Add Tests checking chunkhash of runtime chunk only changes if needed

Author: nename0

test/WatchTestCases.test.js

@@ -155,6 +155,10 @@ describe("WatchTestCases", () => {
 									return test;
 								}
 
+								const globalContext = {
+									console: console
+								};
+
 								function _require(currentDirectory, module) {
 									if(Array.isArray(module) || /^\.\.?\//.test(module)) {
 										let fn;
@@ -170,11 +174,15 @@ describe("WatchTestCases", () => {
 											p = path.join(currentDirectory, module);
 											content = fs.readFileSync(p, "utf-8");
 										}
-										fn = vm.runInThisContext("(function(require, module, exports, __dirname, __filename, it, WATCH_STEP, STATS_JSON, STATE) {" + content + "\n})", p);
+										if(options.target === "web" || options.target === "webworker") {
+											fn = vm.runInNewContext("(function(require, module, exports, __dirname, __filename, it, WATCH_STEP, STATS_JSON, STATE, window) {" + content + "\n})", globalContext, p);
+										} else {
+											fn = vm.runInThisContext("(function(require, module, exports, __dirname, __filename, it, WATCH_STEP, STATS_JSON, STATE) {" + content + "\n})", p);
+										}
 										const m = {
 											exports: {}
 										};
-										fn.call(m.exports, _require.bind(null, path.dirname(p)), m, m.exports, path.dirname(p), p, _it, run.name, jsonStats, state);
+										fn.call(m.exports, _require.bind(null, path.dirname(p)), m, m.exports, path.dirname(p), p, _it, run.name, jsonStats, state, globalContext);
 										return module.exports;
 									} else if(testConfig.modules && module in testConfig.modules) {
 										return testConfig.modules[module];
@@ -188,7 +196,7 @@ describe("WatchTestCases", () => {
 								} catch(e) {}
 
 								if(testConfig.noTests) return process.nextTick(done);
-								_require(outputDirectory, "./bundle.js");
+								_require(outputDirectory, testConfig.bundlePath || "./bundle.js");
 
 								if(exportedTests < 1) return done(new Error("No tests exported by test case"));
 								runIdx++;

test/watchCases/runtime/dynamic-import/0/dynamic.js

@@ -0,0 +1 @@
+module.exports = "Normal";

test/watchCases/runtime/dynamic-import/0/index.js

@@ -0,0 +1,28 @@
+it("should change chunkhash of main chunk", function () {
+	const mainChunk = STATS_JSON.chunks.find((chunk) => chunk.names.indexOf("main") !== -1);
+	(!mainChunk).should.be.false("Main chunk not found");
+	switch (WATCH_STEP) {
+		case "0":
+			STATE.hash = mainChunk.hash;
+			break;
+		case "1":
+			mainChunk.hash.should.be.not.eql(STATE.hash);
+			break;
+	}
+});
+
+it("should load additional chunk", function (done) {
+	const step = WATCH_STEP;
+	import(/* webpackChunkName: "dynamic" */ './dynamic')
+		.then((dynamic) => {
+			switch (step) {
+				case "0":
+					dynamic.should.be.eql("Normal");
+					break;
+				case "1":
+					dynamic.should.be.eql("Changed");
+					break;
+			}
+			done();
+		});
+});

test/watchCases/runtime/dynamic-import/1/dynamic.js

@@ -0,0 +1 @@
+module.exports = "Changed";

test/watchCases/runtime/dynamic-import/webpack.config.js

@@ -0,0 +1,5 @@
+module.exports = {
+    output: {
+        chunkFilename: "[name].[chunkhash].js"
+    }
+};

test/watchCases/runtime/static-import/0/dynamic-and-static.js

@@ -0,0 +1 @@
+module.exports = "Normal";

test/watchCases/runtime/static-import/0/index.js

@@ -0,0 +1,44 @@
+require("should");
+
+import * as both from './dynamic-and-static'
+import * as staticModule from './static'
+
+it("should not change chunkhash of manifest chunk", function () {
+	const manifestChunk = STATS_JSON.chunks.find((chunk) => chunk.names.indexOf("manifest") !== -1);
+	(!manifestChunk).should.be.false("Main chunk not found");
+	switch (WATCH_STEP) {
+		case "0":
+			STATE.hash = manifestChunk.hash;
+			staticModule.should.be.eql("Normal");
+			both.should.be.eql("Normal");
+			break;
+		case "1":
+			manifestChunk.hash.should.be.eql(STATE.hash);
+			staticModule.should.be.eql("Changed");
+			both.should.be.eql("Normal");
+			break;
+		case "2":
+			manifestChunk.hash.should.be.eql(STATE.hash);
+			staticModule.should.be.eql("Changed");
+			both.should.be.eql("Changed");
+			break;
+	}
+});
+
+it("should load additional chunk", function (done) {
+	const step = WATCH_STEP;
+	import(/* webpackChunkName: "dynamic-and-static" */ './dynamic-and-static')
+		.then((dynamic) => {
+			switch (step) {
+				case "0":
+				case "1":
+					dynamic.should.be.eql("Normal");
+					break;
+				case "2":
+					dynamic.should.be.eql("Changed");
+					break;
+			}
+			done();
+		})
+		.catch(done);;
+});

test/watchCases/runtime/static-import/0/static.js

@@ -0,0 +1 @@
+module.exports = "Normal";

test/watchCases/runtime/static-import/1/static.js

@@ -0,0 +1 @@
+module.exports = "Changed";

test/watchCases/runtime/static-import/2/dynamic-and-static.js

@@ -0,0 +1 @@
+module.exports = "Changed";