Add e2e tests

vendor/google.golang.org/grpc/proxy_test.go

@@ -28,6 +28,7 @@ import (
 	"time"
 
 	"golang.org/x/net/context"
+	"google.golang.org/grpc/test/leakcheck"
 )
 
 const (
@@ -45,29 +46,6 @@ func overwrite(hpfe func(req *http.Request) (*url.URL, error)) func() {
 	}
 }
 
-func TestMapAddressEnv(t *testing.T) {
-	// Overwrite the function in the test and restore them in defer.
-	hpfe := func(req *http.Request) (*url.URL, error) {
-		if req.URL.Host == envTestAddr {
-			return &url.URL{
-				Scheme: "https",
-				Host:   envProxyAddr,
-			}, nil
-		}
-		return nil, nil
-	}
-	defer overwrite(hpfe)()
-
-	// envTestAddr should be handled by ProxyFromEnvironment.
-	got, err := mapAddress(context.Background(), envTestAddr)
-	if err != nil {
-		t.Error(err)
-	}
-	if got != envProxyAddr {
-		t.Errorf("want %v, got %v", envProxyAddr, got)
-	}
-}
-
 type proxyServer struct {
 	t   *testing.T
 	lis net.Listener
@@ -118,6 +96,7 @@ func (p *proxyServer) stop() {
 }
 
 func TestHTTPConnect(t *testing.T) {
+	defer leakcheck.Check(t)
 	plis, err := net.Listen("tcp", "localhost:0")
 	if err != nil {
 		t.Fatalf("failed to listen: %v", err)
@@ -175,3 +154,27 @@ func TestHTTPConnect(t *testing.T) {
 		t.Fatalf("received msg: %v, want %v", recvBuf, msg)
 	}
 }
+
+func TestMapAddressEnv(t *testing.T) {
+	defer leakcheck.Check(t)
+	// Overwrite the function in the test and restore them in defer.
+	hpfe := func(req *http.Request) (*url.URL, error) {
+		if req.URL.Host == envTestAddr {
+			return &url.URL{
+				Scheme: "https",
+				Host:   envProxyAddr,
+			}, nil
+		}
+		return nil, nil
+	}
+	defer overwrite(hpfe)()
+
+	// envTestAddr should be handled by ProxyFromEnvironment.
+	got, err := mapAddress(context.Background(), envTestAddr)
+	if err != nil {
+		t.Error(err)
+	}
+	if got != envProxyAddr {
+		t.Errorf("want %v, got %v", envProxyAddr, got)
+	}
+}