From ab8a189bbf433ac2fbc8138f2c71f0a533da39e7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bendeg=C3=BAz=20=C3=81cs?=
 <30595431+acsbendi@users.noreply.github.com>
Date: Mon, 10 Jun 2019 21:00:37 +0200
Subject: [PATCH] Fixed policy version's Document type for AWS managed policies
 (#2234)

* Added checking Document's type in AWS managed policy version response.

* Fixed policy version's Document type for AWS managed policies.
---
 moto/iam/models.py         | 2 +-
 tests/test_iam/test_iam.py | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/moto/iam/models.py b/moto/iam/models.py
index 650a535c..86eec73f 100644
--- a/moto/iam/models.py
+++ b/moto/iam/models.py
@@ -131,7 +131,7 @@ class AWSManagedPolicy(ManagedPolicy):
         return cls(name,
                    default_version_id=data.get('DefaultVersionId'),
                    path=data.get('Path'),
-                   document=data.get('Document'),
+                   document=json.dumps(data.get('Document')),
                    create_date=datetime.strptime(data.get('CreateDate'), "%Y-%m-%dT%H:%M:%S+00:00"),
                    update_date=datetime.strptime(data.get('UpdateDate'), "%Y-%m-%dT%H:%M:%S+00:00"))
 
diff --git a/tests/test_iam/test_iam.py b/tests/test_iam/test_iam.py
index 6cc3d026..3e1c5914 100644
--- a/tests/test_iam/test_iam.py
+++ b/tests/test_iam/test_iam.py
@@ -369,6 +369,7 @@ def test_get_aws_managed_policy_version():
         PolicyArn=managed_policy_arn,
         VersionId="v1")
     retrieved['PolicyVersion']['CreateDate'].replace(tzinfo=None).should.equal(managed_policy_version_create_date)
+    retrieved['PolicyVersion']['Document'].should.be.an(dict)
 
 
 @mock_iam
@@ -384,6 +385,7 @@ def test_get_aws_managed_policy_v4_version():
         PolicyArn=managed_policy_arn,
         VersionId="v4")
     retrieved['PolicyVersion']['CreateDate'].replace(tzinfo=None).should.equal(managed_policy_version_create_date)
+    retrieved['PolicyVersion']['Document'].should.be.an(dict)
 
 
 @mock_iam