dragonfly/scheduler/scheduling/evaluator/evaluator_base_test.go

874 lines
28 KiB
Go

/*
* Copyright 2020 The Dragonfly Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package evaluator
import (
"reflect"
"testing"
"time"
"github.com/stretchr/testify/assert"
"go.uber.org/atomic"
commonv2 "d7y.io/api/v2/pkg/apis/common/v2"
"d7y.io/dragonfly/v2/pkg/digest"
"d7y.io/dragonfly/v2/pkg/idgen"
"d7y.io/dragonfly/v2/pkg/types"
"d7y.io/dragonfly/v2/scheduler/config"
"d7y.io/dragonfly/v2/scheduler/resource"
)
var (
mockRawHost = resource.Host{
ID: mockHostID,
Type: types.HostTypeNormal,
Hostname: "foo",
IP: "127.0.0.1",
Port: 8003,
DownloadPort: 8001,
OS: "darwin",
Platform: "darwin",
PlatformFamily: "Standalone Workstation",
PlatformVersion: "11.1",
KernelVersion: "20.2.0",
CPU: mockCPU,
Memory: mockMemory,
Network: mockNetwork,
Disk: mockDisk,
Build: mockBuild,
CreatedAt: atomic.NewTime(time.Now()),
UpdatedAt: atomic.NewTime(time.Now()),
}
mockRawSeedHost = resource.Host{
ID: mockSeedHostID,
Type: types.HostTypeSuperSeed,
Hostname: "bar",
IP: "127.0.0.1",
Port: 8003,
DownloadPort: 8001,
OS: "darwin",
Platform: "darwin",
PlatformFamily: "Standalone Workstation",
PlatformVersion: "11.1",
KernelVersion: "20.2.0",
CPU: mockCPU,
Memory: mockMemory,
Network: mockNetwork,
Disk: mockDisk,
Build: mockBuild,
CreatedAt: atomic.NewTime(time.Now()),
UpdatedAt: atomic.NewTime(time.Now()),
}
mockCPU = resource.CPU{
LogicalCount: 4,
PhysicalCount: 2,
Percent: 1,
ProcessPercent: 0.5,
Times: resource.CPUTimes{
User: 240662.2,
System: 317950.1,
Idle: 3393691.3,
Nice: 0,
Iowait: 0,
Irq: 0,
Softirq: 0,
Steal: 0,
Guest: 0,
GuestNice: 0,
},
}
mockMemory = resource.Memory{
Total: 17179869184,
Available: 5962813440,
Used: 11217055744,
UsedPercent: 65.291858,
ProcessUsedPercent: 41.525125,
Free: 2749598908,
}
mockNetwork = resource.Network{
TCPConnectionCount: 10,
UploadTCPConnectionCount: 1,
Location: mockHostLocation,
IDC: mockHostIDC,
}
mockDisk = resource.Disk{
Total: 499963174912,
Free: 37226479616,
Used: 423809622016,
UsedPercent: 91.92547406065952,
InodesTotal: 4882452880,
InodesUsed: 7835772,
InodesFree: 4874617108,
InodesUsedPercent: 0.1604884305611568,
}
mockBuild = resource.Build{
GitVersion: "v1.0.0",
GitCommit: "221176b117c6d59366d68f2b34d38be50c935883",
GoVersion: "1.18",
Platform: "darwin",
}
mockTaskBackToSourceLimit int32 = 200
mockTaskURL = "http://example.com/foo"
mockTaskID = idgen.TaskIDV2(mockTaskURL, mockTaskDigest.String(), mockTaskTag, mockTaskApplication, mockTaskPieceLength, mockTaskFilters)
mockTaskDigest = digest.New(digest.AlgorithmSHA256, "c71d239df91726fc519c6eb72d318ec65820627232b2f796219e87dcf35d0ab4")
mockTaskTag = "d7y"
mockTaskApplication = "foo"
mockTaskFilters = []string{"bar"}
mockTaskHeader = map[string]string{"content-length": "100"}
mockTaskPieceLength int32 = 2048
mockResourceConfig = &config.ResourceConfig{
Task: config.TaskConfig{
DownloadTiny: config.DownloadTinyConfig{
Scheme: config.DefaultResourceTaskDownloadTinyScheme,
Timeout: config.DefaultResourceTaskDownloadTinyTimeout,
TLS: config.DownloadTinyTLSClientConfig{
InsecureSkipVerify: true,
},
},
},
}
mockHostID = idgen.HostIDV2("127.0.0.1", "foo")
mockSeedHostID = idgen.HostIDV2("127.0.0.1", "bar")
mockHostLocation = "bas"
mockHostIDC = "baz"
mockPeerID = idgen.PeerIDV2()
)
func TestEvaluatorBase_NewEvaluatorBase(t *testing.T) {
tests := []struct {
name string
expect func(t *testing.T, e any)
}{
{
name: "new evaluator commonv1",
expect: func(t *testing.T, e any) {
assert := assert.New(t)
assert.Equal(reflect.TypeOf(e).Elem().Name(), "evaluatorBase")
},
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
tc.expect(t, NewEvaluatorBase())
})
}
}
func TestEvaluatorBase_Evaluate(t *testing.T) {
tests := []struct {
name string
parent *resource.Peer
child *resource.Peer
totalPieceCount int32
mock func(parent *resource.Peer, child *resource.Peer)
expect func(t *testing.T, score float64)
}{
{
name: "evaluate parent",
parent: resource.NewPeer(idgen.PeerIDV1("127.0.0.1"), mockResourceConfig,
resource.NewTask(mockTaskID, mockTaskURL, mockTaskTag, mockTaskApplication, commonv2.TaskType_DFDAEMON, mockTaskFilters, mockTaskHeader, mockTaskBackToSourceLimit, resource.WithDigest(mockTaskDigest), resource.WithPieceLength(mockTaskPieceLength)),
resource.NewHost(
mockRawSeedHost.ID, mockRawSeedHost.IP, mockRawSeedHost.Hostname,
mockRawSeedHost.Port, mockRawSeedHost.DownloadPort, mockRawSeedHost.Type)),
child: resource.NewPeer(idgen.PeerIDV1("127.0.0.1"), mockResourceConfig,
resource.NewTask(mockTaskID, mockTaskURL, mockTaskTag, mockTaskApplication, commonv2.TaskType_DFDAEMON, mockTaskFilters, mockTaskHeader, mockTaskBackToSourceLimit, resource.WithDigest(mockTaskDigest), resource.WithPieceLength(mockTaskPieceLength)),
resource.NewHost(
mockRawHost.ID, mockRawHost.IP, mockRawHost.Hostname,
mockRawHost.Port, mockRawHost.DownloadPort, mockRawHost.Type)),
totalPieceCount: 1,
mock: func(parent *resource.Peer, child *resource.Peer) {
},
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(0.35))
},
},
{
name: "evaluate parent with pieces",
parent: resource.NewPeer(idgen.PeerIDV1("127.0.0.1"), mockResourceConfig,
resource.NewTask(mockTaskID, mockTaskURL, mockTaskTag, mockTaskApplication, commonv2.TaskType_DFDAEMON, mockTaskFilters, mockTaskHeader, mockTaskBackToSourceLimit, resource.WithDigest(mockTaskDigest), resource.WithPieceLength(mockTaskPieceLength)),
resource.NewHost(
mockRawSeedHost.ID, mockRawSeedHost.IP, mockRawSeedHost.Hostname,
mockRawSeedHost.Port, mockRawSeedHost.DownloadPort, mockRawSeedHost.Type)),
child: resource.NewPeer(idgen.PeerIDV1("127.0.0.1"), mockResourceConfig,
resource.NewTask(mockTaskID, mockTaskURL, mockTaskTag, mockTaskApplication, commonv2.TaskType_DFDAEMON, mockTaskFilters, mockTaskHeader, mockTaskBackToSourceLimit, resource.WithDigest(mockTaskDigest), resource.WithPieceLength(mockTaskPieceLength)),
resource.NewHost(
mockRawHost.ID, mockRawHost.IP, mockRawHost.Hostname,
mockRawHost.Port, mockRawHost.DownloadPort, mockRawHost.Type)),
totalPieceCount: 1,
mock: func(parent *resource.Peer, child *resource.Peer) {
parent.FinishedPieces.Set(0)
},
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(0.55))
},
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
eb := NewEvaluatorBase()
tc.mock(tc.parent, tc.child)
tc.expect(t, eb.Evaluate(tc.parent, tc.child, tc.totalPieceCount))
})
}
}
func TestEvaluatorBase_calculatePieceScore(t *testing.T) {
mockHost := resource.NewHost(
mockRawHost.ID, mockRawHost.IP, mockRawHost.Hostname,
mockRawHost.Port, mockRawHost.DownloadPort, mockRawHost.Type)
mockTask := resource.NewTask(mockTaskID, mockTaskURL, mockTaskTag, mockTaskApplication, commonv2.TaskType_DFDAEMON, mockTaskFilters, mockTaskHeader, mockTaskBackToSourceLimit, resource.WithDigest(mockTaskDigest), resource.WithPieceLength(mockTaskPieceLength))
tests := []struct {
name string
parent *resource.Peer
child *resource.Peer
totalPieceCount int32
mock func(parent *resource.Peer, child *resource.Peer)
expect func(t *testing.T, score float64)
}{
{
name: "total piece count is zero and child pieces are empty",
parent: resource.NewPeer(idgen.PeerIDV1("127.0.0.1"), mockResourceConfig, mockTask, mockHost),
child: resource.NewPeer(idgen.PeerIDV1("127.0.0.1"), mockResourceConfig, mockTask, mockHost),
totalPieceCount: 0,
mock: func(parent *resource.Peer, child *resource.Peer) {
parent.FinishedPieces.Set(0)
},
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(1))
},
},
{
name: "total piece count is zero and parent pieces are empty",
parent: resource.NewPeer(idgen.PeerIDV1("127.0.0.1"), mockResourceConfig, mockTask, mockHost),
child: resource.NewPeer(idgen.PeerIDV1("127.0.0.1"), mockResourceConfig, mockTask, mockHost),
totalPieceCount: 0,
mock: func(parent *resource.Peer, child *resource.Peer) {
child.FinishedPieces.Set(0)
},
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(-1))
},
},
{
name: "total piece count is zero and child pieces of length greater than parent pieces",
parent: resource.NewPeer(idgen.PeerIDV1("127.0.0.1"), mockResourceConfig, mockTask, mockHost),
child: resource.NewPeer(idgen.PeerIDV1("127.0.0.1"), mockResourceConfig, mockTask, mockHost),
totalPieceCount: 0,
mock: func(parent *resource.Peer, child *resource.Peer) {
parent.FinishedPieces.Set(0)
child.FinishedPieces.Set(0)
child.FinishedPieces.Set(1)
},
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(-1))
},
},
{
name: "total piece count is zero and child pieces of length equal than parent pieces",
parent: resource.NewPeer(idgen.PeerIDV1("127.0.0.1"), mockResourceConfig, mockTask, mockHost),
child: resource.NewPeer(idgen.PeerIDV1("127.0.0.1"), mockResourceConfig, mockTask, mockHost),
totalPieceCount: 0,
mock: func(parent *resource.Peer, child *resource.Peer) {
parent.FinishedPieces.Set(0)
child.FinishedPieces.Set(0)
},
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(0))
},
},
{
name: "total piece count is zero and parent pieces of length greater than child pieces",
parent: resource.NewPeer(idgen.PeerIDV1("127.0.0.1"), mockResourceConfig, mockTask, mockHost),
child: resource.NewPeer(idgen.PeerIDV1("127.0.0.1"), mockResourceConfig, mockTask, mockHost),
totalPieceCount: 0,
mock: func(parent *resource.Peer, child *resource.Peer) {
parent.FinishedPieces.Set(0)
parent.FinishedPieces.Set(1)
child.FinishedPieces.Set(0)
},
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(1))
},
},
{
name: "parent pieces are empty",
parent: resource.NewPeer(idgen.PeerIDV1("127.0.0.1"), mockResourceConfig, mockTask, mockHost),
child: resource.NewPeer(idgen.PeerIDV1("127.0.0.1"), mockResourceConfig, mockTask, mockHost),
totalPieceCount: 10,
mock: func(parent *resource.Peer, child *resource.Peer) {},
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(0))
},
},
{
name: "parent pieces of length greater than zero",
parent: resource.NewPeer(idgen.PeerIDV1("127.0.0.1"), mockResourceConfig, mockTask, mockHost),
child: resource.NewPeer(idgen.PeerIDV1("127.0.0.1"), mockResourceConfig, mockTask, mockHost),
totalPieceCount: 10,
mock: func(parent *resource.Peer, child *resource.Peer) {
parent.FinishedPieces.Set(0)
parent.FinishedPieces.Set(1)
},
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(0.2))
},
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
tc.mock(tc.parent, tc.child)
tc.expect(t, calculatePieceScore(tc.parent, tc.child, tc.totalPieceCount))
})
}
}
func TestEvaluatorBase_calculatehostUploadSuccessScore(t *testing.T) {
tests := []struct {
name string
mock func(host *resource.Host)
expect func(t *testing.T, score float64)
}{
{
name: "UploadFailedCount is larger than UploadCount",
mock: func(host *resource.Host) {
host.UploadCount.Add(1)
host.UploadFailedCount.Add(2)
},
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(0))
},
},
{
name: "UploadFailedCount and UploadCount is zero",
mock: func(host *resource.Host) {
host.UploadCount.Add(0)
host.UploadFailedCount.Add(0)
},
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(1))
},
},
{
name: "UploadCount is larger than UploadFailedCount",
mock: func(host *resource.Host) {
host.UploadCount.Add(2)
host.UploadFailedCount.Add(1)
},
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(0.5))
},
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
host := resource.NewHost(
mockRawHost.ID, mockRawHost.IP, mockRawHost.Hostname,
mockRawHost.Port, mockRawHost.DownloadPort, mockRawHost.Type)
mockTask := resource.NewTask(mockTaskID, mockTaskURL, mockTaskTag, mockTaskApplication, commonv2.TaskType_DFDAEMON, mockTaskFilters, mockTaskHeader, mockTaskBackToSourceLimit, resource.WithDigest(mockTaskDigest), resource.WithPieceLength(mockTaskPieceLength))
mockPeer := resource.NewPeer(mockPeerID, mockResourceConfig, mockTask, host)
tc.mock(host)
tc.expect(t, calculateParentHostUploadSuccessScore(mockPeer))
})
}
}
func TestEvaluatorBase_calculateFreeUploadScore(t *testing.T) {
tests := []struct {
name string
mock func(host *resource.Host, mockPeer *resource.Peer)
expect func(t *testing.T, score float64)
}{
{
name: "host peers is not empty",
mock: func(host *resource.Host, mockPeer *resource.Peer) {
mockPeer.Host.ConcurrentUploadCount.Add(1)
},
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(0.98))
},
},
{
name: "host peers is empty",
mock: func(host *resource.Host, mockPeer *resource.Peer) {},
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(1))
},
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
host := resource.NewHost(
mockRawHost.ID, mockRawHost.IP, mockRawHost.Hostname,
mockRawHost.Port, mockRawHost.DownloadPort, mockRawHost.Type)
mockTask := resource.NewTask(mockTaskID, mockTaskURL, mockTaskTag, mockTaskApplication, commonv2.TaskType_DFDAEMON, mockTaskFilters, mockTaskHeader, mockTaskBackToSourceLimit, resource.WithDigest(mockTaskDigest), resource.WithPieceLength(mockTaskPieceLength))
mockPeer := resource.NewPeer(mockPeerID, mockResourceConfig, mockTask, host)
tc.mock(host, mockPeer)
tc.expect(t, calculateFreeUploadScore(host))
})
}
}
func TestEvaluatorBase_calculateHostTypeScore(t *testing.T) {
tests := []struct {
name string
mock func(peer *resource.Peer)
expect func(t *testing.T, score float64)
}{
{
name: "host is normal peer",
mock: func(peer *resource.Peer) {},
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(0.5))
},
},
{
name: "host is seed peer but peer state is PeerStateSucceeded",
mock: func(peer *resource.Peer) {
peer.FSM.SetState(resource.PeerStateSucceeded)
peer.Host.Type = types.HostTypeSuperSeed
},
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(0))
},
},
{
name: "host is seed peer but peer state is PeerStateRunning",
mock: func(peer *resource.Peer) {
peer.FSM.SetState(resource.PeerStateRunning)
peer.Host.Type = types.HostTypeSuperSeed
},
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(1))
},
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
mockHost := resource.NewHost(
mockRawHost.ID, mockRawHost.IP, mockRawHost.Hostname,
mockRawHost.Port, mockRawHost.DownloadPort, mockRawHost.Type)
mockTask := resource.NewTask(mockTaskID, mockTaskURL, mockTaskTag, mockTaskApplication, commonv2.TaskType_DFDAEMON, mockTaskFilters, mockTaskHeader, mockTaskBackToSourceLimit, resource.WithDigest(mockTaskDigest), resource.WithPieceLength(mockTaskPieceLength))
peer := resource.NewPeer(mockPeerID, mockResourceConfig, mockTask, mockHost)
tc.mock(peer)
tc.expect(t, calculateHostTypeScore(peer))
})
}
}
func TestEvaluatorBase_calculateIDCAffinityScore(t *testing.T) {
tests := []struct {
name string
mock func(dstHost *resource.Host, srcHost *resource.Host)
expect func(t *testing.T, score float64)
}{
{
name: "idc is empty",
mock: func(dstHost *resource.Host, srcHost *resource.Host) {
dstHost.Network.IDC = ""
srcHost.Network.IDC = ""
},
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(0))
},
},
{
name: "dst host idc is empty",
mock: func(dstHost *resource.Host, srcHost *resource.Host) {
dstHost.Network.IDC = ""
},
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(0))
},
},
{
name: "src host idc is empty",
mock: func(dstHost *resource.Host, srcHost *resource.Host) {
srcHost.Network.IDC = ""
},
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(0))
},
},
{
name: "idc is not the same",
mock: func(dstHost *resource.Host, srcHost *resource.Host) {
dstHost.Network.IDC = "foo"
srcHost.Network.IDC = "bar"
},
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(0))
},
},
{
name: "idc is the same",
mock: func(dstHost *resource.Host, srcHost *resource.Host) {
dstHost.Network.IDC = "example"
srcHost.Network.IDC = "example"
},
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(1))
},
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
dstHost := resource.NewHost(
mockRawHost.ID, mockRawHost.IP, mockRawHost.Hostname,
mockRawHost.Port, mockRawHost.DownloadPort, mockRawHost.Type)
srcHost := resource.NewHost(
mockRawSeedHost.ID, mockRawSeedHost.IP, mockRawSeedHost.Hostname,
mockRawSeedHost.Port, mockRawSeedHost.DownloadPort, mockRawSeedHost.Type)
tc.mock(dstHost, srcHost)
tc.expect(t, calculateIDCAffinityScore(dstHost.Network.IDC, srcHost.Network.IDC))
})
}
}
func TestEvaluatorBase_calculateMultiElementAffinityScore(t *testing.T) {
tests := []struct {
name string
dst string
src string
expect func(t *testing.T, score float64)
}{
{
name: "dst is empty and src is empty",
dst: "",
src: "",
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(0))
},
},
{
name: "dst is empty",
dst: "",
src: "baz",
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(0))
},
},
{
name: "src is empty",
dst: "bar",
src: "",
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(0))
},
},
{
name: "has only one element and matches",
dst: "foo",
src: "foo",
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(1))
},
},
{
name: "has only one element and does not match",
dst: "foo",
src: "bar",
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(0))
},
},
{
name: "has multi element and match",
dst: "foo|bar",
src: "foo|bar",
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(1))
},
},
{
name: "has multi element and does not match",
dst: "foo|bar",
src: "bar|foo",
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(0))
},
},
{
name: "dst length is greater than src",
dst: "foo|bar|baz",
src: "foo|bar",
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(0.4))
},
},
{
name: "src length is greater than dst",
dst: "foo|bar",
src: "foo|bar|baz",
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(0.4))
},
},
{
name: "dst exceeds maximum length",
dst: "foo|bar|baz|bac|bae|baf",
src: "foo|bar|baz",
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(0.6))
},
},
{
name: "src exceeds maximum length",
dst: "foo|bar|baz",
src: "foo|bar|baz|bac|bae|baf",
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(0.6))
},
},
{
name: "dst and src both exceeds maximum length",
dst: "foo|bar|baz|bac|bae|baf",
src: "foo|bar|baz|bac|bae|baf",
expect: func(t *testing.T, score float64) {
assert := assert.New(t)
assert.Equal(score, float64(1))
},
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
tc.expect(t, calculateMultiElementAffinityScore(tc.dst, tc.src))
})
}
}
func TestEvaluatorBase_IsBadNode(t *testing.T) {
mockHost := resource.NewHost(
mockRawHost.ID, mockRawHost.IP, mockRawHost.Hostname,
mockRawHost.Port, mockRawHost.DownloadPort, mockRawHost.Type)
mockTask := resource.NewTask(mockTaskID, mockTaskURL, mockTaskTag, mockTaskApplication, commonv2.TaskType_DFDAEMON, mockTaskFilters, mockTaskHeader, mockTaskBackToSourceLimit, resource.WithDigest(mockTaskDigest), resource.WithPieceLength(mockTaskPieceLength))
tests := []struct {
name string
peer *resource.Peer
totalPieceCount int32
mock func(peer *resource.Peer)
expect func(t *testing.T, isBadNode bool)
}{
{
name: "peer state is PeerStateFailed",
peer: resource.NewPeer(mockPeerID, mockResourceConfig, mockTask, mockHost),
totalPieceCount: 1,
mock: func(peer *resource.Peer) {
peer.FSM.SetState(resource.PeerStateFailed)
},
expect: func(t *testing.T, isBadNode bool) {
assert := assert.New(t)
assert.True(isBadNode)
},
},
{
name: "peer state is PeerStateLeave",
peer: resource.NewPeer(mockPeerID, mockResourceConfig, mockTask, mockHost),
totalPieceCount: 1,
mock: func(peer *resource.Peer) {
peer.FSM.SetState(resource.PeerStateLeave)
},
expect: func(t *testing.T, isBadNode bool) {
assert := assert.New(t)
assert.True(isBadNode)
},
},
{
name: "peer state is PeerStatePending",
peer: resource.NewPeer(mockPeerID, mockResourceConfig, mockTask, mockHost),
totalPieceCount: 1,
mock: func(peer *resource.Peer) {
peer.FSM.SetState(resource.PeerStatePending)
},
expect: func(t *testing.T, isBadNode bool) {
assert := assert.New(t)
assert.True(isBadNode)
},
},
{
name: "peer state is PeerStateReceivedTiny",
peer: resource.NewPeer(mockPeerID, mockResourceConfig, mockTask, mockHost),
totalPieceCount: 1,
mock: func(peer *resource.Peer) {
peer.FSM.SetState(resource.PeerStateReceivedTiny)
},
expect: func(t *testing.T, isBadNode bool) {
assert := assert.New(t)
assert.True(isBadNode)
},
},
{
name: "peer state is PeerStateReceivedSmall",
peer: resource.NewPeer(mockPeerID, mockResourceConfig, mockTask, mockHost),
totalPieceCount: 1,
mock: func(peer *resource.Peer) {
peer.FSM.SetState(resource.PeerStateReceivedSmall)
},
expect: func(t *testing.T, isBadNode bool) {
assert := assert.New(t)
assert.True(isBadNode)
},
},
{
name: "peer state is PeerStateReceivedNormal",
peer: resource.NewPeer(mockPeerID, mockResourceConfig, mockTask, mockHost),
totalPieceCount: 1,
mock: func(peer *resource.Peer) {
peer.FSM.SetState(resource.PeerStateReceivedNormal)
},
expect: func(t *testing.T, isBadNode bool) {
assert := assert.New(t)
assert.True(isBadNode)
},
},
{
name: "download costs does not meet the normal distribution and last cost is twenty times more than mean",
peer: resource.NewPeer(mockPeerID, mockResourceConfig, mockTask, mockHost),
totalPieceCount: 1,
mock: func(peer *resource.Peer) {
peer.FSM.SetState(resource.PeerStateRunning)
peer.AppendPieceCost(10)
peer.AppendPieceCost(201)
},
expect: func(t *testing.T, isBadNode bool) {
assert := assert.New(t)
assert.True(isBadNode)
},
},
{
name: "download costs does not meet the normal distribution and last cost is twenty times lower than mean",
peer: resource.NewPeer(mockPeerID, mockResourceConfig, mockTask, mockHost),
totalPieceCount: 1,
mock: func(peer *resource.Peer) {
peer.FSM.SetState(resource.PeerStateRunning)
peer.AppendPieceCost(10)
peer.AppendPieceCost(200)
},
expect: func(t *testing.T, isBadNode bool) {
assert := assert.New(t)
assert.False(isBadNode)
},
},
{
name: "download costs meet the normal distribution and last cost is too long",
peer: resource.NewPeer(mockPeerID, mockResourceConfig, mockTask, mockHost),
totalPieceCount: 1,
mock: func(peer *resource.Peer) {
peer.FSM.SetState(resource.PeerStateRunning)
for i := 0; i < 30; i++ {
peer.AppendPieceCost(time.Duration(i))
}
peer.AppendPieceCost(50)
},
expect: func(t *testing.T, isBadNode bool) {
assert := assert.New(t)
assert.True(isBadNode)
},
},
{
name: "download costs meet the normal distribution and last cost is normal",
peer: resource.NewPeer(mockPeerID, mockResourceConfig, mockTask, mockHost),
totalPieceCount: 1,
mock: func(peer *resource.Peer) {
peer.FSM.SetState(resource.PeerStateRunning)
for i := 0; i < 30; i++ {
peer.AppendPieceCost(time.Duration(i))
}
peer.AppendPieceCost(18)
},
expect: func(t *testing.T, isBadNode bool) {
assert := assert.New(t)
assert.False(isBadNode)
},
},
{
name: "download costs meet the normal distribution and last cost is too short",
peer: resource.NewPeer(mockPeerID, mockResourceConfig, mockTask, mockHost),
totalPieceCount: 1,
mock: func(peer *resource.Peer) {
peer.FSM.SetState(resource.PeerStateRunning)
for i := 20; i < 50; i++ {
peer.AppendPieceCost(time.Duration(i))
}
peer.AppendPieceCost(0)
},
expect: func(t *testing.T, isBadNode bool) {
assert := assert.New(t)
assert.False(isBadNode)
},
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
eb := NewEvaluatorBase()
tc.mock(tc.peer)
tc.expect(t, eb.IsBadNode(tc.peer))
})
}
}