test: add web quality gates

src/utils/enterpriseVideoPolicy.test.ts

@@ -0,0 +1,48 @@
+import { describe, expect, it } from "../test/testHarness";
+
+import {
+  calculateEnterpriseVideoCredits,
+  getEnterpriseVideoCreditRate,
+  normalizeEnterpriseResolution,
+} from "./enterpriseVideoPolicy";
+
+describe("enterpriseVideoPolicy", () => {
+  it("keeps video billing at 1 CNY to 100 credits", () => {
+    expect(
+      calculateEnterpriseVideoCredits({
+        model: "happyhorse-1.0",
+        resolution: "1080P",
+        durationSeconds: 5,
+      }),
+    ).toBe(640);
+
+    expect(
+      calculateEnterpriseVideoCredits({
+        model: "wan2.7-i2v",
+        resolution: "720P",
+        durationSeconds: 5,
+      }),
+    ).toBe(300);
+  });
+
+  it("rounds duration up to the next second before billing", () => {
+    expect(
+      calculateEnterpriseVideoCredits({
+        model: "vidu-q3-turbo",
+        resolution: "1080P",
+        durationSeconds: 5.2,
+      }),
+    ).toBe(600);
+  });
+
+  it("normalizes unsupported resolutions to 1080P", () => {
+    expect(normalizeEnterpriseResolution("4K")).toBe("1080P");
+    expect(
+      getEnterpriseVideoCreditRate({
+        model: "pixverse-c1",
+        resolution: "4K",
+        durationSeconds: 5,
+      }),
+    ).toBe(1);
+  });
+});