# Copyright 2018 AT&T Intellectual Property.  All other rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import mock

from armada.handlers import test
from armada.handlers import tiller
from armada.tests.unit import base
from armada.tests.test_utils import AttrDict


class TestHandlerTestCase(base.ArmadaTestCase):

    def _test_test_release_for_success(self, expected_success, results):

        @mock.patch('armada.handlers.tiller.K8s')
        def do_test(_):
            tiller_obj = tiller.Tiller('host', '8080', None)
            release = 'release'

            tiller_obj.test_release = mock.Mock()
            tiller_obj.test_release.return_value = AttrDict(
                **{'results': results})

            test_handler = test.Test(release, tiller_obj)
            success = test_handler.test_release_for_success()

            self.assertEqual(expected_success, success)

        do_test()

    def test_no_results(self):
        self._test_test_release_for_success(True, [])

    def test_unknown(self):
        self._test_test_release_for_success(False, [
            AttrDict(**{'status': test.TESTRUN_STATUS_SUCCESS}),
            AttrDict(**{'status': test.TESTRUN_STATUS_UNKNOWN})
        ])

    def test_success(self):
        self._test_test_release_for_success(
            True, [AttrDict(**{'status': test.TESTRUN_STATUS_SUCCESS})])

    def test_failure(self):
        self._test_test_release_for_success(False, [
            AttrDict(**{'status': test.TESTRUN_STATUS_SUCCESS}),
            AttrDict(**{'status': test.TESTRUN_STATUS_FAILURE})
        ])

    def test_running(self):
        self._test_test_release_for_success(False, [
            AttrDict(**{'status': test.TESTRUN_STATUS_SUCCESS}),
            AttrDict(**{'status': test.TESTRUN_STATUS_RUNNING})
        ])

    def test_cg_disabled(self):
        """Test that tests are disabled when a chart group disables all
        tests.
        """
        test_handler = test.Test(
            release_name='release', tiller=mock.Mock(), cg_test_charts=False)

        assert test_handler.test_enabled is False

    def test_cg_disabled_test_key_enabled(self):
        """Test that tests are enabled when a chart group disables all
        tests and the deprecated, boolean `test` key is enabled.
        """
        test_handler = test.Test(
            release_name='release',
            tiller=mock.Mock(),
            cg_test_charts=False,
            test_values=True)

        assert test_handler.test_enabled is True

    def test_cg_disabled_test_values_enabled(self):
        """Test that tests are enabled when a chart group disables all
        tests and the `test.enabled` key is False.
        """
        test_values = {'enabled': True}

        test_handler = test.Test(
            release_name='release',
            tiller=mock.Mock(),
            cg_test_charts=False,
            test_values=test_values)

        assert test_handler.test_enabled is True

    def test_cg_enabled_test_key_disabled(self):
        """Test that tests are disabled when a chart group enables all
        tests and the deprecated, boolean `test` key is disabled.
        """
        test_handler = test.Test(
            release_name='release',
            tiller=mock.Mock(),
            cg_test_charts=True,
            test_values=False)

        assert test_handler.test_enabled is False

    def test_cg_enabled_test_values_disabled(self):
        """Test that tests are disabled when a chart group enables all
        tests and the deprecated, boolean `test` key is disabled.
        """
        test_values = {'enabled': False}

        test_handler = test.Test(
            release_name='release',
            tiller=mock.Mock(),
            cg_test_charts=True,
            test_values=test_values)

        assert test_handler.test_enabled is False

    def test_enable_all_cg_disabled(self):
        """Test that tests are enabled when the `enable_all` parameter is
        True and the chart group `test_enabled` key is disabled.
        """
        test_handler = test.Test(
            release_name='release',
            tiller=mock.Mock(),
            cg_test_charts=False,
            enable_all=True)

        assert test_handler.test_enabled is True

    def test_enable_all_test_key_disabled(self):
        """Test that tests are enabled when the `enable_all` parameter is
        True and the deprecated, boolean `test` key is disabled.
        """
        test_handler = test.Test(
            release_name='release',
            tiller=mock.Mock(),
            enable_all=True,
            test_values=False)

        assert test_handler.test_enabled is True

    def test_enable_all_test_values_disabled(self):
        """Test that tests are enabled when the `enable_all` parameter is
        True and the `test.enabled` key is False.
        """
        test_values = {'enabled': False}

        test_handler = test.Test(
            release_name='release',
            tiller=mock.Mock(),
            enable_all=True,
            test_values=test_values)

        assert test_handler.test_enabled is True

    def test_deprecated_test_key_false(self):
        """Test that tests can be disabled using the deprecated, boolean value
        for a chart's test key.
        """
        test_handler = test.Test(
            release_name='release', tiller=mock.Mock(), test_values=True)

        assert test_handler.test_enabled

    def test_deprecated_test_key_true(self):
        """Test that cleanup is enabled by default when tests are enabled using
        the deprecated, boolean value for a chart's `test` key.
        """
        test_handler = test.Test(
            release_name='release', tiller=mock.Mock(), test_values=True)

        assert test_handler.test_enabled is True
        assert test_handler.cleanup is True

    def test_tests_disabled(self):
        """Test that tests are disabled by a chart's values using the
        `test.enabled` path.
        """
        test_values = {'enabled': False}
        test_handler = test.Test(
            release_name='release',
            tiller=mock.Mock(),
            test_values=test_values)

        assert test_handler.test_enabled is False

    def test_tests_enabled(self):
        """Test that cleanup is disabled (by default) when tests are enabled by
        a chart's values using the `test.enabled` path.
        """
        test_values = {'enabled': True}
        test_handler = test.Test(
            release_name='release',
            tiller=mock.Mock(),
            test_values=test_values)

        assert test_handler.test_enabled is True
        assert test_handler.cleanup is False

    def test_tests_enabled_cleanup_enabled(self):
        """Test that the test handler uses the values provided by a chart's
        `test` key.
        """
        test_values = {'enabled': True, 'options': {'cleanup': True}}

        test_handler = test.Test(
            release_name='release',
            tiller=mock.Mock(),
            test_values=test_values)

        assert test_handler.test_enabled is True
        assert test_handler.cleanup is True

    def test_tests_enabled_cleanup_disabled(self):
        """Test that the test handler uses the values provided by a chart's
        `test` key.
        """
        test_values = {'enabled': True, 'options': {'cleanup': False}}

        test_handler = test.Test(
            release_name='release',
            tiller=mock.Mock(),
            test_values=test_values)

        assert test_handler.test_enabled is True
        assert test_handler.cleanup is False

    def test_no_test_values(self):
        """Test that the default values are enforced when no chart `test`
        values are provided (i.e. tests are enabled and cleanup is disabled).
        """
        test_handler = test.Test(release_name='release', tiller=mock.Mock())

        assert test_handler.test_enabled is True
        assert test_handler.cleanup is False

    def test_override_cleanup(self):
        """Test that a cleanup value passed to the Test handler (i.e. from the
        API/CLI) takes precedence over a chart's `test.cleanup` value.
        """
        test_values = {'enabled': True, 'options': {'cleanup': False}}

        test_handler = test.Test(
            release_name='release',
            tiller=mock.Mock(),
            cleanup=True,
            test_values=test_values)

        assert test_handler.test_enabled is True
        assert test_handler.cleanup is True