Moto模拟 AWS 服务

Moto 是一个允许你轻松模拟出基于 AWS 基础设施的测试的库。

如果你有以下的 Python 代码想测试：

import boto3



class MyModel(object):

    def __init__(self, name, value):

        self.name = name

        self.value = value



    def save(self):

        s3 = boto3.client('s3', region_name='us-east-1')

        s3.put_object(Bucket='mybucket', Key=self.name, Body=self.value)

用 Moto 来测试：

import boto3

from moto import mock_s3

from mymodule import MyModel





@mock_s3

def test_my_model_save():

    conn = boto3.resource('s3', region_name='us-east-1')

    # We need to create the bucket since this is all in Moto's 'virtual' AWS account

    conn.create_bucket(Bucket='mybucket')



    model_instance = MyModel('steve', 'is awesome')

    model_instance.save()



    body = conn.Object('mybucket', 'steve').get()['Body'].read().decode("utf-8")



    assert body == 'is awesome'