hexo/node_modules/moize/__tests__/serialize.ts

107 lines
2.7 KiB
TypeScript

import cloneDeep from 'lodash/cloneDeep';
import moize from '../src';
type Arg = {
one: number;
two: number;
three: () => void;
four: symbol;
five: null;
};
const method = jest.fn(function ({ one, two, three, four, five }: Arg) {
return [one, two, three, four, five];
});
const memoized = moize.serialize(method);
describe('moize.serialize', () => {
afterEach(jest.clearAllMocks);
it('serializes the args passed by', () => {
const three = function () {};
const four = Symbol('foo');
const resultA = memoized({ one: 1, two: 2, three, four, five: null });
const resultB = memoized({
one: 1,
two: 2,
three() {},
four: Symbol('foo'),
five: null,
});
expect(resultA).toEqual([1, 2, three, four, null]);
expect(resultB).toBe(resultA);
expect(method).toHaveBeenCalledTimes(1);
});
it('handles circular objects', () => {
type Arg = {
deeply: {
nested: {
circular: Arg | {};
};
};
};
const circularMethod = jest.fn((arg: Arg) => arg);
const circularMemoized = moize.serialize(circularMethod);
const circular: Arg = {
deeply: {
nested: {
circular: {},
},
},
};
circular.deeply.nested.circular = circular;
const resultA = circularMemoized(cloneDeep(circular));
const resultB = circularMemoized(cloneDeep(circular));
expect(resultB).toBe(resultA);
expect(circularMethod).toHaveBeenCalledTimes(1);
expect(circularMemoized.cache.keys).toEqual([
['|{"deeply":{"nested":{"circular":"[ref=.]"}}}|'],
]);
});
});
describe('moize.serializeWith', () => {
afterEach(jest.clearAllMocks);
it('serializes the arguments passed with the custom serializer', () => {
const withSerializer = moize.serializeWith((args: any[]) => [
JSON.stringify(args),
])(method);
const three = function () {};
const four = Symbol('foo');
const resultA = withSerializer({
one: 1,
two: 2,
three,
four,
five: null,
});
const resultB = withSerializer({
one: 1,
two: 2,
three() {},
four: Symbol('foo'),
five: null,
});
expect(resultA).toEqual([1, 2, three, four, null]);
expect(resultB).toBe(resultA);
expect(method).toHaveBeenCalledTimes(1);
});
});