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policy_test.go
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package netmap
import (
"fmt"
"math"
"math/rand"
"strconv"
"testing"
"time"
"github.com/stretchr/testify/require"
)
type bucket struct {
name string
nodes []uint32
}
type strawBucket struct {
name string
nodes Nodes
}
var defaultPivot = []byte("This is default random data")
func newRoot(bs ...bucket) (b Bucket, err error) {
for i := range bs {
n := make(Nodes, 0, len(bs[i].nodes))
for j := range bs[i].nodes {
n = append(n, Node{N: bs[i].nodes[j], C: uint64(bs[i].nodes[j] + 1)})
}
if err = b.AddBucket(bs[i].name, n); err != nil {
return
}
}
return
}
func newStrawRoot(bs ...strawBucket) (b Bucket, err error) {
for i := range bs {
if err = b.AddBucket(bs[i].name, bs[i].nodes); err != nil {
return
}
}
return
}
func TestBucket_RuntimeError(t *testing.T) {
t.Run("slice bounds out of range", func(t *testing.T) {
buckets := []bucket{
{"/Location:Europe/Country:Spain/City:Madrid", []uint32{17, 18}},
}
root, err := newRoot(buckets...)
require.NoError(t, err)
ss := []Select{
{Key: NodesBucket, Count: 3}, // available only two
}
r := root.GetSelection(ss, defaultPivot)
require.Nil(t, r)
})
t.Run("test hrw distribution", func(t *testing.T) {
buckets := []bucket{
{"/Location:America/Country:USA/City:NewYork", []uint32{0, 1, 2, 3, 4, 5}},
}
ss := []Select{
{Key: "Location", Count: 1},
{Key: NodesBucket, Count: 3},
}
root, err := newRoot(buckets...)
require.NoError(t, err)
r1 := root.GetSelection(ss, []byte{1, 2, 3})
require.NotNil(t, r1)
r2 := root.GetSelection(ss, []byte{1, 2, 4})
require.NotNil(t, r2)
r3 := root.GetSelection(ss, []byte{1, 2, 5})
require.NotNil(t, r3)
require.NotEqual(t, r1.nodes, r2.nodes)
require.NotEqual(t, r1.nodes, r3.nodes)
require.NotEqual(t, r2.nodes, r3.nodes)
})
t.Run("non-existing bucket", func(t *testing.T) {
buckets := []bucket{
{"/Location:Europe/Country:Spain/City:Madrid", []uint32{17, 18}},
{"/Location:Europe/Country:Spain/City:Barcelona", []uint32{16, 19}},
}
root, err := newRoot(buckets...)
require.NoError(t, err)
ss := []Select{
{Key: "InvalidSelect", Count: 1},
{Key: NodesBucket, Count: 1},
}
r := root.GetSelection(ss, defaultPivot)
require.Nil(t, r)
})
t.Run("regression test", func(t *testing.T) {
buckets := []bucket{
{"/Location:Europe/Country:Spain/City:Madrid", []uint32{17, 18}},
{"/Location:Europe/Country:Spain/City:Barcelona", []uint32{16, 19}},
}
root, err := newRoot(buckets...)
require.NoError(t, err)
ss := []Select{
{Key: "Location", Count: 1},
{Key: NodesBucket, Count: 3},
}
r := root.GetSelection(ss, defaultPivot)
require.NotNil(t, r)
require.Len(t, r.nodes, 3)
})
}
func TestBucket_IsValid(t *testing.T) {
var (
b Bucket
buckets []bucket
err error
)
buckets = []bucket{
{"/Location:Europe/Country:Germany", []uint32{1, 3}},
{"/Location:Asia/Country:China", []uint32{2}},
}
b, err = newRoot(buckets...)
require.NoError(t, err)
require.Truef(t, b.IsValid(), "simple bucket should be valid")
buckets = []bucket{
{"/Location:Europe/Country:Germany", []uint32{1, 3}},
{"/Location:Asia/Country:China", []uint32{1, 2}},
}
b, err = newRoot(buckets...)
require.NoError(t, err)
require.Falsef(t, b.IsValid(), "different children must not intersect")
b = Bucket{
Key: "Location",
Value: "Europe",
nodes: Nodes{{N: 1}, {N: 2}},
children: []Bucket{
{
Key: "Country",
Value: "Germany",
nodes: Nodes{{N: 1}, {N: 2}, {N: 3}},
},
},
}
require.Falsef(t, b.IsValid(), "parent must contain all child nodes")
// parent can contain more elements
b = Bucket{
Key: "Location",
Value: "Europe",
nodes: Nodes{{N: 1}, {N: 2}, {N: 3}},
children: []Bucket{
{
Key: "Country",
Value: "Germany",
nodes: Nodes{{N: 2}},
},
},
}
require.Truef(t, b.IsValid(), "parent can contain more nodes")
}
func TestBucket_checkConflicts(t *testing.T) {
var (
b1, b2 Bucket
err error
buckets []bucket
)
buckets = []bucket{
{"/Location:Europe/Country:Germany", []uint32{1, 3}},
{"/Location:Asia/Country:China", []uint32{1}},
}
b1, err = newRoot(buckets[:1]...)
require.NoError(t, err)
b2, err = newRoot(buckets[1:]...)
require.NoError(t, err)
require.True(t, b1.CheckConflicts(b2))
require.True(t, b2.CheckConflicts(b1))
buckets = []bucket{
{"/Location:Europe/Country:Germany", []uint32{1, 3}},
{"/Location:Europe/Country:Germany", []uint32{2, 3}},
}
b1, err = newRoot(buckets[:1]...)
require.NoError(t, err)
b2, err = newRoot(buckets[1:]...)
require.NoError(t, err)
require.False(t, b1.CheckConflicts(b2))
require.False(t, b2.CheckConflicts(b1))
}
func TestBucket_Merge(t *testing.T) {
var (
b1, b2, exp Bucket
err error
buckets []bucket
)
buckets = []bucket{
{"/Location:Europe/Country:Germany", []uint32{1, 3}},
{"/Location:Asia/Country:China", []uint32{2}},
}
b1, err = newRoot(buckets[:1]...)
require.NoError(t, err)
b2, err = newRoot(buckets[1:]...)
require.NoError(t, err)
exp, err = newRoot(buckets...)
require.NoError(t, err)
b1.Merge(b2)
require.Equal(t, exp, b1)
buckets = []bucket{
{"/Location:Europe/Country:Germany", []uint32{1, 3}},
{"/Location:Asia/Country:Korea", []uint32{5}},
{"/Location:Asia/Country:China", []uint32{2, 6}},
{"/Location:Europe/Country:Germany", []uint32{3, 4}},
}
b1, err = newRoot(buckets[:2]...)
require.NoError(t, err)
b2, err = newRoot(buckets[2:]...)
require.NoError(t, err)
exp, err = newRoot(buckets...)
require.NoError(t, err)
b1.Merge(b2)
require.Equal(t, exp, b1)
}
func TestBucket_GetSelection(t *testing.T) {
var (
err error
exp, root Bucket
r *Bucket
buckets []bucket
ss []Select
)
buckets = []bucket{
{"/Location:Asia/Country:Korea", []uint32{1, 3}},
{"/Location:Asia/Country:China", []uint32{2}},
{"/Location:Europe/Country:Germany/City:Hamburg", []uint32{25}},
{"/Location:Europe/Country:Germany/City:Bremen", []uint32{27, 29}},
{"/Location:Europe/Country:Spain/City:Madrid", []uint32{17, 18}},
{"/Location:Europe/Country:Spain/City:Barcelona", []uint32{26, 30}},
{"/Location:NorthAmerica/Country:USA/City:NewYork", []uint32{19, 20}},
}
root, err = newRoot(buckets...)
require.NoError(t, err)
buckets = []bucket{
{"/Location:Europe/Country:Germany/City:Hamburg", []uint32{25}},
{"/Location:Europe/Country:Spain/City:Barcelona", []uint32{26, 30}},
}
exp, err = newRoot(buckets...)
require.NoError(t, err)
ss = []Select{
{Key: "Location", Count: 1},
{Key: "City", Count: 2},
}
r = root.GetSelection(ss, defaultPivot)
require.NotNil(t, r)
require.Equal(t, r.nodes, exp.nodes)
buckets = []bucket{
{"/Location:Europe/Country:Spain/City:Barcelona", []uint32{26, 30}},
{"/Location:NorthAmerica/Country:USA/City:NewYork", []uint32{19, 20}},
}
exp, err = newRoot(buckets...)
require.NoError(t, err)
ss = []Select{
{Key: "Location", Count: 2},
{Key: "City", Count: 1},
}
r = root.GetSelection(ss, defaultPivot)
require.NotNil(t, r)
require.Equal(t, r.nodes, exp.nodes)
}
func TestBucket_GetWeightSelection(t *testing.T) {
var (
err error
root Bucket
r *Bucket
buckets []strawBucket
ss []Select
nodes Nodes
)
buckets = []strawBucket{
{"/Location:Asia/Country:Korea", Nodes{{N: 1, C: 1}, {N: 3, C: 3}}},
{"/Location:Asia/Country:China", Nodes{{N: 2, C: 1}}},
{"/Location:Europe/Country:Germany/City:Hamburg", Nodes{{N: 25, C: 8}}},
{"/Location:Europe/Country:Germany/City:Bremen", Nodes{{N: 27, C: 1}, {N: 29, C: 2}}},
{"/Location:Europe/Country:Spain/City:Madrid", Nodes{{N: 17, C: 2}, {N: 18, C: 1}}},
{"/Location:Europe/Country:Spain/City:Barcelona", Nodes{{N: 26, C: 1}, {N: 30, C: 10}}},
{"/Location:NorthAmerica/Country:USA/City:NewYork", Nodes{{N: 19, C: 1}, {N: 20, C: 9}}},
}
root, err = newStrawRoot(buckets...)
require.NoError(t, err)
nodes = Nodes{{N: 26, C: 1}, {N: 1, C: 1}, {N: 25, C: 8}, {N: 27, C: 1}}
ss = []Select{
{Key: NodesBucket, Count: 4},
}
r = root.GetSelection(ss, defaultPivot)
require.NotNil(t, r)
require.Equal(t, r.Nodelist(), nodes)
ss = []Select{
{Key: "Location", Count: 1},
{Key: "City", Count: 4},
{Key: NodesBucket, Count: 1},
}
nodes = Nodes{{N: 18, C: 1}, {N: 25, C: 8}, {N: 26, C: 1}, {N: 27, C: 1}}
r = root.GetSelection(ss, defaultPivot)
require.NotNil(t, r)
require.Equal(t, r.Nodelist(), nodes)
}
func TestBucket_GetMaxSelection(t *testing.T) {
var (
err error
exp, root Bucket
r *Bucket
buckets []bucket
sbuckets []strawBucket
ss []Select
fs []Filter
)
buckets = []bucket{
{"/Location:Asia/Country:Korea", []uint32{1, 3}},
{"/Location:Asia/Country:China", []uint32{2}},
{"/Location:Asia/Country:Taiwan", []uint32{4, 5}},
{"/Location:Europe/Country:France", []uint32{6, 7, 8}},
{"/Location:Europe/Country:Germany/City:Berlin", []uint32{9, 10}},
{"/Location:Europe/Country:Germany/City:Hamburg", []uint32{25}},
{"/Location:Europe/Country:Germany/City:Bremen", []uint32{27, 29}},
{"/Location:Europe/Country:Italy/City:Rome", []uint32{11, 12}},
{"/Location:Europe/Country:Russia", []uint32{13, 14}},
{"/Location:Europe/Country:Switzerland", []uint32{15, 16}},
{"/Location:Europe/Country:Spain/City:Madrid", []uint32{17, 18}},
{"/Location:Europe/Country:Spain/City:Barcelona", []uint32{26, 30}},
{"/Location:NorthAmerica/Country:USA", []uint32{19, 20}},
{"/Location:NorthAmerica/Country:Canada", []uint32{21, 22}},
{"/Location:NorthAmerica/Country:Mexico", []uint32{23, 24}},
}
root, err = newRoot(buckets...)
require.NoError(t, err)
t.Run("invalid filter", func(t *testing.T) {
ss = []Select{{Key: "Country", Count: 1}}
fs = []Filter{{Key: "InvalidFilter", F: FilterIn("Germany", "Spain")}}
r = root.GetMaxSelection(SFGroup{Selectors: ss, Filters: fs})
require.Nil(t, r)
})
t.Run("match uniq attribute", func(t *testing.T) {
ss = []Select{{Key: NodesBucket, Count: 2}}
fs = []Filter{{Key: "City", F: FilterEQ("Madrid")}}
r = root.GetMaxSelection(SFGroup{Selectors: ss, Filters: fs})
require.NotNil(t, r)
ss = []Select{{Key: NodesBucket, Count: 3}}
r = root.GetMaxSelection(SFGroup{Selectors: ss, Filters: fs})
require.Nil(t, r)
})
buckets = []bucket{
{"/Location:Europe/Country:Germany/City:Berlin", []uint32{9, 10}},
{"/Location:Europe/Country:Germany/City:Hamburg", []uint32{25}},
{"/Location:Europe/Country:Germany/City:Bremen", []uint32{27, 29}},
{"/Location:Europe/Country:Spain/City:Madrid", []uint32{17, 18}},
{"/Location:Europe/Country:Spain/City:Barcelona", []uint32{26, 30}},
}
exp, err = newRoot(buckets...)
require.NoError(t, err)
// check if subgraph with simple select without node-filters works
ss = []Select{{Key: "Country", Count: 1}}
fs = []Filter{{Key: "Country", F: FilterIn("Germany", "Spain")}}
r = root.GetMaxSelection(SFGroup{Selectors: ss, Filters: fs})
require.Equal(t, &exp, r)
// check if select with count works
ss = []Select{
{Key: "Country", Count: 1},
{Key: "City", Count: 2},
}
r = root.GetMaxSelection(SFGroup{Selectors: ss})
require.Equal(t, &exp, r)
// check if count on nodes also works
ss = []Select{
{Key: "Location", Count: 1},
{Key: "Country", Count: 1},
{Key: NodesBucket, Count: 4},
}
fs = []Filter{{Key: "Location", F: FilterEQ("Europe")}}
r = root.GetMaxSelection(SFGroup{Selectors: ss, Filters: fs})
require.Equal(t, &exp, r)
buckets = []bucket{
{"/Location:Europe/Country:Spain/City:Madrid", []uint32{17, 18}},
{"/Location:Europe/Country:Spain/City:Barcelona", []uint32{26, 30}},
}
exp, err = newRoot(buckets...)
require.NoError(t, err)
r = root.GetMaxSelection(SFGroup{
Selectors: ss,
Filters: fs,
Exclude: []uint32{9, 27, 29},
})
require.Equal(t, &exp, r)
r = root.GetMaxSelection(SFGroup{
Selectors: ss,
Filters: fs,
Exclude: []uint32{9, 27, 29, 26},
})
require.Nil(t, r)
buckets = []bucket{
{"/Location:Europe/Country:Germany/City:Berlin", []uint32{9, 10}},
{"/Location:Europe/Country:Germany/City:Hamburg", []uint32{25}},
{"/Location:Europe/Country:Germany/City:Bremen", []uint32{27, 29}},
{"/Location:Europe/Country:Italy/City:Rome", []uint32{11, 12}},
{"/Location:Europe/Country:Spain/City:Madrid", []uint32{17, 18}},
{"/Location:Europe/Country:Spain/City:Barcelona", []uint32{26, 30}},
}
exp, err = newRoot(buckets...)
require.NoError(t, err)
// check if select with count works
ss = []Select{
{Key: "City", Count: 2},
}
r = root.GetMaxSelection(SFGroup{Selectors: ss})
require.Equal(t, &exp, r)
// check if weights are correctly saved after filter operation
sbuckets = []strawBucket{
{"/Location:Europe/Country:Germany/City:Berlin", Nodes{{N: 9, C: 1}, {N: 10, C: 2}}},
{"/Location:Europe/Country:Germany/City:Hamburg", Nodes{{N: 25, C: 1}}},
{"/Location:Europe/Country:Germany/City:Bremen", Nodes{{N: 27, C: 1}, {N: 29, C: 2}}},
{"/Location:Europe/Country:Italy/City:Rome", Nodes{{N: 11, C: 1}, {N: 12, C: 1}}},
{"/Location:Europe/Country:Spain/City:Madrid", Nodes{{N: 17, C: 1}, {N: 1, C: 18}}},
{"/Location:Europe/Country:Spain/City:Barcelona", Nodes{{N: 26, C: 1}, {N: 30, C: 1}}},
}
root, err = newStrawRoot(sbuckets...)
require.NoError(t, err)
sbuckets = []strawBucket{
{"/Location:Europe/Country:Germany/City:Berlin", Nodes{{N: 9, C: 1}, {N: 10, C: 2}}},
{"/Location:Europe/Country:Germany/City:Hamburg", Nodes{{N: 25, C: 1}}},
{"/Location:Europe/Country:Germany/City:Bremen", Nodes{{N: 27, C: 1}, {N: 29, C: 2}}},
}
exp, err = newStrawRoot(sbuckets...)
require.NoError(t, err)
ss = []Select{
{Key: NodesBucket, Count: 1},
}
fs = []Filter{{Key: "Country", F: FilterEQ("Germany")}}
r = root.GetMaxSelection(SFGroup{Selectors: ss, Filters: fs})
require.Equal(t, &exp, r)
}
func TestNetMap_GetNodesByOption(t *testing.T) {
var (
fr, ge, eu, root Bucket
)
fr = Bucket{
Key: "Country",
Value: "France",
nodes: Nodes{{}, {N: 1}, {N: 3}},
}
ge = Bucket{
Key: "Country",
Value: "Germany",
nodes: Nodes{{N: 2}, {N: 4}},
}
eu = Bucket{
Key: "Location",
Value: "Europe",
nodes: Nodes{{}, {N: 1}, {N: 2}, {N: 3}, {N: 4}},
children: []Bucket{fr, ge},
}
root = Bucket{
nodes: Nodes{{N: 0}, {N: 1}, {N: 2}, {N: 3}, {N: 4}, {N: 5}, {N: 6}},
children: []Bucket{eu},
}
n1 := root.GetNodesByOption("/Location:Europe/Country:Germany")
require.Equal(t, []uint32{2, 4}, n1.Nodes())
n2 := root.GetNodesByOption("/Location:Europe/Country:Russia")
require.Len(t, n2.Nodes(), 0)
}
func TestBucket_AddBucket(t *testing.T) {
var (
root, nroot Bucket
err error
)
root = Bucket{
children: []Bucket{{
Key: "Location",
Value: "Europe",
children: []Bucket{
{Key: "Country", Value: "France"},
{Key: "Country", Value: "Germany"},
},
}},
}
nroot, err = newRoot(
bucket{"/Location:Europe", nil},
bucket{"/Location:Europe/Country:France", nil},
bucket{"/Location:Europe/Country:Germany", nil},
)
require.NoError(t, err)
require.Equal(t, root, nroot)
// we must correctly handle addition of options without existing parent
nroot, err = newRoot(
bucket{"/Location:Europe/Country:France", nil},
bucket{"/Location:Europe/Country:Germany", nil},
)
require.NoError(t, err)
require.Equal(t, root, nroot)
// nothing should happen if we add an already existing option
err = nroot.AddBucket("/Location:Europe", nil)
require.NoError(t, err)
require.Equal(t, root, nroot)
}
func TestBucket_AddNode(t *testing.T) {
var (
nroot Bucket
ns Nodes
err error
)
nroot, err = newRoot(
bucket{"/Location:Europe/Country:France", []uint32{1, 3}},
bucket{"/Location:Europe/Country:Germany", []uint32{7}},
)
require.NoError(t, err)
ns = nroot.GetNodesByOption("/Location:Europe/Country:Germany")
require.Equal(t, []uint32{7}, ns.Nodes())
ns = nroot.GetNodesByOption("/Location:Europe")
require.Equal(t, []uint32{1, 3, 7}, ns.Nodes())
}
func TestNetMap_AddNode(t *testing.T) {
var (
root Bucket
err error
)
root, err = newRoot(
bucket{"/Location:Europe/Country:France", nil},
bucket{"/Location:Europe/Country:Germany", nil},
)
require.NoError(t, err)
err = root.AddNode(1, "/Location:Europe/Country:France")
require.NoError(t, err)
err = root.AddNode(2, "/Location:Europe/Country:France")
require.NoError(t, err)
err = root.AddNode(3, "/Location:Europe/Country:Germany")
require.NoError(t, err)
ns := root.GetNodesByOption("/Location:Europe/Country:Germany")
require.Equal(t, []uint32{3}, ns.Nodes())
ns = root.GetNodesByOption("/Location:Europe")
require.Equal(t, []uint32{1, 2, 3}, ns.Nodes())
}
func TestBucket_MarshalBinary(t *testing.T) {
var (
before, after Bucket
data []byte
err error
)
before, err = newRoot(
bucket{"/Location:Europe", []uint32{1}},
bucket{"/Location:Asia", []uint32{2}},
)
require.NoError(t, err)
data, err = before.MarshalBinary()
require.NoError(t, err)
err = after.UnmarshalBinary(data)
require.NoError(t, err)
require.Equal(t, before, after)
}
func TestBucket_Nodelist(t *testing.T) {
var (
nodes Nodes
root Bucket
buckets []bucket
err error
)
buckets = []bucket{
{"/Location:Asia/Country:Korea", []uint32{1, 3}},
{"/Location:Asia/Country:China", []uint32{2}},
{"/Location:Asia/Country:Taiwan", []uint32{4, 5}},
{"/Location:Europe/Country:France", []uint32{6, 7, 8}},
{"/Location:Europe/Country:Germany/City:Berlin", []uint32{9, 10}},
{"/Location:Europe/Country:Italy/City:Rome", []uint32{11, 12}},
{"/Location:Europe/Country:Russia", []uint32{13, 14}},
{"/Location:Europe/Country:Switzerland", []uint32{15, 16}},
{"/Location:Europe/Country:Spain/City:Madrid", []uint32{17, 18}},
{"/Location:NorthAmerica/Country:USA", []uint32{19, 20}},
{"/Location:NorthAmerica/Country:Canada", []uint32{21, 22}},
{"/Location:NorthAmerica/Country:Mexico", []uint32{23, 24}},
}
root, err = newRoot(buckets...)
require.NoError(t, err)
root.nodes = nil
root.fillNodes()
nodes = root.Nodelist()
require.Len(t, nodes, 24)
for i := uint32(1); i <= 24; i++ {
require.Contains(t, nodes.Nodes(), i)
}
}
func TestNetMap_FindGraph(t *testing.T) {
var (
nodesByLoc map[string]Nodes
root, exp Bucket
c *Bucket
ss []Select
fs []Filter
err error
)
buckets := []bucket{
{"/Location:Asia/Country:Korea", []uint32{1, 3}},
{"/Location:Asia/Country:China", []uint32{2}},
{"/Location:Europe/Country:France/City:Paris", []uint32{6, 7, 8}},
{"/Location:Europe/Country:Germany", []uint32{9, 10}},
{"/Location:Europe/Country:Italy", []uint32{11, 12}},
{"/Location:Europe/Country:Russia/City:Moscow", []uint32{13, 14}},
{"/Location:Europe/Country:Switzerland", []uint32{15, 16}},
{"/Location:Europe/Country:Spain/City:Madrid", []uint32{17, 18}},
{"/Location:NorthAmerica/Country:USA/City:NewYork", []uint32{19, 20}},
{"/Location:NorthAmerica/Country:Canada", []uint32{21, 22}},
{"/Location:NorthAmerica/Country:Mexico", []uint32{23, 24}},
{"/Type:SSD", []uint32{6, 7, 8, 13}},
{"/Type:HDD", []uint32{14, 21, 22}},
}
root, err = newRoot(buckets...)
require.NoError(t, err)
ss = []Select{{Key: NodesBucket, Count: 6}}
c = root.FindGraph(nil, SFGroup{Selectors: ss})
require.NotNil(t, c)
require.Len(t, c.Nodelist(), 6)
for _, r := range c.Nodelist() {
require.Contains(t, []uint32{1, 2, 3, 6, 7, 8}, r.N)
}
nodesByLoc = map[string]Nodes{
"Asia": root.GetNodesByOption("/Location:Asia"),
"Europe": root.GetNodesByOption("/Location:Europe"),
"NorthAmerica": root.GetNodesByOption("/Location:NorthAmerica"),
"Italy": root.GetNodesByOption("/Location:Europe/Country:Italy"),
"Russia": root.GetNodesByOption("/Location:Europe/Country:Russia"),
}
// check if NE filter works
for _, loc := range []string{"Asia", "Europe", "NorthAmerica"} {
ss = []Select{
{Key: "Location", Count: 2},
}
fs = []Filter{
{Key: "Location", F: FilterNE(loc)},
}
c = root.FindGraph(nil, SFGroup{Selectors: ss, Filters: fs})
require.NotNil(t, c)
for _, n := range c.Nodelist() {
require.NotContains(t, nodesByLoc[loc], n.N)
}
}
// check if EQ filter works
ss = []Select{
{Key: "Country", Count: 1},
}
fs = []Filter{
{Key: "Country", F: FilterEQ("Russia")},
}
exp, err = newRoot(bucket{"/Location:Europe/Country:Russia/City:Moscow", []uint32{13, 14}})
require.NoError(t, err)
c = root.FindGraph(nil, SFGroup{Selectors: ss, Filters: fs})
require.NotNil(t, c)
require.Equal(t, &exp, c)
buckets = []bucket{
{"/Location:Asia/Country:Korea", []uint32{1, 3}},
{"/Location:Asia/Country:China", []uint32{2}},
}
exp, err = newRoot(buckets...)
require.NoError(t, err)
// check if Select.Count works
ss = []Select{
{Key: "Location", Count: 1},
{Key: "Country", Count: 2},
}
fs = []Filter{
{Key: "Location", F: FilterEQ("Asia")},
}
c = root.FindGraph(nil, SFGroup{Selectors: ss, Filters: fs})
require.Equal(t, &exp, c)
ss[1].Count = 4
c = root.FindGraph(nil, SFGroup{Selectors: ss, Filters: fs})
require.Nil(t, c)
buckets = []bucket{
{"/Location:NorthAmerica/Country:USA/City:NewYork", []uint32{19, 20}},
{"/Location:NorthAmerica/Country:Canada", []uint32{21, 22}},
{"/Location:NorthAmerica/Country:Mexico", []uint32{23, 24}},
}
exp, err = newRoot(buckets...)
require.NoError(t, err)
// check with NotIn filter
ss = []Select{
{Key: "Location", Count: 1},
}
fs = []Filter{
{Key: "Location", F: FilterNotIn("Asia", "Europe")},
}
c = root.FindGraph(nil, SFGroup{Selectors: ss, Filters: fs})
require.Equal(t, &exp, c)
for _, n := range c.Nodelist() {
require.Contains(t, nodesByLoc["NorthAmerica"], n)
}
// check with 2 successive filters
ss = []Select{
{Key: "Location", Count: 1},
{Key: "Country", Count: 1},
}
fs = []Filter{
{Key: "Location", F: FilterNotIn("Asia", "Europe")},
{Key: "Country", F: FilterNotIn("USA", "Canada", "Mexico")},
}
c = root.FindGraph(nil, SFGroup{Selectors: ss, Filters: fs})
require.Nil(t, c)
ss = []Select{
{Key: "Location", Count: 2},
{Key: NodesBucket, Count: 3},
}
c = root.FindGraph(nil, SFGroup{Selectors: ss})
require.NotNil(t, c)
ss = []Select{
{Key: "Location", Count: 1},
{Key: NodesBucket, Count: 6},
}
fs = []Filter{
{Key: "Location", F: FilterEQ("Europe")},
}
c = root.FindGraph(nil, SFGroup{Selectors: ss, Filters: fs})
require.NotNil(t, c)
for _, n := range c.Nodelist() {
require.Contains(t, nodesByLoc["Europe"], n)
}
buckets = []bucket{
{"/Location:Europe/Country:France/City:Paris", []uint32{6, 7, 8}},
{"/Location:Europe/Country:Russia/City:Moscow", []uint32{13, 14}},
{"/Location:NorthAmerica/Country:Canada", []uint32{21, 22}},
}
exp, err = newRoot(buckets...)
require.NoError(t, err)
// multiple selectors
c = root.FindGraph(nil,
SFGroup{
Selectors: []Select{{Key: "City", Count: 1}},
Filters: []Filter{{Key: "City", F: FilterEQ("Paris")}},
},
SFGroup{
Selectors: []Select{{Key: "City", Count: 1}},
Filters: []Filter{{Key: "City", F: FilterEQ("Moscow")}},
},
SFGroup{
Selectors: []Select{{Key: "Country", Count: 1}},
Filters: []Filter{{Key: "Country", F: FilterEQ("Canada")}},
},
)
require.Equal(t, &exp, c)
}
func TestBucket_FindNodes(t *testing.T) {
var (
ns Nodes
nodesByLoc map[string]Nodes
root Bucket
ss []Select
fs []Filter
err error
)
buckets := []bucket{
{"/Location:Asia/Country:Korea", []uint32{1, 3}},
{"/Location:Asia/Country:China", []uint32{2}},
{"/Location:Asia/Country:Taiwan", []uint32{4, 5}},
{"/Location:Europe/Country:France", []uint32{6, 7, 8}},
{"/Location:Europe/Country:Germany", []uint32{9, 10}},
{"/Location:Europe/Country:Italy", []uint32{11, 12}},
{"/Location:Europe/Country:Russia", []uint32{13, 14}},
{"/Location:Europe/Country:Switzerland", []uint32{15, 16}},
{"/Location:Europe/Country:Spain", []uint32{17, 18}},
{"/Location:NorthAmerica/Country:USA", []uint32{19, 20}},
{"/Location:NorthAmerica/Country:Canada", []uint32{21, 22}},
{"/Location:NorthAmerica/Country:Mexico", []uint32{23, 24}},
}
root, err = newRoot(buckets...)
require.NoError(t, err)
nodesByLoc = map[string]Nodes{
"Asia": root.GetNodesByOption("/Location:Asia"),
"Europe": root.GetNodesByOption("/Location:Europe"),
"NorthAmerica": root.GetNodesByOption("/Location:NorthAmerica"),
"Italy": root.GetNodesByOption("/Location:Europe/Country:Italy"),
"Russia": root.GetNodesByOption("/Location:Europe/Country:Russia"),
}
// check if NE filter works
for _, loc := range []string{"Asia", "Europe", "NorthAmerica"} {
ss = []Select{
{Key: "Location", Count: 2},
}
fs = []Filter{
{Key: "Location", F: FilterNE(loc)},
}
ns = root.FindNodes(nil, SFGroup{Selectors: ss, Filters: fs})
require.NotEmpty(t, ns)
for _, n := range ns {
require.NotContains(t, nodesByLoc[loc], n)
}
}
// check if EQ filter works
for _, c := range []string{"Italy", "Russia"} {
ss = []Select{
{Key: "Country", Count: 1},
}
fs = []Filter{
{Key: "Country", F: FilterEQ(c)},
}
ns = root.FindNodes(nil, SFGroup{Selectors: ss, Filters: fs})
require.NotEmpty(t, ns)
for _, n := range ns {
require.Contains(t, nodesByLoc[c], n)
}
}
// check if Select.Count works
ss = []Select{
{Key: "Location", Count: 1},
{Key: "Country", Count: 2},
}
fs = []Filter{
{Key: "Location", F: FilterEQ("Asia")},
}
ns = root.FindNodes(nil, SFGroup{Selectors: ss, Filters: fs})
require.NotEmpty(t, ns)
ss[1].Count = 4
ns = root.FindNodes(nil, SFGroup{Selectors: ss, Filters: fs})
require.Len(t, ns, 0)
// check with NotIn filter
ss = []Select{
{Key: "Location", Count: 1},
}
fs = []Filter{
{Key: "Location", F: FilterNotIn("Asia", "Europe")},
}
ns = root.FindNodes(nil, SFGroup{Selectors: ss, Filters: fs})
require.NotEmpty(t, ns)
for _, n := range ns {
require.Contains(t, nodesByLoc["NorthAmerica"], n)
}
// check with 2 successive filters
ss = []Select{
{Key: "Location", Count: 1},
{Key: "Country", Count: 1},
}
fs = []Filter{
{Key: "Location", F: FilterNotIn("Asia", "Europe")},
{Key: "Country", F: FilterNotIn("USA", "Canada", "Mexico")},
}
ns = root.FindNodes(nil, SFGroup{Selectors: ss, Filters: fs})
require.Len(t, ns, 0)
ss = []Select{
{Key: "Location", Count: 2},
{Key: NodesBucket, Count: 3},
}
ns = root.FindNodes(nil, SFGroup{Selectors: ss})
require.Len(t, ns, 6)
ss = []Select{
{Key: "Location", Count: 1},
{Key: NodesBucket, Count: 6},
}
fs = []Filter{
{Key: "Location", F: FilterEQ("Europe")},
}
ns = root.FindNodes(nil, SFGroup{Selectors: ss, Filters: fs})
require.Len(t, ns, 6)
for _, n := range ns {
require.Contains(t, nodesByLoc["Europe"], n)
}
// consistency test
ss = []Select{
{Count: 1, Key: "Country"},
{Key: NodesBucket, Count: 3},
}
fs = []Filter{
{Key: "Location", F: FilterIn("Asia", "Europe")},
}
ns = root.FindNodes(defaultPivot, SFGroup{Selectors: ss, Filters: fs})
require.Len(t, ns, 3)
nscopy := root.FindNodes(defaultPivot, SFGroup{Selectors: ss})
require.Len(t, nscopy, 3)
require.Equal(t, ns, nscopy)
}
func TestNodes_Weight(t *testing.T) {
var N Nodes