test: more case about cjs bundle to esm lib (#19787)

test/configCases/library/0-create-library/adding-exports-cjs.js

@@ -0,0 +1,5 @@
+module.exports = {
+	name: "adding-exports-cjs"
+};
+
+module.exports.foo = "foo";

test/configCases/library/0-create-library/exports-shortcut-cjs.js

@@ -0,0 +1,3 @@
+exports = {
+	name: "exports-shortcut-cjs"
+};

test/configCases/library/0-create-library/overrides-exports-cjs.js

@@ -0,0 +1,5 @@
+module.exports.foo = "foo";
+
+module.exports = {
+	name: "overrides-exports-cjs"
+};

test/configCases/library/0-create-library/self-reference-cjs.js

@@ -0,0 +1,3 @@
+exports.name
+module.name
+this.name

test/configCases/library/0-create-library/webpack.config.js

@@ -806,7 +806,64 @@ module.exports = (env, { testPath }) => [
 	{
 		entry: "./class-commonjs",
 		output: {
-			filename: "commonjs-bundle-to-esm.mjs",
+			uniqueName: "class-commonjs",
+			filename: "commonjs-bundle-to-esm-1.mjs",
+			module: true,
+			library: {
+				type: "module"
+			}
+		},
+		experiments: {
+			outputModule: true
+		}
+	},
+	{
+		entry: "./exports-shortcut-cjs",
+		output: {
+			uniqueName: "exports-shortcut-cjs",
+			filename: "commonjs-bundle-to-esm-2.mjs",
+			module: true,
+			library: {
+				type: "module"
+			}
+		},
+		experiments: {
+			outputModule: true
+		}
+	},
+	{
+		entry: "./overrides-exports-cjs",
+		output: {
+			uniqueName: "overrides-exports-cjs",
+			filename: "commonjs-bundle-to-esm-3.mjs",
+			module: true,
+			library: {
+				type: "module"
+			}
+		},
+		experiments: {
+			outputModule: true
+		}
+	},
+	{
+		entry: "./self-reference-cjs",
+		output: {
+			uniqueName: "self-reference-cjs",
+			filename: "commonjs-bundle-to-esm-4.mjs",
+			module: true,
+			library: {
+				type: "module"
+			}
+		},
+		experiments: {
+			outputModule: true
+		}
+	},
+	{
+		entry: "./adding-exports-cjs",
+		output: {
+			uniqueName: "adding-exports-cjs",
+			filename: "commonjs-bundle-to-esm-5.mjs",
 			module: true,
 			library: {
 				type: "module"

test/configCases/library/1-use-library/esm-with-bundled-commonjs.js

@@ -1,8 +1,19 @@
-import library from "library";
+import lib1 from "lib1";
+import lib2 from "lib2";
+import lib3 from "lib3";
+import lib4 from "lib4";
+import lib5 from "lib5";
+
 
 it(
 	"should be able to import harmony exports from library (" + NAME + ")",
 	function () {
-		expect(new library().getNumber()).toBe(1);
+		expect(new lib1().getNumber()).toBe(1);
+		expect(lib2).toMatchObject({});
+		expect(lib3.name).toBe("overrides-exports-cjs");
+		expect(lib3.foo).toBe(undefined);
+		expect(lib4).toEqual({});
+		expect(lib5.name).toBe("adding-exports-cjs")
+		expect(lib5.foo).toBe("foo")
 	}
 );

test/configCases/library/1-use-library/webpack.config.js

@@ -695,9 +695,29 @@ module.exports = (env, { testPath }) => [
 		},
 		experiments: { outputModule: true },
 		externals: {
-			library: path.resolve(
+			lib1: path.resolve(
 				testPath,
-				"../0-create-library/commonjs-bundle-to-esm.mjs"
+				"../0-create-library/commonjs-bundle-to-esm-1.mjs"
+			),
+			lib2: path.resolve(
+				testPath,
+				"../0-create-library/commonjs-bundle-to-esm-2.mjs"
+			),
+			lib3: path.resolve(
+				testPath,
+				"../0-create-library/commonjs-bundle-to-esm-3.mjs"
+			),
+			lib4: path.resolve(
+				testPath,
+				"../0-create-library/commonjs-bundle-to-esm-4.mjs"
+			),
+			lib5: path.resolve(
+				testPath,
+				"../0-create-library/commonjs-bundle-to-esm-5.mjs"
+			),
+			lib6: path.resolve(
+				testPath,
+				"../0-create-library/commonjs-bundle-to-esm-6.mjs"
 			)
 		},
 		externalsType: "module-import",