Files
tidb/util/tracing/opt_trace_test.go
2022-01-26 17:06:45 +08:00

106 lines
2.1 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 tracing
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestFlattenLogicalPlanTrace(t *testing.T) {
root1 := &PlanTrace{
ID: 1,
TP: "foo1",
ExplainInfo: "bar1",
Children: []*PlanTrace{
{
ID: 2,
TP: "foo2",
ExplainInfo: "bar2",
Children: nil,
},
},
}
root2 := &PlanTrace{
ID: 1,
TP: "foo1",
ExplainInfo: "bar1",
Children: []*PlanTrace{
{
ID: 2,
TP: "foo2",
ExplainInfo: "bar2",
Children: nil,
},
{
ID: 3,
TP: "foo3",
ExplainInfo: "bar3",
Children: []*PlanTrace{
{
ID: 4,
TP: "foo4",
ExplainInfo: "bar4",
Children: nil,
},
},
},
},
}
expect1 := []*PlanTrace{
{
ID: 2,
TP: "foo2",
ExplainInfo: "bar2",
ChildrenID: []int{},
},
{
ID: 1,
TP: "foo1",
ExplainInfo: "bar1",
ChildrenID: []int{2},
},
}
expect2 := []*PlanTrace{
{
ID: 2,
TP: "foo2",
ExplainInfo: "bar2",
ChildrenID: []int{},
},
{
ID: 4,
TP: "foo4",
ExplainInfo: "bar4",
ChildrenID: []int{},
},
{
ID: 3,
TP: "foo3",
ExplainInfo: "bar3",
ChildrenID: []int{4},
},
{
ID: 1,
TP: "foo1",
ExplainInfo: "bar1",
ChildrenID: []int{2, 3},
},
}
require.EqualValues(t, toFlattenPlanTrace(root1), expect1)
require.EqualValues(t, toFlattenPlanTrace(root2), expect2)
}