webpack/test/cases/runtime/module-caching/index.js

Packs CommonJs/AMD modules for the browser. Allows to split your codebase into multiple bundles, which can be loaded on demand. Support loaders to preprocess files, i.e. json, jade, coffee, css, less, ... and your custom stuff.

var should = require("should");

it("should cache modules correctly", function(done) {
	delete require.cache[require.resolve("./singluar.js")];
	require("./singluar.js").value.should.be.eql(1);
	(require("./singluar.js")).value.should.be.eql(1);
	require("./sing" + "luar.js").value = 2;
	require("./singluar.js").value.should.be.eql(2);
	require.ensure(["./two.js"], function(require) {
		require("./singluar.js").value.should.be.eql(2);
		done();
	});
});

it("should be able the remove modules from cache with require.cache and require.resolve", function() {
	var singlarObj = require("./singluar2");
	var singlarId = require.resolve("./singluar2");
	var singlarIdInConditional = require.resolve(true ? "./singluar2" : "./singluar");
	singlarId.should.have.type("number");
	singlarIdInConditional.should.be.eql(singlarId);
	(require.cache).should.have.type("object");
	(require.cache[singlarId]).should.have.type("object");
	delete require.cache[singlarId];
	require("./singluar2").should.be.not.equal(singlarObj);
});