github.com/matrixorigin/matrixone@v1.2.0/pkg/vm/engine/tae/model/tree_test.go (about)

     1  // Copyright 2021 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 model
    16  
    17  import (
    18  	"bytes"
    19  	"testing"
    20  
    21  	"github.com/matrixorigin/matrixone/pkg/objectio"
    22  	"github.com/matrixorigin/matrixone/pkg/vm/engine/tae/testutils"
    23  	"github.com/stretchr/testify/assert"
    24  )
    25  
    26  func TestTree(t *testing.T) {
    27  	defer testutils.AfterTest(t)()
    28  	tree := NewTree()
    29  	obj2 := objectio.NewObjectid()
    30  	tree.AddObject(1, 2, obj2)
    31  	t.Log(tree.String())
    32  	assert.Equal(t, 1, tree.TableCount())
    33  
    34  	var w bytes.Buffer
    35  	_, err := tree.WriteTo(&w)
    36  	assert.NoError(t, err)
    37  
    38  	tree2 := NewTree()
    39  	_, err = tree2.ReadFromWithVersion(&w, MemoTreeVersion3)
    40  	assert.NoError(t, err)
    41  	t.Log(tree2.String())
    42  	assert.True(t, tree.Equal(tree2))
    43  }