github.com/matrixorigin/matrixone@v1.2.0/pkg/hakeeper/task/cn_pool_test.go (about)

     1  // Copyright 2022 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 task
    16  
    17  import (
    18  	"container/heap"
    19  	"testing"
    20  
    21  	"github.com/stretchr/testify/assert"
    22  )
    23  
    24  func TestOrderedMap(t *testing.T) {
    25  	orderedMap := newCNPool()
    26  	orderedMap.set(cnStore{uuid: "a"}, 100)
    27  	orderedMap.set(cnStore{uuid: "b"}, 110)
    28  	orderedMap.set(cnStore{uuid: "c"}, 90)
    29  	orderedMap.set(cnStore{uuid: "d"}, 80)
    30  	orderedMap.set(cnStore{uuid: "e"}, 120)
    31  	orderedMap.set(cnStore{uuid: "f"}, 50)
    32  	assert.Equal(t, 6, len(orderedMap.freq))
    33  	assert.True(t, len(orderedMap.freq) == len(orderedMap.sortedCN))
    34  	assert.Equal(t, "f", orderedMap.min().uuid)
    35  
    36  	orderedMap.set(cnStore{uuid: "f"}, 150)
    37  	assert.Equal(t, "d", orderedMap.min().uuid)
    38  
    39  	orderedMap.set(cnStore{uuid: "b"}, 70)
    40  	assert.Equal(t, "b", orderedMap.min().uuid)
    41  
    42  	orderedMap.set(cnStore{uuid: "b"}, 100)
    43  	for i := 0; i < 100; i++ {
    44  		heap.Push(orderedMap, cnStore{uuid: "g"})
    45  		assert.Equal(t, uint32(i+1), orderedMap.getFreq("g"))
    46  	}
    47  	assert.Equal(t, "d", orderedMap.min().uuid)
    48  	assert.Equal(t, 7, len(orderedMap.freq))
    49  	assert.True(t, len(orderedMap.freq) == len(orderedMap.sortedCN))
    50  }