# Copyright 2014 Mirantis Inc.
# All 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 ddt
from tempest import config
from tempest.lib.common.utils import data_utils
from tempest.lib import exceptions as lib_exc
import testtools
from testtools import testcase as tc

from manila_tempest_tests.tests.api import base
from manila_tempest_tests import utils

CONF = config.CONF
PRE_SHARE_GROUPS_MICROVERSION = "2.39"
SHARE_GROUPS_MICROVERSION = "2.40"


@ddt.ddt
class SharesAdminQuotasTest(base.BaseSharesAdminTest):

    @classmethod
    def resource_setup(cls):
        if not CONF.share.run_quota_tests:
            msg = "Quota tests are disabled."
            raise cls.skipException(msg)
        super(SharesAdminQuotasTest, cls).resource_setup()
        cls.user_id = cls.shares_v2_client.user_id
        cls.tenant_id = cls.shares_v2_client.tenant_id
        # create share type
        cls.share_type = cls._create_share_type()
        cls.share_type_id = cls.share_type['id']

    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    def test_default_quotas(self):
        quotas = self.shares_v2_client.default_quotas(self.tenant_id)
        self.assertGreater(int(quotas["gigabytes"]), -2)
        self.assertGreater(int(quotas["snapshot_gigabytes"]), -2)
        self.assertGreater(int(quotas["shares"]), -2)
        self.assertGreater(int(quotas["snapshots"]), -2)
        self.assertGreater(int(quotas["share_networks"]), -2)
        if utils.is_microversion_supported(SHARE_GROUPS_MICROVERSION):
            self.assertGreater(int(quotas["share_groups"]), -2)
            self.assertGreater(int(quotas["share_group_snapshots"]), -2)

    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    def test_show_quotas(self):
        quotas = self.shares_v2_client.show_quotas(self.tenant_id)
        self.assertGreater(int(quotas["gigabytes"]), -2)
        self.assertGreater(int(quotas["snapshot_gigabytes"]), -2)
        self.assertGreater(int(quotas["shares"]), -2)
        self.assertGreater(int(quotas["snapshots"]), -2)
        self.assertGreater(int(quotas["share_networks"]), -2)
        if utils.is_microversion_supported(SHARE_GROUPS_MICROVERSION):
            self.assertGreater(int(quotas["share_groups"]), -2)
            self.assertGreater(int(quotas["share_group_snapshots"]), -2)

    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    def test_show_quotas_for_user(self):
        quotas = self.shares_v2_client.show_quotas(
            self.tenant_id, self.user_id)
        self.assertGreater(int(quotas["gigabytes"]), -2)
        self.assertGreater(int(quotas["snapshot_gigabytes"]), -2)
        self.assertGreater(int(quotas["shares"]), -2)
        self.assertGreater(int(quotas["snapshots"]), -2)
        self.assertGreater(int(quotas["share_networks"]), -2)
        if utils.is_microversion_supported(SHARE_GROUPS_MICROVERSION):
            self.assertGreater(int(quotas["share_groups"]), -2)
            self.assertGreater(int(quotas["share_group_snapshots"]), -2)

    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    @base.skip_if_microversion_not_supported(PRE_SHARE_GROUPS_MICROVERSION)
    def test_show_sg_quotas_using_too_old_microversion(self):
        quotas = self.shares_v2_client.show_quotas(
            self.tenant_id, version=PRE_SHARE_GROUPS_MICROVERSION)

        for key in ('share_groups', 'share_group_snapshots'):
            self.assertNotIn(key, quotas)

    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    @base.skip_if_microversion_not_supported(PRE_SHARE_GROUPS_MICROVERSION)
    def test_show_sg_quotas_for_user_using_too_old_microversion(self):
        quotas = self.shares_v2_client.show_quotas(
            self.tenant_id, self.user_id,
            version=PRE_SHARE_GROUPS_MICROVERSION)

        for key in ('share_groups', 'share_group_snapshots'):
            self.assertNotIn(key, quotas)

    @ddt.data(
        ('id', True),
        ('name', False),
    )
    @ddt.unpack
    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    @base.skip_if_microversion_lt("2.39")
    def test_show_share_type_quotas(self, share_type_key, is_st_public):
        # Create share type
        share_type = self.create_share_type(
            data_utils.rand_name("tempest-manila"),
            is_public=is_st_public,
            cleanup_in_class=False,
            extra_specs=self.add_extra_specs_to_dict(),
        )
        if 'share_type' in share_type:
            share_type = share_type['share_type']

        # Get current project quotas
        p_quotas = self.shares_v2_client.show_quotas(self.tenant_id)

        # Get current quotas
        st_quotas = self.shares_v2_client.show_quotas(
            self.tenant_id, share_type=share_type[share_type_key])

        # Share type quotas have values equal to project's
        for key in ('shares', 'gigabytes', 'snapshots', 'snapshot_gigabytes'):
            self.assertEqual(st_quotas[key], p_quotas[key])

        # Verify that we do not have share groups related quotas
        # for share types.
        for key in ('share_groups', 'share_group_snapshots'):
            self.assertNotIn(key, st_quotas)


@ddt.ddt
class SharesAdminQuotasUpdateTest(base.BaseSharesAdminTest):

    force_tenant_isolation = True

    @classmethod
    def resource_setup(cls):
        if not CONF.share.run_quota_tests:
            msg = "Quota tests are disabled."
            raise cls.skipException(msg)
        super(SharesAdminQuotasUpdateTest, cls).resource_setup()
        # create share type
        cls.share_type = cls._create_share_type()
        cls.share_type_id = cls.share_type['id']
        # create share group type
        cls.share_group_type = cls._create_share_group_type()
        cls.share_group_type_id = cls.share_group_type['id']

    def setUp(self):
        super(self.__class__, self).setUp()
        self.client = self.get_client_with_isolated_creds(client_version='2')
        self.tenant_id = self.client.tenant_id
        self.user_id = self.client.user_id

    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    def test_update_tenant_quota_shares(self):
        # get current quotas
        quotas = self.client.show_quotas(self.tenant_id)
        new_quota = int(quotas["shares"]) + 2

        # set new quota for shares
        updated = self.client.update_quotas(self.tenant_id, shares=new_quota)
        self.assertEqual(new_quota, int(updated["shares"]))

    @ddt.data(
        "share_groups",
        "share_group_snapshots",
    )
    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    @testtools.skipUnless(
        CONF.share.run_share_group_tests, 'Share Group tests disabled.')
    @utils.skip_if_microversion_not_supported(SHARE_GROUPS_MICROVERSION)
    def test_update_tenant_quota_share_groups(self, quota_key):
        # Get current quotas
        quotas = self.client.show_quotas(self.tenant_id)
        new_quota = int(quotas[quota_key]) + 2

        # Set new quota
        updated = self.client.update_quotas(
            self.tenant_id, **{quota_key: new_quota})
        self.assertEqual(new_quota, int(updated[quota_key]))

    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    def test_update_user_quota_shares(self):
        # get current quotas
        quotas = self.client.show_quotas(self.tenant_id, self.user_id)
        new_quota = int(quotas["shares"]) - 1

        # set new quota for shares
        updated = self.client.update_quotas(
            self.tenant_id, self.user_id, shares=new_quota)
        self.assertEqual(new_quota, int(updated["shares"]))

    @ddt.data(
        "share_groups",
        "share_group_snapshots",
    )
    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    @testtools.skipUnless(
        CONF.share.run_share_group_tests, 'Share Group tests disabled.')
    @utils.skip_if_microversion_not_supported(SHARE_GROUPS_MICROVERSION)
    def test_update_user_quota_share_groups(self, quota_key):
        # Get current quotas
        quotas = self.client.show_quotas(self.tenant_id, self.user_id)
        new_quota = int(quotas[quota_key]) - 1

        # Set new quota
        updated = self.client.update_quotas(
            self.tenant_id, self.user_id, **{quota_key: new_quota})
        self.assertEqual(new_quota, int(updated[quota_key]))

    @ddt.data(
        ('id', True),
        ('name', False),
    )
    @ddt.unpack
    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    @base.skip_if_microversion_lt("2.39")
    def test_update_share_type_quota(self, share_type_key, is_st_public):
        share_type = self._create_share_type()

        # Get current quotas
        quotas = self.client.show_quotas(
            self.tenant_id, share_type=share_type[share_type_key])

        # Update quotas
        for q in ('shares', 'gigabytes', 'snapshots', 'snapshot_gigabytes'):
            new_quota = int(quotas[q]) - 1

            # Set new quota
            updated = self.client.update_quotas(
                self.tenant_id, share_type=share_type[share_type_key],
                **{q: new_quota})
            self.assertEqual(new_quota, int(updated[q]))

        current_quotas = self.client.show_quotas(
            self.tenant_id, share_type=share_type[share_type_key])

        for q in ('shares', 'gigabytes', 'snapshots', 'snapshot_gigabytes'):
            self.assertEqual(int(quotas[q]) - 1, current_quotas[q])

    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    def test_update_tenant_quota_snapshots(self):
        # get current quotas
        quotas = self.client.show_quotas(self.tenant_id)
        new_quota = int(quotas["snapshots"]) + 2

        # set new quota for snapshots
        updated = self.client.update_quotas(
            self.tenant_id, snapshots=new_quota)
        self.assertEqual(new_quota, int(updated["snapshots"]))

    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    def test_update_user_quota_snapshots(self):
        # get current quotas
        quotas = self.client.show_quotas(self.tenant_id, self.user_id)
        new_quota = int(quotas["snapshots"]) - 1

        # set new quota for snapshots
        updated = self.client.update_quotas(
            self.tenant_id, self.user_id, snapshots=new_quota)
        self.assertEqual(new_quota, int(updated["snapshots"]))

    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    def test_update_tenant_quota_gigabytes(self):
        # get current quotas
        custom = self.client.show_quotas(self.tenant_id)

        # make quotas for update
        gigabytes = int(custom["gigabytes"]) + 2

        # set new quota for shares
        updated = self.client.update_quotas(
            self.tenant_id, gigabytes=gigabytes)
        self.assertEqual(gigabytes, int(updated["gigabytes"]))

    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    def test_update_tenant_quota_snapshot_gigabytes(self):
        # get current quotas
        custom = self.client.show_quotas(self.tenant_id)

        # make quotas for update
        snapshot_gigabytes = int(custom["snapshot_gigabytes"]) + 2

        # set new quota for shares
        updated = self.client.update_quotas(
            self.tenant_id,
            snapshot_gigabytes=snapshot_gigabytes)
        self.assertEqual(snapshot_gigabytes,
                         int(updated["snapshot_gigabytes"]))

    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    def test_update_user_quota_gigabytes(self):
        # get current quotas
        custom = self.client.show_quotas(self.tenant_id, self.user_id)

        # make quotas for update
        gigabytes = int(custom["gigabytes"]) - 1

        # set new quota for shares
        updated = self.client.update_quotas(
            self.tenant_id, self.user_id, gigabytes=gigabytes)
        self.assertEqual(gigabytes, int(updated["gigabytes"]))

    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    def test_update_user_quota_snapshot_gigabytes(self):
        # get current quotas
        custom = self.client.show_quotas(self.tenant_id, self.user_id)

        # make quotas for update
        snapshot_gigabytes = int(custom["snapshot_gigabytes"]) - 1

        # set new quota for shares
        updated = self.client.update_quotas(
            self.tenant_id, self.user_id,
            snapshot_gigabytes=snapshot_gigabytes)
        self.assertEqual(snapshot_gigabytes,
                         int(updated["snapshot_gigabytes"]))

    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    def test_update_tenant_quota_share_networks(self):
        # get current quotas
        quotas = self.client.show_quotas(self.tenant_id)
        new_quota = int(quotas["share_networks"]) + 2

        # set new quota for share-networks
        updated = self.client.update_quotas(
            self.tenant_id, share_networks=new_quota)
        self.assertEqual(new_quota, int(updated["share_networks"]))

    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    def test_update_user_quota_share_networks(self):
        # get current quotas
        quotas = self.client.show_quotas(
            self.tenant_id, self.user_id)
        new_quota = int(quotas["share_networks"]) - 1

        # set new quota for share-networks
        updated = self.client.update_quotas(
            self.tenant_id, self.user_id,
            share_networks=new_quota)
        self.assertEqual(new_quota, int(updated["share_networks"]))

    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    def test_reset_tenant_quotas(self):
        # Get default_quotas
        default = self.client.default_quotas(self.tenant_id)

        # Get current quotas
        custom = self.client.show_quotas(self.tenant_id)

        # Make quotas for update
        data = {
            "shares": int(custom["shares"]) + 2,
            "snapshots": int(custom["snapshots"]) + 2,
            "gigabytes": int(custom["gigabytes"]) + 2,
            "snapshot_gigabytes": int(custom["snapshot_gigabytes"]) + 2,
            "share_networks": int(custom["share_networks"]) + 2,
        }
        if (utils.is_microversion_supported(SHARE_GROUPS_MICROVERSION) and
                CONF.share.run_share_group_tests):
            data["share_groups"] = int(custom["share_groups"]) + 2
            data["share_group_snapshots"] = (
                int(custom["share_group_snapshots"]) + 2)

        # set new quota
        updated = self.client.update_quotas(self.tenant_id, **data)
        self.assertEqual(data["shares"], int(updated["shares"]))
        self.assertEqual(data["snapshots"], int(updated["snapshots"]))
        self.assertEqual(data["gigabytes"], int(updated["gigabytes"]))
        self.assertEqual(
            data["snapshot_gigabytes"], int(updated["snapshot_gigabytes"]))
        self.assertEqual(
            data["share_networks"], int(updated["share_networks"]))
        if (utils.is_microversion_supported(SHARE_GROUPS_MICROVERSION) and
                CONF.share.run_share_group_tests):
            self.assertEqual(
                data["share_groups"], int(updated["share_groups"]))
            self.assertEqual(
                data["share_group_snapshots"],
                int(updated["share_group_snapshots"]))

        # Reset customized quotas
        self.client.reset_quotas(self.tenant_id)

        # Verify quotas
        reseted = self.client.show_quotas(self.tenant_id)
        self.assertEqual(int(default["shares"]), int(reseted["shares"]))
        self.assertEqual(int(default["snapshots"]), int(reseted["snapshots"]))
        self.assertEqual(int(default["gigabytes"]), int(reseted["gigabytes"]))
        self.assertEqual(
            int(default["snapshot_gigabytes"]),
            int(reseted["snapshot_gigabytes"]))
        self.assertEqual(
            int(default["share_networks"]), int(reseted["share_networks"]))
        if (utils.is_microversion_supported(SHARE_GROUPS_MICROVERSION) and
                CONF.share.run_share_group_tests):
            self.assertEqual(
                int(default["share_groups"]), int(reseted["share_groups"]))
            self.assertEqual(
                int(default["share_group_snapshots"]),
                int(reseted["share_group_snapshots"]))

    @ddt.data(
        ('id', True),
        ('name', False),
    )
    @ddt.unpack
    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    @base.skip_if_microversion_lt("2.39")
    def test_reset_share_type_quotas(self, share_type_key, is_st_public):
        share_type = self._create_share_type()

        # get default_quotas
        default_quotas = self.client.default_quotas(self.tenant_id)

        # set new quota for project
        updated_p_quota = self.client.update_quotas(
            self.tenant_id,
            shares=int(default_quotas['shares']) + 5,
            snapshots=int(default_quotas['snapshots']) + 5,
            gigabytes=int(default_quotas['gigabytes']) + 5,
            snapshot_gigabytes=int(default_quotas['snapshot_gigabytes']) + 5)

        # set new quota for project
        self.client.update_quotas(
            self.tenant_id,
            share_type=share_type[share_type_key],
            shares=int(default_quotas['shares']) + 3,
            snapshots=int(default_quotas['snapshots']) + 3,
            gigabytes=int(default_quotas['gigabytes']) + 3,
            snapshot_gigabytes=int(default_quotas['snapshot_gigabytes']) + 3)

        # reset share type quotas
        self.client.reset_quotas(
            self.tenant_id, share_type=share_type[share_type_key])

        # verify quotas
        current_p_quota = self.client.show_quotas(self.tenant_id)
        current_st_quota = self.client.show_quotas(
            self.tenant_id, share_type=share_type[share_type_key])
        for key in ('shares', 'snapshots', 'gigabytes', 'snapshot_gigabytes'):
            self.assertEqual(updated_p_quota[key], current_p_quota[key])

            # Default share type quotas are current project quotas
            self.assertNotEqual(default_quotas[key], current_st_quota[key])
            self.assertEqual(current_p_quota[key], current_st_quota[key])

    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    def test_unlimited_quota_for_shares(self):
        self.client.update_quotas(self.tenant_id, shares=-1)

        quotas = self.client.show_quotas(self.tenant_id)

        self.assertEqual(-1, quotas.get('shares'))

    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    def test_unlimited_user_quota_for_shares(self):
        self.client.update_quotas(
            self.tenant_id, self.user_id, shares=-1)

        quotas = self.client.show_quotas(self.tenant_id, self.user_id)

        self.assertEqual(-1, quotas.get('shares'))

    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    def test_unlimited_quota_for_snapshots(self):
        self.client.update_quotas(self.tenant_id, snapshots=-1)

        quotas = self.client.show_quotas(self.tenant_id)

        self.assertEqual(-1, quotas.get('snapshots'))

    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    def test_unlimited_user_quota_for_snapshots(self):
        self.client.update_quotas(
            self.tenant_id, self.user_id, snapshots=-1)

        quotas = self.client.show_quotas(self.tenant_id, self.user_id)

        self.assertEqual(-1, quotas.get('snapshots'))

    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    def test_unlimited_quota_for_gigabytes(self):
        self.client.update_quotas(self.tenant_id, gigabytes=-1)

        quotas = self.client.show_quotas(self.tenant_id)

        self.assertEqual(-1, quotas.get('gigabytes'))

    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    def test_unlimited_quota_for_snapshot_gigabytes(self):
        self.client.update_quotas(
            self.tenant_id, snapshot_gigabytes=-1)

        quotas = self.client.show_quotas(self.tenant_id)

        self.assertEqual(-1, quotas.get('snapshot_gigabytes'))

    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    def test_unlimited_user_quota_for_gigabytes(self):
        self.client.update_quotas(
            self.tenant_id, self.user_id, gigabytes=-1)

        quotas = self.client.show_quotas(self.tenant_id, self.user_id)

        self.assertEqual(-1, quotas.get('gigabytes'))

    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    def test_unlimited_user_quota_for_snapshot_gigabytes(self):
        self.client.update_quotas(
            self.tenant_id, self.user_id, snapshot_gigabytes=-1)

        quotas = self.client.show_quotas(self.tenant_id, self.user_id)

        self.assertEqual(-1, quotas.get('snapshot_gigabytes'))

    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    def test_unlimited_quota_for_share_networks(self):
        self.client.update_quotas(self.tenant_id, share_networks=-1)

        quotas = self.client.show_quotas(self.tenant_id)

        self.assertEqual(-1, quotas.get('share_networks'))

    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    def test_unlimited_user_quota_for_share_networks(self):
        self.client.update_quotas(
            self.tenant_id, self.user_id, share_networks=-1)

        quotas = self.client.show_quotas(self.tenant_id, self.user_id)

        self.assertEqual(-1, quotas.get('share_networks'))

    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    @testtools.skipUnless(
        CONF.share.run_share_group_tests, 'Share Group tests disabled.')
    @utils.skip_if_microversion_not_supported(SHARE_GROUPS_MICROVERSION)
    def test_unlimited_quota_for_share_groups(self):
        self.client.update_quotas(self.tenant_id, share_groups=-1)

        quotas = self.client.show_quotas(self.tenant_id)

        self.assertEqual(-1, quotas.get('share_groups'))

    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    @testtools.skipUnless(
        CONF.share.run_share_group_tests, 'Share Group tests disabled.')
    @utils.skip_if_microversion_not_supported(SHARE_GROUPS_MICROVERSION)
    def test_unlimited_user_quota_for_share_group_snapshots(self):
        self.client.update_quotas(
            self.tenant_id, self.user_id, share_group_snapshots=-1)

        quotas = self.client.show_quotas(self.tenant_id, self.user_id)

        self.assertEqual(-1, quotas.get('share_group_snapshots'))

    @ddt.data(11, -1)
    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    def test_update_user_quotas_bigger_than_project_quota(self, user_quota):
        self.client.update_quotas(self.tenant_id, shares=10)
        self.client.update_quotas(
            self.tenant_id, user_id=self.user_id, force=True,
            shares=user_quota)

    @ddt.data(11, -1)
    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    @base.skip_if_microversion_lt("2.39")
    def test_update_share_type_quotas_bigger_than_project_quota(self, st_q):
        share_type = self._create_share_type()
        self.client.update_quotas(self.tenant_id, shares=10)

        self.client.update_quotas(
            self.tenant_id, share_type=share_type['name'], force=True,
            shares=st_q)

    @tc.attr(base.TAG_POSITIVE, base.TAG_API)
    @base.skip_if_microversion_lt("2.39")
    def test_set_share_type_quota_bigger_than_users_quota(self):
        share_type = self._create_share_type()
        self.client.update_quotas(self.tenant_id, force=False, shares=13)
        self.client.update_quotas(
            self.tenant_id, user_id=self.user_id, force=False, shares=11)

        # Share type quota does not depend on user's quota, so we should be
        # able to update it.
        self.client.update_quotas(
            self.tenant_id, share_type=share_type['name'], force=False,
            shares=12)

    @tc.attr(base.TAG_POSITIVE, base.TAG_API_WITH_BACKEND)
    @base.skip_if_microversion_lt("2.39")
    def test_quotas_usages(self):
        # Create share types
        st_1, st_2 = (self._create_share_type()
                      for i in (1, 2))

        # Set quotas for project, user and both share types
        self.client.update_quotas(self.tenant_id, shares=3, gigabytes=10)
        self.client.update_quotas(
            self.tenant_id, user_id=self.user_id, shares=2, gigabytes=7)
        for st in (st_1['id'], st_2['name']):
            self.client.update_quotas(
                self.tenant_id, share_type=st, shares=2, gigabytes=4)

        # Create share, 4Gb, st1 - ok
        share_1 = self.create_share(
            size=4, share_type_id=st_1['id'], client=self.client,
            cleanup_in_class=False)

        # Try create shares twice, failing on user and share type quotas
        for size, st_id in ((3, st_1['id']), (4, st_2['id'])):
            self.assertRaises(
                lib_exc.OverLimit,
                self.create_share,
                size=size, share_type_id=st_id, client=self.client,
                cleanup_in_class=False)

        # Create share, 3Gb, st2 - ok
        share_2 = self.create_share(
            size=3, share_type_id=st_2['id'], client=self.client,
            cleanup_in_class=False)

        # Check quota usages
        for g_l, g_use, s_l, s_use, kwargs in (
                (10, 7, 3, 2, {}),
                (7, 7, 2, 2, {'user_id': self.user_id}),
                (4, 4, 2, 1, {'share_type': st_1['id']}),
                (4, 3, 2, 1, {'share_type': st_2['name']})):
            quotas = self.client.detail_quotas(
                tenant_id=self.tenant_id, **kwargs)
            self.assertEqual(0, quotas['gigabytes']['reserved'])
            self.assertEqual(g_l, quotas['gigabytes']['limit'])
            self.assertEqual(g_use, quotas['gigabytes']['in_use'])
            self.assertEqual(0, quotas['shares']['reserved'])
            self.assertEqual(s_l, quotas['shares']['limit'])
            self.assertEqual(s_use, quotas['shares']['in_use'])

        # Delete shares and then check usages
        for share_id in (share_1['id'], share_2['id']):
            self.client.delete_share(share_id)
            self.client.wait_for_resource_deletion(share_id=share_id)
        for kwargs in ({}, {'share_type': st_1['name']},
                       {'user_id': self.user_id}, {'share_type': st_2['id']}):
            quotas = self.client.detail_quotas(
                tenant_id=self.tenant_id, **kwargs)
            for key in ('shares', 'gigabytes'):
                self.assertEqual(0, quotas[key]['reserved'])
                self.assertEqual(0, quotas[key]['in_use'])

    def _check_sg_usages(self, quotas, in_use, limit):
        """Helper method for 'test_share_group_quotas_usages' test."""
        self.assertEqual(0, int(quotas['share_groups']['reserved']))
        self.assertEqual(in_use, int(quotas['share_groups']['in_use']))
        self.assertEqual(limit, int(quotas['share_groups']['limit']))

    def _check_sgs_usages(self, quotas, in_use):
        """Helper method for 'test_share_group_quotas_usages' test."""
        self.assertEqual(0, int(quotas['share_group_snapshots']['reserved']))
        self.assertEqual(
            in_use, int(quotas['share_group_snapshots']['in_use']))
        self.assertEqual(1, int(quotas['share_group_snapshots']['limit']))

    def _check_usages(self, sg_in_use, sgs_in_use):
        """Helper method for 'test_share_group_quotas_usages' test."""
        p_quotas = self.client.detail_quotas(tenant_id=self.tenant_id)
        u_quotas = self.client.detail_quotas(
            tenant_id=self.tenant_id, user_id=self.user_id)
        self._check_sg_usages(p_quotas, sg_in_use, 3)
        self._check_sg_usages(u_quotas, sg_in_use, 2)
        self._check_sgs_usages(p_quotas, sgs_in_use)
        self._check_sgs_usages(u_quotas, sgs_in_use)

    @tc.attr(base.TAG_POSITIVE, base.TAG_API_WITH_BACKEND)
    @testtools.skipUnless(
        CONF.share.run_share_group_tests, 'Share Group tests disabled.')
    @base.skip_if_microversion_lt(SHARE_GROUPS_MICROVERSION)
    def test_share_group_quotas_usages(self):
        # Set quotas for project (3 SG, 1 SGS) and user (2 SG, 1 SGS)
        self.client.update_quotas(
            self.tenant_id, share_groups=3, share_group_snapshots=1)
        self.client.update_quotas(
            self.tenant_id, user_id=self.user_id,
            share_groups=2, share_group_snapshots=1)

        # Check usages, they should be 0s
        self._check_usages(0, 0)

        # Create SG1 and check usages
        share_group1 = self.create_share_group(
            share_group_type_id=self.share_group_type_id,
            share_type_ids=[self.share_type_id],
            cleanup_in_class=False,
            client=self.client)
        self._check_usages(1, 0)

        # Create SGS1 and check usages
        sg_snapshot = self.create_share_group_snapshot_wait_for_active(
            share_group1['id'], cleanup_in_class=False, client=self.client)
        self._check_usages(1, 1)

        # Create SG2 from SGS1 and check usages
        share_group2 = self.create_share_group(
            share_group_type_id=self.share_group_type_id,
            cleanup_in_class=False,
            client=self.client,
            source_share_group_snapshot_id=sg_snapshot['id'])
        self._check_usages(2, 1)

        # Try create SGS2, fail, then check usages
        self.assertRaises(
            lib_exc.OverLimit,
            self.create_share_group,
            share_group_type_id=self.share_group_type_id,
            share_type_ids=[self.share_type_id],
            client=self.client, cleanup_in_class=False)
        self._check_usages(2, 1)

        # Delete SG2 and check usages
        self.client.delete_share_group(share_group2['id'])
        self.client.wait_for_resource_deletion(
            share_group_id=share_group2['id'])
        self._check_usages(1, 1)

        # Delete SGS1 and check usages
        self.client.delete_share_group_snapshot(sg_snapshot['id'])
        self.client.wait_for_resource_deletion(
            share_group_snapshot_id=sg_snapshot['id'])
        self._check_usages(1, 0)

        # Delete SG1 and check usages
        self.client.delete_share_group(share_group1['id'])
        self.client.wait_for_resource_deletion(
            share_group_id=share_group1['id'])
        self._check_usages(0, 0)
