/usr/share/gocode/src/github.com/influxdata/influxdb/services/opentsdb/service_test.go is in golang-github-influxdb-influxdb-dev 1.1.1+dfsg1-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 | package opentsdb
import (
"errors"
"fmt"
"io/ioutil"
"log"
"net"
"net/http"
"reflect"
"strings"
"sync/atomic"
"testing"
"time"
"github.com/davecgh/go-spew/spew"
"github.com/influxdata/influxdb/internal"
"github.com/influxdata/influxdb/models"
"github.com/influxdata/influxdb/services/meta"
)
func Test_Service_OpenClose(t *testing.T) {
service := NewTestService("db0", "127.0.0.1:45362")
// Closing a closed service is fine.
if err := service.Service.Close(); err != nil {
t.Fatal(err)
}
// Closing a closed service again is fine.
if err := service.Service.Close(); err != nil {
t.Fatal(err)
}
if err := service.Service.Open(); err != nil {
t.Fatal(err)
}
// Opening an already open service is fine.
if err := service.Service.Open(); err != nil {
t.Fatal(err)
}
// Reopening a previously opened service is fine.
if err := service.Service.Close(); err != nil {
t.Fatal(err)
}
if err := service.Service.Open(); err != nil {
t.Fatal(err)
}
// Tidy up.
if err := service.Service.Close(); err != nil {
t.Fatal(err)
}
}
// Ensure a point can be written via the telnet protocol.
func TestService_CreatesDatabase(t *testing.T) {
t.Parallel()
database := "db0"
s := NewTestService(database, "127.0.0.1:0")
s.WritePointsFn = func(string, string, models.ConsistencyLevel, []models.Point) error {
return nil
}
called := make(chan struct{})
s.MetaClient.CreateDatabaseFn = func(name string) (*meta.DatabaseInfo, error) {
if name != database {
t.Errorf("\n\texp = %s\n\tgot = %s\n", database, name)
}
// Allow some time for the caller to return and the ready status to
// be set.
time.AfterFunc(10*time.Millisecond, func() { called <- struct{}{} })
return nil, errors.New("an error")
}
if err := s.Service.Open(); err != nil {
t.Fatal(err)
}
points, err := models.ParsePointsString(`cpu value=1`)
if err != nil {
t.Fatal(err)
}
s.Service.batcher.In() <- points[0] // Send a point.
s.Service.batcher.Flush()
select {
case <-called:
// OK
case <-time.NewTimer(5 * time.Second).C:
t.Fatal("Service should have attempted to create database")
}
// ready status should not have been switched due to meta client error.
s.Service.mu.RLock()
ready := s.Service.ready
s.Service.mu.RUnlock()
if got, exp := ready, false; got != exp {
t.Fatalf("got %v, expected %v", got, exp)
}
// This time MC won't cause an error.
s.MetaClient.CreateDatabaseFn = func(name string) (*meta.DatabaseInfo, error) {
// Allow some time for the caller to return and the ready status to
// be set.
time.AfterFunc(10*time.Millisecond, func() { called <- struct{}{} })
return nil, nil
}
s.Service.batcher.In() <- points[0] // Send a point.
s.Service.batcher.Flush()
select {
case <-called:
// OK
case <-time.NewTimer(5 * time.Second).C:
t.Fatal("Service should have attempted to create database")
}
// ready status should not have been switched due to meta client error.
s.Service.mu.RLock()
ready = s.Service.ready
s.Service.mu.RUnlock()
if got, exp := ready, true; got != exp {
t.Fatalf("got %v, expected %v", got, exp)
}
s.Service.Close()
}
// Ensure a point can be written via the telnet protocol.
func TestService_Telnet(t *testing.T) {
t.Parallel()
s := NewTestService("db0", "127.0.0.1:0")
if err := s.Service.Open(); err != nil {
t.Fatal(err)
}
defer s.Service.Close()
// Mock points writer.
var called int32
s.WritePointsFn = func(database, retentionPolicy string, consistencyLevel models.ConsistencyLevel, points []models.Point) error {
atomic.StoreInt32(&called, 1)
if database != "db0" {
t.Fatalf("unexpected database: %s", database)
} else if retentionPolicy != "" {
t.Fatalf("unexpected retention policy: %s", retentionPolicy)
} else if !reflect.DeepEqual(points, []models.Point{
models.MustNewPoint(
"sys.cpu.user",
models.NewTags(map[string]string{"host": "webserver01", "cpu": "0"}),
map[string]interface{}{"value": 42.5},
time.Unix(1356998400, 0),
),
}) {
t.Fatalf("unexpected points: %#v", points)
}
return nil
}
// Open connection to the service.
conn, err := net.Dial("tcp", s.Service.Addr().String())
if err != nil {
t.Fatal(err)
}
defer conn.Close()
// Write telnet data and close.
if _, err := conn.Write([]byte("put sys.cpu.user 1356998400 42.5 host=webserver01 cpu=0")); err != nil {
t.Fatal(err)
}
if err := conn.Close(); err != nil {
t.Fatal(err)
}
tick := time.Tick(10 * time.Millisecond)
timeout := time.After(10 * time.Second)
for {
select {
case <-tick:
// Verify that the writer was called.
if atomic.LoadInt32(&called) > 0 {
return
}
case <-timeout:
t.Fatal("points writer not called")
}
}
}
// Ensure a point can be written via the HTTP protocol.
func TestService_HTTP(t *testing.T) {
t.Parallel()
s := NewTestService("db0", "127.0.0.1:0")
if err := s.Service.Open(); err != nil {
t.Fatal(err)
}
defer s.Service.Close()
// Mock points writer.
var called bool
s.WritePointsFn = func(database, retentionPolicy string, consistencyLevel models.ConsistencyLevel, points []models.Point) error {
called = true
if database != "db0" {
t.Fatalf("unexpected database: %s", database)
} else if retentionPolicy != "" {
t.Fatalf("unexpected retention policy: %s", retentionPolicy)
} else if !reflect.DeepEqual(points, []models.Point{
models.MustNewPoint(
"sys.cpu.nice",
models.NewTags(map[string]string{"dc": "lga", "host": "web01"}),
map[string]interface{}{"value": 18.0},
time.Unix(1346846400, 0),
),
}) {
spew.Dump(points)
t.Fatalf("unexpected points: %#v", points)
}
return nil
}
// Write HTTP request to server.
resp, err := http.Post("http://"+s.Service.Addr().String()+"/api/put", "application/json", strings.NewReader(`{"metric":"sys.cpu.nice", "timestamp":1346846400, "value":18, "tags":{"host":"web01", "dc":"lga"}}`))
if err != nil {
t.Fatal(err)
}
defer resp.Body.Close()
// Verify status and body.
if resp.StatusCode != http.StatusNoContent {
t.Fatalf("unexpected status code: %d", resp.StatusCode)
}
// Verify that the writer was called.
if !called {
t.Fatal("points writer not called")
}
}
type TestService struct {
Service *Service
MetaClient *internal.MetaClientMock
WritePointsFn func(database, retentionPolicy string, consistencyLevel models.ConsistencyLevel, points []models.Point) error
}
// NewTestService returns a new instance of Service.
func NewTestService(database string, bind string) *TestService {
s, err := NewService(Config{
BindAddress: bind,
Database: database,
ConsistencyLevel: "one",
})
if err != nil {
panic(err)
}
service := &TestService{
Service: s,
MetaClient: &internal.MetaClientMock{},
}
service.MetaClient.CreateDatabaseFn = func(db string) (*meta.DatabaseInfo, error) {
if got, exp := db, database; got != exp {
return nil, fmt.Errorf("got %v, expected %v", got, exp)
}
return nil, nil
}
if !testing.Verbose() {
service.Service.Logger = log.New(ioutil.Discard, "", log.LstdFlags)
}
service.Service.MetaClient = service.MetaClient
service.Service.PointsWriter = service
return service
}
func (s *TestService) WritePoints(database, retentionPolicy string, consistencyLevel models.ConsistencyLevel, points []models.Point) error {
return s.WritePointsFn(database, retentionPolicy, consistencyLevel, points)
}
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