def test_render_invalid_ref():
t = {
"Parameters": {"testParam": {"Default": "Test Value"}},
"Conditions": {"Bar": {"Fn::Equals": [{"Ref": "testParam"}, "Test Value"]}},
"Resources": {
"Foo": {"Condition": "Bar", "Properties": {"Name": {"Ref": "FAKE!"}}}
},
}
template = Template(t)
with pytest.raises(Exception) as ex:
_ = template.render()
assert "not a valid Resource" in str(ex)
def test_render_true():
t = {
"Parameters": {"testParam": {"Default": "Test Value"}},
"Conditions": {"Bar": {"Fn::Equals": [{"Ref": "testParam"}, "Test Value"]}},
"Resources": {"Foo": {"Condition": "Bar"}},
}
template = Template(t)
result = template.render()
assert t is not result, "Should not pass back a pointer to the same dict."
assert template.Region == Template.Region, "Should set the default region."
assert "Foo" in result["Resources"], "Resources should not be empty."
assert result["Conditions"]["Bar"], "Condition should be true."
assert result["Metadata"], "Metadata should be set."
def test_render_false():
params = {"testParam": "Not Test Value"}
t = {
"Parameters": {"testParam": {"Default": "Test Value"}},
"Conditions": {"Bar": {"Fn::Equals": [{"Ref": "testParam"}, "Test Value"]}},
"Resources": {
"Foo": {"Condition": "Bar"},
"Foobar": {
"Properties": {"Something": {"Fn::Sub": "This is a ${testParam}"}}
},
},
}
template = Template(t)
result = template.render(params, region="us-west-2")
assert template.Region != Template.Region, "Should not set the default region."
assert "Foo" not in result["Resources"], "Resources should be empty."
assert not result["Conditions"]["Bar"], "Condition should be false."