star-chart-search-enhancer/tests/market-api-client.test.ts

import { describe, expect, test } from "vitest";

import {
  buildAuthorAseInfoUrl,
  buildAuthorCommerceSeedBaseInfoUrl,
  createMarketApiClient,
  mapAuthorAseInfoResponse
} from "../src/content/market/api-client";

describe("market-api-client", () => {
  test("builds the author ase info url with author id and range", () => {
    expect(
      buildAuthorAseInfoUrl("123", "https://xingtu.cn")
    ).toBe(
      "https://xingtu.cn/gw/api/aggregator/get_author_ase_info?author_id=123&range=30"
    );
  });

  test("maps a valid ASE payload into normalized rates", () => {
    expect(
      mapAuthorAseInfoResponse({
        data: {
          avg_search_after_view_rate: "<0.02%",
          personal_avg_search_after_view_rate: "0.02 - 0.1%"
        }
      })
    ).toMatchObject({
      success: true,
      rates: {
        singleVideoAfterSearchRate: "<0.02%",
        personalVideoAfterSearchRate: "0.02% - 0.1%"
      }
    });
  });

  test("returns a missing-rate failure when the payload omits a required field", () => {
    expect(
      mapAuthorAseInfoResponse({
        data: {
          avg_search_after_view_rate: "<0.02%"
        }
      })
    ).toMatchObject({
      success: false,
      reason: "missing-rate"
    });
  });

  test("returns a request-failed result for non-ok responses", async () => {
    const client = createMarketApiClient({
      fetchImpl: async () => ({
        ok: false,
        json: async () => ({})
      })
    });

    await expect(client.loadAuthorAseInfo("123")).resolves.toMatchObject({
      success: false,
      reason: "request-failed"
    });
  });

  test("loads rates from the commerce seed endpoint first", async () => {
    const requestedUrls: string[] = [];
    const client = createMarketApiClient({
      fetchImpl: async (input) => {
        requestedUrls.push(input);
        return {
          ok: true,
          json: async () => ({
            avg_search_after_view_rate: "0.1% - 0.25%",
            personal_avg_search_after_view_rate: "0.02% - 0.1%"
          })
        };
      }
    });

    await expect(client.loadAuthorAseInfo("7363217488772857856")).resolves.toMatchObject(
      {
        success: true,
        rates: {
          singleVideoAfterSearchRate: "0.1% - 0.25%",
          personalVideoAfterSearchRate: "0.02% - 0.1%"
        }
      }
    );
    expect(requestedUrls).toEqual([
      "https://xingtu.cn/gw/api/aggregator/get_author_commerce_seed_base_info?o_author_id=7363217488772857856&range=90"
    ]);
  });

  test("falls back to the ASE endpoint when the commerce seed endpoint fails", async () => {
    const requestedUrls: string[] = [];
    const client = createMarketApiClient({
      fetchImpl: async (input) => {
        requestedUrls.push(input);
        if (input.includes("get_author_commerce_seed_base_info")) {
          return {
            ok: false,
            json: async () => ({})
          };
        }

        return {
          ok: true,
          json: async () => ({
            data: {
              avg_search_after_view_rate: "<0.02%",
              personal_avg_search_after_view_rate: "0.02 - 0.1%"
            }
          })
        };
      }
    });

    await expect(client.loadAuthorAseInfo("7363217488772857856")).resolves.toMatchObject(
      {
        success: true,
        rates: {
          singleVideoAfterSearchRate: "<0.02%",
          personalVideoAfterSearchRate: "0.02% - 0.1%"
        }
      }
    );
    expect(requestedUrls).toEqual([
      "https://xingtu.cn/gw/api/aggregator/get_author_commerce_seed_base_info?o_author_id=7363217488772857856&range=90",
      "https://xingtu.cn/gw/api/aggregator/get_author_ase_info?author_id=7363217488772857856&range=30"
    ]);
  });

  test("returns a timeout result when the request aborts", async () => {
    const client = createMarketApiClient({
      fetchImpl: async () => {
        throw new DOMException("Timed out", "AbortError");
      },
      timeoutMs: 1
    });

    await expect(client.loadAuthorAseInfo("123")).resolves.toMatchObject({
      success: false,
      reason: "timeout"
    });
  });

  test("builds the author commerce seed info url with author id and range", () => {
    expect(
      buildAuthorCommerceSeedBaseInfoUrl("7363217488772857856", "https://xingtu.cn")
    ).toBe(
      "https://xingtu.cn/gw/api/aggregator/get_author_commerce_seed_base_info?o_author_id=7363217488772857856&range=90"
    );
  });
});