snapshot of https://github.com/shadcn-ui/ui.git (main, 2026-09-15; blobs > 131072B omitted)

apps/v4/app/r/registries.json/route.test.ts

@@ -0,0 +1,203 @@
+import { afterEach, beforeEach, describe, expect, it, vi } from "vitest"
+
+import { loadRegistryHealthSnapshot } from "@/lib/registry-health/blob"
+import type {
+  RegistryHealth,
+  RegistryHealthSnapshot,
+} from "@/lib/registry-health/schema"
+import directory from "@/registry/directory.json"
+
+import { dynamic, GET, revalidate } from "./route"
+
+vi.mock("@/lib/registry-health/blob", () => ({
+  loadRegistryHealthSnapshot: vi.fn(),
+}))
+
+const GENERATED_AT = "2026-08-24T12:00:00.000Z"
+const loadSnapshot = vi.mocked(loadRegistryHealthSnapshot)
+
+function createHealth(overrides: Partial<RegistryHealth> = {}) {
+  return {
+    schemaVersion: 1,
+    scoreVersion: 1,
+    status: "healthy",
+    statusReason: {
+      code: "healthy_thresholds",
+      message: "Recent checks are within healthy thresholds",
+    },
+    score: 90,
+    breakdown: {
+      reliability: 40,
+      correctness: 23,
+      installability: 18,
+      hygiene: 9,
+    },
+    availability7d: 0.99,
+    availability30d: 0.98,
+    monitoringLimited: false,
+    firstObservedAt: "2026-08-01T00:00:00.000Z",
+    checkedAt: GENERATED_AT,
+    lastSuccessfulCheck: GENERATED_AT,
+    hidden: false,
+    ...overrides,
+  } satisfies RegistryHealth
+}
+
+function createSnapshot(registries: RegistryHealthSnapshot["registries"]) {
+  return {
+    schemaVersion: 1,
+    scoreVersion: 1,
+    generatedAt: GENERATED_AT,
+    globalMeans: {
+      availability7d: 0.85,
+      availability30d: 0.85,
+      indexSchema: 0.9,
+      itemValidity: 0.9,
+      dryRun: 0.9,
+    },
+    registries,
+  } satisfies RegistryHealthSnapshot
+}
+
+describe("GET /r/registries.json", () => {
+  beforeEach(() => {
+    vi.useFakeTimers()
+    vi.setSystemTime(new Date("2026-08-24T13:00:00.000Z"))
+    vi.stubEnv("REGISTRY_HEALTH_ENABLED", "1")
+    vi.stubEnv("BLOB_READ_WRITE_TOKEN", "test-token")
+    vi.stubEnv("REGISTRY_HEALTH_BLOB_STORE_ID", "test-store-id")
+    loadSnapshot.mockReset()
+    vi.spyOn(console, "warn").mockImplementation(() => {})
+  })
+
+  afterEach(() => {
+    vi.useRealTimers()
+    vi.unstubAllEnvs()
+    vi.restoreAllMocks()
+  })
+
+  it("uses static ISR so requests do not read Blob directly", () => {
+    expect(dynamic).toBe("force-static")
+    expect(revalidate).toBe(300)
+  })
+
+  it("merges fresh health by exact namespace", async () => {
+    const first = directory[0]
+    loadSnapshot.mockResolvedValue(
+      createSnapshot({ [first.name]: createHealth() })
+    )
+
+    const response = await GET()
+    const payload = await response.json()
+
+    expect(response.status).toBe(200)
+    expect(payload[0]).toMatchObject({
+      name: first.name,
+      homepage: first.homepage,
+      url: first.url,
+      description: first.description,
+      health: {
+        score: 90,
+        statusReason: {
+          code: "healthy_thresholds",
+          message: "Recent checks are within healthy thresholds",
+        },
+      },
+    })
+    expect(loadSnapshot).toHaveBeenCalledWith({
+      token: "test-token",
+      storeId: "test-store-id",
+      abortSignal: expect.any(AbortSignal),
+    })
+  })
+
+  it("falls back to the default Blob store ID", async () => {
+    vi.stubEnv("REGISTRY_HEALTH_BLOB_STORE_ID", "")
+    vi.stubEnv("BLOB_STORE_ID", "default-store-id")
+    loadSnapshot.mockResolvedValue(createSnapshot({}))
+
+    await GET()
+
+    expect(loadSnapshot).toHaveBeenCalledWith({
+      token: "test-token",
+      storeId: "default-store-id",
+      abortSignal: expect.any(AbortSignal),
+    })
+  })
+
+  it("omits health for a registry missing from the snapshot", async () => {
+    loadSnapshot.mockResolvedValue(createSnapshot({}))
+
+    const response = await GET()
+    const payload = await response.json()
+
+    expect(payload[0]).not.toHaveProperty("health")
+  })
+
+  it("returns the original payload when health is disabled", async () => {
+    vi.stubEnv("REGISTRY_HEALTH_ENABLED", "0")
+
+    const response = await GET()
+    const payload = await response.json()
+
+    expect(loadSnapshot).not.toHaveBeenCalled()
+    expect(payload[0]).toEqual({
+      name: directory[0].name,
+      homepage: directory[0].homepage,
+      url: directory[0].url,
+      description: directory[0].description,
+    })
+  })
+
+  it("fails open for a stale snapshot", async () => {
+    vi.setSystemTime(new Date("2026-08-25T00:00:00.000Z"))
+    loadSnapshot.mockResolvedValue(createSnapshot({}))
+
+    const response = await GET()
+    const payload = await response.json()
+
+    expect(response.status).toBe(200)
+    expect(payload[0]).not.toHaveProperty("health")
+  })
+
+  it.each(["a malformed snapshot", "an unknown version", "a Blob 500"])(
+    "fails open for %s",
+    async (failure) => {
+      loadSnapshot.mockRejectedValue(new Error(failure))
+
+      const response = await GET()
+      const payload = await response.json()
+
+      expect(response.status).toBe(200)
+      expect(payload[0]).not.toHaveProperty("health")
+    }
+  )
+
+  it("fails open when the snapshot request times out", async () => {
+    loadSnapshot.mockImplementation(
+      ({ abortSignal }) =>
+        new Promise((_resolve, reject) => {
+          abortSignal?.addEventListener("abort", () => {
+            reject(new DOMException("Aborted", "AbortError"))
+          })
+        })
+    )
+
+    const responsePromise = GET()
+    await vi.advanceTimersByTimeAsync(2500)
+    const response = await responsePromise
+    const payload = await response.json()
+
+    expect(response.status).toBe(200)
+    expect(payload[0]).not.toHaveProperty("health")
+  })
+
+  it("fails open when the snapshot is missing", async () => {
+    loadSnapshot.mockResolvedValue(null)
+
+    const response = await GET()
+    const payload = await response.json()
+
+    expect(payload[0]).not.toHaveProperty("health")
+  })
+})