chore: import upstream snapshot with attribution

2026-07-13 13:32:57 +08:00
commit cd420f9332
4811 changed files with 884702 additions and 0 deletions
@@ -0,0 +1,99 @@
+import { describe, it, expect } from "vitest";
+import {
+  regionForQueue,
+  backingForQueue,
+  type WorkerGroupRegionRow,
+} from "~/v3/workerRegions.server";
+
+const groups: WorkerGroupRegionRow[] = [
+  {
+    masterQueue: "us-east-1",
+    region: "us-east-1",
+    workloadType: "CONTAINER",
+    hidden: false,
+    enableFastPath: false,
+  },
+  {
+    masterQueue: "us-east-1-next",
+    region: "us-east-1",
+    workloadType: "MICROVM",
+    hidden: false,
+    enableFastPath: true,
+  },
+  {
+    masterQueue: "eu-central-1",
+    region: "eu-central-1",
+    workloadType: "CONTAINER",
+    hidden: false,
+    enableFastPath: false,
+  },
+];
+
+describe("regionForQueue", () => {
+  it("maps a backing queue to its region", () => {
+    expect(regionForQueue("us-east-1-next", groups)).toBe("us-east-1");
+  });
+  it("maps a container queue to its own region", () => {
+    expect(regionForQueue("us-east-1", groups)).toBe("us-east-1");
+  });
+  it("passes an unknown queue through unchanged", () => {
+    expect(regionForQueue("mystery", groups)).toBe("mystery");
+  });
+  it("passes through when a group has no region set", () => {
+    expect(
+      regionForQueue("x", [
+        {
+          masterQueue: "x",
+          region: null,
+          workloadType: "CONTAINER",
+          hidden: false,
+          enableFastPath: false,
+        },
+      ])
+    ).toBe("x");
+  });
+});
+
+describe("backingForQueue", () => {
+  it("finds the MICROVM backing for a region with one", () => {
+    expect(backingForQueue("us-east-1", groups)).toEqual({
+      workerQueue: "us-east-1-next",
+      enableFastPath: true,
+    });
+  });
+  it("returns undefined for a region with no compute backing (EU)", () => {
+    expect(backingForQueue("eu-central-1", groups)).toBeUndefined();
+  });
+  it("returns undefined when the queue's group has no region", () => {
+    expect(
+      backingForQueue("x", [
+        {
+          masterQueue: "x",
+          region: null,
+          workloadType: "CONTAINER",
+          hidden: false,
+          enableFastPath: false,
+        },
+      ])
+    ).toBeUndefined();
+  });
+  it("ignores hidden MICROVM groups", () => {
+    const g: WorkerGroupRegionRow[] = [
+      {
+        masterQueue: "us-east-1",
+        region: "us-east-1",
+        workloadType: "CONTAINER",
+        hidden: false,
+        enableFastPath: false,
+      },
+      {
+        masterQueue: "us-east-1-next",
+        region: "us-east-1",
+        workloadType: "MICROVM",
+        hidden: true,
+        enableFastPath: true,
+      },
+    ];
+    expect(backingForQueue("us-east-1", g)).toBeUndefined();
+  });
+});