def test_is_resource_available(self):
""" Test is resource available """
temp_obj = cfnlint.helpers.convert_dict({
'Mappings': {'location': {'us-east-1': {'primary': 'True'}}},
'Conditions': {
'isPrimary': {'Fn::Equals': ['True', {'Fn::FindInMap': ['location', {'Ref': 'AWS::Region'}, 'primary']}]},
},
'Resources': {
'LambdaExecutionRole': {
'Condition': 'isPrimary',
'Type': 'AWS::IAM::Role',
'Properties': {}
},
'AMIIDLookup': {
'Type': 'AWS::Lambda::Function',
'Properties': {
'Handler': 'index.handler',
'Role': {
'Fn::If': ['isPrimary', {'Fn::GetAtt': 'LambdaExecutionRole.Arn'}, {'Ref': 'AWS::NoValue'}]
}
}
}
},
'Outputs': {
'lambdaArn': {
'Condition': 'isPrimary',
'Value': {'Fn::GetAtt': 'LambdaExecutionRole.Arn'}
}
}
})
template = Template('test.yaml', temp_obj)
# Doesn't fail with a Fn::If based condition
self.assertEqual(
template.is_resource_available(
['Resources', 'AMIIDLookup', 'Properties', 'Role', 'Fn::If',
1, 'Fn::GetAtt', ['LambdaExecutionRole', 'Arn']],
'LambdaExecutionRole'
),
[]
)
# Doesn't fail when the Output has a Condition defined
self.assertEqual(
template.is_resource_available(
['Outputs', 'lambdaArn', 'Value', 'Fn::GetAtt', ['LambdaExecutionRole', 'Arn']],
'LambdaExecutionRole'
),
[]
)
# Doesn't fail when the Resource doesn't exist
self.assertEqual(
template.is_resource_available(
['Outputs', 'lambdaArn', 'Value', 'Fn::GetAtt', ['LambdaExecutionRole', 'Arn']],
'UnknownResource'
),
[]
)
def test_is_resource_not_available(self):
""" Test is resource available """
temp_obj = cfnlint.helpers.convert_dict({
'Mappings': {'location': {'us-east-1': {'primary': 'True'}}},
'Conditions': {
'isPrimary': {'Fn::Equals': ['True', {'Fn::FindInMap': ['location', {'Ref': 'AWS::Region'}, 'primary']}]},
},
'Resources': {
'LambdaExecutionRole': {
'Condition': 'isPrimary',
'Type': 'AWS::IAM::Role',
'Properties': {}
},
'AMIIDLookup': {
'Type': 'AWS::Lambda::Function',
'Properties': {
'Handler': 'index.handler',
'Role': {'Fn::GetAtt': 'LambdaExecutionRole.Arn'}
}
}
},
'Outputs': {
'lambdaArn': {
'Value': {'Fn::GetAtt': 'LambdaExecutionRole.Arn'}
}
}
})
template = Template('test.yaml', temp_obj)
self.assertEqual(
template.is_resource_available(
['Resources', 'AMIIDLookup', 'Properties', 'Role', 'Fn::If',
1, 'Fn::GetAtt', ['LambdaExecutionRole', 'Arn']],
'LambdaExecutionRole'
),
[{'isPrimary': False}]
)
self.assertEqual(
template.is_resource_available(
['Outputs', 'lambdaArn', 'Value', 'Fn::GetAtt', ['LambdaExecutionRole', 'Arn']],
'LambdaExecutionRole'
),
[{'isPrimary': False}]
)
# Doesn't fail when the Path doesn't exist. Still shows an error based on the fact there
# are no conditions in the path that is workable
self.assertEqual(
template.is_resource_available(
['Resources', 'AMIIDLookup', 'Properties', 'BadProperty',
'Fn::If', 1, 'Fn::GetAtt', ['LambdaExecutionRole', 'Arn']],
'LambdaExecutionRole'
),
[{'isPrimary': False}]
)
# Gives appropriate response when there is no condition in path
self.assertEqual(
template.is_resource_available(
['Resources', 'AMIIDLookup', 'Properties', 'Handler'],
'LambdaExecutionRole'
),
[{'isPrimary': False}]
)