Medplum

// SPDX-FileCopyrightText: Copyright Orangebot, Inc. and Medplum contributors // SPDX-License-Identifier: Apache-2.0 import { diff } from './diff'; describe('Diff', () => { test('diff insert', () => { const before = ['a', 'b']; const after = ['a', 'c', 'b']; const result = diff(before, after); expect(result.length).toStrictEqual(1); expect(result[0].type).toStrictEqual('insert'); expect(result[0].original).toMatchObject({ position: 1, lines: [], }); expect(result[0].revised).toMatchObject({ position: 1, lines: ['c'], }); }); test('diff append', () => { const before = ['a', 'b']; const after = ['a', 'b', 'c']; const result = diff(before, after); expect(result.length).toStrictEqual(1); expect(result[0].type).toStrictEqual('insert'); expect(result[0].original).toMatchObject({ position: 2, lines: [], }); expect(result[0].revised).toMatchObject({ position: 2, lines: ['c'], }); }); test('diff delete', () => { const before = ['a', 'b', 'c']; const after = ['a', 'b']; const result = diff(before, after); expect(result.length).toStrictEqual(1); expect(result[0].type).toStrictEqual('delete'); expect(result[0].original).toMatchObject({ position: 2, lines: ['c'], }); expect(result[0].revised).toMatchObject({ position: 2, lines: [], }); }); test('diff change', () => { const before = ['a', 'b', 'c']; const after = ['a', 'b', 'd']; const result = diff(before, after); expect(result.length).toStrictEqual(1); expect(result[0].type).toStrictEqual('change'); expect(result[0].original).toMatchObject({ position: 2, lines: ['c'], }); expect(result[0].revised).toMatchObject({ position: 2, lines: ['d'], }); }); });