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Description

Moto is a library that allows your tests to easily mock out AWS Services.

Programming language: Python
License: Apache License 2.0
Tags: Testing     Mock     AWS    
Latest version: v3.1.6

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README

Moto - Mock AWS Services

Join the chat at https://gitter.im/awsmoto/Lobby

Build Status Coverage Status Docs PyPI [PyPI - Python Version](#) PyPI - Downloads Code style: black

Install

$ pip install moto[ec2,s3,all]

In a nutshell

Moto is a library that allows your tests to easily mock out AWS Services.

Imagine you have the following python code that you want to test:

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)

Take a minute to think how you would have tested that in the past.

Now see how you could test it with Moto:

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'

With the decorator wrapping the test, all the calls to s3 are automatically mocked out. The mock keeps the state of the buckets and keys.

For a full list of which services and features are covered, please see our implementation coverage.

Documentation

The full documentation can be found here:

http://docs.getmoto.org/en/latest/