feat(Mistral AI Node): New node (#16631)

Co-authored-by: Michael Kret <michael.k@radency.com>

packages/nodes-base/nodes/MistralAI/test/GenericFunctions.test.ts

@@ -0,0 +1,67 @@
+import { encodeBinaryData, processResponseData } from '../GenericFunctions';
+
+describe('Mistral OCR Generic Functions', () => {
+	describe('encodeBinaryData', () => {
+		const binaryBuffer = Buffer.from('testdata');
+		const base64 = binaryBuffer.toString('base64');
+
+		const context = {
+			getNodeParameter: jest.fn(),
+			helpers: {
+				assertBinaryData: jest.fn(),
+				getBinaryDataBuffer: jest.fn(),
+			},
+		} as any;
+
+		beforeEach(() => {
+			jest.clearAllMocks();
+		});
+
+		it('should encode binary data to a data URL', async () => {
+			context.getNodeParameter.mockReturnValue('binaryProp1');
+			context.helpers.assertBinaryData.mockReturnValue({
+				mimeType: 'image/png',
+				fileName: 'file.png',
+			});
+			context.helpers.getBinaryDataBuffer.mockResolvedValue(binaryBuffer);
+
+			const result = await encodeBinaryData.call(context, 0);
+
+			expect(context.getNodeParameter).toHaveBeenCalledWith('binaryProperty', 0);
+			expect(context.helpers.assertBinaryData).toHaveBeenCalledWith(0, 'binaryProp1');
+			expect(context.helpers.getBinaryDataBuffer).toHaveBeenCalledWith(0, 'binaryProp1');
+
+			expect(result).toEqual({
+				dataUrl: `data:image/png;base64,${base64}`,
+				fileName: 'file.png',
+			});
+		});
+	});
+
+	describe('processResponseData', () => {
+		it('should extract text and page count from pages', () => {
+			const input = {
+				pages: [
+					{ markdown: 'Page 1 markdown', text: 'Page 1 text' },
+					{ markdown: 'Page 2 markdown', text: 'Page 2 text' },
+				],
+				otherProp: 'test',
+			};
+
+			const result = processResponseData(input);
+
+			expect(result.extractedText).toBe('Page 1 markdown\n\nPage 2 markdown');
+			expect(result.pageCount).toBe(2);
+			expect(result.otherProp).toBe('test');
+		});
+
+		it('should handle empty pages array', () => {
+			const input = { pages: [] };
+
+			const result = processResponseData(input);
+
+			expect(result.extractedText).toBe('');
+			expect(result.pageCount).toBe(0);
+		});
+	});
+});