add vendoring with go dep

vendor/github.com/influxdata/influxdb/services/udp/service_test.go

@@ -0,0 +1,160 @@
+package udp
+
+import (
+	"errors"
+	"os"
+	"testing"
+	"time"
+
+	"github.com/influxdata/influxdb/internal"
+	"github.com/influxdata/influxdb/models"
+	"github.com/influxdata/influxdb/services/meta"
+	"github.com/uber-go/zap"
+)
+
+func TestService_OpenClose(t *testing.T) {
+	service := NewTestService(nil)
+
+	// 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)
+	}
+}
+
+func TestService_CreatesDatabase(t *testing.T) {
+	t.Parallel()
+
+	s := NewTestService(nil)
+	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 != s.Config.Database {
+			t.Errorf("\n\texp = %s\n\tgot = %s\n", s.Config.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 now be true.
+	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()
+}
+
+type TestService struct {
+	Service       *Service
+	Config        Config
+	MetaClient    *internal.MetaClientMock
+	WritePointsFn func(database, retentionPolicy string, consistencyLevel models.ConsistencyLevel, points []models.Point) error
+}
+
+func NewTestService(c *Config) *TestService {
+	if c == nil {
+		defaultC := NewConfig()
+		c = &defaultC
+	}
+
+	service := &TestService{
+		Service:    NewService(*c),
+		Config:     *c,
+		MetaClient: &internal.MetaClientMock{},
+	}
+
+	if testing.Verbose() {
+		service.Service.WithLogger(zap.New(
+			zap.NewTextEncoder(),
+			zap.Output(os.Stderr),
+		))
+	}
+
+	service.Service.MetaClient = service.MetaClient
+	service.Service.PointsWriter = service
+	return service
+}
+
+func (s *TestService) WritePointsPrivileged(database, retentionPolicy string, consistencyLevel models.ConsistencyLevel, points []models.Point) error {
+	return s.WritePointsFn(database, retentionPolicy, consistencyLevel, points)
+}