import { describe, expect, it } from "@effect/vitest";import { Effect } from "effect"; import {  applySpecOverrides,  formatSpecOverridesText,  parseSpecOverridesText,  type SpecOverrides,} from "./spec-overrides"; const apply = (document: unknown, overrides: SpecOverrides) =>  Effect.runPromise(applySpecOverrides(document, overrides)); describe("OpenAPI spec overrides", () => {  it("parses and formats the JSON Patch editor contract", () => {    expect(parseSpecOverridesText("")).toEqual({ ok: true, value: [] });    expect(parseSpecOverridesText('[{"op":"remove","path":"/paths/~1legacy"}]')).toEqual({      ok: true,      value: [{ op: "remove", path: "/paths/~1legacy" }],    });    expect(parseSpecOverridesText('{"op":"remove"}')).toMatchObject({ ok: false });    expect(formatSpecOverridesText([{ op: "remove", path: "/paths/~1legacy" }])).toContain(      '"path": "/paths/~1legacy"',    );  });   it("applies ordered RFC 6902 operations without mutating the source", async () => {    const source = {      components: {        securitySchemes: {          OAuth2: {            flows: {              authorizationCode: {                scopes: { read: "Read", write: "Write" },              },            },          },        },      },      tags: ["one", "two"],    };     const result = await apply(source, [      {        op: "test",        path: "/components/securitySchemes/OAuth2/flows/authorizationCode/scopes/read",        value: "Read",      },      {        op: "replace",        path: "/components/securitySchemes/OAuth2/flows/authorizationCode/scopes",        value: { read: "Read" },      },      { op: "add", path: "/tags/-", value: "three" },      { op: "copy", from: "/tags/0", path: "/primaryTag" },      { op: "move", from: "/tags/1", path: "/tags/0" },      { op: "remove", path: "/tags/2" },    ]);     expect(result).toEqual({      components: {        securitySchemes: {          OAuth2: {            flows: {              authorizationCode: {                scopes: { read: "Read" },              },            },          },        },      },      tags: ["two", "one"],      primaryTag: "one",    });    expect(source.components.securitySchemes.OAuth2.flows.authorizationCode.scopes).toEqual({      read: "Read",      write: "Write",    });    expect(source.tags).toEqual(["one", "two"]);  });   it("reports the exact stale operation and path", async () => {    const error = await Effect.runPromise(      applySpecOverrides({ openapi: "3.1.0" }, [        { op: "replace", path: "/components/securitySchemes/OAuth2", value: {} },      ]).pipe(Effect.flip),    );     expect(error).toMatchObject({      _tag: "OpenApiSpecOverrideError",      operationIndex: 0,      operation: "replace",      path: "/components/securitySchemes/OAuth2",      message: expect.stringContaining(        "Spec override 1 (replace /components/securitySchemes/OAuth2) failed",      ),    });  });   it("rejects invalid pointers and failed test operations", async () => {    const invalidPointer = await Effect.runPromise(      applySpecOverrides({ openapi: "3.1.0" }, [        { op: "add", path: "openapi", value: "3.0.0" },      ]).pipe(Effect.flip),    );    expect(invalidPointer.message).toContain("Invalid JSON Pointer");     const failedTest = await Effect.runPromise(      applySpecOverrides({ openapi: "3.1.0" }, [        { op: "test", path: "/openapi", value: "3.0.0" },      ]).pipe(Effect.flip),    );    expect(failedTest.message).toContain("The test value did not match");  });   it("treats prototype-shaped keys as ordinary JSON properties", async () => {    const result = await apply({ openapi: "3.1.0" }, [      { op: "add", path: "/__proto__", value: { polluted: true } },    ]);     expect(Object.hasOwn(result, "__proto__")).toBe(true);    expect(Object.getPrototypeOf(result)).toBeNull();    expect(Object.hasOwn(Object.prototype, "polluted")).toBe(false);  });});