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packages/nodes-base/nodes/Crypto/v1/test/Crypto.node.test.ts

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+import { NodeTestHarness } from '@nodes-testing/node-test-harness';
+import type fs from 'fs';
+import fsPromises, { type FileHandle } from 'fs/promises';
+import { Readable } from 'stream';
+
+describe('Test Crypto Node', () => {
+	jest.mock('fast-glob', () => async () => ['/test/binary.data']);
+	jest.mock('fs/promises');
+	fsPromises.access = async () => {};
+	fsPromises.stat = jest.fn(async (path: fs.PathLike) => {
+		if (path === '/test/binary.data') {
+			return {
+				isFile: () => true,
+				dev: 123456,
+				ino: 654321,
+			} as fs.Stats;
+		}
+		throw Object.assign(new Error('File not found'), { code: 'ENOENT' });
+	}) as unknown as typeof fsPromises.stat;
+	fsPromises.open = jest.fn(async (path: fs.PathLike) => {
+		if (path === '/test/binary.data') {
+			return {
+				close: async () => {},
+				// eslint-disable-next-line @typescript-eslint/require-await
+				stat: async () =>
+					({
+						isFile: () => true,
+						dev: 123456,
+						ino: 654321,
+					}) as fs.Stats,
+				createReadStream: () => {
+					const stream = Readable.from(Buffer.from('test')) as fs.ReadStream;
+					// Emit 'open' event asynchronously to match real fs.ReadStream behavior
+					setImmediate(() => stream.emit('open'));
+					return stream;
+				},
+			} as FileHandle;
+		}
+		throw Object.assign(new Error('File not found'), { code: 'ENOENT' });
+	}) as unknown as typeof fsPromises.open;
+	const realpathSpy = jest.spyOn(fsPromises, 'realpath');
+	realpathSpy.mockImplementation(async (path) => path as string);
+
+	new NodeTestHarness().setupTests();
+});