github.com/matrixorigin/matrixone@v1.2.0/pkg/fileservice/memorycache/checks/interval/overlap_test.go (about)

     1  // Copyright 2023 Matrix Origin
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package interval
    16  
    17  import (
    18  	"github.com/stretchr/testify/assert"
    19  	"testing"
    20  )
    21  
    22  func TestIntervalChecker(t *testing.T) {
    23  
    24  	tree := NewOverlapChecker("MemCache_LRU")
    25  
    26  	// [0,5)
    27  	err := tree.Insert("s3://db1/table1/A", 0, 5)
    28  	assert.Nil(t, err)
    29  
    30  	//[0,5), [5,10)
    31  	err = tree.Insert("s3://db1/table1/A", 5, 10)
    32  	assert.Nil(t, err)
    33  
    34  	//[0,5), [5,10)
    35  	err = tree.Insert("s3://db1/table1/A", 6, 7)
    36  	assert.NotNil(t, err)
    37  
    38  	//[0,5)
    39  	err = tree.Remove("s3://db1/table1/A", 5, 10)
    40  	assert.Nil(t, err)
    41  
    42  	//[0,5), [6,7)
    43  	err = tree.Insert("s3://db1/table1/A", 6, 7)
    44  	assert.Nil(t, err)
    45  
    46  	//[0,5), [5,6), [6,7)
    47  	err = tree.Insert("s3://db1/table1/A", 5, 6)
    48  	assert.Nil(t, err)
    49  
    50  	//[0,5), [3,5), [5,6), [6,7)
    51  	err = tree.Insert("s3://db1/table1/A", 3, 5)
    52  	assert.NotNil(t, err)
    53  	assert.Equal(t, "internal error: Overlapping key range found in MemCache_LRU when inserting [3 5). The key s3://db1/table1/A contains overlapping intervals [0 5), ", err.Error())
    54  
    55  	//[0,5), [3,6), [5,6), [6,7)
    56  	err = tree.Insert("s3://db1/table1/A", 3, 6)
    57  	assert.NotNil(t, err)
    58  	assert.Equal(t, "internal error: Overlapping key range found in MemCache_LRU when inserting [3 6). The key s3://db1/table1/A contains overlapping intervals [0 5), [5 6), ", err.Error())
    59  
    60  	//[3,7)
    61  	err = tree.Insert("s3://db1/table1/B", 3, 7)
    62  	assert.Nil(t, err)
    63  }