#    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.

from rally.verification.tempest import diff
from tests.unit import test


class DiffTestCase(test.TestCase):

    def test_main(self):
        results1 = {"test.NONE": {"name": "test.NONE",
                                  "output": "test.NONE",
                                  "status": "SKIPPED",
                                  "time": 0.000},
                    "test.zerofive": {"name": "test.zerofive",
                                      "output": "test.zerofive",
                                      "status": "FAILED",
                                      "time": 0.05},
                    "test.one": {"name": "test.one",
                                 "output": "test.one",
                                 "status": "OK",
                                 "time": 0.111},
                    "test.two": {"name": "test.two",
                                 "output": "test.two",
                                 "status": "OK",
                                 "time": 0.222},
                    "test.three": {"name": "test.three",
                                   "output": "test.three",
                                   "status": "FAILED",
                                   "time": 0.333},
                    "test.four": {"name": "test.four",
                                  "output": "test.four",
                                  "status": "OK",
                                  "time": 0.444},
                    "test.five": {"name": "test.five",
                                  "output": "test.five",
                                  "status": "OK",
                                  "time": 0.555}
                    }

        results2 = {"test.one": {"name": "test.one",
                                 "output": "test.one",
                                 "status": "FAIL",
                                 "time": 0.1111},
                    "test.two": {"name": "test.two",
                                 "output": "test.two",
                                 "status": "OK",
                                 "time": 0.222},
                    "test.three": {"name": "test.three",
                                   "output": "test.three",
                                   "status": "OK",
                                   "time": 0.3333},
                    "test.four": {"name": "test.four",
                                  "output": "test.four",
                                  "status": "FAIL",
                                  "time": 0.4444},
                    "test.five": {"name": "test.five",
                                  "output": "test.five",
                                  "status": "OK",
                                  "time": 0.555},
                    "test.six": {"name": "test.six",
                                 "output": "test.six",
                                 "status": "OK",
                                 "time": 0.666},
                    "test.seven": {"name": "test.seven",
                                   "output": "test.seven",
                                   "status": "OK",
                                   "time": 0.777}
                    }

        diff_ = diff.Diff(results1, results2, 0)
        assert len(diff_.diffs) == 10
        assert len([test for test in diff_.diffs
                   if test["type"] == "removed_test"]) == 2
        assert len([test for test in diff_.diffs
                   if test["type"] == "new_test"]) == 2
        assert len([test for test in diff_.diffs
                   if test["type"] == "value_changed"]) == 6
        assert diff_.to_csv() != ""
        assert diff_.to_html() != ""
        assert diff_.to_json() != ""

    def test_zero_values(self):
        results1 = {"test.one": {"name": "test.one",
                                 "output": "test.one",
                                 "status": "OK",
                                 "time": 1}}

        results2 = {"test.one": {"name": "test.one",
                                 "output": "test.one",
                                 "status": "FAIL",
                                 "time": 0}}

        # This must NOT raise ZeroDivisionError
        diff_ = diff.Diff(results1, results2, 0)
        self.assertEqual(2, len(diff_.diffs))
        diff_ = diff.Diff(results2, results1, 0)
        self.assertEqual(2, len(diff_.diffs))