50 lines
1.9 KiB
JavaScript
50 lines
1.9 KiB
JavaScript
(function() {
|
|
// Tests in this module only work in the node.js environment.
|
|
if (typeof require !== 'function') return;
|
|
|
|
var fixturePrefix = __dirname + '/../test-treeshake/';
|
|
var moduleName = __dirname + '/../underscore-umd.js';
|
|
var fs = require('fs');
|
|
|
|
QUnit.module('Tree-shaking');
|
|
|
|
QUnit.test('should have an effect', function(assert) {
|
|
var done = assert.async();
|
|
var fixtureName = fixturePrefix + 'map-umd.js';
|
|
fs.stat(moduleName, function(error, moduleStats) {
|
|
assert.equal(error, null);
|
|
if (error) return done();
|
|
fs.stat(fixtureName, function(error, fixtureStats) {
|
|
assert.equal(error, null);
|
|
if (error) return done();
|
|
// _.template depends on the entire underscore object, so all of the
|
|
// source code should be included.
|
|
assert.ok(fixtureStats.size < moduleStats.size);
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
|
|
QUnit.test('should not be overzealous', function(assert) {
|
|
var done = assert.async();
|
|
var fixtureName = fixturePrefix + 'template-umd.js';
|
|
fs.readFile(moduleName, {encoding: 'utf8'}, function(error, moduleData) {
|
|
assert.equal(error, null);
|
|
if (error) return done();
|
|
fs.readFile(fixtureName, {encoding: 'utf8'}, function(error, fixtureData) {
|
|
assert.equal(error, null);
|
|
if (error) return done();
|
|
var moduleLines = moduleData.split('\n').length,
|
|
fixtureLines = fixtureData.split('\n').length;
|
|
// _.template depends on the entire underscore object, so all of the
|
|
// source code should be included. Allowing for up to 9 lines of
|
|
// difference; this is the size of the noConflict logic plus the
|
|
// copyright intro, both of which are present in the official module but
|
|
// not in the fixture.
|
|
assert.ok(moduleLines - fixtureLines <= 9);
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
}());
|