import { describe, expect, it } from "@effect/vitest"; import { structuralSplit } from "../../sdk/split";import { buildGraphSliceDocument, parseGraphSourceDocument } from "./slice-build"; // Graph-shaped source: a mail path, an unrelated path, and a schema chain// where only part is reachable from the mail selection.const source = `openapi: 3.0.4info:  title: Microsoft Graph Fixture  version: v1.0servers:  - url: https://graph.microsoft.com/v1.0paths:  /me/messages:    get:      operationId: me.ListMessages      security:        - azureAdDelegated:            - Mail.ReadWrite      parameters:        - $ref: '#/components/parameters/Top'      responses:        "200":          description: OK          content:            application/json:              schema:                $ref: '#/components/schemas/microsoft.graph.messageCollection'  /irrelevant:    get:      operationId: irrelevant.Get      responses:        "200":          description: OK          content:            application/json:              schema:                $ref: '#/components/schemas/microsoft.graph.unrelated'components:  parameters:    Top:      name: $top      in: query      schema:        type: integer  securitySchemes:    azureAdDelegated:      type: oauth2      flows:        authorizationCode:          authorizationUrl: https://login.microsoftonline.com/common/oauth2/v2.0/authorize          tokenUrl: https://login.microsoftonline.com/common/oauth2/v2.0/token          scopes:            Mail.ReadWrite: Read and write mail  schemas:    microsoft.graph.messageCollection:      type: object      properties:        value:          type: array          items:            $ref: '#/components/schemas/microsoft.graph.message'    microsoft.graph.message:      type: object      properties:        id:          type: string    microsoft.graph.unrelated:      type: object      properties:        name:          type: string`; describe("buildGraphSliceDocument", () => {  it("keeps the selection's paths and prunes components to the reachable closure", () => {    const doc = parseGraphSourceDocument(source);    expect(doc).not.toBeNull();    const slice = buildGraphSliceDocument(doc!, ["mail"]);     expect(slice.pathCount).toBe(1);    expect(slice.operationCount).toBe(1);    expect(slice.specText).toContain("/me/messages");    expect(slice.specText).not.toContain("/irrelevant");    expect(slice.specText).toContain("microsoft.graph.messageCollection");    expect(slice.specText).toContain("microsoft.graph.message");    expect(slice.specText).not.toContain("microsoft.graph.unrelated");    // Referenced small components survive; securitySchemes always survive.    expect(slice.specText).toContain("$top");    expect(slice.specText).toContain("azureAdDelegated");  });   it("emits the streamable block-YAML profile the runtime splitter accepts", () => {    const doc = parseGraphSourceDocument(source);    expect(doc).not.toBeNull();    const slice = buildGraphSliceDocument(doc!, ["mail"]);     const structure = structuralSplit(slice.specText);    expect(structure).not.toBeNull();    expect(structure!.pathItems).toHaveLength(slice.pathCount);    expect(structure!.schemas).toHaveLength(slice.schemaCount);  });});