frontend/src/api/__tests__/client.test.ts

import { describe, it, expect } from "vitest";
import { server } from "../../mocks/server";
import { errorHandlers } from "../../mocks/handlers";
import { apiClient } from "../client";

describe("apiClient", () => {
  describe("getCases", () => {
    it("returns list of case IDs", async () => {
      const result = await apiClient.getCases();

      expect(result.cases).toHaveLength(3);
      expect(result.cases).toContain("sub-stroke0001");
    });

    it("throws ApiError on server error", async () => {
      server.use(errorHandlers.casesServerError);

      await expect(apiClient.getCases()).rejects.toThrow(
        /failed to fetch cases/i,
      );
    });

    it("throws ApiError on network error", async () => {
      server.use(errorHandlers.casesNetworkError);

      await expect(apiClient.getCases()).rejects.toThrow();
    });
  });

  describe("createSegmentJob", () => {
    it("returns job ID and pending status", async () => {
      const result = await apiClient.createSegmentJob("sub-stroke0001");

      expect(result.jobId).toBeDefined();
      expect(result.status).toBe("pending");
      expect(result.message).toContain("sub-stroke0001");
    });

    it("sends fast_mode parameter", async () => {
      const result = await apiClient.createSegmentJob("sub-stroke0001", false);

      expect(result.jobId).toBeDefined();
      expect(result.status).toBe("pending");
    });

    it("throws ApiError on server error", async () => {
      server.use(errorHandlers.segmentCreateError);

      await expect(
        apiClient.createSegmentJob("sub-stroke0001"),
      ).rejects.toThrow(/failed to create job/i);
    });
  });

  describe("getJobStatus", () => {
    it("returns job status with progress", async () => {
      // First create a job
      const createResult = await apiClient.createSegmentJob("sub-stroke0001");

      // Then get its status
      const status = await apiClient.getJobStatus(createResult.jobId);

      expect(status.jobId).toBe(createResult.jobId);
      expect(["pending", "running", "completed"]).toContain(status.status);
      expect(status.progress).toBeGreaterThanOrEqual(0);
      expect(status.progress).toBeLessThanOrEqual(100);
      expect(status.progressMessage).toBeDefined();
    });

    it("throws ApiError when job not found", async () => {
      server.use(errorHandlers.jobNotFound);

      await expect(apiClient.getJobStatus("nonexistent-job")).rejects.toThrow(
        /not found/i,
      );
    });
  });
});