> ## Documentation Index
> Fetch the complete documentation index at: https://auth0.com/llms.txt
> Use this file to discover all available pages before exploring further.

# アクションのユニットテスト

> ユーザーのロールをカスタムIDトークンclaimとして設定し、ロールがない場合はアクセスを拒否するPost Loginアクションのユニットテストを、JavaScriptとTypeScriptでJest、Mocha、Node.js Test Runnerを使って作成します。

<h2 id="project">
  プロジェクト
</h2>

各サンプルでは、アクションのソースコードを `src/` 配下、ユニットテストを `test/` 配下に分けており、JavaScript プロジェクトと TypeScript プロジェクトのいずれも同じ構成になっています。

<Tabs>
  <Tab title="JavaScript">
    <Tree>
      <Tree.Folder name="/" defaultOpen>
        <Tree.Folder name="src" />

        <Tree.Folder name="test" />
      </Tree.Folder>
    </Tree>
  </Tab>

  <Tab title="TypeScript">
    <Tree>
      <Tree.Folder name="/" defaultOpen>
        <Tree.Folder name="src" />

        <Tree.Folder name="test">
          <Tree.Folder name="test-utils" />
        </Tree.Folder>
      </Tree.Folder>
    </Tree>
  </Tab>
</Tabs>

<h2 id="action">
  アクション
</h2>

次の Post Login アクションは、`event.authorization` からユーザーのロールを取得し、IDトークンのカスタム claim として設定します。ロールが存在しない場合はアクセスを拒否します。

<Tabs>
  <Tab title="JavaScript">
    ```js title="test-an-action.js" theme={null}
    /** @import {Event, PostLoginAPI} from "@auth0/actions/post-login/v3" */

    const CUSTOM_CLAIM_NAMESPACE = 'https://example.com';

    /**
    * PostLogin フローの実行中に呼び出される Handler です。
    *
    * @param {Event} event - ユーザーと、そのユーザーが login を行うコンテキストに関する詳細情報。
    * @param {PostLoginAPI} api - login の動作を変更するメソッドを提供するインターフェイス。
    */
    exports.onExecutePostLogin = async (event, api) => {
      const roles = event.authorization?.roles;

      if (roles === undefined || roles.length === 0) {
        api.access.deny('Restricted');
        return;
      }

      api.idToken.setCustomClaim(`${CUSTOM_CLAIM_NAMESPACE}/roles`, roles);
    }
    ```
  </Tab>

  <Tab title="TypeScript">
    ```ts title="test-an-action.ts" theme={null}
    import type { PostLoginAPI, Event } from '@auth0/actions/post-login/v3';

    const CUSTOM_CLAIM_NAMESPACE = 'https://example.com';

    /**
    * PostLogin フローの実行中に呼び出されるハンドラーです。
    *
    * @param {Event} event - ログインするユーザーと、そのログインのコンテキストに関する詳細。
    * @param {PostLoginAPI} api - ログインの動作を変更するために使用できるメソッドを提供するインターフェース。
    */
    exports.onExecutePostLogin = async (event: Event, api: PostLoginAPI) => {
      const roles = event.authorization?.roles;

      if (roles === undefined || roles.length === 0) {
        api.access.deny('Restricted');
        return;
      }

      api.idToken.setCustomClaim(`${CUSTOM_CLAIM_NAMESPACE}/roles`, roles);
    };

    ```
  </Tab>
</Tabs>

<h2 id="unit-test">
  ユニットテスト
</h2>

ユニットテストでは `event` と `api` オブジェクトをモックし、管理者ユーザーにはカスタム claim が設定される一方、ロールを持たないユーザーや `authorization` オブジェクトがないユーザーはアクセスが拒否されることを検証します。

<AccordionGroup>
  <Accordion title="Jest">
    <Tabs>
      <Tab title="JavaScript">
        ```js title="test-an-action.spec.js" theme={null}
        const { getDefaultArguments, loadAction } = require('@auth0/actions/post-login/v3/test');
        const path = require('path');

        const DIRNAME = path.dirname('../');
        const ACTION_PATH = path.resolve(DIRNAME, './src/test-an-action.js');
        const CUSTOM_CLAIM_NAMESPACE = 'https://example.com';

        describe('onExecutePostLogin', () => {
          let loader;
          let event;
          let api;

          beforeEach(async () => {
            jest.resetAllMocks();
            loader = await loadAction(ACTION_PATH);
            [event, api] = getDefaultArguments();
            jest.spyOn(api.access, 'deny');
            jest.spyOn(api.idToken, 'setCustomClaim');
          });

          afterEach(() => {
            jest.resetAllMocks();
          });

          it('Admin user', async () => {
            event.authorization = { roles: ['admin'] };

            await loader.execute('onExecutePostLogin', event, api);

            expect(api.idToken.setCustomClaim).toHaveBeenCalledWith(
              `${CUSTOM_CLAIM_NAMESPACE}/roles`,
              ['admin']
            );
            expect(api.access.deny).not.toHaveBeenCalled();
          });

          it('Restricted User - No authorization', async () => {
            delete event.authorization;

            await loader.execute('onExecutePostLogin', event, api);

            expect(api.idToken.setCustomClaim).not.toHaveBeenCalled();
            expect(api.access.deny).toHaveBeenCalledWith('Restricted');
          });

          it('Restricted User - No roles', async () => {
            event.authorization = { roles: [] };

            await loader.execute('onExecutePostLogin', event, api);

            expect(api.idToken.setCustomClaim).not.toHaveBeenCalled();
            expect(api.access.deny).toHaveBeenCalledWith('Restricted');
          });
        });

        ```

        テスト用の依存関係を `package.json` に追加します。

        ```json title="package.json" theme={null}
        {
          "name": "actions-npm-example-js-jest",
          "version": "1.0.0",
          "description": "Auth0 Actions unit testing example using Jest",
          "license": "MIT",
          "author": "Auth0",
          "type": "commonjs",
          "main": "module-usage.js",
          "scripts": {
            "test": "jest"
          },
          "devDependencies": {
            "@auth0/actions": "^0.33.0",
            "jest": "^30.4.2"
          },
          "jest": {
            "testEnvironment": "node"
          }
        }

        ```

        `actions:` インポートエイリアスが `src/` に解決されるように `jsconfig.json` を設定します。

        ```json title="jsconfig.json" theme={null}
        {
          "compilerOptions": {
            "target": "ES2020",
            "module": "commonjs",
            "checkJs": false,
            "baseUrl": ".",
            "paths": {
              "actions:*": [
                "src/*"
              ]
            }
          },
          "include": [
            "src/**/*.js"
          ]
        }

        ```
      </Tab>

      <Tab title="TypeScript">
        ```ts title="test-an-action.test.ts" theme={null}
        const { getDefaultArguments, loadAction } = require('@auth0/actions/post-login/v3/test');
        const path = require('path');
        const { compileActionModules } = require('./test-utils/load-compiled-action');

        const DIRNAME = path.dirname('../');
        const ACTION_PATH = path.resolve(DIRNAME, './src/test-an-action.ts');
        const CUSTOM_CLAIM_NAMESPACE = 'https://example.com';

        describe('onExecutePostLogin', () => {
          let loader: any;
          let event: any;
          let api: any;

          beforeEach(async () => {
            jest.resetAllMocks();
            const { compiledActionPath } = compileActionModules(ACTION_PATH);
            loader = await loadAction(compiledActionPath);
            [event, api] = getDefaultArguments();
            jest.spyOn(api.access, 'deny');
            jest.spyOn(api.idToken, 'setCustomClaim');
          });

          afterEach(() => {
            jest.resetAllMocks();
          });

          it('Admin user', async () => {
            event.authorization = { roles: ['admin'] };

            await loader.execute('onExecutePostLogin', event, api);

            expect(api.idToken.setCustomClaim).toHaveBeenCalledWith(
              `${CUSTOM_CLAIM_NAMESPACE}/roles`,
              ['admin']
            );
            expect(api.access.deny).not.toHaveBeenCalled();
          });

          it('Restricted User - No authorization', async () => {
            delete event.authorization;

            await loader.execute('onExecutePostLogin', event, api);

            expect(api.idToken.setCustomClaim).not.toHaveBeenCalled();
            expect(api.access.deny).toHaveBeenCalledWith('Restricted');
          });

          it('Restricted User - No roles', async () => {
            event.authorization = { roles: [] };

            await loader.execute('onExecutePostLogin', event, api);

            expect(api.idToken.setCustomClaim).not.toHaveBeenCalled();
            expect(api.access.deny).toHaveBeenCalledWith('Restricted');
          });
        });

        ```

        次のテストヘルパーは、実行時に読み込めるように TypeScript のアクションを一時ファイルにコンパイルします。

        ```ts title="load-compiled-action.ts" theme={null}
        import * as fs from 'fs';
        import * as os from 'os';
        import * as path from 'path';
        import * as ts from 'typescript';

        export interface ModuleToCompile {
          name: string;
          filename: string;
        }

        function transpileToTemp(sourcePath: string): string {
          const source = fs.readFileSync(sourcePath, 'utf8');
          const { outputText } = ts.transpileModule(source, {
            compilerOptions: {
              module: ts.ModuleKind.CommonJS,
              target: ts.ScriptTarget.ES2020,
              esModuleInterop: true,
            },
          });

          const tempPath = path.join(
            os.tmpdir(),
            `${path.basename(sourcePath, path.extname(sourcePath))}-${process.pid}-${Date.now()}-${Math.random().toString(36).slice(2)}.js`,
          );
          fs.writeFileSync(tempPath, outputText);
          return tempPath;
        }

        /**
         * loadAction()（@auth0/actions/*\/test 提供）は対象ファイルをディスクから読み取り、
         * vm.compileFunction 経由で実行するため、ts-node や Vitest 自体の TS 変換を
         * 一切経由しません。したがって、アクションのソース（および actions: で登録された
         * モジュール）は、あらかじめディスク上でプレーンな JS にトランスパイルしておく必要があります。
         */
        export function compileActionModules(actionPath: string, modules: ModuleToCompile[] = []) {
          const compiledActionPath = transpileToTemp(actionPath);
          const compiledModules = modules.map((m) => ({
            name: m.name,
            filename: transpileToTemp(m.filename),
          }));

          return { compiledActionPath, compiledModules };
        }

        ```

        テスト用の依存関係を `package.json` に追加します。

        ```json title="package.json" theme={null}
        {
          "name": "actions-npm-example-ts-jest",
          "version": "1.0.0",
          "description": "Auth0 Actions unit testing example using Jest and TypeScript",
          "main": "example.ts",
          "scripts": {
            "test": "jest"
          },
          "author": "Auth0",
          "license": "MIT",
          "devDependencies": {
            "@auth0/actions": "^0.33.0",
            "@types/jest": "^29.5.12",
            "@types/node": "22.14.0",
            "jest": "^29.7.0",
            "ts-jest": "^29.1.2",
            "typescript": "^5.9.2"
          }
        }

        ```

        `jest.config.js` で TypeScript をコンパイルするように Jest を設定します。

        ```js title="jest.config.js" theme={null}
        module.exports = {
          preset: 'ts-jest',
          testEnvironment: 'node',
        };
        ```

        `actions:` インポートエイリアスが `src/` に解決されるように `tsconfig.json` を設定します。

        ```json title="tsconfig.json" theme={null}
        {
          "compilerOptions": {
            "target": "ES2020",
            "module": "NodeNext",
            "moduleResolution": "nodenext",
            "esModuleInterop": true,
            "allowSyntheticDefaultImports": true,
            "strict": true,
            "outDir": "dist",
            "declaration": true,
            "sourceMap": true,
            "allowJs": true,
            "checkJs": false,
            "resolveJsonModule": true,
            "skipLibCheck": true,
            "forceConsistentCasingInFileNames": true,
            "isolatedModules": true,
            "noEmit": true,
            "paths": {
              "actions:*": [
                "./src/*"
              ]
            }
          },
          "exclude": [
            "node_modules",
            "dist"
          ],
          "include": [
            "**/*.ts"
          ],
          "ts-node": {
            "transpileOnly": true
          }
        }

        ```
      </Tab>
    </Tabs>
  </Accordion>

  <Accordion title="Mocha">
    <Tabs>
      <Tab title="JavaScript">
        ```js title="test-an-action.spec.js" theme={null}
        const sinon = require('sinon');
        const { getDefaultArguments, loadAction } = require('@auth0/actions/post-login/v3/test');
        const path = require('path');

        const DIRNAME = path.dirname('../');
        const ACTION_PATH = path.resolve(DIRNAME, './src/test-an-action.js');
        const CUSTOM_CLAIM_NAMESPACE = 'https://example.com';

        describe('onExecutePostLogin', () => {
          let loader;
          let event;
          let api;

          beforeEach(async () => {
            loader = await loadAction(ACTION_PATH);
            [event, api] = getDefaultArguments();
            sinon.spy(api.access, 'deny');
            sinon.spy(api.idToken, 'setCustomClaim');
          });

          afterEach(() => {
            sinon.restore();
          });

          it('Admin user', async () => {
            event.authorization = { roles: ['admin'] };

            await loader.execute('onExecutePostLogin', event, api);

            sinon.assert.calledWith(
              api.idToken.setCustomClaim,
              `${CUSTOM_CLAIM_NAMESPACE}/roles`,
              ['admin']
            );
            sinon.assert.notCalled(api.access.deny);
          });

          it('Restricted User - No authorization', async () => {
            delete event.authorization;

            await loader.execute('onExecutePostLogin', event, api);

            sinon.assert.notCalled(api.idToken.setCustomClaim);
            sinon.assert.calledWith(api.access.deny, 'Restricted');
          });

          it('Restricted User - No roles', async () => {
            event.authorization = { roles: [] };

            await loader.execute('onExecutePostLogin', event, api);

            sinon.assert.notCalled(api.idToken.setCustomClaim);
            sinon.assert.calledWith(api.access.deny, 'Restricted');
          });
        });

        ```

        テスト用の依存関係を `package.json` に追加します。

        ```json title="package.json" theme={null}
        {
          "name": "actions-npm-example-js-mocha",
          "version": "1.0.0",
          "description": "Auth0 Actions unit testing example using Mocha",
          "license": "MIT",
          "author": "Auth0",
          "type": "commonjs",
          "main": "module-usage.js",
          "scripts": {
            "test": "mocha"
          },
          "devDependencies": {
            "@auth0/actions": "^0.33.0",
            "chai": "^4.5.0",
            "mocha": "^11.0.0",
            "sinon": "^19.0.0"
          }
        }

        ```

        `.mocharc.json` で Mocha を設定します。

        ```json title=".mocharc.json" theme={null}
        {
          "spec": "src/**/*.spec.js"
        }

        ```

        `actions:` インポートエイリアスが `src/` に解決されるように `jsconfig.json` を設定します。

        ```json title="jsconfig.json" theme={null}
        {
          "compilerOptions": {
            "target": "ES2020",
            "module": "commonjs",
            "checkJs": false,
            "baseUrl": ".",
            "paths": {
              "actions:*": [
                "src/*"
              ]
            }
          },
          "include": [
            "src/**/*.js"
          ]
        }

        ```
      </Tab>

      <Tab title="TypeScript">
        ```ts title="test-an-action.test.ts" theme={null}
        import * as path from 'path';
        import sinon from 'sinon';
        import { compileActionModules } from './test-utils/load-compiled-action';

        const { getDefaultArguments, loadAction } = require('@auth0/actions/post-login/v3/test');

        const DIRNAME = path.dirname('../');
        const ACTION_PATH = path.resolve(DIRNAME, './src/test-an-action.ts');
        const CUSTOM_CLAIM_NAMESPACE = 'https://example.com';

        describe('onExecutePostLogin', () => {
          let loader: any;
          let event: any;
          let api: any;

          beforeEach(async () => {
            const { compiledActionPath } = compileActionModules(ACTION_PATH);
            loader = await loadAction(compiledActionPath);
            [event, api] = getDefaultArguments();
            sinon.spy(api.access, 'deny');
            sinon.spy(api.idToken, 'setCustomClaim');
          });

          afterEach(() => {
            sinon.restore();
          });

          it('Admin user', async () => {
            event.authorization = { roles: ['admin'] };

            await loader.execute('onExecutePostLogin', event, api);

            sinon.assert.calledWith(
              api.idToken.setCustomClaim,
              `${CUSTOM_CLAIM_NAMESPACE}/roles`,
              ['admin']
            );
            sinon.assert.notCalled(api.access.deny);
          });

          it('Restricted User - No authorization', async () => {
            delete event.authorization;

            await loader.execute('onExecutePostLogin', event, api);

            sinon.assert.notCalled(api.idToken.setCustomClaim);
            sinon.assert.calledWith(api.access.deny, 'Restricted');
          });

          it('Restricted User - No roles', async () => {
            event.authorization = { roles: [] };

            await loader.execute('onExecutePostLogin', event, api);

            sinon.assert.notCalled(api.idToken.setCustomClaim);
            sinon.assert.calledWith(api.access.deny, 'Restricted');
          });
        });

        ```

        次のテストヘルパーは、実行時に読み込めるように TypeScript のアクションを一時ファイルにコンパイルします。

        ```ts title="load-compiled-action.ts" theme={null}
        import * as fs from 'fs';
        import * as os from 'os';
        import * as path from 'path';
        import * as ts from 'typescript';

        export interface ModuleToCompile {
          name: string;
          filename: string;
        }

        function transpileToTemp(sourcePath: string): string {
          const source = fs.readFileSync(sourcePath, 'utf8');
          const { outputText } = ts.transpileModule(source, {
            compilerOptions: {
              module: ts.ModuleKind.CommonJS,
              target: ts.ScriptTarget.ES2020,
              esModuleInterop: true,
            },
          });

          const tempPath = path.join(
            os.tmpdir(),
            `${path.basename(sourcePath, path.extname(sourcePath))}-${process.pid}-${Date.now()}-${Math.random().toString(36).slice(2)}.js`,
          );
          fs.writeFileSync(tempPath, outputText);
          return tempPath;
        }

        /**
         * loadAction()（@auth0/actions/*\/test 提供）は対象ファイルをディスクから読み取り、
         * vm.compileFunction で実行するため、ts-node や Vitest 自身の TS 変換を経由しません。
         * そのため、アクションのソース（および actions: で登録されたモジュール）は、
         * あらかじめディスク上でプレーンな JS にトランスパイルしておく必要があります。
         */
        export function compileActionModules(actionPath: string, modules: ModuleToCompile[] = []) {
          const compiledActionPath = transpileToTemp(actionPath);
          const compiledModules = modules.map((m) => ({
            name: m.name,
            filename: transpileToTemp(m.filename),
          }));

          return { compiledActionPath, compiledModules };
        }

        ```

        テスト用の依存関係を `package.json` に追加します。

        ```json title="package.json" theme={null}
        {
          "name": "actions-npm-example-ts-mocha",
          "version": "1.0.0",
          "description": "Auth0 Actions unit testing example using Mocha and TypeScript",
          "license": "MIT",
          "author": "Auth0",
          "scripts": {
            "test": "NODE_OPTIONS=--no-experimental-strip-types mocha"
          },
          "devDependencies": {
            "@auth0/actions": "^0.33.0",
            "@types/chai": "^4.3.16",
            "@types/mocha": "^10.0.6",
            "@types/node": "22.14.0",
            "@types/sinon": "^17.0.3",
            "chai": "^4.5.0",
            "mocha": "^11.0.0",
            "sinon": "^19.0.0",
            "ts-node": "^10.9.2",
            "typescript": "^5.9.2"
          }
        }

        ```

        `.mocharc.json` で Mocha を設定します。

        ```json title=".mocharc.json" theme={null}
        {
          "require": "ts-node/register",
          "extension": ["ts"],
          "spec": "src/**/*.test.ts"
        }

        ```

        `actions:` インポートエイリアスが `src/` に解決されるように `tsconfig.json` を設定します。

        ```json title="tsconfig.json" theme={null}
        {
          "compilerOptions": {
            "target": "ES2020",
            "module": "NodeNext",
            "moduleResolution": "nodenext",
            "esModuleInterop": true,
            "allowSyntheticDefaultImports": true,
            "strict": true,
            "outDir": "dist",
            "declaration": true,
            "sourceMap": true,
            "allowJs": true,
            "checkJs": false,
            "resolveJsonModule": true,
            "skipLibCheck": true,
            "forceConsistentCasingInFileNames": true,
            "isolatedModules": true,
            "noEmit": true,
            "paths": {
              "actions:*": [
                "./src/*"
              ]
            }
          },
          "exclude": [
            "node_modules",
            "dist"
          ],
          "include": [
            "**/*.ts"
          ],
          "ts-node": {
            "transpileOnly": true
          }
        }

        ```
      </Tab>
    </Tabs>
  </Accordion>

  <Accordion title="Node.js Test Runner">
    <Tabs>
      <Tab title="JavaScript">
        ```js title="test-an-action.spec.js" theme={null}
        const assert = require('node:assert');
        const { describe, it, beforeEach, afterEach, mock } = require('node:test');
        const { getDefaultArguments, loadAction } = require('@auth0/actions/post-login/v3/test');
        const path = require('path');

        const DIRNAME = path.dirname('../');
        const ACTION_PATH = path.resolve(DIRNAME, './src/test-an-action.js');
        const CUSTOM_CLAIM_NAMESPACE = 'https://example.com';

        describe('onExecutePostLogin', () => {
          let loader;
          let event;
          let api;

          beforeEach(async () => {
            loader = await loadAction(ACTION_PATH);
            [event, api] = getDefaultArguments();
            mock.method(api.access, 'deny');
            mock.method(api.idToken, 'setCustomClaim');
          });

          afterEach(() => {
            mock.reset();
          });

          it('Admin user', async () => {
            event.authorization = { roles: ['admin'] };

            await loader.execute('onExecutePostLogin', event, api);

            assert.deepEqual(api.idToken.setCustomClaim.mock.calls[0].arguments, [
              `${CUSTOM_CLAIM_NAMESPACE}/roles`,
              ['admin'],
            ]);
            assert.strictEqual(api.access.deny.mock.calls.length, 0);
          });

          it('Restricted User - No authorization', async () => {
            delete event.authorization;

            await loader.execute('onExecutePostLogin', event, api);

            assert.strictEqual(api.idToken.setCustomClaim.mock.calls.length, 0);
            assert.deepEqual(api.access.deny.mock.calls[0].arguments, ['Restricted']);
          });

          it('Restricted User - No roles', async () => {
            event.authorization = { roles: [] };

            await loader.execute('onExecutePostLogin', event, api);

            assert.strictEqual(api.idToken.setCustomClaim.mock.calls.length, 0);
            assert.deepEqual(api.access.deny.mock.calls[0].arguments, ['Restricted']);
          });
        });

        ```

        テスト用の依存関係を `package.json` に追加します。

        ```json title="package.json" theme={null}
        {
          "name": "actions-npm-example-js-node-test",
          "version": "1.0.0",
          "description": "Auth0 Actions unit testing example using the Node.js built-in test runner",
          "license": "MIT",
          "author": "Auth0",
          "type": "commonjs",
          "main": "module-usage.js",
          "scripts": {
            "test": "node --test src/*.spec.js"
          },
          "devDependencies": {
            "@auth0/actions": "^0.33.0"
          }
        }

        ```

        `actions:` インポートエイリアスが `src/` に解決されるように `jsconfig.json` を設定します。

        ```json title="jsconfig.json" theme={null}
        {
          "compilerOptions": {
            "target": "ES2020",
            "module": "commonjs",
            "checkJs": false,
            "baseUrl": ".",
            "paths": {
              "actions:*": [
                "src/*"
              ]
            }
          },
          "include": [
            "src/**/*.js"
          ]
        }

        ```
      </Tab>

      <Tab title="TypeScript">
        ```ts title="test-an-action.test.ts" theme={null}
        const assert = require('node:assert');
        const { describe, it, beforeEach, afterEach, mock } = require('node:test');
        const { getDefaultArguments, loadAction } = require('@auth0/actions/post-login/v3/test');
        const path = require('path');
        const { compileActionModules } = require('./test-utils/load-compiled-action.ts');

        const DIRNAME = path.dirname('../');
        const ACTION_PATH = path.resolve(DIRNAME, './src/test-an-action.ts');
        const CUSTOM_CLAIM_NAMESPACE = 'https://example.com';

        describe('onExecutePostLogin', () => {
          let loader;
          let event;
          let api;

          beforeEach(async () => {
            const { compiledActionPath } = compileActionModules(ACTION_PATH);
            loader = await loadAction(compiledActionPath);
            [event, api] = getDefaultArguments();
            mock.method(api.access, 'deny');
            mock.method(api.idToken, 'setCustomClaim');
          });

          afterEach(() => {
            mock.reset();
          });

          it('Admin user', async () => {
            event.authorization = { roles: ['admin'] };

            await loader.execute('onExecutePostLogin', event, api);

            assert.deepEqual(api.idToken.setCustomClaim.mock.calls[0].arguments, [
              `${CUSTOM_CLAIM_NAMESPACE}/roles`,
              ['admin'],
            ]);
            assert.strictEqual(api.access.deny.mock.calls.length, 0);
          });

          it('Restricted User - No authorization', async () => {
            delete event.authorization;

            await loader.execute('onExecutePostLogin', event, api);

            assert.strictEqual(api.idToken.setCustomClaim.mock.calls.length, 0);
            assert.deepEqual(api.access.deny.mock.calls[0].arguments, ['Restricted']);
          });

          it('Restricted User - No roles', async () => {
            event.authorization = { roles: [] };

            await loader.execute('onExecutePostLogin', event, api);

            assert.strictEqual(api.idToken.setCustomClaim.mock.calls.length, 0);
            assert.deepEqual(api.access.deny.mock.calls[0].arguments, ['Restricted']);
          });
        });

        ```

        次のテストヘルパーは、実行時に読み込めるように TypeScript のアクションを一時ファイルにコンパイルします。

        ```ts title="load-compiled-action.ts" theme={null}
        const fs = require('fs');
        const os = require('os');
        const path = require('path');
        const ts = require('typescript');

        interface ModuleToCompile {
          name: string;
          filename: string;
        }

        function transpileToTemp(sourcePath: string): string {
          const source = fs.readFileSync(sourcePath, 'utf8');
          const { outputText } = ts.transpileModule(source, {
            compilerOptions: {
              module: ts.ModuleKind.CommonJS,
              target: ts.ScriptTarget.ES2020,
              esModuleInterop: true,
            },
          });

          const tempPath = path.join(
            os.tmpdir(),
            `${path.basename(sourcePath, path.extname(sourcePath))}-${process.pid}-${Date.now()}-${Math.random().toString(36).slice(2)}.js`,
          );
          fs.writeFileSync(tempPath, outputText);
          return tempPath;
        }

        /**
         * loadAction()（@auth0/actions/*\/test のもの）は対象ファイルをディスクから読み取り、
         * vm.compileFunction で実行するため、node ネイティブの TS 型除去を経由することはありません。
         * そのため、アクションのソース（および actions: で登録されたモジュール）は、
         * あらかじめディスク上でプレーンな JS にトランスパイルしておく必要があります。
         */
        exports.compileActionModules = function compileActionModules(actionPath: string, modules: ModuleToCompile[] = []) {
          const compiledActionPath = transpileToTemp(actionPath);
          const compiledModules = modules.map((m: ModuleToCompile) => ({
            name: m.name,
            filename: transpileToTemp(m.filename),
          }));

          return { compiledActionPath, compiledModules };
        };

        ```

        テスト用の依存関係を `package.json` に追加します。

        ```json title="package.json" theme={null}
        {
          "name": "actions-npm-example-ts-node-test",
          "version": "1.0.0",
          "description": "Auth0 Actions unit testing example using the Node.js built-in test runner and TypeScript",
          "license": "MIT",
          "author": "Auth0",
          "scripts": {
            "test": "node --test src/*.test.ts"
          },
          "devDependencies": {
            "@auth0/actions": "^0.33.0",
            "@types/node": "22.14.0",
            "typescript": "^5.9.2"
          }
        }

        ```

        `actions:` インポートエイリアスが `src/` に解決されるように `tsconfig.json` を設定します。

        ```json title="tsconfig.json" theme={null}
        {
          "compilerOptions": {
            "target": "ES2020",
            "module": "NodeNext",
            "moduleResolution": "nodenext",
            "esModuleInterop": true,
            "allowSyntheticDefaultImports": true,
            "strict": true,
            "outDir": "dist",
            "declaration": true,
            "sourceMap": true,
            "allowJs": true,
            "checkJs": false,
            "resolveJsonModule": true,
            "skipLibCheck": true,
            "forceConsistentCasingInFileNames": true,
            "isolatedModules": true,
            "noEmit": true,
            "paths": {
              "actions:*": [
                "./src/*"
              ]
            }
          },
          "exclude": [
            "node_modules",
            "dist"
          ],
          "include": [
            "**/*.ts"
          ],
          "ts-node": {
            "transpileOnly": true
          }
        }

        ```
      </Tab>
    </Tabs>
  </Accordion>
</AccordionGroup>