forked from cchamplin/gocrush
/
crush_test.go
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/
crush_test.go
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package gocrush
import (
"github.com/stretchr/testify/assert"
"log"
"strconv"
"testing"
)
const (
ROOT = 0
DATA_CENTER = 1
RACK = 2
NODE = 3
DISK = 4
)
func TestCrushStraw(t *testing.T) {
tree := makeStrawTree()
nodes1 := Select(tree, 15, 3, NODE, nil)
nodes2 := Select(tree, 4564564564, 3, NODE, nil)
nodes3 := Select(tree, 8789342322, 3, NODE, nil)
for _, node := range nodes1 {
log.Printf("[STRAW] For key %d got node : %s", 15, node.GetId())
}
for _, node := range nodes2 {
log.Printf("[STRAW] For key %d got node : %s", 4564564564, node.GetId())
}
for _, node := range nodes3 {
log.Printf("[STRAW] For key %d got node : %s", 8789342322, node.GetId())
}
assert.Equal(t, len(tree.GetChildren()), 4, "")
//assert.Equal(t, len(tree.GetChildren()), 5, "")
}
func TestCrushStrawTreeChange(t *testing.T) {
tree := makeStrawTree()
var key int64 = 64646436
nodes := Select(tree, key, 3, NODE, nil)
subTree, _ := tree.Children[2].(*TestingNode)
subSubTree, _ := subTree.Children[2].(*TestingNode)
subSubTree.Children = append(subSubTree.Children[:1], subSubTree.Children[2:]...)
subSubTree.Selector = NewStrawSelector(subSubTree)
for idx, node := range subSubTree.GetChildren() {
log.Printf("[STRAW] Node: (%d idx) %s", idx, node.GetId())
}
nodes2 := Select(tree, key, 3, NODE, nil)
for _, node := range nodes {
log.Printf("[STRAW] For key %d got node : %s", key, node.GetId())
}
for _, node := range nodes2 {
log.Printf("[STRAW] For key %d got node : %s", key, node.GetId())
}
assert.Equal(t, len(tree.GetChildren()), 4, "")
//assert.Equal(t, len(tree.GetChildren()), 5, "")
}
func TestCrushTree(t *testing.T) {
tree := makeTreeTree()
nodes1 := Select(tree, 15, 3, NODE, nil)
nodes2 := Select(tree, 4564564564, 3, NODE, nil)
nodes3 := Select(tree, 8789342322, 3, NODE, nil)
for _, node := range nodes1 {
log.Printf("[TREE] For key %d got node : %s", 15, node.GetId())
}
for _, node := range nodes2 {
log.Printf("[TREE] For key %d got node : %s", 4564564564, node.GetId())
}
for _, node := range nodes3 {
log.Printf("[TREE] For key %d got node : %s", 8789342322, node.GetId())
}
assert.Equal(t, len(tree.GetChildren()), 4, "")
//assert.Equal(t, len(tree.GetChildren()), 5, "")
}
func TestCrushTreeTreeChange(t *testing.T) {
tree := makeTreeTree()
var key int64 = 64646436
nodes := Select(tree, key, 3, NODE, nil)
subTree, _ := tree.Children[3].(*TestingNode)
subSubTree, _ := subTree.Children[0].(*TestingNode)
subSubTree.Children = append(subSubTree.Children[:1], subSubTree.Children[2:]...)
subSubTree.Selector = NewTreeSelector(subSubTree)
for idx, node := range subSubTree.GetChildren() {
log.Printf("[TREE] Node: (%d idx) %s", idx, node.GetId())
}
nodes2 := Select(tree, key, 3, NODE, nil)
for _, node := range nodes {
log.Printf("[TREE] For key %d got node : %s", key, node.GetId())
}
for _, node := range nodes2 {
log.Printf("[TREE] For key %d got node : %s", key, node.GetId())
}
assert.Equal(t, len(tree.GetChildren()), 4, "")
//assert.Equal(t, len(tree.GetChildren()), 5, "")
}
func makeStrawTree() *TestingNode {
var parent = new(TestingNode)
parent.Id = "ROOT"
parent.Type = ROOT
parent.Weight = 0
parent.Children = make([]Node, 4)
for dc := 0; dc < 4; dc++ {
var dcNode = new(TestingNode)
dcNode.Parent = parent
dcNode.Weight = 1
dcNode.Type = DATA_CENTER
dcNode.Id = parent.Id + ":DataCenter" + strconv.Itoa(dc)
dcNode.Children = make([]Node, 4)
parent.Children[dc] = dcNode
for rk := 0; rk < 4; rk++ {
var rkNode = new(TestingNode)
rkNode.Parent = dcNode
rkNode.Type = RACK
rkNode.Weight = 1
rkNode.Id = dcNode.Id + ":Rack" + strconv.Itoa(rk)
rkNode.Children = make([]Node, 4)
dcNode.Children[rk] = rkNode
for nd := 0; nd < 4; nd++ {
var ndNode = new(TestingNode)
ndNode.Parent = rkNode
ndNode.Type = NODE
ndNode.Weight = 1
ndNode.Id = rkNode.Id + ":Node" + strconv.Itoa(nd)
ndNode.Children = make([]Node, 4)
rkNode.Children[nd] = ndNode
for dsk := 0; dsk < 4; dsk++ {
var dskNode = new(TestingNode)
dskNode.Parent = ndNode
dskNode.Type = DISK
dskNode.Weight = 1
dskNode.Id = ndNode.Id + ":Disk" + strconv.Itoa(dsk)
dskNode.Selector = NewStrawSelector(dskNode)
ndNode.Children[dsk] = dskNode
}
ndNode.Selector = NewStrawSelector(ndNode)
}
rkNode.Selector = NewStrawSelector(rkNode)
}
dcNode.Selector = NewStrawSelector(dcNode)
}
parent.Selector = NewStrawSelector(parent)
return parent
}
func makeSimpleStrawTree() *TestingNode {
var parent = new(TestingNode)
parent.Id = "ROOT"
parent.Type = ROOT
parent.Weight = 0
parent.Children = make([]Node, 1)
for dc := 0; dc < 1; dc++ {
var dcNode = new(TestingNode)
dcNode.Parent = parent
dcNode.Weight = 1
dcNode.Type = DATA_CENTER
dcNode.Id = parent.Id + ":DataCenter" + strconv.Itoa(dc)
dcNode.Children = make([]Node, 1)
parent.Children[dc] = dcNode
for rk := 0; rk < 1; rk++ {
var rkNode = new(TestingNode)
rkNode.Parent = dcNode
rkNode.Type = RACK
rkNode.Weight = 1
rkNode.Id = dcNode.Id + ":Rack" + strconv.Itoa(rk)
rkNode.Children = make([]Node, 3)
dcNode.Children[rk] = rkNode
for nd := 0; nd < 3; nd++ {
var ndNode = new(TestingNode)
ndNode.Parent = rkNode
ndNode.Type = NODE
ndNode.Weight = 1
ndNode.Id = rkNode.Id + ":Node" + strconv.Itoa(nd)
ndNode.Children = make([]Node, 1)
rkNode.Children[nd] = ndNode
for dsk := 0; dsk < 1; dsk++ {
var dskNode = new(TestingNode)
dskNode.Parent = ndNode
dskNode.Type = DISK
dskNode.Weight = 1
dskNode.Id = ndNode.Id + ":Disk" + strconv.Itoa(dsk)
dskNode.Selector = NewStrawSelector(dskNode)
ndNode.Children[dsk] = dskNode
}
ndNode.Selector = NewStrawSelector(ndNode)
}
rkNode.Selector = NewStrawSelector(rkNode)
}
dcNode.Selector = NewStrawSelector(dcNode)
}
parent.Selector = NewStrawSelector(parent)
return parent
}
func makeTreeTree() *TestingNode {
var parent = new(TestingNode)
parent.Id = "ROOT"
parent.Type = ROOT
parent.Weight = 0
parent.Children = make([]Node, 4)
for dc := 0; dc < 4; dc++ {
var dcNode = new(TestingNode)
dcNode.Parent = parent
dcNode.Weight = 1
dcNode.Type = DATA_CENTER
dcNode.Id = parent.Id + ":DataCenter" + strconv.Itoa(dc)
dcNode.Children = make([]Node, 4)
parent.Children[dc] = dcNode
for rk := 0; rk < 4; rk++ {
var rkNode = new(TestingNode)
rkNode.Parent = dcNode
rkNode.Type = RACK
rkNode.Weight = 1
rkNode.Id = dcNode.Id + ":Rack" + strconv.Itoa(rk)
rkNode.Children = make([]Node, 4)
dcNode.Children[rk] = rkNode
for nd := 0; nd < 4; nd++ {
var ndNode = new(TestingNode)
ndNode.Parent = rkNode
ndNode.Type = NODE
ndNode.Weight = 1
ndNode.Id = rkNode.Id + ":Node" + strconv.Itoa(nd)
ndNode.Children = make([]Node, 4)
rkNode.Children[nd] = ndNode
for dsk := 0; dsk < 4; dsk++ {
var dskNode = new(TestingNode)
dskNode.Parent = ndNode
dskNode.Type = DISK
dskNode.Weight = 1
dskNode.Id = ndNode.Id + ":Disk" + strconv.Itoa(dsk)
dskNode.Selector = NewTreeSelector(dskNode)
ndNode.Children[dsk] = dskNode
}
ndNode.Selector = NewTreeSelector(ndNode)
}
rkNode.Selector = NewTreeSelector(rkNode)
}
dcNode.Selector = NewTreeSelector(dcNode)
}
parent.Selector = NewTreeSelector(parent)
return parent
}
func makeSimpleTreeTree() *TestingNode {
var parent = new(TestingNode)
parent.Id = "ROOT"
parent.Type = ROOT
parent.Weight = 0
parent.Children = make([]Node, 1)
for dc := 0; dc < 1; dc++ {
var dcNode = new(TestingNode)
dcNode.Parent = parent
dcNode.Weight = 1
dcNode.Type = DATA_CENTER
dcNode.Id = parent.Id + ":DataCenter" + strconv.Itoa(dc)
dcNode.Children = make([]Node, 1)
parent.Children[dc] = dcNode
for rk := 0; rk < 1; rk++ {
var rkNode = new(TestingNode)
rkNode.Parent = dcNode
rkNode.Type = RACK
rkNode.Weight = 1
rkNode.Id = dcNode.Id + ":Rack" + strconv.Itoa(rk)
rkNode.Children = make([]Node, 3)
dcNode.Children[rk] = rkNode
for nd := 0; nd < 3; nd++ {
var ndNode = new(TestingNode)
ndNode.Parent = rkNode
ndNode.Type = NODE
ndNode.Weight = 1
ndNode.Id = rkNode.Id + ":Node" + strconv.Itoa(nd)
ndNode.Children = make([]Node, 1)
rkNode.Children[nd] = ndNode
for dsk := 0; dsk < 1; dsk++ {
var dskNode = new(TestingNode)
dskNode.Parent = ndNode
dskNode.Type = DISK
dskNode.Weight = 1
dskNode.Id = ndNode.Id + ":Disk" + strconv.Itoa(dsk)
dskNode.Selector = NewTreeSelector(dskNode)
ndNode.Children[dsk] = dskNode
}
ndNode.Selector = NewTreeSelector(ndNode)
}
rkNode.Selector = NewTreeSelector(rkNode)
}
dcNode.Selector = NewTreeSelector(dcNode)
}
parent.Selector = NewTreeSelector(parent)
return parent
}