Golang TestServer.Start方法代码示例

func newCLITest() cliTest {
	// Reset the client context for each test. We don't reset the
	// pointer (because they are tied into the flags), but instead
	// overwrite the existing struct's values.
	baseCtx.InitDefaults()

	osStderr = os.Stdout

	var s server.TestServer
	if err := s.Start(); err != nil {
		log.Fatalf("Could not start server: %v", err)
	}

	tempDir, err := ioutil.TempDir("", "cli-test")
	if err != nil {
		log.Fatal(err)
	}

	// Copy these assets to disk from embedded strings, so this test can
	// run from a standalone binary.
	// Disable embedded certs, or the security library will try to load
	// our real files as embedded assets.
	security.ResetReadFileFn()

	assets := []string{
		filepath.Join(security.EmbeddedCertsDir, security.EmbeddedCACert),
		filepath.Join(security.EmbeddedCertsDir, security.EmbeddedCAKey),
		filepath.Join(security.EmbeddedCertsDir, security.EmbeddedNodeCert),
		filepath.Join(security.EmbeddedCertsDir, security.EmbeddedNodeKey),
		filepath.Join(security.EmbeddedCertsDir, security.EmbeddedRootCert),
		filepath.Join(security.EmbeddedCertsDir, security.EmbeddedRootKey),
	}

	for _, a := range assets {
		securitytest.RestrictedCopy(nil, a, tempDir, filepath.Base(a))
	}

	return cliTest{
		TestServer: s,
		certsDir:   tempDir,
		cleanupFunc: func() {
			if err := os.RemoveAll(tempDir); err != nil {
				log.Fatal(err)
			}
		},
	}
}

func TestDB_Put_insecure(t *testing.T) {
	defer leaktest.AfterTest(t)()
	ctx := server.MakeTestContext()
	ctx.Insecure = true
	s := server.TestServer{
		Ctx: &ctx,
	}
	if err := s.Start(); err != nil {
		log.Fatalf("Could not start server: %v", err)
	}
	defer s.Stop()

	db := s.DB()
	if err := db.Put("aa", "1"); err != nil {
		panic(err)
	}
	result, err := db.Get("aa")
	if err != nil {
		panic(err)
	}
	checkResult(t, []byte("1"), result.ValueBytes())
}

func ExampleDB_Put_insecure() {
	ctx := server.MakeTestContext()
	ctx.Insecure = true
	s := server.TestServer{
		Ctx: &ctx,
	}
	if err := s.Start(); err != nil {
		log.Fatalf("Could not start server: %v", err)
	}
	defer s.Stop()

	db := s.DB()
	if err := db.Put("aa", "1"); err != nil {
		panic(err)
	}
	result, err := db.Get("aa")
	if err != nil {
		panic(err)
	}
	fmt.Printf("aa=%s\n", result.ValueBytes())

	// Output:
	// aa=1
}

// TestRequestToUninitializedRange tests the behavior when a request
// is sent to a node which should be a replica of the correct range
// but has not yet received its initial snapshot. This would
// previously panic due to a malformed error response from the server,
// as seen in https://github.com/cockroachdb/cockroach/issues/6027.
//
// Prior to the other changes in the commit that introduced it, this
// test would reliable trigger the panic from #6027. However, it
// relies on some hacky tricks to both trigger the panic and shut down
// cleanly. If this test needs a lot of maintenance in the future we
// should be willing to get rid of it.
func TestRequestToUninitializedRange(t *testing.T) {
	defer leaktest.AfterTest(t)()
	s := server.TestServer{StoresPerNode: 2}
	if err := s.Start(); err != nil {
		t.Fatalf("Could not start server: %v", err)
	}
	defer s.Stop()

	// Choose a range ID that is much larger than any that would be
	// created by initial splits.
	const rangeID = roachpb.RangeID(1000)

	// Set up a range with replicas on two stores of the same node. This
	// ensures that the DistSender will consider both replicas healthy
	// and will try to talk to both (so we can get a non-retryable error
	// from the second store).
	replica1 := roachpb.ReplicaDescriptor{
		NodeID:    1,
		StoreID:   1,
		ReplicaID: 1,
	}
	replica2 := roachpb.ReplicaDescriptor{
		NodeID:    1,
		StoreID:   2,
		ReplicaID: 2,
	}

	// HACK: remove the second store from the node to generate a
	// non-retryable error when we try to talk to it.
	store2, err := s.Stores().GetStore(2)
	if err != nil {
		t.Fatal(err)
	}
	s.Stores().RemoveStore(store2)

	// Create the uninitialized range by sending an isolated raft
	// message to the first store.
	conn, err := s.RPCContext().GRPCDial(s.ServingAddr())
	if err != nil {
		t.Fatal(err)
	}
	raftClient := storage.NewMultiRaftClient(conn)
	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()
	stream, err := raftClient.RaftMessage(ctx)
	if err != nil {
		t.Fatal(err)
	}
	msg := storage.RaftMessageRequest{
		GroupID:     rangeID,
		ToReplica:   replica1,
		FromReplica: replica2,
		Message: raftpb.Message{
			Type: raftpb.MsgApp,
			To:   1,
		},
	}
	if err := stream.Send(&msg); err != nil {
		t.Fatal(err)
	}

	// Make sure the replica was created.
	store1, err := s.Stores().GetStore(1)
	if err != nil {
		t.Fatal(err)
	}
	util.SucceedsSoon(t, func() error {
		if replica, err := store1.GetReplica(rangeID); err != nil {
			return util.Errorf("failed to look up replica: %s", err)
		} else if replica.IsInitialized() {
			return util.Errorf("expected replica to be uninitialized")
		}
		return nil
	})

	// Create our own DistSender so we can force some requests to the
	// bogus range. The DistSender needs to be in scope for its own
	// MockRangeDescriptorDB closure.
	var sender *kv.DistSender
	sender = kv.NewDistSender(&kv.DistSenderContext{
		Clock:      s.Clock(),
		RPCContext: s.RPCContext(),
		RangeDescriptorDB: kv.MockRangeDescriptorDB(
			func(key roachpb.RKey, considerIntents, useReverseScan bool,
			) ([]roachpb.RangeDescriptor, []roachpb.RangeDescriptor, *roachpb.Error) {
				if key.Equal(roachpb.RKeyMin) {
					// Pass through requests for the first range to the real sender.
					desc, err := sender.FirstRange()
					if err != nil {
//.........这里部分代码省略.........

func TestQuery(t *testing.T) {
	defer leaktest.AfterTest(t)()
	var tsrv server.TestServer
	if err := tsrv.Start(); err != nil {
		t.Fatal(err)
	}
	defer tsrv.Stop()

	// Populate data directly.
	tsdb := tsrv.TsDB()
	if err := tsdb.StoreData(ts.Resolution10s, []tspb.TimeSeriesData{
		{
			Name:   "test.metric",
			Source: "source1",
			Datapoints: []tspb.TimeSeriesDatapoint{
				{
					TimestampNanos: 400 * 1e9,
					Value:          100.0,
				},
				{
					TimestampNanos: 500 * 1e9,
					Value:          200.0,
				},
				{
					TimestampNanos: 520 * 1e9,
					Value:          300.0,
				},
			},
		},
		{
			Name:   "test.metric",
			Source: "source2",
			Datapoints: []tspb.TimeSeriesDatapoint{
				{
					TimestampNanos: 400 * 1e9,
					Value:          100.0,
				},
				{
					TimestampNanos: 500 * 1e9,
					Value:          200.0,
				},
				{
					TimestampNanos: 510 * 1e9,
					Value:          250.0,
				},
				{
					TimestampNanos: 530 * 1e9,
					Value:          350.0,
				},
			},
		},
		{
			Name: "other.metric",
			Datapoints: []tspb.TimeSeriesDatapoint{
				{
					TimestampNanos: 400 * 1e9,
					Value:          100.0,
				},
				{
					TimestampNanos: 500 * 1e9,
					Value:          200.0,
				},
				{
					TimestampNanos: 510 * 1e9,
					Value:          250.0,
				},
			},
		},
	}); err != nil {
		t.Fatal(err)
	}

	expectedResult := &tspb.TimeSeriesQueryResponse{
		Results: []tspb.TimeSeriesQueryResponse_Result{
			{
				Query: tspb.Query{
					Name:             "test.metric",
					Sources:          []string{"source1", "source2"},
					Downsampler:      tspb.TimeSeriesQueryAggregator_AVG.Enum(),
					SourceAggregator: tspb.TimeSeriesQueryAggregator_SUM.Enum(),
					Derivative:       tspb.TimeSeriesQueryDerivative_NONE.Enum(),
				},
				Datapoints: []tspb.TimeSeriesDatapoint{
					{
						TimestampNanos: 505 * 1e9,
						Value:          400.0,
					},
					{
						TimestampNanos: 515 * 1e9,
						Value:          500.0,
					},
					{
						TimestampNanos: 525 * 1e9,
						Value:          600.0,
					},
				},
			},
			{
				Query: tspb.Query{
					Name:             "other.metric",
//.........这里部分代码省略.........

func TestHttpQuery(t *testing.T) {
	defer leaktest.AfterTest(t)()
	var tsrv server.TestServer
	if err := tsrv.Start(); err != nil {
		t.Fatal(err)
	}
	defer tsrv.Stop()

	// Populate data directly.
	tsdb := tsrv.TsDB()
	if err := tsdb.StoreData(ts.Resolution10s, []ts.TimeSeriesData{
		{
			Name:   "test.metric",
			Source: "source1",
			Datapoints: []ts.TimeSeriesDatapoint{
				{
					TimestampNanos: 400 * 1e9,
					Value:          100.0,
				},
				{
					TimestampNanos: 500 * 1e9,
					Value:          200.0,
				},
				{
					TimestampNanos: 520 * 1e9,
					Value:          300.0,
				},
			},
		},
		{
			Name:   "test.metric",
			Source: "source2",
			Datapoints: []ts.TimeSeriesDatapoint{
				{
					TimestampNanos: 400 * 1e9,
					Value:          100.0,
				},
				{
					TimestampNanos: 500 * 1e9,
					Value:          200.0,
				},
				{
					TimestampNanos: 510 * 1e9,
					Value:          250.0,
				},
				{
					TimestampNanos: 530 * 1e9,
					Value:          350.0,
				},
			},
		},
		{
			Name: "other.metric",
			Datapoints: []ts.TimeSeriesDatapoint{
				{
					TimestampNanos: 400 * 1e9,
					Value:          100.0,
				},
				{
					TimestampNanos: 500 * 1e9,
					Value:          200.0,
				},
				{
					TimestampNanos: 510 * 1e9,
					Value:          250.0,
				},
			},
		},
	}); err != nil {
		t.Fatal(err)
	}

	expectedResult := ts.TimeSeriesQueryResponse{
		Results: []ts.TimeSeriesQueryResponse_Result{
			{
				Query: ts.Query{
					Name:             "test.metric",
					Sources:          []string{"source1", "source2"},
					Downsampler:      ts.TimeSeriesQueryAggregator_AVG.Enum(),
					SourceAggregator: ts.TimeSeriesQueryAggregator_SUM.Enum(),
					Derivative:       ts.TimeSeriesQueryDerivative_NONE.Enum(),
				},
				Datapoints: []ts.TimeSeriesDatapoint{
					{
						TimestampNanos: 505 * 1e9,
						Value:          400.0,
					},
					{
						TimestampNanos: 515 * 1e9,
						Value:          500.0,
					},
					{
						TimestampNanos: 525 * 1e9,
						Value:          600.0,
					},
				},
			},
			{
				Query: ts.Query{
					Name:             "other.metric",
//.........这里部分代码省略.........

// This is a fairly high-level test of CA and node certificates.
// We construct SSL server and clients and use the generated certs.
func TestUseCerts(t *testing.T) {
	defer leaktest.AfterTest(t)()
	// Do not mock cert access for this test.
	security.ResetReadFileFn()
	defer ResetTest()
	certsDir := util.CreateTempDir(t, "certs_test")
	defer util.CleanupDir(certsDir)

	err := security.RunCreateCACert(
		filepath.Join(certsDir, security.EmbeddedCACert),
		filepath.Join(certsDir, security.EmbeddedCAKey),
		512)
	if err != nil {
		t.Fatalf("Expected success, got %v", err)
	}

	err = security.RunCreateNodeCert(
		filepath.Join(certsDir, security.EmbeddedCACert),
		filepath.Join(certsDir, security.EmbeddedCAKey),
		filepath.Join(certsDir, security.EmbeddedNodeCert),
		filepath.Join(certsDir, security.EmbeddedNodeKey),
		512, []string{"127.0.0.1"})
	if err != nil {
		t.Fatalf("Expected success, got %v", err)
	}

	err = security.RunCreateClientCert(
		filepath.Join(certsDir, security.EmbeddedCACert),
		filepath.Join(certsDir, security.EmbeddedCAKey),
		filepath.Join(certsDir, security.EmbeddedRootCert),
		filepath.Join(certsDir, security.EmbeddedRootKey),
		512, security.RootUser)
	if err != nil {
		t.Fatalf("Expected success, got %v", err)
	}

	// Load TLS Configs. This is what TestServer and HTTPClient do internally.
	_, err = security.LoadServerTLSConfig(
		filepath.Join(certsDir, security.EmbeddedCACert),
		filepath.Join(certsDir, security.EmbeddedNodeCert),
		filepath.Join(certsDir, security.EmbeddedNodeKey))
	if err != nil {
		t.Fatalf("Expected success, got %v", err)
	}
	_, err = security.LoadClientTLSConfig(
		filepath.Join(certsDir, security.EmbeddedCACert),
		filepath.Join(certsDir, security.EmbeddedNodeCert),
		filepath.Join(certsDir, security.EmbeddedNodeKey))
	if err != nil {
		t.Fatalf("Expected success, got %v", err)
	}

	// Start a test server and override certs.
	// We use a real context since we want generated certs.
	ctx := server.MakeContext()
	ctx.Insecure = false
	ctx.SSLCA = filepath.Join(certsDir, security.EmbeddedCACert)
	ctx.SSLCert = filepath.Join(certsDir, security.EmbeddedNodeCert)
	ctx.SSLCertKey = filepath.Join(certsDir, security.EmbeddedNodeKey)
	ctx.User = security.NodeUser
	ctx.Addr = "127.0.0.1:0"
	ctx.HTTPAddr = "127.0.0.1:0"
	s := server.TestServer{Ctx: &ctx}
	if err := s.Start(); err != nil {
		t.Fatal(err)
	}
	defer s.Stop()

	// Insecure mode.
	clientContext := testutils.NewNodeTestBaseContext()
	clientContext.Insecure = true
	httpClient, err := clientContext.GetHTTPClient()
	if err != nil {
		t.Fatal(err)
	}
	req, err := http.NewRequest("GET", s.Ctx.AdminURL()+"/_admin/v1/health", nil)
	if err != nil {
		t.Fatalf("could not create request: %v", err)
	}
	resp, err := httpClient.Do(req)
	if err == nil {
		resp.Body.Close()
		t.Fatalf("Expected SSL error, got success")
	}

	// Secure mode but no Certs: permissive config.
	clientContext = testutils.NewNodeTestBaseContext()
	clientContext.Insecure = false
	clientContext.SSLCert = ""
	httpClient, err = clientContext.GetHTTPClient()
	if err != nil {
		t.Fatal(err)
	}
	// Endpoint that does not enforce client auth (see: server/authentication_test.go)
	req, err = http.NewRequest("GET", s.Ctx.AdminURL()+"/_admin/v1/health", nil)
	if err != nil {
		t.Fatalf("could not create request: %v", err)
	}
//.........这里部分代码省略.........