webpack/test/resolve.js

Packs CommonJs Modules for the browser. Allows to split your codebase into multiple bundles, which can be loaded on demand. Support loading of js, json, jade, coffee, css, ... out of the box and more with custom loaders.

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/
var should = require("should");
var path = require("path");
var resolve = require("../lib/resolve");

var fixtures = path.join(__dirname, "fixtures");
function testResolve(name, context, moduleName, result) {
	describe(name, function() {
		it("should resolve correctly", function(done) {
			resolve(context, moduleName, {}, function(err, filename) {
				if(err) done(err);
				should.exist(filename);
				filename.should.equal(result);
				done();
			});
		});
	});
}
function testResolveContext(name, context, moduleName, result) {
	describe(name, function() {
		it("should resolve correctly", function(done) {
			resolve.context(context, moduleName, {}, function(err, filename) {
				if(err) done(err);
				should.exist(filename)
				filename.should.equal(result);
				done();
			});
		});
	});
}
describe("resolve", function() {
	testResolve("file with .js",
		fixtures, "./main1.js", path.join(fixtures, "main1.js"));
	testResolve("file without extension",
		fixtures, "./main1", path.join(fixtures, "main1.js"));
	testResolve("another file with .js",
		fixtures, "./a.js", path.join(fixtures, "a.js"));
	testResolve("another file without extension",
		fixtures, "./a", path.join(fixtures, "a.js"));
	testResolve("file in module with .js",
		fixtures, "m1/a.js", path.join(fixtures, "node_modules", "m1", "a.js"));
	testResolve("file in module without extension",
		fixtures, "m1/a", path.join(fixtures, "node_modules", "m1", "a.js"));
	testResolve("another file in module without extension",
		fixtures, "complexm/step1", path.join(fixtures, "node_modules", "complexm", "step1.js"));
	testResolve("from submodule to file in sibling module",
		path.join(fixtures, "node_modules", "complexm"), "m2/b.js", path.join(fixtures, "node_modules", "m2", "b.js"));
	testResolve("from submodule to file in sibling of parent module",
		path.join(fixtures, "node_modules", "complexm", "web_modules", "m1"), "m2/b.js", path.join(fixtures, "node_modules", "m2", "b.js"));

	testResolve("loader",
		fixtures, "m1/a!./main1.js", path.join(fixtures, "node_modules", "m1", "a.js") + "!" + path.join(fixtures, "main1.js"));
	testResolve("loader with prefix",
		fixtures, "m2/b!./main1.js", path.join(fixtures, "node_modules", "m2-loader", "b.js") + "!" + path.join(fixtures, "main1.js"));
	testResolve("multiple loaders",
		fixtures, "m1/a!m1/b!m2/b!./main1.js", path.join(fixtures, "node_modules", "m1", "a.js") + "!" +
			path.join(fixtures, "node_modules", "m1", "b.js") + "!" +
			path.join(fixtures, "node_modules", "m2-loader", "b.js") + "!" +
			path.join(fixtures, "main1.js"));

	testResolveContext("context for fixtures",
		fixtures, "./", fixtures);
	testResolveContext("context for fixtures/lib",
		fixtures, "./lib", path.join(fixtures, "lib"));
	testResolveContext("context with loader",
		fixtures, "m1/a!./", path.join(fixtures, "node_modules", "m1", "a.js") + "!" + fixtures);
	testResolveContext("context with loaders in parent directory",
		fixtures, "m1/a!m2/b.js!../", path.join(fixtures, "node_modules", "m1", "a.js") + "!" +
			path.join(fixtures, "node_modules", "m2-loader", "b.js") + "!" +
			path.join(fixtures, ".."));
});