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Throw ValidationError on null outputs section (#4221)

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Timothy Klopotoski 2021-08-26 01:01:01 -04:00 committed by GitHub
parent 9613795bc2
commit cbbeaff23e
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2 changed files with 19 additions and 0 deletions
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7
moto/cloudformation/parsing.py
View File

@ -745,6 +745,13 @@ class OutputMap(collections_abc.Mapping):
def __init__(self, resources, template, stack_id):
self._template = template
self._stack_id = stack_id
if "Outputs" in template and template["Outputs"] is None:
raise ValidationError(
stack_id, # not sure why we need to supply this when also supplying message
message="[/Outputs] 'null' values are not allowed in templates",
)
self._output_json_map = template.get("Outputs")
# Create the default resources

12
tests/test_cloudformation/test_stack_parsing.py
View File

@ -56,6 +56,8 @@ output_dict = {
}
}
null_output = {"Outputs": None}
bad_output = {
"Outputs": {"Output1": {"Value": {"Fn::GetAtt": ["Queue", "InvalidAttribute"]}}}
}
@ -146,6 +148,7 @@ import_value_template = {
}
outputs_template = dict(list(dummy_template.items()) + list(output_dict.items()))
null_outputs_template = dict(list(dummy_template.items()) + list(null_output.items()))
bad_outputs_template = dict(list(dummy_template.items()) + list(bad_output.items()))
get_attribute_outputs_template = dict(
list(dummy_template.items()) + list(get_attribute_output.items())
@ -162,6 +165,7 @@ ssm_parameter_template = dict(
dummy_template_json = json.dumps(dummy_template)
name_type_template_json = json.dumps(name_type_template)
output_type_template_json = json.dumps(outputs_template)
null_output_template_json = json.dumps(null_outputs_template)
bad_output_template_json = json.dumps(bad_outputs_template)
get_attribute_outputs_template_json = json.dumps(get_attribute_outputs_template)
get_availability_zones_template_json = json.dumps(get_availability_zones_template)
@ -316,6 +320,14 @@ def test_parse_stack_with_bad_get_attribute_outputs():
).should.throw(ValidationError)
def test_parse_stack_with_null_outputs_section():
FakeStack.when.called_with(
"test_id", "test_stack", null_output_template_json, {}, "us-west-1"
).should.throw(
ValidationError, "[/Outputs] 'null' values are not allowed in templates"
)
def test_parse_stack_with_parameters():
stack = FakeStack(
stack_id="test_id",