add test

packages/rspack-test-tools/tests/configCases/loader/match-when-empty/a.js

@@ -0,0 +1 @@
+export default "a.js"

packages/rspack-test-tools/tests/configCases/loader/match-when-empty/index.js

@@ -0,0 +1,7 @@
+import a1 from "./a.js" with { type: "raw" };
+import a2 from "./a.js"; 
+
+it("should hit loader", () => {
+	expect(a1).toEqual("export default \"a.js\"");
+	expect(a2).toEqual("loader.js");
+});

packages/rspack-test-tools/tests/configCases/loader/match-when-empty/loader.js

@@ -0,0 +1,3 @@
+module.exports = function (content) {
+	return "export default 'loader.js'";
+};

packages/rspack-test-tools/tests/configCases/loader/match-when-empty/rspack.config.js

@@ -0,0 +1,26 @@
+module.exports = {
+	mode: "development",
+	entry: "./index.js",
+	devtool: false,
+	module: {
+		rules: [
+			{
+				test: /a\.js/,
+				with: {
+					type: {
+						not: "raw"
+					}
+				},
+				use: [
+					{
+						loader: "./loader.js", 
+					 }
+				]
+			},
+			{
+				with: { type: "raw" },
+				type: "asset/source"
+			}
+		]
+	}
+};