test: migrate from e2e to integration tests

Author: orinokai

package-lock.json

@@ -90,6 +90,7 @@
     "semver": "^7.6.0",
     "typescript": "^5.4.5",
     "unionfs": "^4.5.4",
+    "urlpattern-polyfill": "^10.0.0",
     "uuid": "^10.0.0",
     "vitest": "^1.5.3"
   },

package.json

@@ -0,0 +1,70 @@
+import { join as posixJoin } from 'node:path/posix'
+import 'urlpattern-polyfill'
+import { v4 } from 'uuid'
+import { beforeEach, expect, test, vi } from 'vitest'
+import { SERVER_HANDLER_NAME } from '../../src/build/plugin-context.js'
+import { type FixtureTestContext } from '../utils/contexts.js'
+import { createFixture, runPlugin } from '../utils/fixture.js'
+import { generateRandomObjectID, startMockBlobStore } from '../utils/helpers.js'
+
+const ssrRoutes = [
+  ['/static', 'pages router, static rendering, static routing'],
+  ['/prerendered', 'pages router, prerendering, static routing'],
+  ['/posts/prerendered/1', 'pages router, prerendering, dynamic routing'],
+  ['/dynamic', 'pages router, dynamic rendering, static routing'],
+  ['/posts/dynamic/1', 'pages router, dynamic rendering, dynamic routing'],
+  ['/api/okay', 'pages router, api route, static routing'],
+  ['/api/posts/1', 'pages router, api route, dynamic routing'],
+  ['/static-fetch-1', 'app router, prerendering, static routing'],
+  ['/static-fetch/1', 'app router, prerendering, dynamic routing'],
+  ['/static-fetch-dynamic-1', 'app router, dynamic rendering, static routing'],
+  ['/static-fetch-dynamic/1', 'app router, dynamic rendering, dynamic routing'],
+  ['/api/revalidate-handler', 'app router, route handler, static routing'],
+  ['/api/static/1', 'app router, route handler, dynamic routing'],
+]
+
+const notFoundRoutes = [
+  ['/non-existing', 'default'],
+  ['/posts/prerendered/3', 'pages router, prerendering, dynamic routing'],
+  ['/api/non-existing', 'pages router, api route, static routing'],
+]
+
+const baseURL = 'http://localhost'
+
+beforeEach<FixtureTestContext>(async (ctx) => {
+  // set for each test a new deployID and siteID
+  ctx.deployID = generateRandomObjectID()
+  ctx.siteID = v4()
+  vi.stubEnv('DEPLOY_ID', ctx.deployID)
+
+  await startMockBlobStore(ctx)
+})
+
+test<FixtureTestContext>('that the SSR handler routing works correctly', async (ctx) => {
+  await createFixture('server-components', ctx)
+  await runPlugin(ctx)
+
+  const handler = await import(
+    posixJoin(
+      ctx.cwd,
+      '.netlify/functions-internal',
+      SERVER_HANDLER_NAME,
+      `${SERVER_HANDLER_NAME}.mjs`,
+    )
+  )
+
+  const matcher = (path: string) =>
+    handler.config.path.some((pattern) =>
+      new URLPattern({ pathname: pattern, baseURL }).test(posixJoin(baseURL, path)),
+    )
+
+  // check ssr routes are satisfied by the url patterns
+  for (const [path, description] of ssrRoutes) {
+    expect(path, `expected 200 response for ${description}`).toSatisfy(matcher)
+  }
+
+  // check not found routes are not satisfied by the url patterns
+  for (const [path, description] of notFoundRoutes) {
+    expect(path, `expected 404 response for ${description}`).not.toSatisfy(matcher)
+  }
+})