# -*- coding: utf-8 -*-
# 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.

"""Unittests for buildstore library."""

from __future__ import print_function

import mock

from chromite.lib import cidb
from chromite.lib import constants
from chromite.lib import cros_test_lib
from chromite.lib import buildstore
from chromite.lib import buildbucket_v2

BuildStore = buildstore.BuildStore


class TestBuildStore(cros_test_lib.MockTestCase):
  """Test buildstore.BuildStore."""

  def testIsCIDBClientMissing(self):
    """Tests _IsCIDBClientMissing function."""
    # pylint: disable=protected-access
    # Test CIDB needed and client missing.
    bs = BuildStore(_read_from_bb=False, _write_to_cidb=True)
    self.assertEqual(bs._IsCIDBClientMissing(), True)
    bs = BuildStore(_read_from_bb=True, _write_to_cidb=True)
    self.assertEqual(bs._IsCIDBClientMissing(), True)
    bs = BuildStore(_read_from_bb=False, _write_to_cidb=False)
    self.assertEqual(bs._IsCIDBClientMissing(), True)
    # Test CIDB is needed and client is up and running.
    bs = BuildStore(_read_from_bb=False, _write_to_cidb=True)
    bs.cidb_conn = object()
    self.assertEqual(bs._IsCIDBClientMissing(), False)
    bs = BuildStore(_read_from_bb=True, _write_to_cidb=True)
    bs.cidb_conn = object()
    self.assertEqual(bs._IsCIDBClientMissing(), False)
    bs = BuildStore(_read_from_bb=False, _write_to_cidb=False)
    bs.cidb_conn = object()
    self.assertEqual(bs._IsCIDBClientMissing(), False)
    # Test CIDB is not needed.
    bs = BuildStore(_read_from_bb=True, _write_to_cidb=False)
    self.assertEqual(bs._IsCIDBClientMissing(), False)

  def testIsBuildbucketClientMissing(self):
    """Tests _IsBuildbucketClientMissing function."""
    # pylint: disable=protected-access
    # Test Buildbucket needed and client missing.
    bs = BuildStore(_read_from_bb=True, _write_to_bb=True)
    self.assertEqual(bs._IsBuildbucketClientMissing(), True)
    bs = BuildStore(_read_from_bb=True, _write_to_bb=False)
    self.assertEqual(bs._IsBuildbucketClientMissing(), True)
    bs = BuildStore(_read_from_bb=False, _write_to_bb=True)
    self.assertEqual(bs._IsBuildbucketClientMissing(), True)
    # Test Buildbucket is needed and client is up and running.
    bs = BuildStore(_read_from_bb=True, _write_to_bb=True)
    bs.bb_client = object()
    self.assertEqual(bs._IsBuildbucketClientMissing(), False)
    bs = BuildStore(_read_from_bb=False, _write_to_bb=True)
    bs.bb_client = object()
    self.assertEqual(bs._IsBuildbucketClientMissing(), False)
    bs = BuildStore(_read_from_bb=True, _write_to_bb=False)
    bs.bb_client = object()
    self.assertEqual(bs._IsBuildbucketClientMissing(), False)
    # Test Buildbucket is not needed.
    bs = BuildStore(_read_from_bb=False, _write_to_bb=False)
    self.assertEqual(bs._IsBuildbucketClientMissing(), False)

  def testInitializeClientsWithCIDBSetup(self):
    """Tests InitializeClients with mock CIDB."""

    class DummyCIDBConnection(object):
      """Dummy class representing CIDBConnection."""

    # With CIDB setup, cidb_conn is populated.
    self.PatchObject(cidb.CIDBConnectionFactory, 'IsCIDBSetup',
                     return_value=True)
    mock_cidb = DummyCIDBConnection()
    self.PatchObject(cidb.CIDBConnectionFactory,
                     'GetCIDBConnectionForBuilder',
                     return_value=mock_cidb)
    bs = BuildStore()
    result = bs.InitializeClients()
    self.assertEqual(bs.cidb_conn, mock_cidb)
    self.assertEqual(result, True)

  def testInitializeClientsWithoutCIDBSetup(self):
    """Tests InitializeClients with mock CIDB."""

    self.PatchObject(cidb.CIDBConnectionFactory, 'IsCIDBSetup',
                     return_value=False)
    bs = BuildStore()
    self.assertEqual(bs.InitializeClients(), False)

  def testInitializeClientsWhenCIDBIsNotNeeded(self):
    """Test InitializeClients without CIDB requirement."""
    bs = BuildStore(_read_from_bb=True, _write_to_cidb=False)
    bs.cidb_conn = None
    self.PatchObject(BuildStore, '_IsBuildbucketClientMissing',
                     return_value=False)
    # Does not raise exception.
    self.assertEqual(bs.InitializeClients(), True)

  def testInitializeClientsWithBuildbucketSetup(self):
    """Tests InitializeClients with mock Buildbucket."""
    bs = BuildStore()
    self.PatchObject(bs, '_IsCIDBClientMissing',
                     return_value=False)
    result = bs.InitializeClients()
    self.assertTrue(isinstance(bs.bb_client, buildbucket_v2.BuildbucketV2))
    self.assertEqual(result, True)

  def testInitializeClientsWhenBuildbucketIsNotNeeded(self):
    """Test InitializeClients without Buildbucket requirement."""
    bs = BuildStore(_read_from_bb=False, _write_to_bb=False)
    self.PatchObject(BuildStore, '_IsCIDBClientMissing',
                     return_value=False)
    # Does not raise exception.
    self.assertEqual(bs.InitializeClients(), True)

  def testInsertBuild(self):
    """Tests the redirect for InsertBuild function."""
    self.PatchObject(BuildStore, 'InitializeClients',
                     return_value=True)
    # Test CIDB redirect.
    bs = BuildStore(_write_to_cidb=True, _write_to_bb=False)
    bs.cidb_conn = mock.MagicMock()
    self.PatchObject(bs.cidb_conn, 'InsertBuild',
                     return_value=constants.MOCK_BUILD_ID)
    build_id = bs.InsertBuild(
        'builder_name', 12345,
        'something-paladin', 'bot_hostname', master_build_id='master_id',
        timeout_seconds='timeout')
    bs.cidb_conn.InsertBuild.assert_called_once_with(
        'builder_name', 12345, 'something-paladin', 'bot_hostname',
        'master_id', 'timeout', None, None, None)
    self.assertEqual(build_id, constants.MOCK_BUILD_ID)
    # Test Buildbucket redirect.
    bs = BuildStore(_write_to_cidb=False, _write_to_bb=True)
    bs.bb_client = mock.MagicMock()
    self.PatchObject(buildbucket_v2, 'UpdateSelfCommonBuildProperties')
    build_id = bs.InsertBuild(
        'builder_name', 12345,
        'something-paladin', 'bot_hostname', important=True,
        timeout_seconds='timeout')
    buildbucket_v2.UpdateSelfCommonBuildProperties.assert_called_once_with(
        critical=True)
    self.assertEqual(build_id, 0)

  def testInsertBuildStage(self):
    """Tests the redirect for InsertBuildStage function."""
    init = self.PatchObject(BuildStore, 'InitializeClients',
                            return_value=True)
    bs = BuildStore()
    bs.cidb_conn = mock.MagicMock()
    self.PatchObject(bs.cidb_conn, 'InsertBuildStage',
                     return_value=constants.MOCK_STAGE_ID)
    build_stage_id = bs.InsertBuildStage(
        constants.MOCK_BUILD_ID, 'stage_name')
    bs.cidb_conn.InsertBuildStage.assert_called_once_with(
        constants.MOCK_BUILD_ID, 'stage_name', None,
        constants.BUILDER_STATUS_PLANNED)
    self.assertEqual(build_stage_id, constants.MOCK_STAGE_ID)
    init.return_value = False
    with self.assertRaises(buildstore.BuildStoreException):
      bs.InsertBuildStage(constants.MOCK_BUILD_ID, 'stage_name')

  def testStartBuildStage(self):
    """Tests the redirect for StartBuildStage function."""
    init = self.PatchObject(BuildStore, 'InitializeClients',
                            return_value=True)
    bs = BuildStore()
    bs.cidb_conn = mock.MagicMock()
    stage_id = mock.Mock()
    self.PatchObject(bs.cidb_conn, 'StartBuildStage', return_value=stage_id)
    ret = bs.StartBuildStage(constants.MOCK_BUILD_ID)
    bs.cidb_conn.StartBuildStage.assert_called_once_with(
        constants.MOCK_BUILD_ID)
    self.assertEqual(ret, stage_id)
    init.return_value = False
    with self.assertRaises(buildstore.BuildStoreException):
      bs.StartBuildStage(constants.MOCK_BUILD_ID)

  def testWaitBuildStage(self):
    """Tests the redirect for WaitBuildStage function."""
    init = self.PatchObject(BuildStore, 'InitializeClients',
                            return_value=True)
    bs = BuildStore()
    bs.cidb_conn = mock.MagicMock()
    stage_id = mock.Mock()
    self.PatchObject(bs.cidb_conn, 'WaitBuildStage', return_value=stage_id)
    ret = bs.WaitBuildStage(constants.MOCK_BUILD_ID)
    bs.cidb_conn.WaitBuildStage.assert_called_once_with(
        constants.MOCK_BUILD_ID)
    self.assertEqual(ret, stage_id)
    init.return_value = False
    with self.assertRaises(buildstore.BuildStoreException):
      bs.WaitBuildStage(constants.MOCK_BUILD_ID)

  def testFinishBuildStage(self):
    """Tests the redirect for FinishBuildStage function."""
    init = self.PatchObject(BuildStore, 'InitializeClients',
                            return_value=True)
    bs = BuildStore()
    bs.cidb_conn = mock.MagicMock()
    stage_id = mock.Mock()
    self.PatchObject(bs.cidb_conn, 'FinishBuildStage', return_value=stage_id)
    ret = bs.FinishBuildStage(constants.MOCK_BUILD_ID, 'status')
    bs.cidb_conn.FinishBuildStage.assert_called_once_with(
        constants.MOCK_BUILD_ID, 'status')
    self.assertEqual(ret, stage_id)
    init.return_value = False
    with self.assertRaises(buildstore.BuildStoreException):
      bs.FinishBuildStage(constants.MOCK_BUILD_ID, 'status')

  def testInsertFailure(self):
    """Tests the redirect for InsertFailure function."""
    init = self.PatchObject(BuildStore, 'InitializeClients',
                            return_value=True)
    bs = BuildStore()
    bs.cidb_conn = mock.MagicMock()
    self.PatchObject(bs.cidb_conn, 'InsertFailure')
    bs.InsertFailure(
        constants.MOCK_STAGE_ID, 'error_type', 'SomethingFailedException')
    bs.cidb_conn.InsertFailure.assert_called_once_with(
        constants.MOCK_STAGE_ID, 'error_type', 'SomethingFailedException',
        constants.EXCEPTION_CATEGORY_UNKNOWN, None, None)
    init.return_value = False
    with self.assertRaises(buildstore.BuildStoreException):
      bs.InsertFailure(constants.MOCK_STAGE_ID, 'error_type',
                       'SomethingFailedException')

  def testFinishBuild(self):
    """Tests the redirect for FinishBuild function."""
    init = self.PatchObject(BuildStore, 'InitializeClients',
                            return_value=True)
    bs = BuildStore()
    bs.cidb_conn = mock.MagicMock()
    status = mock.Mock()
    summary = mock.Mock()
    metadata_url = mock.Mock()
    strict = mock.Mock()
    self.PatchObject(bs.cidb_conn, 'FinishBuild')
    bs.FinishBuild(constants.MOCK_BUILD_ID, status=status, summary=summary,
                   metadata_url=metadata_url, strict=strict)
    bs.cidb_conn.FinishBuild.assert_called_once_with(
        constants.MOCK_BUILD_ID, status=status, summary=summary,
        metadata_url=metadata_url, strict=strict)
    init.return_value = False
    with self.assertRaises(buildstore.BuildStoreException):
      bs.FinishBuild(constants.MOCK_BUILD_ID, status=status, summary=summary,
                     metadata_url=metadata_url, strict=strict)

  def testFinishChildConfig(self):
    """Tests the redirect for FinishChildConfig function."""
    init = self.PatchObject(BuildStore, 'InitializeClients',
                            return_value=True)
    bs = BuildStore()
    bs.cidb_conn = mock.MagicMock()
    child_config = mock.Mock()
    status = mock.Mock()
    self.PatchObject(bs.cidb_conn, 'FinishChildConfig')
    bs.FinishChildConfig(constants.MOCK_BUILD_ID, child_config, status=status)
    bs.cidb_conn.FinishChildConfig.assert_called_once_with(
        constants.MOCK_BUILD_ID, child_config, status=status)
    init.return_value = False
    with self.assertRaises(buildstore.BuildStoreException):
      bs.FinishChildConfig(constants.MOCK_BUILD_ID, child_config, status=status)

  def testUpdateMetadata(self):
    """Tests the redirect for UpdateMetadata function."""
    init = self.PatchObject(BuildStore, 'InitializeClients',
                            return_value=True)
    bs = BuildStore(_write_to_cidb=True, _write_to_bb=False)
    bs.cidb_conn = mock.MagicMock()
    fake_metadata = {}
    self.PatchObject(bs.cidb_conn, 'UpdateMetadata')
    bs.UpdateMetadata(constants.MOCK_BUILD_ID, fake_metadata)
    bs.cidb_conn.UpdateMetadata.assert_called_once_with(
        constants.MOCK_BUILD_ID, fake_metadata)
    bs = BuildStore(_write_to_cidb=False, _write_to_bb=True)
    self.PatchObject(buildbucket_v2, 'UpdateBuildMetadata')
    bs.UpdateMetadata(constants.MOCK_BUILD_ID, fake_metadata)
    buildbucket_v2.UpdateBuildMetadata.assert_called_once_with(fake_metadata)
    init.return_value = False
    with self.assertRaises(buildstore.BuildStoreException):
      bs.UpdateMetadata(constants.MOCK_BUILD_ID, fake_metadata)

  def testGetBuildsFailures(self):
    """Tests the redirect for GetBuildsFailures function."""
    init = self.PatchObject(BuildStore, 'InitializeClients',
                            return_value=True)
    bs = BuildStore()
    bs.cidb_conn = mock.MagicMock()
    buildbucket_ids = ['bucket 1', 'bucket 2']
    # Test for buildbucket_ids.
    bs.GetBuildsFailures(buildbucket_ids=buildbucket_ids)
    bs.cidb_conn.GetBuildsFailures.assert_called_once_with(
        buildbucket_ids)
    # Test for empty argument.
    self.assertEqual(bs.GetBuildsFailures([]), [])
    init.return_value = False
    with self.assertRaises(buildstore.BuildStoreException):
      bs.GetBuildsFailures(buildbucket_ids=buildbucket_ids)

  def testGetBuildsStages(self):
    """Tests the redirect for GetBuildsStages function."""
    init = self.PatchObject(BuildStore, 'InitializeClients',
                            return_value=True)
    bs = BuildStore()
    bs.cidb_conn = mock.MagicMock()
    build_ids = ['build 1', 'build 2']
    buildbucket_ids = ['bucket 1', 'bucket 2']
    # Test for buildbucket_ids.
    bs.GetBuildsStages(buildbucket_ids=buildbucket_ids)
    bs.cidb_conn.GetBuildsStagesWithBuildbucketIds.assert_called_once_with(
        buildbucket_ids)
    # Test for build_ids.
    bs.GetBuildsStages(build_ids=build_ids)
    bs.cidb_conn.GetBuildsStages.assert_called_once_with(build_ids)
    # Test for neither arguments.
    self.assertEqual(bs.GetBuildsStages(), [])
    init.return_value = False
    with self.assertRaises(buildstore.BuildStoreException):
      bs.GetBuildsStages(build_ids=build_ids)

  def testExtendDeadline(self):
    """Tests the redirect for ExtendDeadline function."""
    init = self.PatchObject(BuildStore, 'InitializeClients',
                            return_value=True)
    bs = BuildStore()
    bs.cidb_conn = mock.MagicMock()
    mock_timeout = mock.Mock()
    self.PatchObject(bs.cidb_conn, 'ExtendDeadline')
    bs.ExtendDeadline(constants.MOCK_BUILD_ID, mock_timeout)
    bs.cidb_conn.ExtendDeadline.assert_called_once_with(
        constants.MOCK_BUILD_ID, mock_timeout)
    init.return_value = False
    with self.assertRaises(buildstore.BuildStoreException):
      bs.ExtendDeadline(constants.MOCK_BUILD_ID, mock_timeout)

  def testGetBuildStatuses(self):
    """Tests the redirect for GetBuildStatuses function."""
    init = self.PatchObject(BuildStore, 'InitializeClients',
                            return_value=True)
    bs = BuildStore()
    bs.cidb_conn = mock.MagicMock()
    build_ids = ['build 1', 'build 2']
    buildbucket_ids = ['bucket 1', 'bucket 2']
    # Test for buildbucket_ids.
    bs.GetBuildStatuses(buildbucket_ids)
    bs.cidb_conn.GetBuildStatusesWithBuildbucketIds.assert_called_once_with(
        buildbucket_ids)
    # Test for build_ids.
    bs.GetBuildStatuses(build_ids=build_ids)
    bs.cidb_conn.GetBuildStatuses.assert_called_once_with(build_ids)
    # Test for neither arguments.
    self.assertEqual(bs.GetBuildStatuses(), [])
    init.return_value = False
    with self.assertRaises(buildstore.BuildStoreException):
      bs.GetBuildStatuses(build_ids=build_ids)