ai-chatbot/tests/routes/video-generation-parameters.test.ts

import { expect, test } from "@playwright/test";
import {
  defaultVideoCanvasGenerationParametersConfig,
  estimateVideoCanvasGenerationParameterPoints,
  mergeVideoCanvasGenerationParameterSettings,
  normalizeVideoCanvasGenerationParametersConfig,
  normalizeVideoCanvasGenerationRequestCount,
  resolveVideoCanvasGenerationParameterSettings,
} from "../../lib/video-canvas/video-generation-parameters";

test.describe("video canvas generation parameters", () => {
  test("provides the competitor-matched parameter defaults", () => {
    expect(defaultVideoCanvasGenerationParametersConfig).toEqual({
      countOptions: [1, 2, 4],
      defaultCount: 1,
      defaultDurationSeconds: 5,
      defaultGenerateAudio: true,
      defaultRatio: "16:9",
      defaultResolution: "720P",
      durationStepSeconds: 1,
      maxDurationSeconds: 15,
      minDurationSeconds: 4,
      parameterPricingEnabled: true,
      pointsPerSecondByResolution: {
        "480P": 13,
        "720P": 27,
        "1080P": 68,
        "4K": 140,
      },
      ratioOptions: ["Auto", "16:9", "4:3", "1:1", "3:4", "9:16", "21:9"],
      resolutionOptions: ["480P", "720P", "1080P", "4K"],
    });
  });

  test("normalizes administrator options and preserves explicit false values", () => {
    const config = normalizeVideoCanvasGenerationParametersConfig({
      countOptions: [1, 3, 4, 4],
      defaultCount: 4,
      defaultDurationSeconds: 7,
      defaultGenerateAudio: false,
      defaultRatio: "adaptive",
      defaultResolution: "4k",
      maxDurationSeconds: 20,
      minDurationSeconds: 3,
      parameterPricingEnabled: false,
      pointsPerSecondByResolution: { "1080p": 72.345, "4k": 150 },
      ratioOptions: ["adaptive", "16:9", "bad"],
      resolutionOptions: ["1080p", "4k", "bad"],
    });

    expect(config).toMatchObject({
      countOptions: [1, 4],
      defaultCount: 4,
      defaultDurationSeconds: 7,
      defaultGenerateAudio: false,
      defaultRatio: "Auto",
      defaultResolution: "4K",
      maxDurationSeconds: 20,
      minDurationSeconds: 3,
      parameterPricingEnabled: false,
      pointsPerSecondByResolution: { "1080P": 72.35, "4K": 150 },
      ratioOptions: ["Auto", "16:9"],
      resolutionOptions: ["1080P", "4K"],
    });
  });

  test("restores canonical top-level and saved settings values", () => {
    expect(
      resolveVideoCanvasGenerationParameterSettings(
        {
          audio: false,
          count: 2,
          duration: 2,
          ratio: "3:4",
          resolution: "1080p",
        },
        defaultVideoCanvasGenerationParametersConfig,
      ),
    ).toEqual({
      audio: "关闭",
      count: "2个",
      duration: "4s",
      ratio: "3:4",
      resolution: "1080P",
    });

    expect(
      resolveVideoCanvasGenerationParameterSettings(
        {
          settings: {
            audio: "开启",
            count: "4个",
            duration: "15s",
            ratio: "Auto",
            resolution: "4K",
          },
        },
        defaultVideoCanvasGenerationParametersConfig,
      ),
    ).toEqual({
      audio: "开启",
      count: "4个",
      duration: "15s",
      ratio: "Auto",
      resolution: "4K",
    });

    expect(
      resolveVideoCanvasGenerationParameterSettings(
        {
          audio: false,
          count: 2,
          settings: { audio: "开启", count: "4个" },
        },
        defaultVideoCanvasGenerationParametersConfig,
      ),
    ).toMatchObject({ audio: "关闭", count: "2个" });
  });

  test("persists all five settings without dropping unrelated node data", () => {
    expect(
      mergeVideoCanvasGenerationParameterSettings(
        {
          mode: "first-frame",
          settings: { model: "seedance", searchEnabled: true },
        },
        {
          audio: "关闭",
          count: "2个",
          duration: "7s",
          ratio: "3:4",
          resolution: "1080P",
        },
        defaultVideoCanvasGenerationParametersConfig,
      ),
    ).toEqual({
      audio: false,
      count: 2,
      duration: 7,
      mode: "first-frame",
      ratio: "3:4",
      resolution: "1080p",
      settings: {
        audio: "关闭",
        count: "2个",
        duration: "7s",
        model: "seedance",
        ratio: "3:4",
        resolution: "1080P",
        searchEnabled: true,
      },
    });
  });

  test("matches the observed per-second pricing formula", () => {
    const estimate = (resolution: string, duration: string, count: string) =>
      estimateVideoCanvasGenerationParameterPoints(
        { count, duration, resolution },
        defaultVideoCanvasGenerationParametersConfig,
      );

    expect(estimate("480P", "6s", "1个")).toBe(78);
    expect(estimate("720P", "6s", "1个")).toBe(162);
    expect(estimate("1080P", "7s", "2个")).toBe(952);
    expect(estimate("4K", "4s", "4个")).toBe(2240);
  });

  test("shares the backend batch-count validation rule", () => {
    expect(normalizeVideoCanvasGenerationRequestCount(undefined)).toBe(1);
    expect(normalizeVideoCanvasGenerationRequestCount(2)).toBe(2);
    expect(normalizeVideoCanvasGenerationRequestCount("4")).toBe(4);
    expect(normalizeVideoCanvasGenerationRequestCount(3)).toBeNull();
    expect(normalizeVideoCanvasGenerationRequestCount(8)).toBeNull();
  });
});