add a test

Author: Austaras

tests/rspack-test/cacheCases/invalidation/symlink/driver.js

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+export default 0;
+---
+export default 1;

tests/rspack-test/cacheCases/invalidation/symlink/index.js

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+import value from "./driver";
+import version from "./tool"
+
+it("should invalidate work when symlink changes", async () => {
+	if (COMPILER_INDEX == 0) {
+		expect(version).toBe(100);
+		await NEXT_START();
+	}
+	if (COMPILER_INDEX == 1) {
+		expect(version).toBe(200);
+	}
+});

tests/rspack-test/cacheCases/invalidation/symlink/rspack.config.js

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+const path = require("path");
+const fs = require("fs/promises");
+
+let index = 1
+const libPath = path.join(__dirname, "./tool")
+/** @type {import("@rspack/core").Configuration} */
+module.exports = {
+	context: __dirname,
+	experiments: {
+		cache: {
+			type: "persistent",
+			snapshot: {
+				managedPaths: [path.join(__dirname, "./tool")]
+			}
+		}
+	},
+	plugins: [
+		{
+			apply(compiler) {
+				compiler.hooks.beforeCompile.tapPromise("Test Plugin", async function () {
+					try {
+						await fs.unlink(libPath);
+					} catch {}
+
+					await fs.symlink(libPath + '_' + index, libPath);
+
+					index++;
+				});
+			}
+		}
+	]
+};

tests/rspack-test/cacheCases/invalidation/symlink/tool_1/file.js

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+export default 100

tests/rspack-test/cacheCases/invalidation/symlink/tool_1/package.json

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+{
+  "name": "managed-paths-test-lib",
+  "version": "0.100.0",
+  "main": "./file.js"
+}

tests/rspack-test/cacheCases/invalidation/symlink/tool_2/file.js

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+export default 200

tests/rspack-test/cacheCases/invalidation/symlink/tool_2/package.json

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+{
+  "name": "managed-paths-test-lib",
+  "version": "0.200.0",
+  "main": "./file.js"
+}