108 lines
2.3 KiB
Go
108 lines
2.3 KiB
Go
// Copyright 2022 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,
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package task
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"github.com/pingcap/kvproto/pkg/metapb"
|
|
)
|
|
|
|
func TestIsRegionsHasHole(t *testing.T) {
|
|
type args struct {
|
|
allRegions []*metapb.Region
|
|
}
|
|
tests := []struct {
|
|
name string
|
|
args args
|
|
want bool
|
|
}{
|
|
{
|
|
name: "one region",
|
|
args: args{
|
|
allRegions: []*metapb.Region{
|
|
{},
|
|
},
|
|
},
|
|
want: false,
|
|
},
|
|
{
|
|
name: "2 region",
|
|
args: args{
|
|
allRegions: []*metapb.Region{
|
|
{EndKey: []byte("a")},
|
|
{StartKey: []byte("a")},
|
|
},
|
|
},
|
|
want: false,
|
|
},
|
|
{
|
|
name: "many regions",
|
|
args: args{
|
|
allRegions: []*metapb.Region{
|
|
{EndKey: []byte("a")},
|
|
{StartKey: []byte("a"), EndKey: []byte("c")},
|
|
{StartKey: []byte("c"), EndKey: []byte("f")},
|
|
{StartKey: []byte("f"), EndKey: []byte("g")},
|
|
{StartKey: []byte("g")},
|
|
},
|
|
},
|
|
want: false,
|
|
},
|
|
{
|
|
name: "region hole 1",
|
|
args: args{
|
|
allRegions: []*metapb.Region{
|
|
{EndKey: []byte("a")},
|
|
{StartKey: []byte("a"), EndKey: []byte("c")},
|
|
{StartKey: []byte("c"), EndKey: []byte("f")},
|
|
{StartKey: []byte("e"), EndKey: []byte("g")},
|
|
{StartKey: []byte("g")},
|
|
},
|
|
},
|
|
want: true,
|
|
},
|
|
{
|
|
name: "multiple end keys(should not happen normally)",
|
|
args: args{
|
|
allRegions: []*metapb.Region{
|
|
{EndKey: []byte("a")},
|
|
{StartKey: []byte("a"), EndKey: []byte("c")},
|
|
{StartKey: []byte("c")},
|
|
{StartKey: []byte("e"), EndKey: []byte("g")},
|
|
{StartKey: []byte("g")},
|
|
},
|
|
},
|
|
want: true,
|
|
},
|
|
{
|
|
name: "region hole",
|
|
args: args{
|
|
allRegions: []*metapb.Region{
|
|
{EndKey: []byte("a")},
|
|
{StartKey: []byte("b")},
|
|
},
|
|
},
|
|
want: true,
|
|
},
|
|
}
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
if got := isRegionsHasHole(tt.args.allRegions); got != tt.want {
|
|
t.Errorf("isRegionsHasHole() = %v, want %v", got, tt.want)
|
|
}
|
|
})
|
|
}
|
|
}
|