multica/packages/core/api/schemas.test.ts

import { describe, expect, it } from "vitest";
import { DuplicateIssueErrorBodySchema } from "./schemas";

// The duplicate-issue branch in create-issue.tsx feeds ApiError.body
// (typed as `unknown`) through this schema. Any future server drift that
// loses the contract MUST fail the parse so the UI falls back to a normal
// error toast instead of rendering an empty / partial duplicate card.
describe("DuplicateIssueErrorBodySchema", () => {
  const valid = {
    code: "active_duplicate_issue",
    error: "An active issue with this title already exists: MUL-12 – Login bug",
    issue: {
      id: "11111111-1111-1111-1111-111111111111",
      identifier: "MUL-12",
      title: "Login bug",
    },
  };

  it("accepts a well-formed body", () => {
    expect(DuplicateIssueErrorBodySchema.safeParse(valid).success).toBe(true);
  });

  it("accepts unknown extra fields via .loose()", () => {
    const forwardCompat = {
      ...valid,
      hint: "Try a different title",
      issue: { ...valid.issue, workspace_id: "ws-1", status: "todo" },
    };
    expect(DuplicateIssueErrorBodySchema.safeParse(forwardCompat).success).toBe(true);
  });

  it("rejects a renamed code (so renames degrade to the generic toast)", () => {
    const renamed = { ...valid, code: "duplicate_issue" };
    expect(DuplicateIssueErrorBodySchema.safeParse(renamed).success).toBe(false);
  });

  it("rejects a missing issue object", () => {
    const { issue: _omit, ...without } = valid;
    expect(DuplicateIssueErrorBodySchema.safeParse(without).success).toBe(false);
  });

  it("rejects a non-string issue.id", () => {
    const broken = { ...valid, issue: { ...valid.issue, id: 42 } };
    expect(DuplicateIssueErrorBodySchema.safeParse(broken).success).toBe(false);
  });

  it("accepts a missing error field (it is optional)", () => {
    const { error: _omit, ...without } = valid;
    expect(DuplicateIssueErrorBodySchema.safeParse(without).success).toBe(true);
  });
});