124 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
			
		
		
	
	
			124 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
/*
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 * Copyright 2025 coze-dev Authors
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 *
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 *     http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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import { expect, it, vi } from 'vitest';
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import {
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  typeSafeJsonParse,
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  typeSafeJsonParseEnhanced,
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} from '../src/json-parse';
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it('simple, parse json', () => {
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  const items = [1, true, [], { a: 1 }];
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  const empty = () => undefined;
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  expect(typeSafeJsonParse(JSON.stringify(items[0]), empty)).toBe(1);
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  expect(typeSafeJsonParse(JSON.stringify(items[1]), empty)).toBe(true);
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  expect(typeSafeJsonParse(JSON.stringify(items[2]), empty)).toMatchObject(
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    items[2],
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  );
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  expect(typeSafeJsonParse(JSON.stringify(items[3]), empty)).toMatchObject(
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    items[3],
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  );
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});
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it('simple, trigger error', () => {
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  const onErr = vi.fn();
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  expect(typeSafeJsonParse('a', onErr)).toBeNull();
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  expect(onErr.mock.calls.length).toBe(1);
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});
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it('enhanced, parse json', () => {
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  const items = [1, true, [], { a: 1 }];
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  const getEmpty = () => ({
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    onVerifyError: () => undefined,
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    onParseError: () => undefined,
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    verifyStruct: (sth: unknown): sth is unknown => true,
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  });
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  expect(
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    typeSafeJsonParseEnhanced({
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      str: JSON.stringify(items[0]),
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      ...getEmpty(),
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    }),
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  ).toBe(1);
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  expect(
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    typeSafeJsonParseEnhanced({
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      str: JSON.stringify(items[1]),
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      ...getEmpty(),
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    }),
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  ).toBe(true);
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  expect(
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    typeSafeJsonParseEnhanced({
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      str: JSON.stringify(items[2]),
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      ...getEmpty(),
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    }),
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  ).toMatchObject(items[2]);
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  expect(
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    typeSafeJsonParseEnhanced({
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      str: JSON.stringify(items[3]),
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      ...getEmpty(),
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    }),
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  ).toMatchObject(items[3]);
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});
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it('enhanced, trigger parse error', () => {
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  const onParseError = vi.fn();
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  expect(
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    typeSafeJsonParseEnhanced({
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      str: 'ax',
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      onParseError,
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      onVerifyError: () => undefined,
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      verifyStruct: (sth): sth is unknown => true,
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    }),
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  ).toBeNull();
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  expect(onParseError.mock.calls.length).toBe(1);
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});
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it('enhanced, catch verify not pass error', () => {
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  const onVerifyError = vi.fn();
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  expect(
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    typeSafeJsonParseEnhanced({
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      str: 'ax',
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      onParseError: () => undefined,
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      onVerifyError,
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      verifyStruct: (sth): sth is unknown => false,
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    }),
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  ).toBeNull();
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  expect(onVerifyError.mock.calls.length).toBe(1);
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  expect(onVerifyError.mock.calls[0][0]).toMatchObject({
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    message: 'verify struct no pass',
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  });
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});
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it('enhanced, catch verify broken', () => {
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  const onVerifyError = vi.fn();
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  expect(
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    typeSafeJsonParseEnhanced({
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      str: 'ax',
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      onParseError: () => undefined,
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      onVerifyError,
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      verifyStruct: (sth): sth is unknown => {
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        const obj = Object(null);
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        return 'x' in obj.x;
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      },
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    }),
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  ).toBeNull();
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  expect(onVerifyError.mock.calls.length).toBe(1);
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  expect(onVerifyError.mock.calls[0][0]).toBeInstanceOf(TypeError);
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  expect(onVerifyError.mock.calls[0][0].message).toEqual(
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    expect.stringContaining("Cannot use 'in' operator"),
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  );
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});
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