test: added test for RSC data router

Author: nickytonline

test/rsc-data.spec.ts

@@ -0,0 +1,54 @@
+import { getRscDataRouter, PrerenderManifest } from '../packages/runtime/src/templates/edge-shared/rsc-data'
+
+const basePrerenderManifest: PrerenderManifest = {
+  version: 3,
+  routes: {},
+  dynamicRoutes: {},
+  notFoundRoutes: [],
+}
+
+describe('getRscDataRouter', () => {
+  it('should create a RSC data router', () => {
+    const manifest: PrerenderManifest = {
+      ...basePrerenderManifest,
+      routes: {
+        '/': {
+          initialRevalidateSeconds: 1,
+          srcRoute: null,
+          dataRoute: '/index.json.rsc',
+        },
+        '/about': {
+          initialRevalidateSeconds: 1,
+          srcRoute: null,
+          dataRoute: '/about.json.rsc',
+        },
+      },
+    }
+
+    expect(() => {
+      getRscDataRouter(manifest)
+    }).toBeDefined()
+  })
+
+  it('should create a RSC data router when data routes are not present for routes', () => {
+    const manifest: PrerenderManifest = {
+      ...basePrerenderManifest,
+      routes: {
+        '/': {
+          initialRevalidateSeconds: 1,
+          srcRoute: null,
+          dataRoute: '/index.json.rsc',
+        },
+        '/api/hello': {
+          initialRevalidateSeconds: false,
+          srcRoute: '/api/hello',
+          dataRoute: null,
+        },
+      },
+    }
+
+    expect(() => {
+      getRscDataRouter(manifest)
+    }).not.toThrow()
+  })
+})