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vcrpy/tests/integration/test_boto3.py
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Python

import pytest
import os
boto3 = pytest.importorskip("boto3")
import boto3 # NOQA
import botocore # NOQA
import vcr # NOQA
try:
from botocore import awsrequest # NOQA
botocore_awsrequest = True
except ImportError:
botocore_awsrequest = False
# skip tests if boto does not use vendored requests anymore
# https://github.com/boto/botocore/pull/1495
boto3_skip_vendored_requests = pytest.mark.skipif(
botocore_awsrequest,
reason="botocore version {ver} does not use vendored requests anymore.".format(ver=botocore.__version__),
)
boto3_skip_awsrequest = pytest.mark.skipif(
not botocore_awsrequest,
reason="botocore version {ver} still uses vendored requests.".format(ver=botocore.__version__),
)
IAM_USER_NAME = "vcrpy"
@pytest.fixture
def iam_client():
def _iam_client(boto3_session=None):
if boto3_session is None:
boto3_session = boto3.Session(
aws_access_key_id=os.environ.get("AWS_ACCESS_KEY_ID", "default"),
aws_secret_access_key=os.environ.get("AWS_SECRET_ACCESS_KEY", "default"),
aws_session_token=None,
region_name=os.environ.get("AWS_DEFAULT_REGION", "default"),
)
return boto3_session.client("iam")
return _iam_client
@pytest.fixture
def get_user(iam_client):
def _get_user(client=None, user_name=IAM_USER_NAME):
if client is None:
# Default client set with fixture `iam_client`
client = iam_client()
return client.get_user(UserName=user_name)
return _get_user
@boto3_skip_vendored_requests
def test_boto_vendored_stubs(tmpdir):
with vcr.use_cassette(str(tmpdir.join("boto3-stubs.yml"))):
# Perform the imports within the patched context so that
# HTTPConnection, VerifiedHTTPSConnection refers to the patched version.
from botocore.vendored.requests.packages.urllib3.connectionpool import (
HTTPConnection,
VerifiedHTTPSConnection,
)
from vcr.stubs.boto3_stubs import VCRRequestsHTTPConnection, VCRRequestsHTTPSConnection
# Prove that the class was patched by the stub and that we can instantiate it.
assert issubclass(HTTPConnection, VCRRequestsHTTPConnection)
assert issubclass(VerifiedHTTPSConnection, VCRRequestsHTTPSConnection)
HTTPConnection("hostname.does.not.matter")
VerifiedHTTPSConnection("hostname.does.not.matter")
@pytest.mark.skipif(
os.environ.get("TRAVIS_PULL_REQUEST") != "false",
reason="Encrypted Environment Variables from Travis Repository Settings"
" are disabled on PRs from forks. "
"https://docs.travis-ci.com/user/pull-requests/#pull-requests-and-security-restrictions",
)
def test_boto_medium_difficulty(tmpdir, get_user):
with vcr.use_cassette(str(tmpdir.join("boto3-medium.yml"))):
response = get_user()
assert response["User"]["UserName"] == IAM_USER_NAME
with vcr.use_cassette(str(tmpdir.join("boto3-medium.yml"))) as cass:
response = get_user()
assert response["User"]["UserName"] == IAM_USER_NAME
assert cass.all_played
@pytest.mark.skipif(
os.environ.get("TRAVIS_PULL_REQUEST") != "false",
reason="Encrypted Environment Variables from Travis Repository Settings"
" are disabled on PRs from forks. "
"https://docs.travis-ci.com/user/pull-requests/#pull-requests-and-security-restrictions",
)
def test_boto_hardcore_mode(tmpdir, iam_client, get_user):
with vcr.use_cassette(str(tmpdir.join("boto3-hardcore.yml"))):
ses = boto3.Session(
aws_access_key_id=os.environ.get("AWS_ACCESS_KEY_ID"),
aws_secret_access_key=os.environ.get("AWS_SECRET_ACCESS_KEY"),
region_name=os.environ.get("AWS_DEFAULT_REGION"),
)
client = iam_client(ses)
response = get_user(client=client)
assert response["User"]["UserName"] == IAM_USER_NAME
with vcr.use_cassette(str(tmpdir.join("boto3-hardcore.yml"))) as cass:
ses = boto3.Session(
aws_access_key_id=os.environ.get("AWS_ACCESS_KEY_ID"),
aws_secret_access_key=os.environ.get("AWS_SECRET_ACCESS_KEY"),
aws_session_token=None,
region_name=os.environ.get("AWS_DEFAULT_REGION"),
)
client = iam_client(ses)
response = get_user(client=client)
assert response["User"]["UserName"] == IAM_USER_NAME
assert cass.all_played