1#!/usr/bin/env python
2import unittest
3from datetime import datetime
4from mock import Mock
5
6from tests.unit import AWSMockServiceTestCase
7from boto.cloudformation.connection import CloudFormationConnection
8from boto.exception import BotoServerError
9from boto.compat import json
10
11SAMPLE_TEMPLATE = r"""
12{
13  "AWSTemplateFormatVersion" : "2010-09-09",
14  "Description" : "Sample template",
15  "Parameters" : {
16    "KeyName" : {
17      "Description" : "key pair",
18      "Type" : "String"
19    }
20  },
21  "Resources" : {
22    "Ec2Instance" : {
23      "Type" : "AWS::EC2::Instance",
24      "Properties" : {
25        "KeyName" : { "Ref" : "KeyName" },
26        "ImageId" : "ami-7f418316",
27        "UserData" : { "Fn::Base64" : "80" }
28      }
29    }
30  },
31  "Outputs" : {
32    "InstanceId" : {
33      "Description" : "InstanceId of the newly created EC2 instance",
34      "Value" : { "Ref" : "Ec2Instance" }
35    }
36}
37"""
38
39class CloudFormationConnectionBase(AWSMockServiceTestCase):
40    connection_class = CloudFormationConnection
41
42    def setUp(self):
43        super(CloudFormationConnectionBase, self).setUp()
44        self.stack_id = u'arn:aws:cloudformation:us-east-1:18:stack/Name/id'
45
46
47class TestCloudFormationCreateStack(CloudFormationConnectionBase):
48    def default_body(self):
49        return json.dumps(
50            {u'CreateStackResponse':
51                 {u'CreateStackResult': {u'StackId': self.stack_id},
52                  u'ResponseMetadata': {u'RequestId': u'1'}}}).encode('utf-8')
53
54    def test_create_stack_has_correct_request_params(self):
55        self.set_http_response(status_code=200)
56        api_response = self.service_connection.create_stack(
57            'stack_name', template_url='http://url',
58            template_body=SAMPLE_TEMPLATE,
59            parameters=[('KeyName', 'myKeyName')],
60            tags={'TagKey': 'TagValue'},
61            notification_arns=['arn:notify1', 'arn:notify2'],
62            disable_rollback=True,
63            timeout_in_minutes=20, capabilities=['CAPABILITY_IAM']
64        )
65        self.assertEqual(api_response, self.stack_id)
66        # These are the parameters that are actually sent to the CloudFormation
67        # service.
68        self.assert_request_parameters({
69            'Action': 'CreateStack',
70            'Capabilities.member.1': 'CAPABILITY_IAM',
71            'ContentType': 'JSON',
72            'DisableRollback': 'true',
73            'NotificationARNs.member.1': 'arn:notify1',
74            'NotificationARNs.member.2': 'arn:notify2',
75            'Parameters.member.1.ParameterKey': 'KeyName',
76            'Parameters.member.1.ParameterValue': 'myKeyName',
77            'Tags.member.1.Key': 'TagKey',
78            'Tags.member.1.Value': 'TagValue',
79            'StackName': 'stack_name',
80            'Version': '2010-05-15',
81            'TimeoutInMinutes': 20,
82            'TemplateBody': SAMPLE_TEMPLATE,
83            'TemplateURL': 'http://url',
84        })
85
86    # The test_create_stack_has_correct_request_params verified all of the
87    # params needed when making a create_stack service call.  The rest of the
88    # tests for create_stack only verify specific parts of the params sent
89    # to CloudFormation.
90
91    def test_create_stack_with_minimum_args(self):
92        # This will fail in practice, but the API docs only require stack_name.
93        self.set_http_response(status_code=200)
94        api_response = self.service_connection.create_stack('stack_name')
95        self.assertEqual(api_response, self.stack_id)
96        self.assert_request_parameters({
97            'Action': 'CreateStack',
98            'ContentType': 'JSON',
99            'DisableRollback': 'false',
100            'StackName': 'stack_name',
101            'Version': '2010-05-15',
102        })
103
104    def test_create_stack_fails(self):
105        self.set_http_response(status_code=400, reason='Bad Request',
106            body=b'{"Error": {"Code": 1, "Message": "Invalid arg."}}')
107        with self.assertRaisesRegexp(self.service_connection.ResponseError,
108            'Invalid arg.'):
109            api_response = self.service_connection.create_stack(
110                'stack_name', template_body=SAMPLE_TEMPLATE,
111                parameters=[('KeyName', 'myKeyName')])
112
113    def test_create_stack_fail_error(self):
114        self.set_http_response(status_code=400, reason='Bad Request',
115            body=b'{"RequestId": "abc", "Error": {"Code": 1, "Message": "Invalid arg."}}')
116        try:
117            api_response = self.service_connection.create_stack(
118                'stack_name', template_body=SAMPLE_TEMPLATE,
119                parameters=[('KeyName', 'myKeyName')])
120        except BotoServerError as e:
121            self.assertEqual('abc', e.request_id)
122            self.assertEqual(1, e.error_code)
123            self.assertEqual('Invalid arg.', e.message)
124
125class TestCloudFormationUpdateStack(CloudFormationConnectionBase):
126    def default_body(self):
127        return json.dumps(
128            {u'UpdateStackResponse':
129                 {u'UpdateStackResult': {u'StackId': self.stack_id},
130                  u'ResponseMetadata': {u'RequestId': u'1'}}}).encode('utf-8')
131
132    def test_update_stack_all_args(self):
133        self.set_http_response(status_code=200)
134        api_response = self.service_connection.update_stack(
135            'stack_name', template_url='http://url',
136            template_body=SAMPLE_TEMPLATE,
137            parameters=[('KeyName', 'myKeyName'), ('KeyName2', "", True),
138                        ('KeyName3', "", False), ('KeyName4', None, True),
139                        ('KeyName5', "Ignore Me", True)],
140            tags={'TagKey': 'TagValue'},
141            notification_arns=['arn:notify1', 'arn:notify2'],
142            disable_rollback=True,
143            timeout_in_minutes=20,
144            use_previous_template=True
145        )
146        self.assert_request_parameters({
147            'Action': 'UpdateStack',
148            'ContentType': 'JSON',
149            'DisableRollback': 'true',
150            'NotificationARNs.member.1': 'arn:notify1',
151            'NotificationARNs.member.2': 'arn:notify2',
152            'Parameters.member.1.ParameterKey': 'KeyName',
153            'Parameters.member.1.ParameterValue': 'myKeyName',
154            'Parameters.member.2.ParameterKey': 'KeyName2',
155            'Parameters.member.2.UsePreviousValue': 'true',
156            'Parameters.member.3.ParameterKey': 'KeyName3',
157            'Parameters.member.3.ParameterValue': '',
158            'Parameters.member.4.UsePreviousValue': 'true',
159            'Parameters.member.4.ParameterKey': 'KeyName4',
160            'Parameters.member.5.UsePreviousValue': 'true',
161            'Parameters.member.5.ParameterKey': 'KeyName5',
162            'Tags.member.1.Key': 'TagKey',
163            'Tags.member.1.Value': 'TagValue',
164            'StackName': 'stack_name',
165            'Version': '2010-05-15',
166            'TimeoutInMinutes': 20,
167            'TemplateBody': SAMPLE_TEMPLATE,
168            'TemplateURL': 'http://url',
169            'UsePreviousTemplate': 'true',
170        })
171
172    def test_update_stack_with_minimum_args(self):
173        self.set_http_response(status_code=200)
174        api_response = self.service_connection.update_stack('stack_name')
175        self.assertEqual(api_response, self.stack_id)
176        self.assert_request_parameters({
177            'Action': 'UpdateStack',
178            'ContentType': 'JSON',
179            'DisableRollback': 'false',
180            'StackName': 'stack_name',
181            'Version': '2010-05-15',
182        })
183
184    def test_update_stack_fails(self):
185        self.set_http_response(status_code=400, reason='Bad Request',
186                               body=b'Invalid arg.')
187        with self.assertRaises(self.service_connection.ResponseError):
188            api_response = self.service_connection.update_stack(
189                'stack_name', template_body=SAMPLE_TEMPLATE,
190                parameters=[('KeyName', 'myKeyName')])
191
192
193class TestCloudFormationDeleteStack(CloudFormationConnectionBase):
194    def default_body(self):
195        return json.dumps(
196            {u'DeleteStackResponse':
197                 {u'ResponseMetadata': {u'RequestId': u'1'}}}).encode('utf-8')
198
199    def test_delete_stack(self):
200        self.set_http_response(status_code=200)
201        api_response = self.service_connection.delete_stack('stack_name')
202        self.assertEqual(api_response, json.loads(self.default_body().decode('utf-8')))
203        self.assert_request_parameters({
204            'Action': 'DeleteStack',
205            'ContentType': 'JSON',
206            'StackName': 'stack_name',
207            'Version': '2010-05-15',
208        })
209
210    def test_delete_stack_fails(self):
211        self.set_http_response(status_code=400)
212        with self.assertRaises(self.service_connection.ResponseError):
213            api_response = self.service_connection.delete_stack('stack_name')
214
215
216class TestCloudFormationDescribeStackResource(CloudFormationConnectionBase):
217    def default_body(self):
218        return json.dumps('fake server response').encode('utf-8')
219
220    def test_describe_stack_resource(self):
221        self.set_http_response(status_code=200)
222        api_response = self.service_connection.describe_stack_resource(
223            'stack_name', 'resource_id')
224        self.assertEqual(api_response, 'fake server response')
225        self.assert_request_parameters({
226            'Action': 'DescribeStackResource',
227            'ContentType': 'JSON',
228            'LogicalResourceId': 'resource_id',
229            'StackName': 'stack_name',
230            'Version': '2010-05-15',
231        })
232
233    def test_describe_stack_resource_fails(self):
234        self.set_http_response(status_code=400)
235        with self.assertRaises(self.service_connection.ResponseError):
236            api_response = self.service_connection.describe_stack_resource(
237                'stack_name', 'resource_id')
238
239
240class TestCloudFormationGetTemplate(CloudFormationConnectionBase):
241    def default_body(self):
242        return json.dumps('fake server response').encode('utf-8')
243
244    def test_get_template(self):
245        self.set_http_response(status_code=200)
246        api_response = self.service_connection.get_template('stack_name')
247        self.assertEqual(api_response, 'fake server response')
248        self.assert_request_parameters({
249            'Action': 'GetTemplate',
250            'ContentType': 'JSON',
251            'StackName': 'stack_name',
252            'Version': '2010-05-15',
253        })
254
255
256    def test_get_template_fails(self):
257        self.set_http_response(status_code=400)
258        with self.assertRaises(self.service_connection.ResponseError):
259            api_response = self.service_connection.get_template('stack_name')
260
261
262class TestCloudFormationGetStackevents(CloudFormationConnectionBase):
263    def default_body(self):
264        return b"""
265            <DescribeStackEventsResult>
266              <StackEvents>
267                <member>
268                  <EventId>Event-1-Id</EventId>
269                  <StackId>arn:aws:cfn:us-east-1:1:stack</StackId>
270                  <StackName>MyStack</StackName>
271                  <LogicalResourceId>MyStack</LogicalResourceId>
272                  <PhysicalResourceId>MyStack_One</PhysicalResourceId>
273                  <ResourceType>AWS::CloudFormation::Stack</ResourceType>
274                  <Timestamp>2010-07-27T22:26:28Z</Timestamp>
275                  <ResourceStatus>CREATE_IN_PROGRESS</ResourceStatus>
276                  <ResourceStatusReason>User initiated</ResourceStatusReason>
277                </member>
278                <member>
279                  <EventId>Event-2-Id</EventId>
280                  <StackId>arn:aws:cfn:us-east-1:1:stack</StackId>
281                  <StackName>MyStack</StackName>
282                  <LogicalResourceId>MySG1</LogicalResourceId>
283                  <PhysicalResourceId>MyStack_SG1</PhysicalResourceId>
284                  <ResourceType>AWS::SecurityGroup</ResourceType>
285                  <Timestamp>2010-07-27T22:28:28Z</Timestamp>
286                  <ResourceStatus>CREATE_COMPLETE</ResourceStatus>
287                </member>
288              </StackEvents>
289            </DescribeStackEventsResult>
290        """
291
292    def test_describe_stack_events(self):
293        self.set_http_response(status_code=200)
294        first, second = self.service_connection.describe_stack_events('stack_name', next_token='next_token')
295        self.assertEqual(first.event_id, 'Event-1-Id')
296        self.assertEqual(first.logical_resource_id, 'MyStack')
297        self.assertEqual(first.physical_resource_id, 'MyStack_One')
298        self.assertEqual(first.resource_properties, None)
299        self.assertEqual(first.resource_status, 'CREATE_IN_PROGRESS')
300        self.assertEqual(first.resource_status_reason, 'User initiated')
301        self.assertEqual(first.resource_type, 'AWS::CloudFormation::Stack')
302        self.assertEqual(first.stack_id, 'arn:aws:cfn:us-east-1:1:stack')
303        self.assertEqual(first.stack_name, 'MyStack')
304        self.assertIsNotNone(first.timestamp)
305
306        self.assertEqual(second.event_id, 'Event-2-Id')
307        self.assertEqual(second.logical_resource_id, 'MySG1')
308        self.assertEqual(second.physical_resource_id, 'MyStack_SG1')
309        self.assertEqual(second.resource_properties, None)
310        self.assertEqual(second.resource_status, 'CREATE_COMPLETE')
311        self.assertEqual(second.resource_status_reason, None)
312        self.assertEqual(second.resource_type, 'AWS::SecurityGroup')
313        self.assertEqual(second.stack_id, 'arn:aws:cfn:us-east-1:1:stack')
314        self.assertEqual(second.stack_name, 'MyStack')
315        self.assertIsNotNone(second.timestamp)
316
317        self.assert_request_parameters({
318            'Action': 'DescribeStackEvents',
319            'NextToken': 'next_token',
320            'StackName': 'stack_name',
321            'Version': '2010-05-15',
322        })
323
324
325class TestCloudFormationDescribeStackResources(CloudFormationConnectionBase):
326    def default_body(self):
327        return b"""
328            <DescribeStackResourcesResult>
329              <StackResources>
330                <member>
331                  <StackId>arn:aws:cfn:us-east-1:1:stack</StackId>
332                  <StackName>MyStack</StackName>
333                  <LogicalResourceId>MyDBInstance</LogicalResourceId>
334                  <PhysicalResourceId>MyStack_DB1</PhysicalResourceId>
335                  <ResourceType>AWS::DBInstance</ResourceType>
336                  <Timestamp>2010-07-27T22:27:28Z</Timestamp>
337                  <ResourceStatus>CREATE_COMPLETE</ResourceStatus>
338                </member>
339                <member>
340                  <StackId>arn:aws:cfn:us-east-1:1:stack</StackId>
341                  <StackName>MyStack</StackName>
342                  <LogicalResourceId>MyAutoScalingGroup</LogicalResourceId>
343                  <PhysicalResourceId>MyStack_ASG1</PhysicalResourceId>
344                  <ResourceType>AWS::AutoScalingGroup</ResourceType>
345                  <Timestamp>2010-07-27T22:28:28Z</Timestamp>
346                  <ResourceStatus>CREATE_IN_PROGRESS</ResourceStatus>
347                </member>
348              </StackResources>
349            </DescribeStackResourcesResult>
350        """
351
352    def test_describe_stack_resources(self):
353        self.set_http_response(status_code=200)
354        first, second = self.service_connection.describe_stack_resources(
355            'stack_name', 'logical_resource_id', 'physical_resource_id')
356        self.assertEqual(first.description, None)
357        self.assertEqual(first.logical_resource_id, 'MyDBInstance')
358        self.assertEqual(first.physical_resource_id, 'MyStack_DB1')
359        self.assertEqual(first.resource_status, 'CREATE_COMPLETE')
360        self.assertEqual(first.resource_status_reason, None)
361        self.assertEqual(first.resource_type, 'AWS::DBInstance')
362        self.assertEqual(first.stack_id, 'arn:aws:cfn:us-east-1:1:stack')
363        self.assertEqual(first.stack_name, 'MyStack')
364        self.assertIsNotNone(first.timestamp)
365
366        self.assertEqual(second.description, None)
367        self.assertEqual(second.logical_resource_id, 'MyAutoScalingGroup')
368        self.assertEqual(second.physical_resource_id, 'MyStack_ASG1')
369        self.assertEqual(second.resource_status, 'CREATE_IN_PROGRESS')
370        self.assertEqual(second.resource_status_reason, None)
371        self.assertEqual(second.resource_type, 'AWS::AutoScalingGroup')
372        self.assertEqual(second.stack_id, 'arn:aws:cfn:us-east-1:1:stack')
373        self.assertEqual(second.stack_name, 'MyStack')
374        self.assertIsNotNone(second.timestamp)
375
376        self.assert_request_parameters({
377            'Action': 'DescribeStackResources',
378            'LogicalResourceId': 'logical_resource_id',
379            'PhysicalResourceId': 'physical_resource_id',
380            'StackName': 'stack_name',
381            'Version': '2010-05-15',
382        })
383
384
385class TestCloudFormationDescribeStacks(CloudFormationConnectionBase):
386    def default_body(self):
387        return b"""
388          <DescribeStacksResponse>
389            <DescribeStacksResult>
390              <Stacks>
391                <member>
392                  <StackId>arn:aws:cfn:us-east-1:1:stack</StackId>
393                  <StackStatus>CREATE_COMPLETE</StackStatus>
394                  <StackName>MyStack</StackName>
395                  <StackStatusReason/>
396                  <Description>My Description</Description>
397                  <CreationTime>2012-05-16T22:55:31Z</CreationTime>
398                  <Capabilities>
399                    <member>CAPABILITY_IAM</member>
400                  </Capabilities>
401                  <NotificationARNs>
402                    <member>arn:aws:sns:region-name:account-name:topic-name</member>
403                  </NotificationARNs>
404                  <DisableRollback>false</DisableRollback>
405                  <Parameters>
406                    <member>
407                      <ParameterValue>MyValue</ParameterValue>
408                      <ParameterKey>MyKey</ParameterKey>
409                    </member>
410                  </Parameters>
411                  <Outputs>
412                    <member>
413                      <OutputValue>http://url/</OutputValue>
414                      <Description>Server URL</Description>
415                      <OutputKey>ServerURL</OutputKey>
416                    </member>
417                  </Outputs>
418                  <Tags>
419                    <member>
420                      <Key>MyTagKey</Key>
421                      <Value>MyTagValue</Value>
422                    </member>
423                  </Tags>
424                </member>
425              </Stacks>
426            </DescribeStacksResult>
427            <ResponseMetadata>
428              <RequestId>12345</RequestId>
429            </ResponseMetadata>
430        </DescribeStacksResponse>
431        """
432
433    def test_describe_stacks(self):
434        self.set_http_response(status_code=200)
435
436        stacks = self.service_connection.describe_stacks('MyStack')
437        self.assertEqual(len(stacks), 1)
438
439        stack = stacks[0]
440        self.assertEqual(stack.creation_time,
441                         datetime(2012, 5, 16, 22, 55, 31))
442        self.assertEqual(stack.description, 'My Description')
443        self.assertEqual(stack.disable_rollback, False)
444        self.assertEqual(stack.stack_id, 'arn:aws:cfn:us-east-1:1:stack')
445        self.assertEqual(stack.stack_status, 'CREATE_COMPLETE')
446        self.assertEqual(stack.stack_name, 'MyStack')
447        self.assertEqual(stack.stack_name_reason, None)
448        self.assertEqual(stack.timeout_in_minutes, None)
449
450        self.assertEqual(len(stack.outputs), 1)
451        self.assertEqual(stack.outputs[0].description, 'Server URL')
452        self.assertEqual(stack.outputs[0].key, 'ServerURL')
453        self.assertEqual(stack.outputs[0].value, 'http://url/')
454
455        self.assertEqual(len(stack.parameters), 1)
456        self.assertEqual(stack.parameters[0].key, 'MyKey')
457        self.assertEqual(stack.parameters[0].value, 'MyValue')
458
459        self.assertEqual(len(stack.capabilities), 1)
460        self.assertEqual(stack.capabilities[0].value, 'CAPABILITY_IAM')
461
462        self.assertEqual(len(stack.notification_arns), 1)
463        self.assertEqual(stack.notification_arns[0].value, 'arn:aws:sns:region-name:account-name:topic-name')
464
465        self.assertEqual(len(stack.tags), 1)
466        self.assertEqual(stack.tags['MyTagKey'], 'MyTagValue')
467
468        self.assert_request_parameters({
469            'Action': 'DescribeStacks',
470            'StackName': 'MyStack',
471            'Version': '2010-05-15',
472        })
473
474
475class TestCloudFormationListStackResources(CloudFormationConnectionBase):
476    def default_body(self):
477        return b"""
478            <ListStackResourcesResponse>
479              <ListStackResourcesResult>
480                <StackResourceSummaries>
481                  <member>
482                    <ResourceStatus>CREATE_COMPLETE</ResourceStatus>
483                    <LogicalResourceId>SampleDB</LogicalResourceId>
484                    <LastUpdatedTime>2011-06-21T20:25:57Z</LastUpdatedTime>
485                    <PhysicalResourceId>My-db-ycx</PhysicalResourceId>
486                    <ResourceType>AWS::RDS::DBInstance</ResourceType>
487                  </member>
488                  <member>
489                    <ResourceStatus>CREATE_COMPLETE</ResourceStatus>
490                    <LogicalResourceId>CPUAlarmHigh</LogicalResourceId>
491                    <LastUpdatedTime>2011-06-21T20:29:23Z</LastUpdatedTime>
492                    <PhysicalResourceId>MyStack-CPUH-PF</PhysicalResourceId>
493                    <ResourceType>AWS::CloudWatch::Alarm</ResourceType>
494                  </member>
495                </StackResourceSummaries>
496              </ListStackResourcesResult>
497              <ResponseMetadata>
498                <RequestId>2d06e36c-ac1d-11e0-a958-f9382b6eb86b</RequestId>
499              </ResponseMetadata>
500            </ListStackResourcesResponse>
501        """
502
503    def test_list_stack_resources(self):
504        self.set_http_response(status_code=200)
505        resources = self.service_connection.list_stack_resources('MyStack',
506                                                              next_token='next_token')
507        self.assertEqual(len(resources), 2)
508        self.assertEqual(resources[0].last_updated_time,
509                         datetime(2011, 6, 21, 20, 25, 57))
510        self.assertEqual(resources[0].logical_resource_id, 'SampleDB')
511        self.assertEqual(resources[0].physical_resource_id, 'My-db-ycx')
512        self.assertEqual(resources[0].resource_status, 'CREATE_COMPLETE')
513        self.assertEqual(resources[0].resource_status_reason, None)
514        self.assertEqual(resources[0].resource_type, 'AWS::RDS::DBInstance')
515
516        self.assertEqual(resources[1].last_updated_time,
517                         datetime(2011, 6, 21, 20, 29, 23))
518        self.assertEqual(resources[1].logical_resource_id, 'CPUAlarmHigh')
519        self.assertEqual(resources[1].physical_resource_id, 'MyStack-CPUH-PF')
520        self.assertEqual(resources[1].resource_status, 'CREATE_COMPLETE')
521        self.assertEqual(resources[1].resource_status_reason, None)
522        self.assertEqual(resources[1].resource_type, 'AWS::CloudWatch::Alarm')
523
524        self.assert_request_parameters({
525            'Action': 'ListStackResources',
526            'NextToken': 'next_token',
527            'StackName': 'MyStack',
528            'Version': '2010-05-15',
529        })
530
531
532class TestCloudFormationListStacks(CloudFormationConnectionBase):
533    def default_body(self):
534        return b"""
535            <ListStacksResponse>
536             <ListStacksResult>
537              <StackSummaries>
538                <member>
539                    <StackId>arn:aws:cfn:us-east-1:1:stack/Test1/aa</StackId>
540                    <StackStatus>CREATE_IN_PROGRESS</StackStatus>
541                    <StackName>vpc1</StackName>
542                    <CreationTime>2011-05-23T15:47:44Z</CreationTime>
543                    <TemplateDescription>My Description.</TemplateDescription>
544                </member>
545              </StackSummaries>
546             </ListStacksResult>
547            </ListStacksResponse>
548        """
549
550    def test_list_stacks(self):
551        self.set_http_response(status_code=200)
552        stacks = self.service_connection.list_stacks(['CREATE_IN_PROGRESS'],
553                                                  next_token='next_token')
554        self.assertEqual(len(stacks), 1)
555        self.assertEqual(stacks[0].stack_id,
556                         'arn:aws:cfn:us-east-1:1:stack/Test1/aa')
557        self.assertEqual(stacks[0].stack_status, 'CREATE_IN_PROGRESS')
558        self.assertEqual(stacks[0].stack_name, 'vpc1')
559        self.assertEqual(stacks[0].creation_time,
560                         datetime(2011, 5, 23, 15, 47, 44))
561        self.assertEqual(stacks[0].deletion_time, None)
562        self.assertEqual(stacks[0].template_description, 'My Description.')
563
564        self.assert_request_parameters({
565            'Action': 'ListStacks',
566            'NextToken': 'next_token',
567            'StackStatusFilter.member.1': 'CREATE_IN_PROGRESS',
568            'Version': '2010-05-15',
569        })
570
571
572class TestCloudFormationValidateTemplate(CloudFormationConnectionBase):
573    def default_body(self):
574        return b"""
575            <ValidateTemplateResponse xmlns="http://cloudformation.amazonaws.com/doc/2010-05-15/">
576              <ValidateTemplateResult>
577                <Description>My Description.</Description>
578                <Parameters>
579                  <member>
580                    <NoEcho>false</NoEcho>
581                    <ParameterKey>InstanceType</ParameterKey>
582                    <Description>Type of instance to launch</Description>
583                    <DefaultValue>m1.small</DefaultValue>
584                  </member>
585                  <member>
586                    <NoEcho>false</NoEcho>
587                    <ParameterKey>KeyName</ParameterKey>
588                    <Description>EC2 KeyPair</Description>
589                  </member>
590                </Parameters>
591                <CapabilitiesReason>Reason</CapabilitiesReason>
592                <Capabilities>
593                  <member>CAPABILITY_IAM</member>
594                </Capabilities>
595              </ValidateTemplateResult>
596              <ResponseMetadata>
597                <RequestId>0be7b6e8-e4a0-11e0-a5bd-9f8d5a7dbc91</RequestId>
598              </ResponseMetadata>
599            </ValidateTemplateResponse>
600        """
601
602    def test_validate_template(self):
603        self.set_http_response(status_code=200)
604        template = self.service_connection.validate_template(template_body=SAMPLE_TEMPLATE,
605                                                          template_url='http://url')
606        self.assertEqual(template.description, 'My Description.')
607        self.assertEqual(len(template.template_parameters), 2)
608        param1, param2 = template.template_parameters
609        self.assertEqual(param1.default_value, 'm1.small')
610        self.assertEqual(param1.description, 'Type of instance to launch')
611        self.assertEqual(param1.no_echo, True)
612        self.assertEqual(param1.parameter_key, 'InstanceType')
613
614        self.assertEqual(param2.default_value, None)
615        self.assertEqual(param2.description, 'EC2 KeyPair')
616        self.assertEqual(param2.no_echo, True)
617        self.assertEqual(param2.parameter_key, 'KeyName')
618
619        self.assertEqual(template.capabilities_reason, 'Reason')
620
621        self.assertEqual(len(template.capabilities), 1)
622        self.assertEqual(template.capabilities[0].value, 'CAPABILITY_IAM')
623
624        self.assert_request_parameters({
625            'Action': 'ValidateTemplate',
626            'TemplateBody': SAMPLE_TEMPLATE,
627            'TemplateURL': 'http://url',
628            'Version': '2010-05-15',
629        })
630
631
632class TestCloudFormationCancelUpdateStack(CloudFormationConnectionBase):
633    def default_body(self):
634        return b"""<CancelUpdateStackResult/>"""
635
636    def test_cancel_update_stack(self):
637        self.set_http_response(status_code=200)
638        api_response = self.service_connection.cancel_update_stack('stack_name')
639        self.assertEqual(api_response, True)
640        self.assert_request_parameters({
641            'Action': 'CancelUpdateStack',
642            'StackName': 'stack_name',
643            'Version': '2010-05-15',
644        })
645
646
647class TestCloudFormationEstimateTemplateCost(CloudFormationConnectionBase):
648    def default_body(self):
649        return b"""
650            {
651                "EstimateTemplateCostResponse": {
652                    "EstimateTemplateCostResult": {
653                        "Url": "http://calculator.s3.amazonaws.com/calc5.html?key=cf-2e351785-e821-450c-9d58-625e1e1ebfb6"
654                    }
655                }
656            }
657        """
658
659    def test_estimate_template_cost(self):
660        self.set_http_response(status_code=200)
661        api_response = self.service_connection.estimate_template_cost(
662            template_body='{}')
663        self.assertEqual(api_response,
664            'http://calculator.s3.amazonaws.com/calc5.html?key=cf-2e351785-e821-450c-9d58-625e1e1ebfb6')
665        self.assert_request_parameters({
666            'Action': 'EstimateTemplateCost',
667            'ContentType': 'JSON',
668            'TemplateBody': '{}',
669            'Version': '2010-05-15',
670        })
671
672
673class TestCloudFormationGetStackPolicy(CloudFormationConnectionBase):
674    def default_body(self):
675        return b"""
676            {
677                "GetStackPolicyResponse": {
678                    "GetStackPolicyResult": {
679                        "StackPolicyBody": "{...}"
680                    }
681                }
682            }
683        """
684
685    def test_get_stack_policy(self):
686        self.set_http_response(status_code=200)
687        api_response = self.service_connection.get_stack_policy('stack-id')
688        self.assertEqual(api_response, '{...}')
689        self.assert_request_parameters({
690            'Action': 'GetStackPolicy',
691            'ContentType': 'JSON',
692            'StackName': 'stack-id',
693            'Version': '2010-05-15',
694        })
695
696
697class TestCloudFormationSetStackPolicy(CloudFormationConnectionBase):
698    def default_body(self):
699        return b"""
700            {
701                "SetStackPolicyResponse": {
702                    "SetStackPolicyResult": {
703                        "Some": "content"
704                    }
705                }
706            }
707        """
708
709    def test_set_stack_policy(self):
710        self.set_http_response(status_code=200)
711        api_response = self.service_connection.set_stack_policy('stack-id',
712            stack_policy_body='{}')
713        self.assertDictEqual(api_response, {'SetStackPolicyResult': {'Some': 'content'}})
714        self.assert_request_parameters({
715            'Action': 'SetStackPolicy',
716            'ContentType': 'JSON',
717            'StackName': 'stack-id',
718            'StackPolicyBody': '{}',
719            'Version': '2010-05-15',
720        })
721
722
723if __name__ == '__main__':
724    unittest.main()
725