test: switch hash-order regression to watch case

davidmurdoch · davidmurdoch · commit 73834df93bf3 · 2026-03-26T17:13:07.000-04:00
diff --git a/test/RealContentHashPlugin.test.js b/test/RealContentHashPlugin.test.js
diff --git a/test/watchCases/cache/stale-runtime-chunk-filename-map/0/offscreen.js b/test/watchCases/cache/stale-runtime-chunk-filename-map/0/offscreen.js
@@ -0,0 +1 @@
+import "./shared.js";
diff --git a/test/watchCases/cache/stale-runtime-chunk-filename-map/0/service-worker.js b/test/watchCases/cache/stale-runtime-chunk-filename-map/0/service-worker.js
@@ -0,0 +1,18 @@
+import "./shared.js";
+
+it("should update the runtime chunk filename map on rebuild", () => {
+	const currentChunkFile = Array.isArray(STATS_JSON.assetsByChunkName.js)
+		? STATS_JSON.assetsByChunkName.js[0]
+		: STATS_JSON.assetsByChunkName.js;
+	const serviceWorkerSource = readOutputFile("service-worker.js");
+
+	expect(currentChunkFile).toBeTruthy();
+
+	if (WATCH_STEP === "0") {
+		STATE.previousChunkFile = currentChunkFile;
+	} else {
+		expect(currentChunkFile).not.toBe(STATE.previousChunkFile);
+	}
+
+	expect(serviceWorkerSource).toContain(currentChunkFile);
+});
diff --git a/test/watchCases/cache/stale-runtime-chunk-filename-map/0/shared.js b/test/watchCases/cache/stale-runtime-chunk-filename-map/0/shared.js
@@ -0,0 +1 @@
+export const sharedValue = "__SHARED__";
diff --git a/test/watchCases/cache/stale-runtime-chunk-filename-map/1/shared.js b/test/watchCases/cache/stale-runtime-chunk-filename-map/1/shared.js
@@ -0,0 +1 @@
+export const sharedValue = "__SHARED__CHANGED";
diff --git a/test/watchCases/cache/stale-runtime-chunk-filename-map/test.config.js b/test/watchCases/cache/stale-runtime-chunk-filename-map/test.config.js
@@ -0,0 +1,14 @@
+"use strict";
+
+const fs = require("fs");
+const path = require("path");
+
+module.exports = {
+	findBundle() {
+		return "./service-worker.js";
+	},
+	moduleScope(scope, options) {
+		scope.readOutputFile = (filename) =>
+			fs.readFileSync(path.join(options.output.path, filename), "utf8");
+	}
+};
diff --git a/test/watchCases/cache/stale-runtime-chunk-filename-map/webpack.config.js b/test/watchCases/cache/stale-runtime-chunk-filename-map/webpack.config.js
@@ -0,0 +1,32 @@
+"use strict";
+
+/** @type {import("../../../../").Configuration} */
+module.exports = {
+	mode: "production",
+	target: "webworker",
+	cache: {
+		type: "memory"
+	},
+	entry: {
+		"service-worker": {
+			import: "./service-worker.js",
+			chunkLoading: "import-scripts",
+			filename: "service-worker.js"
+		},
+		offscreen: "./offscreen.js"
+	},
+	output: {
+		clean: false,
+		filename: "[name].[contenthash].js",
+		pathinfo: false
+	},
+	optimization: {
+		realContentHash: false,
+		sideEffects: false,
+		splitChunks: {
+			chunks: "all",
+			minSize: 1,
+			name: "js"
+		}
+	}
+};

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+export const sharedValue = "__SHARED__";`