How to use the foremast.pipeline.SpinnakerPipeline function in foremast

def spinnaker_pipeline(mock_os, mock_get_details, mock_get_prop):
    """Sets up pipeline fixture object"""
    mock_get_prop.return_value = TEST_SETTINGS
    pipelineObj = SpinnakerPipeline(
        app='appgroup',
        trigger_job='a_group_app', )
    pipelineObj.generated = TEST_FORMAT_GENERATOR
    pipelineObj.app_name = 'appgroup'
    pipelineObj.group_name = 'group'
    return pipelineObj

@mock.patch.object(SpinnakerPipeline, 'render_wrapper')
@mock.patch('foremast.pipeline.create_pipeline.get_subnets')
@mock.patch('foremast.pipeline.create_pipeline.construct_pipeline_block')
@mock.patch('foremast.pipeline.create_pipeline.renumerate_stages')
@mock.patch.object(SpinnakerPipeline, 'post_pipeline')
def test_create_pipeline_ec2(mock_post, mock_renumerate, mock_construct, mock_subnets, mock_wrapper, mock_clean,
                             spinnaker_pipeline):
    """test pipeline creation if ec2 pipeline."""
    test_block_data = {
        "env": "dev",
        "generated": TEST_FORMAT_GENERATOR,
        "previous_env": None,
        "region": "us-east-1",
        "settings": spinnaker_pipeline.settings["dev"]["us-east-1"],
        "pipeline_data": spinnaker_pipeline.settings['pipeline'],
        "region_subnets": {
            'us-east-1': ['us-east-1d', 'us-east-1a', 'us-east-1e']

if pipeline_type not in consts.ALLOWED_TYPES and pipeline_type not in consts.MANUAL_TYPES:
            raise NotImplementedError('Pipeline type "{0}" not permitted.'.format(pipeline_type))

        if not onetime:
            if pipeline_type == 'lambda':
                spinnakerpipeline = pipeline.SpinnakerPipelineLambda(**kwargs)
            elif pipeline_type == 's3':
                spinnakerpipeline = pipeline.SpinnakerPipelineS3(**kwargs)
            elif pipeline_type == 'datapipeline':
                spinnakerpipeline = pipeline.SpinnakerPipelineDataPipeline(**kwargs)
            elif pipeline_type in consts.MANUAL_TYPES:
                spinnakerpipeline = pipeline.SpinnakerPipelineManual(**kwargs)
            else:
                # Handles all other pipelines
                spinnakerpipeline = pipeline.SpinnakerPipeline(**kwargs)
        else:
            spinnakerpipeline = pipeline.SpinnakerPipelineOnetime(onetime=onetime, **kwargs)

        spinnakerpipeline.create_pipeline()

def create_pipeline(self, onetime=None):
        """ Creates the spinnaker pipeline """
        utils.banner("Creating Pipeline")
        if not onetime:
            spinnakerpipeline = pipeline.SpinnakerPipeline(
                app=self.app,
                trigger_job=self.trigger_job,
                prop_path=self.json_path,
                base=None,
                token_file=self.gitlab_token_path)
        else:
            spinnakerpipeline = pipeline.SpinnakerPipelineOnetime(
                app=self.app,
                trigger_job=self.trigger_job,
                prop_path=self.json_path,
                base=None,
                token_file=self.gitlab_token_path,
                onetime=onetime)

        spinnakerpipeline.create_pipeline()