test_docker_execution.py

#!/usr/bin/env python
# vim: set fileencoding=utf-8 :

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# Copyright (c) 2016 Idiap Research Institute, http://www.idiap.ch/           #
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# Tests for experiment execution within Docker containers

import os

from ..dock import Host
from ..execution import DockerExecutor

from .utils import cleanup
from .utils import slow
from .utils import skipif

from .test_execution import BaseExecutionMixIn

from . import network_name
from . import DOCKER_NETWORK_TEST_ENABLED

#----------------------------------------------------------


class TestDockerExecution(BaseExecutionMixIn):

    @classmethod
    def setup_class(cls):
        cls.host = Host(raise_on_errors=False)


    @classmethod
    def teardown_class(cls):
        cls.host.teardown()
        cleanup()


    def teardown(self):
        self.host.teardown()


    def create_executor(self, prefix, configuration, tmp_prefix, dataformat_cache,
                        database_cache, algorithm_cache):
        executor = DockerExecutor(self.host, prefix, configuration, tmp_prefix,
                                  dataformat_cache, database_cache, algorithm_cache)

        executor.debug = os.environ.get("DOCKER_TEST_DEBUG", False) == "True"
        return executor


    @slow
    @skipif(not DOCKER_NETWORK_TEST_ENABLED, "Network test disabled")
    def test_custom_network(self):
        result = self.execute('user/user/integers_addition/1/integers_addition',
                [{'sum': 495, 'nb': 9}], network_name=network_name)

        assert result is None

    @slow
    def test_custom_port_range(self):
        result = self.execute('user/user/integers_addition/1/integers_addition',
                [{'sum': 495, 'nb': 9}], port_range="50000:50100")

        assert result is None

    @slow
    def test_single_1_prepare_error(self):
        result = self.execute('user/user/single/1/prepare_error', [None])

        assert result['status'] == 1
        assert result['user_error'] == "'Could not prepare algorithm (returned False)'"

    @slow
    def test_single_1_setup_error(self):
        result = self.execute('user/user/single/1/setup_error', [None])

        assert result['status'] == 1
        assert result['user_error'] == "'Could not setup algorithm (returned False)'"

    # NOT COMPATIBLE YET WITH THE NEW API
    # @slow
    # def test_cxx_double_1(self):
    #     assert self.execute('user/user/double/1/cxx_double', [{'out_data': 42}]) is None

    @slow
    def test_cxx_double_legacy(self):
        datasets_uid = os.getuid()
        result = self.execute('user/user/double/1/cxx_double_legacy', [{'out_data': 42}], datasets_uid=datasets_uid)
        assert result is None

    @slow
    def test_cxx_double_sequential(self):
        datasets_uid = os.getuid()
        assert self.execute('user/user/double/1/cxx_double_sequential', [{'out_data': 42}], datasets_uid=datasets_uid) is None

    @slow
    def test_cxx_double_autonomous(self):
        datasets_uid = os.getuid()
        assert self.execute('user/user/double/1/cxx_double_autonomous', [{'out_data': 42}], datasets_uid=datasets_uid) is None

    @slow
    def test_cxx_analyzer_error(self):
        datasets_uid = os.getuid()
        result = self.execute('user/user/double/1/cxx_analyzer_error', [{'out_data': 42}], datasets_uid=datasets_uid)

        assert result['status'] == 255
        assert "[sys] C++ algorithm can't be analyzers" in result['stderr']