tests: import from entry points where possible, add @apollo/client/testing/internal entry point

.api-reports/api-report-testing_internal.api.md

@@ -0,0 +1,278 @@
+## API Report File for "@apollo/client"
+
+> Do not edit this file. It is a report generated by [API Extractor](https://api-extractor.com/).
+
+```ts
+
+import type { ApolloClient } from '@apollo/client/core';
+import { ApolloLink } from '@apollo/client/core';
+import type { ApolloPayloadResult } from '@apollo/client/core';
+import { FetchResult } from '@apollo/client/core';
+import type { GraphQLFormattedError } from 'graphql-17-alpha2';
+import { GraphQLRequest } from '@apollo/client/core';
+import { HttpLink } from '@apollo/client/link/http';
+import type { InitialIncrementalExecutionResult } from 'graphql-17-alpha2';
+import type { MaskedDocumentNode } from '@apollo/client/masking';
+import type { MockedProviderProps } from '@apollo/client/testing/react';
+import type { MockedResponse } from '@apollo/client/testing/core';
+import type { Observable } from 'rxjs';
+import type { Queries } from '@testing-library/dom';
+import type { queries } from '@testing-library/dom';
+import * as React_2 from 'react';
+import type * as ReactDOMClient from 'react-dom/client';
+import type { RenderHookOptions } from '@testing-library/react';
+import type { RenderHookResult } from '@testing-library/react';
+import type { RenderOptions } from '@testing-library/react';
+import type { RenderResult } from '@testing-library/react';
+import { ResultFunction } from '@apollo/client/testing/core';
+import type { Subscribable } from 'rxjs';
+import type { SubsequentIncrementalExecutionResult } from 'graphql-17-alpha2';
+import type { TypedDocumentNode } from '@apollo/client/core';
+
+// @public (undocumented)
+export function actAsync<T>(scope: () => T | Promise<T>): Promise<T>;
+
+// @public (undocumented)
+export function addDelayToMocks<T extends MockedResponse<unknown>[]>(mocks: T, delay?: number, override?: boolean): {
+    delay: number;
+    request: GraphQLRequest<Record<string, any>>;
+    maxUsageCount?: number;
+    result?: FetchResult<unknown> | ResultFunction<FetchResult<unknown>, Record<string, any>> | undefined;
+    error?: Error;
+    variableMatcher?: ((arg: Record<string, any>) => boolean) | undefined;
+    newData?: ResultFunction<FetchResult<unknown>, Record<string, any>> | undefined;
+}[];
+
+// @public (undocumented)
+type ConsoleMethod = "log" | "info" | "warn" | "error" | "debug";
+
+// @public (undocumented)
+export function createClientWrapper(client: ApolloClient, Wrapper?: React_2.JSXElementConstructor<{
+    children: React_2.ReactNode;
+}>): React_2.JSXElementConstructor<{
+    children: React_2.ReactNode;
+}>;
+
+// @public (undocumented)
+export function createMockWrapper(renderOptions: MockedProviderProps, Wrapper?: React_2.JSXElementConstructor<{
+    children: React_2.ReactNode;
+}>): React_2.JSXElementConstructor<{
+    children: React_2.ReactNode;
+}>;
+
+// @public (undocumented)
+export function enableFakeTimers(config?: FakeTimersConfig | LegacyFakeTimersConfig): Disposable;
+
+// @public (undocumented)
+type HydrateableContainer = Parameters<(typeof ReactDOMClient)["hydrateRoot"]>[0];
+
+// @public (undocumented)
+type HydrateableContainer_2 = Parameters<(typeof ReactDOMClient)["hydrateRoot"]>[0];
+
+// @public (undocumented)
+interface Letter {
+    // (undocumented)
+    __typename: "Letter";
+    // (undocumented)
+    letter: string;
+    // (undocumented)
+    position: number;
+}
+
+// @public (undocumented)
+export interface MaskedVariablesCaseData {
+    // (undocumented)
+    character: {
+        __typename: "Character";
+        id: string;
+    } & {
+        " $fragmentRefs"?: {
+            MaskedVariablesCaseFragment: MaskedVariablesCaseFragment;
+        };
+    };
+}
+
+// @public (undocumented)
+type MaskedVariablesCaseFragment = {
+    __typename: "Character";
+    name: string;
+} & {
+    " $fragmentName"?: "MaskedVariablesCaseFragment";
+};
+
+// @public (undocumented)
+export function mockDeferStream<TData = Record<string, unknown>, TExtensions = Record<string, unknown>>(): {
+    httpLink: HttpLink;
+    enqueueInitialChunk(chunk: InitialIncrementalExecutionResult<TData, TExtensions>): void;
+    enqueueSubsequentChunk(chunk: SubsequentIncrementalExecutionResult<TData, TExtensions>): void;
+    enqueueErrorChunk(errors: GraphQLFormattedError[]): void;
+};
+
+// @public (undocumented)
+export function mockMultipartSubscriptionStream<TData = Record<string, unknown>, TExtensions = Record<string, unknown>>(): {
+    httpLink: HttpLink;
+    enqueueHeartbeat: () => void;
+    enqueuePayloadResult(payload: ApolloPayloadResult<TData, TExtensions>["payload"], hasNext?: boolean): void;
+    enqueueProtocolErrors(errors: ApolloPayloadResult["errors"]): void;
+};
+
+// @public (undocumented)
+type ObservableEvent<T> = {
+    type: "next";
+    value: T;
+} | {
+    type: "error";
+    error: any;
+} | {
+    type: "complete";
+};
+
+// @public (undocumented)
+export class ObservableStream<T> {
+    constructor(observable: Observable<T> | Subscribable<T>);
+    // Warning: (ae-forgotten-export) The symbol "TakeOptions" needs to be exported by the entry point index.d.ts
+    // Warning: (ae-forgotten-export) The symbol "ObservableEvent" needs to be exported by the entry point index.d.ts
+    //
+    // (undocumented)
+    peek({ timeout }?: TakeOptions): Promise<ObservableEvent<T>>;
+    // (undocumented)
+    take({ timeout }?: TakeOptions): Promise<ObservableEvent<T>>;
+    // (undocumented)
+    takeComplete(options?: TakeOptions): Promise<void>;
+    // (undocumented)
+    takeError(options?: TakeOptions): Promise<any>;
+    // (undocumented)
+    takeNext(options?: TakeOptions): Promise<T>;
+    // (undocumented)
+    unsubscribe(): void;
+}
+
+// @public (undocumented)
+export interface PaginatedCaseData {
+    // Warning: (ae-forgotten-export) The symbol "Letter" needs to be exported by the entry point index.d.ts
+    //
+    // (undocumented)
+    letters: Letter[];
+}
+
+// @public (undocumented)
+export interface PaginatedCaseVariables {
+    // (undocumented)
+    limit?: number;
+    // (undocumented)
+    offset?: number;
+}
+
+// Warning: (ae-forgotten-export) The symbol "RendererableContainer" needs to be exported by the entry point index.d.ts
+// Warning: (ae-forgotten-export) The symbol "HydrateableContainer" needs to be exported by the entry point index.d.ts
+//
+// @public (undocumented)
+export function renderAsync<Q extends Queries = typeof queries, Container extends RendererableContainer | HydrateableContainer = HTMLElement, BaseElement extends RendererableContainer | HydrateableContainer = Container>(ui: React.ReactNode, options: RenderOptions<Q, Container, BaseElement>): Promise<RenderResult<Q, Container, BaseElement>>;
+
+// @public (undocumented)
+export function renderAsync(ui: React.ReactNode, options?: Omit<RenderOptions, "queries"> | undefined): Promise<RenderResult>;
+
+// @public (undocumented)
+type RendererableContainer = ReactDOMClient.Container;
+
+// @public (undocumented)
+type RendererableContainer_2 = ReactDOMClient.Container;
+
+// Warning: (ae-forgotten-export) The symbol "RendererableContainer_2" needs to be exported by the entry point index.d.ts
+// Warning: (ae-forgotten-export) The symbol "HydrateableContainer_2" needs to be exported by the entry point index.d.ts
+//
+// @public (undocumented)
+export function renderHookAsync<Result, Props, Q extends Queries = typeof queries, Container extends RendererableContainer_2 | HydrateableContainer_2 = HTMLElement, BaseElement extends RendererableContainer_2 | HydrateableContainer_2 = Container>(renderCallback: (initialProps: Props) => Result, options?: RenderHookOptions<Props, Q, Container, BaseElement> | undefined): Promise<RenderHookResult<Result, Props>>;
+
+// @public
+export function resetApolloContext(): void;
+
+// @public (undocumented)
+export function setupMaskedVariablesCase(): {
+    mocks: MockedResponse<MaskedVariablesCaseData, Record<string, any>>[];
+    query: MaskedDocumentNode<MaskedVariablesCaseData, VariablesCaseVariables>;
+    unmaskedQuery: TypedDocumentNode<MaskedVariablesCaseData, VariablesCaseVariables>;
+};
+
+// @public (undocumented)
+export function setupPaginatedCase(): {
+    query: TypedDocumentNode<PaginatedCaseData, PaginatedCaseVariables>;
+    link: ApolloLink;
+    data: {
+        __typename: string;
+        letter: string;
+        position: number;
+    }[];
+};
+
+// @public (undocumented)
+export function setupSimpleCase(): {
+    query: TypedDocumentNode<SimpleCaseData, Record<string, never>>;
+    mocks: MockedResponse<SimpleCaseData, Record<string, any>>[];
+};
+
+// @public (undocumented)
+export function setupVariablesCase(): {
+    mocks: MockedResponse<VariablesCaseData, Record<string, any>>[];
+    query: TypedDocumentNode<VariablesCaseData, VariablesCaseVariables>;
+};
+
+// @public (undocumented)
+export interface SimpleCaseData {
+    // (undocumented)
+    greeting: string;
+}
+
+// Warning: (ae-forgotten-export) The symbol "ConsoleMethod" needs to be exported by the entry point index.d.ts
+//
+// @public (undocumented)
+type Spies<Keys extends ConsoleMethod[]> = Record<Keys[number], jest.SpyInstance<void, any[], any>>;
+
+// Warning: (ae-forgotten-export) The symbol "Spies" needs to be exported by the entry point index.d.ts
+//
+// @public (undocumented)
+export function spyOnConsole<Keys extends ConsoleMethod[]>(...spyOn: Keys): Spies<Keys> & Disposable;
+
+// @public (undocumented)
+export namespace spyOnConsole {
+    var // (undocumented)
+    takeSnapshots: <Keys extends ConsoleMethod[]>(...spyOn: Keys) => Spies<Keys> & Disposable;
+}
+
+// @public (undocumented)
+interface TakeOptions {
+    // (undocumented)
+    timeout?: number;
+}
+
+// @public (undocumented)
+export interface VariablesCaseData {
+    // (undocumented)
+    character: {
+        __typename: "Character";
+        id: string;
+        name: string;
+    };
+}
+
+// @public (undocumented)
+export interface VariablesCaseVariables {
+    // (undocumented)
+    id: string;
+}
+
+// @internal (undocumented)
+export function withCleanup<T extends object>(item: T, cleanup: (item: T) => void): T & Disposable;
+
+// @public (undocumented)
+export function withProdMode(): {
+    prevDEV: boolean;
+} & Disposable;
+
+// Warnings were encountered during analysis:
+//
+// src/testing/internal/scenarios/index.ts:80:7 - (ae-forgotten-export) The symbol "MaskedVariablesCaseFragment" needs to be exported by the entry point index.d.ts
+
+// (No @packageDocumentation comment for this package)
+
+```

eslint-local-rules/import-from-export.ts

@@ -265,3 +265,60 @@ export const noInternalImportOfficialExport =
     },
     defaultOptions: [],
   });
+
+/**
+ * to be used in tests, so the test imports from the library instead of testing internals
+ * (where possible)
+ */
+export const noRelativeImports = ESLintUtils.RuleCreator.withoutDocs({
+  create(context, options) {
+    return {
+      ImportDeclaration(node) {
+        if (!node.source.value.startsWith("..")) {
+          // we're only interested in imports from parent folders outside of the test folder
+          return;
+        }
+        if (node.importKind === "type") {
+          // we're okay with internal types for now, although in most cases
+          // they should probably be exports if they are important enough
+          // that we need them for a test
+          return;
+        }
+        const resolvedTarget = resolve(
+          dirname(context.physicalFilename),
+          node.source.value
+        );
+        if (options[0].ignoreFrom.includes(resolvedTarget)) {
+          return;
+        }
+        context.report({
+          node: node.source,
+          messageId: "noRelativeImports",
+        });
+      },
+    };
+  },
+  meta: {
+    messages: {
+      noRelativeImports:
+        "Don't use relative imports in tests, import from official entry points instead.",
+    },
+    type: "problem",
+    schema: [
+      {
+        type: "object",
+        properties: {
+          ignoreFrom: {
+            type: "array",
+            items: { type: "string" },
+          },
+        },
+      },
+    ],
+  },
+  defaultOptions: [
+    {
+      ignoreFrom: [],
+    },
+  ],
+});

eslint-local-rules/index.mjs

@@ -4,6 +4,7 @@ import {
   importFromInsideOtherExport,
   noDuplicateExports,
   noInternalImportOfficialExport,
+  noRelativeImports,
 } from "./import-from-export.ts";
 import { rule as requireDisableActEnvironment } from "./require-disable-act-environment.ts";
 import { rule as requireUsingDisposable } from "./require-using-disposable.ts";
@@ -16,4 +17,5 @@ export default {
   "import-from-inside-other-export": importFromInsideOtherExport,
   "no-internal-import-official-export": noInternalImportOfficialExport,
   "no-duplicate-exports": noDuplicateExports,
+  "no-relative-imports": noRelativeImports,
 };