hae-uitest/lib/makeSteps.js

A UI Test Framework for Huawei HAE

//生成测试用例步骤

var fs = require('fs');
var path = require('path');
var ejs = require('ejs');
var merge = require('merge');
var makeAssert = require('./makeAssert');
var keys = require("./keys");

module.exports = function(arrStep, testData, config) {
	var arrStepContent = [];
	var cloneArrStep = [];

	for (var i = 0; i < arrStep.length; i++) {
		cloneArrStep[i] = merge(true, arrStep[i]);
	}

	for (var i = 0; i < cloneArrStep.length; i++) {
		var action = cloneArrStep[i].$.action;

		//action 名称只能为数字、字母和下划线
		var reg = /^\w+$/g;
		if (!reg.test(action)) {
			throw new Error('invalid action name.');
		}

		//查找此 action 对应的模板
		var defaultActionsTmplPath = path.normalize(__dirname + '/../templates/wts-action-' + action + '.tpl');
		var customActionsTmplPath = path.normalize(__dirname + '/../templates/custom/wts-action-' + action + '.tpl');
		var stepTmplPath = '';
		if (fs.existsSync(defaultActionsTmplPath)) {
			stepTmplPath = defaultActionsTmplPath;
		} else if (fs.existsSync(customActionsTmplPath)) {
			stepTmplPath = customActionsTmplPath;
		} else {
			throw new Error('not supported action: "' + action + '".');
		}
		
		var stepTmpl = fs.readFileSync(stepTmplPath, 'utf8');

		//用 testData[x] 替换 step 中的 {{x}}		
		var regData = /\{\{[^\}]+\}\}/g;
		var arrMatchData = cloneArrStep[i].$.data.match(regData);
		var arrMatchExpect = cloneArrStep[i].$.expect.match(regData);

		//data 属性中的 {{x}}
		if (cloneArrStep[i].$.data && arrMatchData) {
			for (var j = 0; j < arrMatchData.length; j++) {
				var dataName = arrMatchData[j].slice(2,-2);
				if (dataName in testData) {
					cloneArrStep[i].$.data = cloneArrStep[i].$.data.replace(arrMatchData[j], (testData[dataName] || ''));
				} else {
					throw new Error('parameter " + dataName + " does not exist.');
				}
				
			};
		}

		//expect 属性中的 {{x}}
		if (cloneArrStep[i].$.expect && arrMatchExpect) {
			for (var k = 0; k < arrMatchExpect.length; k++) {
				var dataName = arrMatchExpect[k].slice(2,-2);
				if (dataName in testData) {
					cloneArrStep[i].$.expect = cloneArrStep[i].$.expect.replace(arrMatchExpect[k], (testData[dataName] || ''));
				} else {
					throw new Error('parameter " + dataName + " does not exist.');
				}
			};
		}

		cloneArrStep[i].$.config = config;
		cloneArrStep[i].$.makeAssert = makeAssert;
		cloneArrStep[i].$.keys = keys;
		cloneArrStep[i].$.filename = stepTmplPath;
		arrStepContent.push(ejs.render(stepTmpl, cloneArrStep[i].$));
	};

	return arrStepContent.join('\n\n');
}