hae-uitest/lib/makeAssert.js

A UI Test Framework for Huawei HAE

//生成断言

var fs = require('fs');
var path = require('path');
var ejs = require('ejs');

module.exports = function(expect, message) {
    var assertTmplPath = path.normalize(__dirname + '/../templates/wts-assert.tpl');
    var assertTmpl = fs.readFileSync(assertTmplPath, 'utf8');
    var reg = /^!?([<>=\^\*\$]+|true$|false$)/g;
    var operators = expect.match(reg) || '';
    var arrType = ['true', 'false', '=', '<', '>', '<=', '>=', '^=', '*=', '$='];
    var expectContent = '';
    var expectOperators = ''
    var expectValue = '';
    var negated = '';

    if ('' !== expect && '' !== operators && 1 === operators.length) {
        for (var i = 0; i < arrType.length; i++) {
            if (operators[0] === arrType[i]) {
                expectOperators = arrType[i];
                break;
            } else if (operators[0] === '!' + arrType[i]) {
                expectOperators = '!' + arrType[i];
                break;
            }
        };

        if ('' === expectOperators) throw new Error('unexpected assertion expression.');

        expectValue = expect.replace(expectOperators, '');

        if ('!' === expectOperators.charAt(0)) {
            negated = '!';
            expectOperators = expectOperators.slice(1);
        }

        var data = {
            negated: negated,
            operators: expectOperators,
            expect: expectValue,
            message: message,
            filename: assertTmplPath
        };

        expectContent = ejs.render(assertTmpl, data);
    }

    return expectContent;
}