# Copyright 2018 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

"""Tests for precq exonerating code."""

from __future__ import absolute_import
from __future__ import division
from __future__ import print_function

import pytest

from exonerator import gerrit_precq
from exonerator import gerrit_cq_test


REMOVED_BY_HUMAN = 'Trybot-Ready_removed_by_human_*.json'
REMOVED_BY_BOT = 'Trybot-Ready_removed_by_bot_*.json'
READY = 'precq_ready_for_exoneration_*.json'
NOT_READY = 'precq_not_ready_for_exoneration_*.json'

GlobChangeDetails = gerrit_cq_test.GlobChangeDetails


# pylint: disable=protected-access
@pytest.mark.parametrize('change_details', GlobChangeDetails(READY))
def TestReady(change_details):
  """Test cases that are ready to exonerate."""
  # Pass 99 in as the "known_patch_number" - this will work as long as
  # known_patch_number is greater-or-equal to the largest patch number in
  # change_details.
  assert bool(gerrit_precq._LabelIfShouldExonerate(change_details, 99))


@pytest.mark.parametrize('change_details', GlobChangeDetails(NOT_READY))
def TestNotReady(change_details):
  """Test cases that are not ready to exonerate."""
  # Pass 99 in as the "known_patch_number" - this will work as long as
  # known_patch_number is greater-or-equal to the largest patch number in
  # change_details.
  assert gerrit_precq._LabelIfShouldExonerate(change_details, 99) is None


@pytest.mark.parametrize('change_details', GlobChangeDetails(REMOVED_BY_HUMAN))
def TestRemovedByHuman(change_details):
  """If the Trybot-Ready label was removed by a human, don't exonerate."""
  assert not gerrit_precq._LabelToReapply(change_details)
  assert not gerrit_precq._LabelIfShouldExonerate(change_details, 99)


@pytest.mark.parametrize('change_details', GlobChangeDetails(REMOVED_BY_BOT))
def TestRemovedByBot(change_details):
  """If the Trybot-Ready label was removed by a bot, can exonerate."""
  assert gerrit_precq._LabelToReapply(change_details)
  assert gerrit_precq._LabelIfShouldExonerate(change_details, 99)