107 lines
3.3 KiB
Go
107 lines
3.3 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 exprctx
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import (
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"math"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestOptionalPropKeySet(t *testing.T) {
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var keySet OptionalEvalPropKeySet
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require.True(t, keySet.IsEmpty())
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require.False(t, keySet.IsFull())
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require.False(t, keySet.Contains(OptPropCurrentUser))
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// Add one key
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keySet2 := keySet.Add(OptPropCurrentUser)
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require.True(t, keySet2.Contains(OptPropCurrentUser))
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require.False(t, keySet2.IsEmpty())
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require.False(t, keySet2.IsFull())
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// old key is not affected
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require.True(t, keySet.IsEmpty())
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// Add second key
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keySet3 := keySet2.Add(OptPropDDLOwnerInfo)
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require.True(t, keySet3.Contains(OptPropCurrentUser))
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require.True(t, keySet3.Contains(OptPropDDLOwnerInfo))
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require.False(t, keySet3.IsEmpty())
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require.False(t, keySet3.IsFull())
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require.False(t, keySet2.Contains(OptPropDDLOwnerInfo))
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// remove one key
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keySet4 := keySet3.Remove(OptPropCurrentUser)
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require.False(t, keySet4.Contains(OptPropCurrentUser))
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require.True(t, keySet4.Contains(OptPropDDLOwnerInfo))
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require.False(t, keySet4.IsFull())
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require.False(t, keySet4.IsEmpty())
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// add all other keys
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keySet4 = keySet3.
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Add(OptPropSessionVars).
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Add(OptPropInfoSchema).
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Add(OptPropKVStore).
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Add(OptPropSQLExecutor).
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Add(OptPropSequenceOperator).
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Add(OptPropAdvisoryLock).
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Add(OptPropPrivilegeChecker)
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require.True(t, keySet4.IsFull())
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require.False(t, keySet4.IsEmpty())
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}
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func TestOptionalPropKeySetWithUnusedBits(t *testing.T) {
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require.Less(t, OptPropsCnt, 64)
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full := OptionalEvalPropKeySet(math.MaxUint64)
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bits := full << OptionalEvalPropKeySet(OptPropsCnt)
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require.True(t, bits.IsEmpty())
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require.False(t, bits.Contains(OptPropCurrentUser))
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require.False(t, bits.Contains(OptPropDDLOwnerInfo))
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bits = bits.Add(OptPropCurrentUser)
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require.True(t, bits.Contains(OptPropCurrentUser))
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bits = full >> (64 - OptPropsCnt)
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require.True(t, bits.IsFull())
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require.True(t, bits.Contains(OptPropCurrentUser))
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require.True(t, bits.Contains(OptPropDDLOwnerInfo))
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bits = bits.Remove(OptPropCurrentUser)
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require.False(t, bits.Contains(OptPropCurrentUser))
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}
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func TestOptionalPropKey(t *testing.T) {
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for i := range OptPropsCnt {
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key := OptionalEvalPropKey(i)
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keySet := key.AsPropKeySet()
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// keySet should contain the specified key
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require.True(t, keySet.Contains(key))
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// desc in optionalPropertyDescList should be the same with key.Desc()
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require.Equal(t, key, optionalPropertyDescList[i].Key())
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require.Same(t, &optionalPropertyDescList[i], key.Desc())
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// keySet should not contain other keys
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for j := range OptPropsCnt {
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if i != j {
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key2 := OptionalEvalPropKey(j)
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require.False(t, keySet.Contains(key2))
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}
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}
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// If key removed from the keySet, the keySet should be empty
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keySet = keySet.Remove(key)
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require.True(t, keySet.IsEmpty())
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}
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}
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