442 lines
17 KiB
Python
442 lines
17 KiB
Python
import boto3
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import json
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import pytest
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from botocore.exceptions import ClientError
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from moto import mock_iot, mock_cognitoidentity
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@pytest.fixture(name="region_name")
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def fixture_region_name():
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return "ap-northeast-1"
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@pytest.fixture(name="iot_client")
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def fixture_iot_client(region_name):
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with mock_iot():
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yield boto3.client("iot", region_name=region_name)
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@pytest.fixture(name="policy")
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def fixture_policy(iot_client):
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return iot_client.create_policy(policyName="my-policy", policyDocument="{}")
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def test_attach_policy(iot_client, policy):
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policy_name = policy["policyName"]
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cert = iot_client.create_keys_and_certificate(setAsActive=True)
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cert_arn = cert["certificateArn"]
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iot_client.attach_policy(policyName=policy_name, target=cert_arn)
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res = iot_client.list_attached_policies(target=cert_arn)
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res.should.have.key("policies").which.should.have.length_of(1)
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res["policies"][0]["policyName"].should.equal("my-policy")
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res = iot_client.list_attached_policies(target=cert_arn)
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res.should.have.key("policies").which.should.have.length_of(1)
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res["policies"][0]["policyName"].should.equal("my-policy")
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@mock_cognitoidentity
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def test_attach_policy_to_identity(region_name, iot_client, policy):
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cognito_identity_client = boto3.client("cognito-identity", region_name=region_name)
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identity_pool_name = "test_identity_pool"
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identity_pool = cognito_identity_client.create_identity_pool(
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IdentityPoolName=identity_pool_name, AllowUnauthenticatedIdentities=True
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)
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identity = cognito_identity_client.get_id(
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AccountId="test", IdentityPoolId=identity_pool["IdentityPoolId"]
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)
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client = iot_client
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policy_name = policy["policyName"]
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client.attach_policy(policyName=policy_name, target=identity["IdentityId"])
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res = client.list_attached_policies(target=identity["IdentityId"])
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res.should.have.key("policies").which.should.have.length_of(1)
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res["policies"][0]["policyName"].should.equal(policy_name)
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def test_detach_policy(iot_client, policy):
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cert = iot_client.create_keys_and_certificate(setAsActive=True)
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cert_arn = cert["certificateArn"]
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policy_name = policy["policyName"]
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iot_client.attach_policy(policyName=policy_name, target=cert_arn)
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res = iot_client.list_attached_policies(target=cert_arn)
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res.should.have.key("policies").which.should.have.length_of(1)
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res["policies"][0]["policyName"].should.equal(policy_name)
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iot_client.detach_policy(policyName=policy_name, target=cert_arn)
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res = iot_client.list_attached_policies(target=cert_arn)
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res.should.have.key("policies").which.should.be.empty
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def test_list_attached_policies(iot_client):
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cert = iot_client.create_keys_and_certificate(setAsActive=True)
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policies = iot_client.list_attached_policies(target=cert["certificateArn"])
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policies["policies"].should.equal([])
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def test_policy_versions(iot_client):
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policy_name = "my-policy"
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doc = "{}"
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policy = iot_client.create_policy(policyName=policy_name, policyDocument=doc)
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policy.should.have.key("policyName").which.should.equal(policy_name)
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policy.should.have.key("policyArn").which.should_not.be.none
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policy.should.have.key("policyDocument").which.should.equal(json.dumps({}))
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policy.should.have.key("policyVersionId").which.should.equal("1")
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policy = iot_client.get_policy(policyName=policy_name)
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policy.should.have.key("policyName").which.should.equal(policy_name)
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policy.should.have.key("policyArn").which.should_not.be.none
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policy.should.have.key("policyDocument").which.should.equal(json.dumps({}))
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policy.should.have.key("defaultVersionId").which.should.equal(
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policy["defaultVersionId"]
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)
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policy1 = iot_client.create_policy_version(
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policyName=policy_name,
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policyDocument=json.dumps({"version": "version_1"}),
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setAsDefault=True,
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)
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policy1.should.have.key("policyArn").which.should_not.be.none
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policy1.should.have.key("policyDocument").which.should.equal(
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json.dumps({"version": "version_1"})
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)
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policy1.should.have.key("policyVersionId").which.should.equal("2")
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policy1.should.have.key("isDefaultVersion").which.should.equal(True)
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policy2 = iot_client.create_policy_version(
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policyName=policy_name,
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policyDocument=json.dumps({"version": "version_2"}),
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setAsDefault=False,
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)
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policy2.should.have.key("policyArn").which.should_not.be.none
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policy2.should.have.key("policyDocument").which.should.equal(
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json.dumps({"version": "version_2"})
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)
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policy2.should.have.key("policyVersionId").which.should.equal("3")
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policy2.should.have.key("isDefaultVersion").which.should.equal(False)
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policy = iot_client.get_policy(policyName=policy_name)
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policy.should.have.key("policyName").which.should.equal(policy_name)
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policy.should.have.key("policyArn").which.should_not.be.none
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policy.should.have.key("policyDocument").which.should.equal(
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json.dumps({"version": "version_1"})
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)
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policy.should.have.key("defaultVersionId").which.should.equal(
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policy1["policyVersionId"]
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)
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policy3 = iot_client.create_policy_version(
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policyName=policy_name,
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policyDocument=json.dumps({"version": "version_3"}),
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setAsDefault=False,
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)
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policy3.should.have.key("policyArn").which.should_not.be.none
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policy3.should.have.key("policyDocument").which.should.equal(
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json.dumps({"version": "version_3"})
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)
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policy3.should.have.key("policyVersionId").which.should.equal("4")
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policy3.should.have.key("isDefaultVersion").which.should.equal(False)
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policy4 = iot_client.create_policy_version(
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policyName=policy_name,
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policyDocument=json.dumps({"version": "version_4"}),
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setAsDefault=False,
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)
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policy4.should.have.key("policyArn").which.should_not.be.none
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policy4.should.have.key("policyDocument").which.should.equal(
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json.dumps({"version": "version_4"})
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)
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policy4.should.have.key("policyVersionId").which.should.equal("5")
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policy4.should.have.key("isDefaultVersion").which.should.equal(False)
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policy_versions = iot_client.list_policy_versions(policyName=policy_name)
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policy_versions.should.have.key("policyVersions").which.should.have.length_of(5)
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list(
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map(lambda item: item["isDefaultVersion"], policy_versions["policyVersions"])
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).count(True).should.equal(1)
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default_policy = list(
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filter(lambda item: item["isDefaultVersion"], policy_versions["policyVersions"])
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)
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default_policy[0].should.have.key("versionId").should.equal(
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policy1["policyVersionId"]
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)
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policy = iot_client.get_policy(policyName=policy_name)
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policy.should.have.key("policyName").which.should.equal(policy_name)
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policy.should.have.key("policyArn").which.should_not.be.none
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policy.should.have.key("policyDocument").which.should.equal(
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json.dumps({"version": "version_1"})
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)
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policy.should.have.key("defaultVersionId").which.should.equal(
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policy1["policyVersionId"]
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)
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iot_client.set_default_policy_version(
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policyName=policy_name, policyVersionId=policy4["policyVersionId"]
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)
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policy_versions = iot_client.list_policy_versions(policyName=policy_name)
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policy_versions.should.have.key("policyVersions").which.should.have.length_of(5)
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list(
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map(lambda item: item["isDefaultVersion"], policy_versions["policyVersions"])
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).count(True).should.equal(1)
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default_policy = list(
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filter(lambda item: item["isDefaultVersion"], policy_versions["policyVersions"])
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)
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default_policy[0].should.have.key("versionId").should.equal(
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policy4["policyVersionId"]
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)
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policy = iot_client.get_policy(policyName=policy_name)
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policy.should.have.key("policyName").which.should.equal(policy_name)
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policy.should.have.key("policyArn").which.should_not.be.none
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policy.should.have.key("policyDocument").which.should.equal(
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json.dumps({"version": "version_4"})
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)
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policy.should.have.key("defaultVersionId").which.should.equal(
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policy4["policyVersionId"]
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)
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with pytest.raises(ClientError) as exc:
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iot_client.create_policy_version(
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policyName=policy_name,
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policyDocument=json.dumps({"version": "version_5"}),
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setAsDefault=False,
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)
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err = exc.value.response["Error"]
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err["Message"].should.equal(
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f"The policy {policy_name} already has the maximum number of versions (5)"
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)
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iot_client.delete_policy_version(policyName=policy_name, policyVersionId="1")
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policy_versions = iot_client.list_policy_versions(policyName=policy_name)
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policy_versions.should.have.key("policyVersions").which.should.have.length_of(4)
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iot_client.delete_policy_version(
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policyName=policy_name, policyVersionId=policy1["policyVersionId"]
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)
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policy_versions = iot_client.list_policy_versions(policyName=policy_name)
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policy_versions.should.have.key("policyVersions").which.should.have.length_of(3)
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iot_client.delete_policy_version(
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policyName=policy_name, policyVersionId=policy2["policyVersionId"]
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)
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policy_versions = iot_client.list_policy_versions(policyName=policy_name)
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policy_versions.should.have.key("policyVersions").which.should.have.length_of(2)
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iot_client.delete_policy_version(
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policyName=policy_name, policyVersionId=policy3["policyVersionId"]
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)
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policy_versions = iot_client.list_policy_versions(policyName=policy_name)
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policy_versions.should.have.key("policyVersions").which.should.have.length_of(1)
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# should fail as it"s the default policy. Should use delete_policy instead
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with pytest.raises(ClientError) as exc:
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iot_client.delete_policy_version(
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policyName=policy_name, policyVersionId=policy4["policyVersionId"]
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)
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err = exc.value.response["Error"]
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err["Message"].should.equal("Cannot delete the default version of a policy")
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def test_policy_versions_increment_beyond_5(iot_client, policy):
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"""
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Version ids increment by one each time.
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Previously there was a bug where the version id was not incremented beyond 5.
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This prevents a regression.
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"""
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policy_name = policy["policyName"]
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for v in range(2, 11):
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new_version = iot_client.create_policy_version(
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policyName=policy_name,
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policyDocument=json.dumps({"version": f"version_{v}"}),
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setAsDefault=True,
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)
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new_version.should.have.key("policyVersionId").which.should.equal(str(v))
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iot_client.delete_policy_version(
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policyName=policy_name, policyVersionId=str(v - 1)
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)
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def test_policy_versions_increment_even_after_version_delete(iot_client, policy):
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"""Version ids increment even if the max version was deleted."""
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policy_name = policy["policyName"]
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new_version = iot_client.create_policy_version(
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policyName=policy_name,
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policyDocument=json.dumps({"version": "version_2"}),
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)
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new_version.should.have.key("policyVersionId").which.should.equal("2")
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iot_client.delete_policy_version(policyName=policy_name, policyVersionId="2")
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third_version = iot_client.create_policy_version(
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policyName=policy_name,
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policyDocument=json.dumps({"version": "version_3"}),
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)
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third_version.should.have.key("policyVersionId").which.should.equal("3")
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def test_delete_policy_validation(iot_client):
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doc = """{
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"Version": "2012-10-17",
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"Statement":[
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{
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"Effect":"Allow",
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"Action":[
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"iot: *"
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],
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"Resource":"*"
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}
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]
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}
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"""
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cert = iot_client.create_keys_and_certificate(setAsActive=True)
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cert_arn = cert["certificateArn"]
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policy_name = "my-policy"
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iot_client.create_policy(policyName=policy_name, policyDocument=doc)
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iot_client.attach_principal_policy(policyName=policy_name, principal=cert_arn)
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with pytest.raises(ClientError) as e:
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iot_client.delete_policy(policyName=policy_name)
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e.value.response["Error"]["Message"].should.contain(
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"The policy cannot be deleted as the policy is attached to one or more principals (name=%s)"
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% policy_name
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)
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res = iot_client.list_policies()
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res.should.have.key("policies").which.should.have.length_of(1)
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iot_client.detach_principal_policy(policyName=policy_name, principal=cert_arn)
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iot_client.delete_policy(policyName=policy_name)
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res = iot_client.list_policies()
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res.should.have.key("policies").which.should.have.length_of(0)
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def test_policy(iot_client):
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name = "my-policy"
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doc = "{}"
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policy = iot_client.create_policy(policyName=name, policyDocument=doc)
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policy.should.have.key("policyName").which.should.equal(name)
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policy.should.have.key("policyArn").which.should_not.be.none
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policy.should.have.key("policyDocument").which.should.equal(doc)
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policy.should.have.key("policyVersionId").which.should.equal("1")
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policy = iot_client.get_policy(policyName=name)
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policy.should.have.key("policyName").which.should.equal(name)
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policy.should.have.key("policyArn").which.should_not.be.none
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policy.should.have.key("policyDocument").which.should.equal(doc)
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policy.should.have.key("defaultVersionId").which.should.equal("1")
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res = iot_client.list_policies()
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res.should.have.key("policies").which.should.have.length_of(1)
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for policy in res["policies"]:
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policy.should.have.key("policyName").which.should_not.be.none
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policy.should.have.key("policyArn").which.should_not.be.none
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iot_client.delete_policy(policyName=name)
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res = iot_client.list_policies()
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res.should.have.key("policies").which.should.have.length_of(0)
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def test_attach_policy_to_thing_group(iot_client, policy):
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thing_group = iot_client.create_thing_group(thingGroupName="my-thing-group")
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thing_group_arn = thing_group["thingGroupArn"]
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policy_name = policy["policyName"]
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iot_client.attach_policy(policyName=policy_name, target=thing_group_arn)
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res = iot_client.list_attached_policies(target=thing_group_arn)
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res.should.have.key("policies").which.should.have.length_of(1)
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res["policies"][0]["policyName"].should.equal(policy_name)
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def test_attach_policy_to_non_existant_thing_group_raises_ResourceNotFoundException(
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iot_client, policy
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):
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thing_group_arn = (
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"arn:aws:iot:ap-northeast-1:123456789012:thinggroup/my-thing-group"
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)
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policy_name = policy["policyName"]
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with pytest.raises(ClientError, match=thing_group_arn):
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iot_client.attach_policy(policyName=policy_name, target=thing_group_arn)
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def test_policy_delete_fails_when_versions_exist(iot_client, policy):
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policy_name = policy["policyName"]
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iot_client.create_policy_version(
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policyName=policy_name,
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policyDocument=policy["policyDocument"],
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setAsDefault=True,
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)
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with pytest.raises(ClientError) as e:
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iot_client.delete_policy(policyName=policy_name)
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e.value.response["Error"]["Message"].should.contain(
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"Cannot delete the policy because it has one or more policy versions attached to it"
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)
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def test_list_targets_for_policy_empty(iot_client, policy):
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res = iot_client.list_targets_for_policy(policyName=policy["policyName"])
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res.should.have.key("targets").which.should.have.length_of(0)
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def test_list_targets_for_policy_one_attached_thing_group(iot_client, policy):
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thing_group = iot_client.create_thing_group(thingGroupName="my-thing-group")
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thing_group_arn = thing_group["thingGroupArn"]
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policy_name = policy["policyName"]
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iot_client.attach_policy(policyName=policy_name, target=thing_group_arn)
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res = iot_client.list_targets_for_policy(policyName=policy["policyName"])
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res.should.have.key("targets").which.should.have.length_of(1)
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res["targets"][0].should.equal(thing_group_arn)
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def test_list_targets_for_policy_one_attached_certificate(iot_client, policy):
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cert = iot_client.create_keys_and_certificate(setAsActive=True)
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cert_arn = cert["certificateArn"]
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policy_name = policy["policyName"]
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iot_client.attach_policy(policyName=policy_name, target=cert_arn)
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res = iot_client.list_targets_for_policy(policyName=policy["policyName"])
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res.should.have.key("targets").which.should.have.length_of(1)
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res["targets"][0].should.equal(cert_arn)
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def test_list_targets_for_policy_resource_not_found(iot_client):
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with pytest.raises(ClientError) as e:
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iot_client.list_targets_for_policy(policyName="NON_EXISTENT_POLICY_NAME")
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e.value.response["Error"]["Code"].should.equal("ResourceNotFoundException")
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e.value.response["Error"]["Message"].should.contain("Policy not found")
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def test_create_policy_fails_when_name_taken(iot_client, policy):
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policy_name = policy["policyName"]
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with pytest.raises(ClientError) as e:
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iot_client.create_policy(
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policyName=policy_name,
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policyDocument='{"Version": "2012-10-17", "Statement": [{"Effect": "Allow", "Action": "*", "Resource": "*"}]}',
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)
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current_policy = iot_client.get_policy(policyName=policy_name)
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e.value.response["Error"]["Code"].should.equal("ResourceAlreadyExistsException")
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e.value.response["Error"]["Message"].should.equal(
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f"Policy cannot be created - name already exists (name={policy_name})"
|
|
)
|
|
|
|
# the policy should not have been overwritten
|
|
current_policy.should.have.key("policyDocument").which.should.equal(
|
|
policy["policyDocument"]
|
|
)
|