test and fix persistent caching

lib/container/FallbackDependency.js

@@ -24,6 +24,19 @@ class FallbackDependency extends Dependency {
 	get type() {
 		return "fallbacks";
 	}
+
+	serialize(context) {
+		const { write } = context;
+		write(this.requests);
+		super.serialize(context);
+	}
+
+	static deserialize(context) {
+		const { read } = context;
+		const obj = new FallbackDependency(read());
+		obj.deserialize(context);
+		return obj;
+	}
 }
 
 makeSerializable(

lib/sharing/ConsumeSharedPlugin.js

@@ -175,12 +175,12 @@ class ConsumeSharedPlugin {
 							}
 							const match = unresolvedConsumes.get(request);
 							if (match !== undefined) {
-								return new ConsumeSharedModule(context, match);
+								return new ConsumeSharedModule(compiler.context, match);
 							}
 							for (const [prefix, options] of prefixConsumes) {
 								if (request.startsWith(prefix)) {
 									const remainder = request.slice(prefix.length);
-									return new ConsumeSharedModule(context, {
+									return new ConsumeSharedModule(compiler.context, {
 										...options,
 										import: options.import
 											? options.import + remainder
@@ -202,7 +202,7 @@ class ConsumeSharedPlugin {
 						}
 						const options = resolvedConsumes.get(createData.resource);
 						if (options !== undefined) {
-							return new ConsumeSharedModule(context, options);
+							return new ConsumeSharedModule(compiler.context, options);
 						}
 					}
 				);

test/PersistentCaching.test.js

@@ -54,6 +54,8 @@ describe("Persistent Caching", () => {
 		return new Promise((resolve, reject) => {
 			webpack({ ...config, ...configAdditions }, (err, stats) => {
 				if (err) return reject(err);
+				if (stats.hasErrors())
+					return reject(stats.toString({ preset: "errors-only" }));
 				resolve(stats);
 			});
 		});
@@ -138,7 +140,8 @@ export default ${files.map((_, i) => `f${i}`).join(" + ")};
 		const data = {
 			"index.js":
 				"export default import('container/src/exposed').then(m => m.default);",
-			"exposed.js": "export default 42;"
+			"exposed.js": "import lib from 'lib'; export default 21 + lib;",
+			"lib.js": "export default 21"
 		};
 		await updateSrc(data);
 		const configAdditions = {
@@ -148,7 +151,15 @@ export default ${files.map((_, i) => `f${i}`).join(" + ")};
 					library: { type: "commonjs-module" },
 					exposes: ["./src/exposed"],
 					remotes: {
-						container: "./container"
+						container: ["./no-container", "./container"]
+					},
+					shared: {
+						lib: {
+							import: "./src/lib",
+							shareKey: "lib",
+							version: "1.2.3",
+							requiredVersion: "^1.0.0"
+						}
 					}
 				})
 			]