-2
我对测试很陌生,对Sinon存根和嘲having有困难。 如何为后续的senario编写'quote.list_quote'测试。如何使用Mocha,Chai和Sinon测试node.js-mongodb应用程序?我对Sinon部分有困难
这里是路线文件:quotes.js
const express = require('express');
const request = require('request');
const async = require('async');
const validator = require('validator');
const quote_router = express.Router();
const confg = require("../../confg/confg");
const quote = require("../models/mquotes");
const quotes_model = quote.quotes;
// host name - needs to be set up using the environment variable
const hostname = confg.hostname;
// route for "quotes/"
quote_router.route("/")
// get route : display the random quote
.get((req, res) => {
// display random quote
async.waterfall([
(callback) => {callback(null, {res});},
quote.count_quotes
], check_quote_exist
);
})
// post route : create a new quote
.post((req, res) => {
const doc_json = {author : validator.escape(req.body.quote_author), quote_text : validator.escape(req.body.quote_text)};
const params = {res, doc_json, quote_action : quote.create_quote};
add_edit_quote(params);
})
// put route : edit the quote
.put((req, res) => {
const doc_json = {author : validator.escape(req.body.quote_author), quote_text : validator.escape(req.body.quote_text)};
const params = {res, doc_json, quote_action : quote.update_quote, qid : req.body.quote_id};
add_edit_quote(params);
})
// delete quote : delete the quote
.delete((req, res) => {
const qid = req.body.qid;
const condition = {_id : qid};
async.waterfall([
(callback) => {callback(null, {res, condition});},
quote.delete_quote
], request_quote_list
);
});
// route for "quotes/list" : display quotes list
quote_router.get("/list/", (req, res) => {
// mention the main operation
let operation;
if(req.body.operation != 'undefined') {
operation = req.body.operation;
} else {
operation = "list_quotes";
}
async.waterfall([
(callback) => {callback(null, {res, operation});},
quote.list_quote
], display_quotes_list
);
});
// display the quotes list
const display_quotes_list = (err, params, quotes_list) => {
if (err) {return console.log(err);}
const res = params.res;
const operation = params.operation;
const header_msg = "List of all the quotes";
let alert_msg;
if(operation == "list_quotes") {
alert_msg = null;
} else if(operation == "delete_quote") {
alert_msg = "Quote has been deleted";
}
const params_out = {
page: "quote_list",
title: 'Quotes Manager',
host: hostname,
header_msg,
alert_msg,
quotes_list
};
res.render('index', params_out);
};
// send http request for quote list page
const request_quote_list = (err, params) => {
if (err) {return console.log(err);}
const res = params.res;
const operation = "delete_quote";
request.get('http://' + hostname + '/quotes/list/', {json:{operation}},
(error, response, body) => {
if (!error && response.statusCode == 200) {
res.send(body);
}
});
};
module.exports = quote_router;
这是不完整的文件。我只包括它的一部分。
而且她是模型文件:mquotes.js
const mongoose = require('mongoose');
// Define quote schema
const quoteSchema = new mongoose.Schema({
author: String,
quote_text: {type: String, required: true}
},
{timestamps: true}
);
const quote = {};
// Define quotes model
quote.quotes = mongoose.model('quotes', quoteSchema);
// error handler
error_handler = (callback, err, params, return_value) => {
if(err) { return callback(err);}
else {callback(null, params, return_value);}
};
// add quote - create
quote.create_quote = (params, callback) => {
const res = params.res;
const doc_json = params.doc_json;
quote.quotes.create(doc_json, (err, quotes_detail) => {
error_handler(callback, err, {res, operation : 'create_quote'}, quotes_detail);
});
};
// count the number of quotes
quote.count_quotes = (params, callback) => {
quote.quotes.count({}, (err, quotes_count) => {
error_handler(callback, err, params, quotes_count);
});
};
// delete quote - delete - id
quote.delete_quote = (params, callback) => {
quote.quotes.remove(params.condition, (err, query) => {
error_handler(callback, err, params);
});
};
// list quote - find
quote.list_quote = (params, callback) => {
quote.quotes.find({}, (err, quotes_list) => {
error_handler(callback, err, params, quotes_list);
});
};
// find quote by id
quote.quote_by_id = (params, callback) => {
quote.quotes.findById(params.qid, (err, quotes_detail) => {
error_handler(callback, err, params, quotes_detail);
});
};
// returns the detail of random quote
quote.random_qoute = (params, callback) => {
const random_number = params.random_number;
// select one quote after skipping random_number of times
quote.quotes.findOne({}, (err, quotes_detail) => {
error_handler(callback, err, params, quotes_detail);
}).skip(random_number);
};
// update quote - update - id
quote.update_quote = (params, callback) => {
const options = {new: true};
const qid = params.qid;
const update_json = params.doc_json;
quote.quotes.findByIdAndUpdate(qid, {$set: update_json}, options, (err, quotes_detail) => {
params.operation = 'update_quote';
error_handler(callback, err, params, quotes_detail);
});
};
module.exports = quote;
我已经安装了全球摩卡。现在,我想测试模型。例如,让我们以quote.list_quote函数为例。
const mongoose = require('mongoose');
const chai = require('chai');
const sinon = require('sinon');
const expect = chai.expect; // use the "expect" style of Chai
const mquotes = require('./../../app/models/mquotes');
describe('Tests for quote models',() => {
describe("List quote",() => {
it('list_quote() should return list of quotes',() => {
});
});
});
谁能告诉我关于我的编码实践吗?我的意思是我使用功能和模块的方式。
非常感谢把精力用于解决方案。我真的很难与sinon。这将是一个很大的帮助。 – iiR