url-search-params
模拟实现浏览器的
URLSearchParamsAPIurlSearchParams.test.ts
import { URLSearchParams } from "../../utility/algorithm/url-search-params";
// ? URLSearchParams
describe('URLSearchParams tests', () => {
test('URLSearchParams.handleAppend should add the new value to the tail of the `params` and update the url', () => {
// !!! https://ddzy.github.io/login?name=ddzy&age=21&isSelf=true
const received = [
{
key: 'skill',
value: 'programmer',
},
];
const expected = [
{
url: 'https://ddzy.github.io/login?name=ddzy&age=21&isSelf=true&skill=programmer',
params: {
name: 'ddzy',
age: '21',
isSelf: 'true',
skill: 'programmer',
},
},
];
const usp = new URLSearchParams({});
for (const [i, v] of received.entries()) {
const __this__ = usp.handleAppend(v.key, v.value);
const { url, params } = usp.state;
// ? check this
expect(__this__ instanceof URLSearchParams).toBeTruthy();
// ? check url
expect(url).toBe(expected[i].url);
// ? check params
expect(params).toEqual(expected[i].params);
}
});
test('URLSearchParams.handleDelete should remove the special `key` from url and params', () => {
const received = [
'age',
];
const expected = [
{
url: 'https://ddzy.github.io/login?name=ddzy&isSelf=true',
params: {
name: 'ddzy',
isSelf: 'true',
},
},
];
const usp = new URLSearchParams({});
for (const [i, v] of received.entries()) {
const __this__ = usp.handleDelete(v);
const { url, params } = usp.state;
// ? check this
expect(__this__ instanceof URLSearchParams).toBeTruthy();
// ? check url
expect(url).toBe(expected[i].url);
// ? check params
expect(params).toEqual(expected[i].params);
}
});
test('URLSearchParams.handleGet should received the `key` and return the value of this key', () => {
const received = [
'',
'skill',
'name',
'age',
];
const expected = [
null,
null,
'ddzy',
'21',
];
const usp = new URLSearchParams({});
for (const [i, v] of received.entries()) {
const result = usp.handleGet(v);
expect(result).toBe(expected[i]);
}
});
test('URLSearchParams.handleGetAll should return all of the params liked `[["name", "ddzy"], ...]`', () => {
const expected = [
['name', 'ddzy'],
['age', '21'],
['isSelf', 'true'],
];
const usp = new URLSearchParams({});
const result = usp.handleGetAll();
for (const [i, v] of result.entries()) {
expect(v[0]).toBe(expected[i][0]);
expect(v[1]).toBe(expected[i][1]);
}
});
test('URLSearchParams.handleHas should return `true` if the params has its own property that received', () => {
const received = [
'',
'skill',
'name',
'age',
];
const expected = [
false,
false,
true,
true,
];
const usp = new URLSearchParams({});
for (const [i, v] of received.entries()) {
const result = usp.handleHas(v);
expect(result).toBe(expected[i]);
}
});
test('URLSearchParams.handleSet should set all of the new value to the key which was received', () => {
const received = [
{
key: 'name',
value: 'duanzhaoyang',
},
{
key: 'age',
value: 50,
},
];
const expected = [
{
url: 'https://ddzy.github.io/login?name=duanzhaoyang&age=21&isSelf=true',
params: {
name: 'duanzhaoyang',
age: '21',
isSelf: 'true',
},
},
{
url: 'https://ddzy.github.io/login?name=duanzhaoyang&age=50&isSelf=true',
params: {
name: 'duanzhaoyang',
age: '50',
isSelf: 'true',
},
},
];
const usp = new URLSearchParams({});
for (const [i, v] of received.entries()) {
const __this__ = usp.handleSet(v.key, v.value);
const { url, params } = usp.state;
// ? check this
expect(__this__ instanceof URLSearchParams).toBeTruthy();
// ? check url
expect(url).toBe(expected[i].url);
// ? check params
expect(params).toEqual(expected[i].params);
}
});
test('URLSearchParams.handleKeys should return the `keys-collection` of the params', () => {
const expected = [
'name',
'age',
'isSelf',
];
const usp = new URLSearchParams({});
const result = usp.handleKeys();
for (const [i, v] of expected.entries()) {
expect(v).toBe(result[i]);
}
});
test('URLSearchParams.handleValues should return the `values-collection` of the params', () => {
const expected = [
'ddzy',
'21',
'true',
];
const usp = new URLSearchParams({});
const result = usp.handleValues();
for (const [i, v] of expected.entries()) {
expect(v).toBe(result[i]);
}
});
test('URLSearchParams.iterator should being called by the `iterator`', () => {
const expected = [
['name', 'ddzy'],
['age', '21'],
['isSelf', 'true'],
];
const usp = new URLSearchParams({});
let count = 0;
for (const [key, value] of (usp.state.params as any)) {
expect(key).toBe(expected[count][0]);
expect(value).toBe(expected[count][1]);
count++;
}
});
});
Name | Type | Description |
handleAppend | function | 追加新的键值对 |
handleDelete | function | 移除某个键值对 |
handleGet | function | 获取指定的参数键值 |
handleGetAll | function | 获取所有的参数值 |
handleHas | function | 判断是否存在指定键名 |
handleSet | function | 更新源 url 中的对应键值(但是 params 中的值是不变的) |
handleKeys | function | 获取键名数组 |
handleValues | function | 获取键值数组 |
最近更新 3yr ago