cleanup: replace dial with newclient

balancer/rls/balancer_test.go

@@ -333,11 +333,12 @@ func (s) TestConfigUpdate_ChildPolicyConfigs(t *testing.T) {
 	// Register a manual resolver and push the RLS service config through it.
 	r := startManualResolverWithConfig(t, rlsConfig)
 
-	cc, err := grpc.Dial(r.Scheme()+":///", grpc.WithResolvers(r), grpc.WithTransportCredentials(insecure.NewCredentials()))
+	cc, err := grpc.NewClient(r.Scheme()+":///", grpc.WithResolvers(r), grpc.WithTransportCredentials(insecure.NewCredentials()))
 	if err != nil {
-		t.Fatalf("grpc.Dial() failed: %v", err)
+		t.Fatalf("grpc.NewClient() failed: %v", err)
 	}
 	defer cc.Close()
+	cc.Connect()
 
 	// At this point, the RLS LB policy should have received its config, and
 	// should have created a child policy for the default target.
@@ -448,11 +449,12 @@ func (s) TestConfigUpdate_ChildPolicyChange(t *testing.T) {
 	// Register a manual resolver and push the RLS service config through it.
 	r := startManualResolverWithConfig(t, rlsConfig)
 
-	cc, err := grpc.Dial(r.Scheme()+":///", grpc.WithResolvers(r), grpc.WithTransportCredentials(insecure.NewCredentials()))
+	cc, err := grpc.NewClient(r.Scheme()+":///", grpc.WithResolvers(r), grpc.WithTransportCredentials(insecure.NewCredentials()))
 	if err != nil {
-		t.Fatalf("grpc.Dial() failed: %v", err)
+		t.Fatalf("grpc.NewClient() failed: %v", err)
 	}
 	defer cc.Close()
+	cc.Connect()
 
 	// At this point, the RLS LB policy should have received its config, and
 	// should have created a child policy for the default target.
@@ -603,11 +605,12 @@ func (s) TestConfigUpdate_DataCacheSizeDecrease(t *testing.T) {
 	// Register a manual resolver and push the RLS service config through it.
 	r := startManualResolverWithConfig(t, rlsConfig)
 
-	cc, err := grpc.Dial(r.Scheme()+":///", grpc.WithResolvers(r), grpc.WithTransportCredentials(insecure.NewCredentials()))
+	cc, err := grpc.NewClient(r.Scheme()+":///", grpc.WithResolvers(r), grpc.WithTransportCredentials(insecure.NewCredentials()))
 	if err != nil {
-		t.Fatalf("grpc.Dial() failed: %v", err)
+		t.Fatalf("grpc.NewClient() failed: %v", err)
 	}
 	defer cc.Close()
+	cc.Connect()
 
 	<-clientConnUpdateDone
 
@@ -769,11 +772,12 @@ func (s) TestPickerUpdateOnDataCacheSizeDecrease(t *testing.T) {
 	sc := internal.ParseServiceConfig.(func(string) *serviceconfig.ParseResult)(scJSON)
 	r.InitialState(resolver.State{ServiceConfig: sc})
 
-	cc, err := grpc.Dial(r.Scheme()+":///", grpc.WithResolvers(r), grpc.WithTransportCredentials(insecure.NewCredentials()))
+	cc, err := grpc.NewClient(r.Scheme()+":///", grpc.WithResolvers(r), grpc.WithTransportCredentials(insecure.NewCredentials()))
 	if err != nil {
-		t.Fatalf("create grpc.Dial() failed: %v", err)
+		t.Fatalf("create grpc.NewClient() failed: %v", err)
 	}
 	defer cc.Close()
+	cc.Connect()
 
 	<-clientConnUpdateDone
 
@@ -1151,11 +1155,12 @@ func (s) TestUpdateStatePauses(t *testing.T) {
 	sc := internal.ParseServiceConfig.(func(string) *serviceconfig.ParseResult)(scJSON)
 	r.InitialState(resolver.State{ServiceConfig: sc})
 
-	cc, err := grpc.Dial(r.Scheme()+":///", grpc.WithResolvers(r), grpc.WithTransportCredentials(insecure.NewCredentials()))
+	cc, err := grpc.NewClient(r.Scheme()+":///", grpc.WithResolvers(r), grpc.WithTransportCredentials(insecure.NewCredentials()))
 	if err != nil {
-		t.Fatalf("grpc.Dial() failed: %v", err)
+		t.Fatalf("grpc.NewClient() failed: %v", err)
 	}
 	defer cc.Close()
+	cc.Connect()
 
 	// Wait for the clientconn update to be processed by the RLS LB policy.
 	ctx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout)

internal/idle/idle_e2e_test.go

@@ -131,20 +131,24 @@ func (s) TestChannelIdleness_Disabled_NoActivity(t *testing.T) {
 		grpc.WithIdleTimeout(0), // Disable idleness.
 		grpc.WithDefaultServiceConfig(`{"loadBalancingConfig": [{"round_robin":{}}]}`),
 	}
-	cc, err := grpc.Dial(r.Scheme()+":///test.server", dopts...)
+	cc, err := grpc.NewClient(r.Scheme()+":///test.server", dopts...)
 	if err != nil {
-		t.Fatalf("grpc.Dial() failed: %v", err)
+		t.Fatalf("grpc.NewClient() failed: %v", err)
 	}
 	defer cc.Close()
 
 	// Start a test backend and push an address update via the resolver.
 	backend := stubserver.StartTestService(t, nil)
 	defer backend.Stop()
-	r.UpdateState(resolver.State{Addresses: []resolver.Address{{Addr: backend.Address}}})
+	r.InitialState(resolver.State{Addresses: []resolver.Address{{Addr: backend.Address}}})
 
-	// Verify that the ClientConn moves to READY.
+	// Trigger the resolver by initiating an RPC.
 	ctx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout)
 	defer cancel()
+	go func() {
+		_ = cc.Invoke(ctx, "/test/method", nil, nil)
+	}()
+	// Verify that the ClientConn moves to READY.
 	testutils.AwaitState(ctx, t, cc, connectivity.Ready)
 
 	// Verify that the ClientConn stays in READY.
@@ -177,21 +181,25 @@ func (s) TestChannelIdleness_Enabled_NoActivity(t *testing.T) {
 		grpc.WithIdleTimeout(defaultTestShortIdleTimeout),
 		grpc.WithDefaultServiceConfig(`{"loadBalancingConfig": [{"round_robin":{}}]}`),
 	}
-	cc, err := grpc.Dial(r.Scheme()+":///test.server", dopts...)
+	cc, err := grpc.NewClient(r.Scheme()+":///test.server", dopts...)
 	if err != nil {
-		t.Fatalf("grpc.Dial() failed: %v", err)
+		t.Fatalf("grpc.NewClient() failed: %v", err)
 	}
 	defer cc.Close()
 
 	// Start a test backend and push an address update via the resolver.
 	lis := testutils.NewListenerWrapper(t, nil)
 	backend := stubserver.StartTestService(t, &stubserver.StubServer{Listener: lis})
 	defer backend.Stop()
-	r.UpdateState(resolver.State{Addresses: []resolver.Address{{Addr: backend.Address}}})
+	r.InitialState(resolver.State{Addresses: []resolver.Address{{Addr: backend.Address}}})
 
-	// Verify that the ClientConn moves to READY.
+	// Verify that the ClientConn moves to READY and trigger the resolver by
+	//  initiating an RPC.
 	ctx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout)
 	defer cancel()
+	go func() {
+		_ = cc.Invoke(ctx, "/test/method", nil, nil)
+	}()
 	testutils.AwaitState(ctx, t, cc, connectivity.Ready)
 
 	// Retrieve the wrapped conn from the listener.
@@ -265,9 +273,9 @@ func (s) TestChannelIdleness_Enabled_OngoingCall(t *testing.T) {
 				grpc.WithIdleTimeout(defaultTestShortIdleTimeout),
 				grpc.WithDefaultServiceConfig(`{"loadBalancingConfig": [{"round_robin":{}}]}`),
 			}
-			cc, err := grpc.Dial(r.Scheme()+":///test.server", dopts...)
+			cc, err := grpc.NewClient(r.Scheme()+":///test.server", dopts...)
 			if err != nil {
-				t.Fatalf("grpc.Dial() failed: %v", err)
+				t.Fatalf("grpc.NewClient() failed: %v", err)
 			}
 			defer cc.Close()
 
@@ -291,11 +299,15 @@ func (s) TestChannelIdleness_Enabled_OngoingCall(t *testing.T) {
 
 			// Push an address update containing the address of the above
 			// backend via the manual resolver.
-			r.UpdateState(resolver.State{Addresses: []resolver.Address{{Addr: backend.Address}}})
+			r.InitialState(resolver.State{Addresses: []resolver.Address{{Addr: backend.Address}}})
 
-			// Verify that the ClientConn moves to READY.
+			// Verify that the ClientConn moves to READY and trigger the resolver by
+			//  initiating an RPC.
 			ctx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout)
 			defer cancel()
+			go func() {
+				_ = cc.Invoke(ctx, "/test/method", nil, nil)
+			}()
 			testutils.AwaitState(ctx, t, cc, connectivity.Ready)
 
 			// Spawn a goroutine to check for expected behavior while a blocking
@@ -354,20 +366,24 @@ func (s) TestChannelIdleness_Enabled_ActiveSinceLastCheck(t *testing.T) {
 		grpc.WithIdleTimeout(defaultTestShortIdleTimeout),
 		grpc.WithDefaultServiceConfig(`{"loadBalancingConfig": [{"round_robin":{}}]}`),
 	}
-	cc, err := grpc.Dial(r.Scheme()+":///test.server", dopts...)
+	cc, err := grpc.NewClient(r.Scheme()+":///test.server", dopts...)
 	if err != nil {
-		t.Fatalf("grpc.Dial() failed: %v", err)
+		t.Fatalf("grpc.NewClient() failed: %v", err)
 	}
 	defer cc.Close()
 
 	// Start a test backend and push an address update via the resolver.
 	backend := stubserver.StartTestService(t, nil)
 	defer backend.Stop()
-	r.UpdateState(resolver.State{Addresses: []resolver.Address{{Addr: backend.Address}}})
+	r.InitialState(resolver.State{Addresses: []resolver.Address{{Addr: backend.Address}}})
 
-	// Verify that the ClientConn moves to READY.
+	// Verify that the ClientConn moves to READY and trigger the resolver by
+	//  initiating an RPC.
 	ctx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout)
 	defer cancel()
+	go func() {
+		_ = cc.Invoke(ctx, "/test/method", nil, nil)
+	}()
 	testutils.AwaitState(ctx, t, cc, connectivity.Ready)
 
 	// For a duration of three times the configured idle timeout, making RPCs
@@ -423,15 +439,20 @@ func (s) TestChannelIdleness_Enabled_ExitIdleOnRPC(t *testing.T) {
 		grpc.WithIdleTimeout(defaultTestShortIdleTimeout),
 		grpc.WithDefaultServiceConfig(`{"loadBalancingConfig": [{"round_robin":{}}]}`),
 	}
-	cc, err := grpc.Dial(r.Scheme()+":///test.server", dopts...)
+	cc, err := grpc.NewClient(r.Scheme()+":///test.server", dopts...)
 	if err != nil {
-		t.Fatalf("grpc.Dial() failed: %v", err)
+		t.Fatalf("grpc.NewClient() failed: %v", err)
 	}
 	defer cc.Close()
 
-	// Verify that the ClientConn moves to READY.
+	// Verify that the ClientConn moves to READY and trigger the resolver by
+	// initiating an RPC.
 	ctx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout)
 	defer cancel()
+	go func() {
+		_ = cc.Invoke(ctx, "/test/method", nil, nil)
+	}()
+
 	testutils.AwaitState(ctx, t, cc, connectivity.Ready)
 
 	// Verify that the ClientConn moves to IDLE as there is no activity.

orca/producer_test.go

@@ -153,12 +153,12 @@ func (s) TestProducer(t *testing.T) {
 	li := &listenerInfo{scChan: make(chan balancer.SubConn, 1), listener: oobLis, opts: lisOpts}
 	addr := setListenerInfo(resolver.Address{Addr: lis.Addr().String()}, li)
 	r.InitialState(resolver.State{Addresses: []resolver.Address{addr}})
-	cc, err := grpc.Dial("whatever:///whatever", grpc.WithDefaultServiceConfig(`{"loadBalancingConfig": [{"customLB":{}}]}`), grpc.WithResolvers(r), grpc.WithTransportCredentials(insecure.NewCredentials()))
+	cc, err := grpc.NewClient("whatever:///whatever", grpc.WithDefaultServiceConfig(`{"loadBalancingConfig": [{"customLB":{}}]}`), grpc.WithResolvers(r), grpc.WithTransportCredentials(insecure.NewCredentials()))
 	if err != nil {
-		t.Fatalf("grpc.Dial failed: %v", err)
+		t.Fatalf("grpc.NewClient() failed: %v", err)
 	}
 	defer cc.Close()
-
+	cc.Connect()
 	// Set a few metrics and wait for them on the client side.
 	smr.SetCPUUtilization(10)
 	smr.SetMemoryUtilization(0.1)
@@ -319,10 +319,11 @@ func (s) TestProducerBackoff(t *testing.T) {
 	lisOpts := orca.OOBListenerOptions{ReportInterval: reportInterval}
 	li := &listenerInfo{scChan: make(chan balancer.SubConn, 1), listener: oobLis, opts: lisOpts}
 	r.InitialState(resolver.State{Addresses: []resolver.Address{setListenerInfo(resolver.Address{Addr: lis.Addr().String()}, li)}})
-	cc, err := grpc.Dial("whatever:///whatever", grpc.WithDefaultServiceConfig(`{"loadBalancingConfig": [{"customLB":{}}]}`), grpc.WithResolvers(r), grpc.WithTransportCredentials(insecure.NewCredentials()))
+	cc, err := grpc.NewClient("whatever:///whatever", grpc.WithDefaultServiceConfig(`{"loadBalancingConfig": [{"customLB":{}}]}`), grpc.WithResolvers(r), grpc.WithTransportCredentials(insecure.NewCredentials()))
 	if err != nil {
-		t.Fatalf("grpc.Dial failed: %v", err)
+		t.Fatalf("grpc.NewClient failed: %v", err)
 	}
+	cc.Connect()
 	defer cc.Close()
 
 	// Define a load report to send and expect the client to see.
@@ -431,10 +432,11 @@ func (s) TestProducerMultipleListeners(t *testing.T) {
 	lisOpts1 := orca.OOBListenerOptions{ReportInterval: reportInterval1}
 	li := &listenerInfo{scChan: make(chan balancer.SubConn, 1), listener: oobLis1, opts: lisOpts1}
 	r.InitialState(resolver.State{Addresses: []resolver.Address{setListenerInfo(resolver.Address{Addr: lis.Addr().String()}, li)}})
-	cc, err := grpc.Dial("whatever:///whatever", grpc.WithDefaultServiceConfig(`{"loadBalancingConfig": [{"customLB":{}}]}`), grpc.WithResolvers(r), grpc.WithTransportCredentials(insecure.NewCredentials()))
+	cc, err := grpc.NewClient("whatever:///whatever", grpc.WithDefaultServiceConfig(`{"loadBalancingConfig": [{"customLB":{}}]}`), grpc.WithResolvers(r), grpc.WithTransportCredentials(insecure.NewCredentials()))
 	if err != nil {
-		t.Fatalf("grpc.Dial failed: %v", err)
+		t.Fatalf("grpc.NewClient() failed: %v", err)
 	}
+	cc.Connect()
 	defer cc.Close()
 
 	// Ensure the OOB listener is stopped before the client is closed to avoid

resolver/manual/manual_test.go

@@ -59,15 +59,17 @@ func TestResolver(t *testing.T) {
 	})
 
 	t.Run("happy_path", func(t *testing.T) {
-		_, err := grpc.Dial("whatever://localhost",
+		r.InitialState(resolver.State{Addresses: []resolver.Address{
+			{Addr: "ok"},
+		}})
+		cc, err := grpc.NewClient("whatever://localhost",
 			grpc.WithTransportCredentials(insecure.NewCredentials()),
 			grpc.WithResolvers(r))
 		if err != nil {
-			t.Errorf("dial setup error: %v", err)
+			t.Errorf("grpc.NewClient() failed: %v", err)
 		}
-		r.UpdateState(resolver.State{Addresses: []resolver.Address{
-			{Addr: "ok"},
-		}})
+		defer cc.Close()
+		cc.Connect()
 		r.ReportError(errors.New("example"))
 	})
 }

test/authority_test.go

@@ -165,7 +165,7 @@ func (s) TestUnixCustomDialer(t *testing.T) {
 	}
 }
 
-// TestColonPortAuthority does an end to end test with the target for grpc.Dial
+// TestColonPortAuthority does an end to end test with the target for grpc.NewClient
 // being ":[port]". Ensures authority is "localhost:[port]".
 func (s) TestColonPortAuthority(t *testing.T) {
 	expectedAuthority := ""
@@ -194,11 +194,14 @@ func (s) TestColonPortAuthority(t *testing.T) {
 	//
 	// Append "localhost" before calling net.Dial, in case net.Dial on certain
 	// platforms doesn't work well for address without the IP.
-	cc, err := grpc.Dial(":"+port, grpc.WithTransportCredentials(insecure.NewCredentials()), grpc.WithContextDialer(func(ctx context.Context, addr string) (net.Conn, error) {
-		return (&net.Dialer{}).DialContext(ctx, "tcp", "localhost"+addr)
+	cc, err := grpc.NewClient(":"+port, grpc.WithTransportCredentials(insecure.NewCredentials()), grpc.WithContextDialer(func(ctx context.Context, addr string) (net.Conn, error) {
+		if len(addr) > 0 && addr[0] == ':' {
+			addr = "localhost" + addr
+		}
+		return (&net.Dialer{}).DialContext(ctx, "tcp", addr)
 	}))
 	if err != nil {
-		t.Fatalf("grpc.Dial(%q) = %v", ss.Target, err)
+		t.Fatalf("grpc.NewClient(%q) = %v", ss.Target, err)
 	}
 	defer cc.Close()
 	ctx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout)

test/roundrobin_test.go

@@ -266,16 +266,15 @@ func (s) TestRoundRobin_UpdateAddressAttributes(t *testing.T) {
 		grpc.WithResolvers(r),
 		grpc.WithDefaultServiceConfig(rrServiceConfig),
 	}
-	cc, err := grpc.Dial(r.Scheme()+":///test.server", dopts...)
+	// Send a resolver update with no address attributes.
+	addr := resolver.Address{Addr: backend.Address}
+	r.InitialState(resolver.State{Addresses: []resolver.Address{addr}})
+	cc, err := grpc.NewClient(r.Scheme()+":///test.server", dopts...)
 	if err != nil {
-		t.Fatalf("grpc.Dial() failed: %v", err)
+		t.Fatalf("grpc.NewClient() failed: %v", err)
 	}
 	t.Cleanup(func() { cc.Close() })
 
-	// Send a resolver update with no address attributes.
-	addr := resolver.Address{Addr: backend.Address}
-	r.UpdateState(resolver.State{Addresses: []resolver.Address{addr}})
-
 	// Make an RPC and ensure it does not contain the metadata we are looking for.
 	client := testgrpc.NewTestServiceClient(cc)
 	ctx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout)