test(rsc-mf): cover federation remotes-array and ssr-only path fallbacks

Author: cursoragent

tests/integration/rsc-mf/tests/forceRemotePublicPath.test.ts

@@ -146,6 +146,53 @@ describe('host forceRemotePublicPath runtime plugin', () => {
     );
   });
 
+  it('resolves remote public paths from __FEDERATION__ remotes array entries', () => {
+    (
+      globalThis as typeof globalThis & {
+        __FEDERATION__?: unknown;
+      }
+    ).__FEDERATION__ = {
+      __INSTANCES__: [
+        {
+          options: {
+            remotes: [
+              {
+                alias: 'rscRemote',
+                entry:
+                  'https://federation-array.example.com/static/mf-manifest.json',
+              },
+            ],
+          },
+        },
+      ],
+    } as any;
+    const plugin = forceRemotePublicPath();
+    const args = {
+      remoteInfo: {
+        alias: 'rscRemote',
+      },
+      remoteSnapshot: {
+        publicPath: 'http://stale.example.com/',
+        metaData: {
+          publicPath: 'http://stale.example.com/',
+          ssrPublicPath: 'http://stale.example.com/bundles/',
+        },
+      },
+    };
+
+    plugin.loadRemoteSnapshot?.(args as any);
+
+    expect(args.remoteSnapshot.publicPath).toBe(
+      'https://federation-array.example.com/',
+    );
+    expect(args.remoteSnapshot.metaData.publicPath).toBe(
+      'https://federation-array.example.com/',
+    );
+    expect(args.remoteSnapshot.metaData.ssrPublicPath).toBe(
+      'https://federation-array.example.com/bundles/',
+    );
+  });
+
   it('resolves remote public paths from __FEDERATION__ module metadata fallback', () => {
     (
       globalThis as typeof globalThis & {
@@ -190,6 +237,49 @@ describe('host forceRemotePublicPath runtime plugin', () => {
     );
   });
 
+  it('derives publicPath from __FEDERATION__ ssrPublicPath-only metadata', () => {
+    (
+      globalThis as typeof globalThis & {
+        __FEDERATION__?: unknown;
+      }
+    ).__FEDERATION__ = {
+      moduleInfo: {
+        customModuleInfoKey: {
+          alias: 'rscRemote',
+          metaData: {
+            ssrPublicPath:
+              'https://federation-ssr-only.example.com/assets/bundles/?cache=1#hash',
+          },
+        },
+      },
+    } as any;
+    const plugin = forceRemotePublicPath();
+    const args = {
+      remoteInfo: {
+        alias: 'rscRemote',
+      },
+      remoteSnapshot: {
+        publicPath: 'http://stale.example.com/',
+        metaData: {
+          publicPath: 'http://stale.example.com/',
+          ssrPublicPath: 'http://stale.example.com/bundles/',
+        },
+      },
+    };
+
+    plugin.loadRemoteSnapshot?.(args as any);
+
+    expect(args.remoteSnapshot.publicPath).toBe(
+      'https://federation-ssr-only.example.com/assets/',
+    );
+    expect(args.remoteSnapshot.metaData.publicPath).toBe(
+      'https://federation-ssr-only.example.com/assets/',
+    );
+    expect(args.remoteSnapshot.metaData.ssrPublicPath).toBe(
+      'https://federation-ssr-only.example.com/assets/bundles/',
+    );
+  });
+
   it('does not mutate when entry is not a valid URL', () => {
     const plugin = forceRemotePublicPath();
     const args = {