Files
tidb/pkg/errno/infoschema_test.go

82 lines
2.2 KiB
Go

// Copyright 2021 PingCAP, Inc.
//
// 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.
package errno
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestCopySafety(t *testing.T) {
IncrementError(123, "user", "host")
IncrementError(321, "user2", "host2")
IncrementWarning(123, "user", "host")
IncrementWarning(999, "user", "host")
IncrementWarning(222, "u", "h")
globalCopy := GlobalStats()
userCopy := UserStats()
hostCopy := HostStats()
IncrementError(123, "user", "host")
IncrementError(999, "user2", "host2")
IncrementError(123, "user3", "host")
IncrementWarning(123, "user", "host")
IncrementWarning(222, "u", "h")
IncrementWarning(222, "a", "b")
IncrementWarning(333, "c", "d")
// global stats
assert.Equal(t, 3, stats.global[123].ErrorCount)
assert.Equal(t, 1, globalCopy[123].ErrorCount)
// user stats
assert.Len(t, stats.users, 6)
assert.Len(t, userCopy, 3)
assert.Equal(t, 2, stats.users["user"][123].ErrorCount)
assert.Equal(t, 2, stats.users["user"][123].WarningCount)
assert.Equal(t, 1, userCopy["user"][123].ErrorCount)
assert.Equal(t, 1, userCopy["user"][123].WarningCount)
// ensure there is no user3 in userCopy
_, ok := userCopy["user3"]
assert.False(t, ok)
_, ok = stats.users["user3"]
assert.True(t, ok)
_, ok = userCopy["a"]
assert.False(t, ok)
_, ok = stats.users["a"]
assert.True(t, ok)
// host stats
assert.Len(t, stats.hosts, 5)
assert.Len(t, hostCopy, 3)
IncrementError(123, "user3", "newhost")
assert.Len(t, stats.hosts, 6)
assert.Len(t, hostCopy, 3)
// ensure there is no newhost in hostCopy
_, ok = hostCopy["newhost"]
assert.False(t, ok)
_, ok = stats.hosts["newhost"]
assert.True(t, ok)
_, ok = hostCopy["b"]
assert.False(t, ok)
_, ok = stats.hosts["b"]
assert.True(t, ok)
}