下面web建站教程为大家介绍一下vuejs单元测试运行npm run unit报错解决方法
安装vue init webpack的时候看看是否安装了test插件，如果安装了可以在package.json看到scripts有jest的几个运行方法，在devDependencies可以找到版本号。
npm run unit运行
如果提示下面错误
npm ERR! code ELIFECYCLE npm ERR! errno 1 npm ERR! test@1.0.0 unit: `jest --config test/unit/jest.conf.js --coverage`
找到test/unit/jest.conf.js文件，看看是否一样
const path = require('path'); module.exports = { rootDir: path.resolve(__dirname, '../../'), moduleFileExtensions: [ 'js', 'json', 'vue', ], moduleNameMapper: { '^@/(.*)$': '/src/$1', }, transform: { '^.+\\.js$': ' /node_modules/babel-jest', '.*\\.(vue)$': ' /node_modules/vue-jest', }, testPathIgnorePatterns: [ ' /test/e2e', ], snapshotSerializers: [' /node_modules/jest-serializer-vue'], setupFiles: [' /test/unit/setup'], coverageDirectory: ' /test/unit/coverage', collectCoverageFrom: [ 'src/components/common/**/*.{js,vue}', //按项目需求修改路径 '!src/main.js', '!src/router/index.js', '!**/node_modules/**', ], verbose: true, testURL: 'http://localhost/', };
找到test/unit/setup.js
import Vue from 'vue' Vue.config.productionTip = false
再运行npm run unit，应该没问题了,页面的覆盖率出来了！
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vuejs获取指定日期的那一周的开始、结束日期（从
<script>
export default {
data() {
return {
weekFormat: ""
};
},
mounted() {
console.log(this.getWeekStartAndEnd("2021-5-25"));
},
methods: {
// 日期格式化
formatDate(date) {
var myyear = date.getFullYear();
var mymonth = date.getMonth() + 1;
var myweekday = date.getDate();
if (mymonth < 10) {
mymonth = "0" + mymonth;
}
if (myweekday < 10) {
myweekday = "0" + myweekday;
}
return mymonth + "." + myweekday;
},
// 获取指定日期的那一周的开始、结束日期
getWeekStartAndEnd(val) {
let now = "";
if (val) {
now = new Date(val); // 日期
} else {
now = new Date(); // 日期
}
let nowDayOfWeek = now.getDay(); // 本周的第几天
let nowDay = now.getDate(); // 当前日
let nowMonth = now.getMonth(); // 当前月
let nowYear = now.getYear(); // 当前年
let weekStart = this.getWeekStartDate(
nowYear,
nowMonth,
nowDay,
nowDayOfWeek
);
let weekEnd = this.getWeekEndDate(
nowYear,
nowMonth,
nowDay,
nowDayOfWeek
);
this.weekFormat = weekStart + "~" + weekEnd;
console.log("weekFormat", this.weekFormat);
},
// 获得某一周的开始日期
getWeekStartDate(nowYear, nowMonth, nowDay, nowDayOfWeek) {
let weekStartDate = new Date(nowYear, nowMonth, nowDay - nowDayOfWeek);
return this.formatDate(weekStartDate);
},
// 获得某一周的结束日期
getWeekEndDate(nowYear, nowMonth, nowDay, nowDayOfWeek) {
let weekEndDate = new Date(
nowYear,
nowMonth,
nowDay + (6 - nowDayOfWeek)
);
return this.formatDate(weekEndDate);
}
}
};
</script>
