Get standalone server mode working for all tests.

This commit is contained in:
Steve Pulec 2017-02-23 19:43:48 -05:00
commit 81836b6981
78 changed files with 957 additions and 783 deletions

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# Moto - Mock Boto
# Moto - Mock AWS Services
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# In a nutshell
Moto is a library that allows your python tests to easily mock out the boto library.
Moto is a library that allows your tests to easily mock out AWS Services.
Imagine you have the following code that you want to test:
Imagine you have the following python code that you want to test:
```python
import boto
from boto.s3.key import Key
import boto3
class MyModel(object):
def __init__(self, name, value):
@ -19,11 +18,9 @@ class MyModel(object):
self.value = value
def save(self):
conn = boto.connect_s3()
bucket = conn.get_bucket('mybucket')
k = Key(bucket)
k.key = self.name
k.set_contents_from_string(self.value)
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.
@ -31,25 +28,28 @@ Take a minute to think how you would have tested that in the past.
Now see how you could test it with Moto:
```python
import boto
import boto3
from moto import mock_s3
from mymodule import MyModel
@mock_s3
def test_my_model_save():
conn = boto.connect_s3()
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('mybucket')
conn.create_bucket(Bucket='mybucket')
model_instance = MyModel('steve', 'is awesome')
model_instance.save()
assert conn.get_bucket('mybucket').get_key('steve').get_contents_as_string() == 'is awesome'
body = conn.Object('mybucket', 'steve').get()['Body'].read().decode("utf-8")
assert body == b'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.
It gets even better! Moto isn't just S3. Here's the status of the other AWS services implemented.
It gets even better! Moto isn't just for Python code and it isn't just for S3. Look at the [standalone server mode](https://github.com/spulec/moto#stand-alone-server-mode) for more information about running Moto with other languages. Here's the status of the other AWS services implemented:
```gherkin
|------------------------------------------------------------------------------|
@ -193,11 +193,6 @@ def test_my_model_save():
mock.stop()
```
## Use with other libraries (boto3) or languages
In general, Moto doesn't rely on anything specific to Boto. It only mocks AWS endpoints, so there should be no issue with boto3 or using other languages. Feel free to open an issue if something isn't working though. If you are using another language, you will need to either use the stand-alone server mode (more below) or monkey patch the HTTP calls yourself.
## Stand-alone Server Mode
Moto also has a stand-alone server mode. This allows you to utilize