ks3/test/download.js

本代码库为`金山云存储KS3`服务.主要提供`KS3 nodejs SDK`和`命令行工具`.

var KS3 = require('..');
var should = require('should');
require('should-http');
var path = require('path');
var fs = require('fs');

var { ak, sk, bucketName, endpoint} = require('./config')

describe('download module', function() {

	var client = null
	var key = 'word.txt' // 6813

	var filePath = path.join(__dirname, './assets/'+key);
	var downFilePath = path.join(__dirname, './assets/test_download_'+key);

	client = new KS3({
		ak, sk, bucketName, endpoint
	});
	
	before(function () {
		console.log('start before func ...')
		
		return new Promise((resolve, reject) => {
			// upload a file
			client.object.put({
				filePath: filePath,
				Key: key
			},
			function(err, data, res, body) {
				if (err) {
					console.log('download module before error: ', err)
					reject(err)
				} else {
					resolve('')
					console.log('upload test file success')
				}
			});
		})
	})

	describe('download', function () {
		this.timeout(17500)
		var upFileStat = fs.statSync(filePath);
		let error = ''
		before (function () {
			return new Promise((resolve, reject) => {
				client.download.start({
					Bucket: bucketName,
					Key: key,
					filePath: downFilePath,
					chunk:31
				},
				function(err, data) {
					if (err) {
						error = err
						reject(err)
					}
					resolve()
				});
			})
		})

		it('should download a file', function(done) {
			var downFileStat = fs.statSync(downFilePath);
			(downFileStat.size).should.equal(upFileStat.size);
			should.equal(error, '');
			done()
		});
	
	
		it('should download a no exist file', function(done) {
			var key = 'file_no_exist.jpg';
			client.download.start({
				Key: key,
				filePath: path.join(__dirname, './assets/test_download_'+key)
			},function(err,data,res){
				should.exist(err);
				err.should.have.property('statusCode', 404);
				done()
			});
		})

	})
	
	after(function (done) {
		// delete local file
		fs.existsSync(downFilePath) && fs.unlinkSync(downFilePath)

		client.object.del({
			Key: key
		}, function (err, data, res) {
			if (err) {
				done(err)
			}
			should.not.exist(err)
			done()
		})
	})
});