/child/');
assert.equal(child.loaded, parent.loaded);
// #1357 Loading JSON files with require()
var json = require('../fixtures/packages/main/package.json');
assert.deepEqual(json, {
name: 'package-name',
version: '1.2.3',
main: 'package-main-module'
});
// now verify that module.children contains all the different
// modules that we've required, and that all of them contain
// the appropriate children, and so on.
var children = module.children.reduce(function red(set, child) {
var id = path.relative(path.dirname(__dirname), child.id);
id = id.replace(/\\/g, '/');
set[id] = child.children.reduce(red, {});
return set;
}, {});
assert.deepEqual(children, {
'common.js': {},
'fixtures/not-main-module.js': {},
'fixtures/a.js': {
'fixtures/b/c.js': {
'fixtures/b/d.js': {},
'fixtures/b/package/index.js': {}
}
},
'fixtures/foo': {},
'fixtures/nested-index/one/index.js': {
'fixtures/nested-index/one/hello.js': {}
},
'fixtures/nested-index/two/index.js': {
'fixtures/nested-index/two/hello.js': {}
},
'fixtures/nested-index/three.js': {},
'fixtures/nested-index/three/index.js': {},
'fixtures/packages/main/package-main-module.js': {},
'fixtures/packages/main-index/package-main-module/index.js': {},
'fixtures/cycles/root.js': {
'fixtures/cycles/folder/foo.js': {}
},
'fixtures/node_modules/foo.js': {
'fixtures/node_modules/baz/index.js': {
'fixtures/node_modules/bar.js': {},
'fixtures/node_modules/baz/node_modules/asdf.js': {}
}
},
'fixtures/path.js': {},
'fixtures/throws_error.js': {},
'fixtures/registerExt.test': {},
'fixtures/registerExt.hello.world': {},
'fixtures/registerExt2.test': {},
'fixtures/empty.js': {},
'fixtures/module-load-order/file1': {},
'fixtures/module-load-order/file2.js': {},
'fixtures/module-load-order/file3.node': {},
'fixtures/module-load-order/file4.reg': {},
'fixtures/module-load-order/file5.reg2': {},
'fixtures/module-load-order/file6/index.js': {},
'fixtures/module-load-order/file7/index.node': {},
'fixtures/module-load-order/file8/index.reg': {},
'fixtures/module-load-order/file9/index.reg2': {},
'fixtures/module-require/parent/index.js': {
'fixtures/module-require/child/index.js': {
'fixtures/module-require/child/node_modules/target.js': {}
}
},
'fixtures/packages/main/package.json': {}
});
// require() must take string, and must be truthy
assert.throws(function() {
console.error('require non-string');
require({ foo: 'bar' });
}, 'path must be a string');
assert.throws(function() {
console.error('require empty string');
require('');
}, 'missing path');
process.on('exit', function() {
assert.ok(common.indirectInstanceOf(a.A, Function));
assert.equal('A done', a.A());
assert.ok(common.indirectInstanceOf(a.C, Function));
assert.equal('C done', a.C());
assert.ok(common.indirectInstanceOf(a.D, Function));
assert.equal('D done', a.D());
assert.ok(common.indirectInstanceOf(d.D, Function));
assert.equal('D done', d.D());
assert.ok(common.indirectInstanceOf(d2.D, Function));
assert.equal('D done', d2.D());
assert.equal(true, errorThrown);
console.log('exit');
});
// #1440 Loading files with a byte order marker.
assert.equal(42, require('../fixtures/utf8-bom.js'));
assert.equal(42, require('../fixtures/utf8-bom.json'));
// Error on the first line of a module should
// have the correct line number
assert.throws(function() {
require('../fixtures/test-error-first-line-offset.js');
}, function(err) {
return /test-error-first-line-offset.js:1:/.test(err.stack);
}, 'Expected appearance of proper offset in Error stack');