test: add comprehensive tests for NormalModuleReplacementPlugin (#20709)

aryanraj45 · web-flow · commit 118e0c575ffa · 2026-03-26T23:15:51.000+03:00
diff --git a/test/configCases/plugins/normal-module-replacement-plugin/a.js b/test/configCases/plugins/normal-module-replacement-plugin/a.js
@@ -0,0 +1 @@
+module.exports = "original-a";
diff --git a/test/configCases/plugins/normal-module-replacement-plugin/after-function.js b/test/configCases/plugins/normal-module-replacement-plugin/after-function.js
@@ -0,0 +1 @@
+module.exports = "FAIL: after-function.js should have been replaced";
diff --git a/test/configCases/plugins/normal-module-replacement-plugin/after-relative.js b/test/configCases/plugins/normal-module-replacement-plugin/after-relative.js
@@ -0,0 +1 @@
+module.exports = "FAIL: after-relative.js should have been replaced";
diff --git a/test/configCases/plugins/normal-module-replacement-plugin/after.js b/test/configCases/plugins/normal-module-replacement-plugin/after.js
@@ -0,0 +1 @@
+module.exports = "replaced-after-resolve";
diff --git a/test/configCases/plugins/normal-module-replacement-plugin/b.js b/test/configCases/plugins/normal-module-replacement-plugin/b.js
@@ -0,0 +1 @@
+module.exports = "replaced-by-string";
diff --git a/test/configCases/plugins/normal-module-replacement-plugin/before-function.js b/test/configCases/plugins/normal-module-replacement-plugin/before-function.js
@@ -0,0 +1 @@
+module.exports = "FAIL: before-function.js should have been replaced";
diff --git a/test/configCases/plugins/normal-module-replacement-plugin/before-string.js b/test/configCases/plugins/normal-module-replacement-plugin/before-string.js
@@ -0,0 +1 @@
+module.exports = "FAIL: before-string.js should have been replaced";
diff --git a/test/configCases/plugins/normal-module-replacement-plugin/c.js b/test/configCases/plugins/normal-module-replacement-plugin/c.js
@@ -0,0 +1 @@
+module.exports = "replaced-by-function";
diff --git a/test/configCases/plugins/normal-module-replacement-plugin/index.js b/test/configCases/plugins/normal-module-replacement-plugin/index.js
@@ -0,0 +1,21 @@
+"use strict";
+
+it("should use NormalModuleReplacementPlugin for string replacement", function () {
+    const result = require("./before-string.js");
+    expect(result).toBe("replaced-by-string");
+});
+
+it("should use NormalModuleReplacementPlugin for function replacement", function () {
+    const result = require("./before-function.js");
+    expect(result).toBe("replaced-by-function");
+});
+
+it("should use NormalModuleReplacementPlugin for function replacement (afterResolve)", function () {
+    const result = require("./after-function.js");
+    expect(result).toBe("replaced-after-resolve");
+});
+
+it("should use NormalModuleReplacementPlugin for relative path replacement (afterResolve)", function () {
+    const result = require("./after-relative.js");
+    expect(result).toBe("replaced-after-resolve");
+});
diff --git a/test/configCases/plugins/normal-module-replacement-plugin/webpack.config.js b/test/configCases/plugins/normal-module-replacement-plugin/webpack.config.js
@@ -0,0 +1,23 @@
+"use strict";
+
+const path = require("path");
+const NormalModuleReplacementPlugin =
+	require("../../../../").NormalModuleReplacementPlugin;
+
+/** @type {import("../../../../").Configuration} */
+module.exports = {
+	mode: "development",
+	plugins: [
+		new NormalModuleReplacementPlugin(/before-string\.js/, "./b.js"),
+		new NormalModuleReplacementPlugin(/before-function\.js/, (result) => {
+			result.request = "./c.js";
+		}),
+		new NormalModuleReplacementPlugin(/[/\\]after-function\.js$/, (result) => {
+			if (result.createData && result.createData.resource) {
+				const dir = path.dirname(result.createData.resource);
+				result.createData.resource = path.join(dir, "after.js");
+			}
+		}),
+		new NormalModuleReplacementPlugin(/[/\\]after-relative\.js$/, "./after.js")
+	]
+};

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+module.exports = "FAIL: after-function.js should have been replaced";`
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+module.exports = "FAIL: after-relative.js should have been replaced";`
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+module.exports = "replaced-after-resolve";`
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+module.exports = "FAIL: before-function.js should have been replaced";`
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+module.exports = "FAIL: before-string.js should have been replaced";`
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+module.exports = "replaced-by-function";`