93 lines
3.0 KiB
Go
93 lines
3.0 KiB
Go
// Copyright 2024 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package contextopt
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import (
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"testing"
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"github.com/pingcap/tidb/pkg/expression/context"
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"github.com/pingcap/tidb/pkg/parser/auth"
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"github.com/pingcap/tidb/pkg/sessionctx/variable"
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"github.com/stretchr/testify/require"
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)
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type mockSessionVarsProvider struct {
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vars *variable.SessionVars
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}
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func (p mockSessionVarsProvider) GetSessionVars() *variable.SessionVars {
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return p.vars
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}
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func TestOptionalEvalPropProviders(t *testing.T) {
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var providers OptionalEvalPropProviders
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require.True(t, providers.PropKeySet().IsEmpty())
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var p context.OptionalEvalPropProvider
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var verify func(val context.OptionalEvalPropProvider)
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for i := 0; i < context.OptPropsCnt; i++ {
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key := context.OptionalEvalPropKey(i)
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switch key {
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case context.OptPropCurrentUser:
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user := &auth.UserIdentity{Username: "u1", Hostname: "h1"}
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roles := []*auth.RoleIdentity{{Username: "u2", Hostname: "h2"}, {Username: "u3", Hostname: "h3"}}
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p = CurrentUserPropProvider(func() (*auth.UserIdentity, []*auth.RoleIdentity) { return user, roles })
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verify = func(val context.OptionalEvalPropProvider) {
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user2, roles2 := val.(CurrentUserPropProvider)()
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require.Equal(t, user, user2)
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require.Equal(t, roles, roles2)
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}
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case context.OptPropSessionVars:
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vars := variable.NewSessionVars(nil)
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p = NewSessionVarsProvider(mockSessionVarsProvider{vars: vars})
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verify = func(val context.OptionalEvalPropProvider) {
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got := val.(*SessionVarsPropProvider).GetSessionVars()
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require.Same(t, vars, got)
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}
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case context.OptPropAdvisoryLock:
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type mockCtxType struct {
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AdvisoryLockContext
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}
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mockCtx := &mockCtxType{}
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p = NewAdvisoryLockPropProvider(mockCtx)
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verify = func(val context.OptionalEvalPropProvider) {
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got := val.(*AdvisoryLockPropProvider).AdvisoryLockContext
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require.Same(t, mockCtx, got)
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}
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case context.OptPropDDLOwnerInfo:
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isOwner := true
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p = DDLOwnerInfoProvider(func() bool { return isOwner })
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verify = func(val context.OptionalEvalPropProvider) {
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require.True(t, val.(DDLOwnerInfoProvider)())
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isOwner = false
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require.False(t, val.(DDLOwnerInfoProvider)())
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}
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default:
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require.Fail(t, "unexpected optional property key")
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}
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require.False(t, providers.PropKeySet().Contains(key))
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require.False(t, providers.Contains(key))
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providers.Add(p)
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require.True(t, providers.PropKeySet().Contains(key))
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require.True(t, providers.Contains(key))
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val, ok := providers.Get(key)
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require.True(t, ok)
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verify(val)
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}
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}
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