@apollo/client/testing/core/mocking/mockLink.d.ts

A fully-featured caching GraphQL client.

import type { Operation, GraphQLRequest, FetchResult } from "../../../link/core/index.js";
import { ApolloLink } from "../../../link/core/index.js";
import { Observable } from "../../../utilities/index.js";
export type ResultFunction<T> = () => T;
export interface MockedResponse<TData = Record<string, any>, TVariables = Record<string, any>> {
    request: GraphQLRequest<TVariables>;
    result?: FetchResult<TData> | ResultFunction<FetchResult<TData>>;
    error?: Error;
    delay?: number;
    newData?: ResultFunction<FetchResult>;
}
export interface MockLinkOptions {
    showWarnings?: boolean;
}
export declare class MockLink extends ApolloLink {
    operation: Operation;
    addTypename: Boolean;
    showWarnings: boolean;
    private mockedResponsesByKey;
    constructor(mockedResponses: ReadonlyArray<MockedResponse>, addTypename?: Boolean, options?: MockLinkOptions);
    addMockedResponse(mockedResponse: MockedResponse): void;
    request(operation: Operation): Observable<FetchResult> | null;
    private normalizeMockedResponse;
}
export interface MockApolloLink extends ApolloLink {
    operation?: Operation;
}
export declare function mockSingleLink(...mockedResponses: Array<any>): MockApolloLink;
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