add test

Author: ahabhgk

test/configCases/chunk-graph/issue-17989/entry-a.js

@@ -0,0 +1,10 @@
+import loadModule from "./shared"
+
+it("should not have a.add from entry-a + entry-b", () => {
+	return loadModule().then(module => {
+		const { arg } = module;
+		expect(arg).toBe(42)
+		expect(typeof __webpack_modules__["./util2.js"]).toBe("function")
+		expect(require.cache["./util2.js"]).toBe(undefined); // not loaded on __webpack_require__.c["./util2.js"]
+	});
+});

test/configCases/chunk-graph/issue-17989/entry-b.js

@@ -0,0 +1,17 @@
+it("should have util2.js in util chunk", () => {
+  return import("./shared")
+    .then(({ default: loadModule }) => loadModule())
+    .then((module) => {
+      let arg = module.arg;
+      expect(arg).toBe(42)
+      expect(typeof __webpack_modules__["./util2.js"]).toBe("function")
+      expect(typeof require.cache["./util2.js"]).toBe("object"); // loaded on __webpack_require__.c["./util2.js"]
+      return arg
+    })
+    .then(arg => {
+      return import("./util1").then(module => {
+        let res = module.f(arg);
+        expect(res).toBe(84);
+      })
+    })
+});

test/configCases/chunk-graph/issue-17989/shared.js

@@ -0,0 +1 @@
+export default () => import("./util")

test/configCases/chunk-graph/issue-17989/test.config.js

@@ -0,0 +1,5 @@
+module.exports = {
+	findBundle: function (i, options) {
+		return ["a.js", "b.js"];
+	}
+};

test/configCases/chunk-graph/issue-17989/util.js

@@ -0,0 +1 @@
+export { arg } from './util1'

test/configCases/chunk-graph/issue-17989/util1.js

@@ -0,0 +1,2 @@
+export const arg = 42
+export { f } from "./util2"

test/configCases/chunk-graph/issue-17989/util2.js

@@ -0,0 +1 @@
+export const f = a => a * 2

test/configCases/chunk-graph/issue-17989/webpack.config.js

@@ -0,0 +1,17 @@
+/** @type {import("../../../../").Configuration} */
+module.exports = {
+	entry: {
+		a: "./entry-a",
+		b: "./entry-b"
+	},
+	optimization: {
+		sideEffects: true,
+		providedExports: true,
+		usedExports: true,
+		concatenateModules: false,
+		moduleIds: "named"
+	},
+	output: {
+		filename: "[name].js"
+	}
+};