def test_tropo_to_string(self):
        utility.tropo_to_string(tropo.Template())
        utility.tropo_to_string(tropo.Base64('efsdfsdf'))
        utility.tropo_to_string(tropo.Output('efsdfsdf', Value='dsfsdfs'))
        utility.tropo_to_string(tropo.Parameter('efsdfsdf', Type='dsfsdfs'))

        # These constructors recursively call themselves for some reason
        # Don't instantiate directly
        # utility.tropo_to_string(tropo.AWSProperty())
        # utility.tropo_to_string(tropo.AWSAttribute())

        utility.tropo_to_string(ec2.Instance(
            "ec2instance",
            InstanceType="m3.medium",
            ImageId="ami-951945d0"))
    def test_build_bootstrap(self):
        file1_name = 'arbitrary_file.txt'
        file1_content = 'line1\nline2\nline3'
        self._create_local_file(file1_name, file1_content)

        # Basic test
        template_snippet = template.Template.build_bootstrap([file1_name], prepend_line='')
        generated_json = yaml.load(utility.tropo_to_string(template_snippet))
        expected_json_1 = {"Fn::Base64": {"Fn::Join": ["\n", ["line1", "line2", "line3"]]}}
        self.assertEqual(generated_json, expected_json_1)

        # Advanced test

        # resources can't be accessed as files directly
        # lines starting with #~ are removed automatically
        file2_content = '#~this_line_should_be_stripped_out\nline4\nline5\nline6'

        # you can provided multiple files or content (mix and match) in the specified order
        # you can set the shabang to whatever you want
        # you can reference variables in the file content and set there values using variable_declarations
        # finally to can do any append cleanup commands to the bottom of the file with cleanup_commands
        template_snippet = template.Template.build_bootstrap(
            [file1_name, file2_content],
            prepend_line='#!/bin/fakesh',
            variable_declarations=['var_dec_line_1', 'var_dec_line_2'],
            cleanup_commands=['cleanup_line_1', 'cleanup_line_2'])

        generated_json = yaml.load(utility.tropo_to_string(template_snippet))
        expected_json_2 = {
            "Fn::Base64": {"Fn::Join": [
                "\n", [
                    "#!/bin/fakesh",
                    'var_dec_line_1', 'var_dec_line_2',
                    "line1", "line2", "line3",
                    "line4", "line5", "line6",
                    'cleanup_line_1', 'cleanup_line_2'
                ]
            ]}}

        self.assertEqual(generated_json, expected_json_2)