heron/instance/tests/python/utils/topology_context_impl_unittest.py

#!/usr/bin/env python3
# -*- encoding: utf-8 -*-

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# pylint: disable=missing-docstring
import unittest

from heron.instance.src.python.utils.topology import TopologyContextImpl

import heron.instance.tests.python.utils.mock_generator as mock_generator
import heron.instance.tests.python.mock_protobuf as mock_protobuf

class TopologyContextImplTest(unittest.TestCase):
  def setUp(self):
    self.context = TopologyContextImpl(
      config={},
      topology=mock_protobuf.get_mock_topology(),
      task_to_component={},
      my_task_id="task_id",
      metrics_collector=None,
      topo_pex_path="path.to.pex")

  def test_task_hook(self):
    task_hook = mock_generator.MockTaskHook()
    self.assertFalse(len(self.context.task_hooks) > 0)
    self.context.add_task_hook(task_hook)
    self.assertTrue(len(self.context.task_hooks) > 0)

    self.context.invoke_hook_prepare()

    self.context.invoke_hook_emit(None, None, None)
    self.assertTrue(task_hook.emit_called)

    self.context.invoke_hook_spout_ack(None, 0.1)
    self.assertTrue(task_hook.spout_ack_called)

    self.context.invoke_hook_spout_fail(None, 0.1)
    self.assertTrue(task_hook.spout_fail_called)

    self.context.invoke_hook_bolt_execute(None, 0.1)
    self.assertTrue(task_hook.bolt_exec_called)

    self.context.invoke_hook_bolt_ack(None, 0.1)
    self.assertTrue(task_hook.bolt_ack_called)

    self.context.invoke_hook_bolt_fail(None, 0.1)
    self.assertTrue(task_hook.bolt_fail_called)