syscallconn_test.go

Documentation: google.golang.org/grpc/internal/credentials

     1  /*
     2   *
     3   * Copyright 2018 gRPC authors.
     4   *
     5   * Licensed under the Apache License, Version 2.0 (the "License");
     6   * you may not use this file except in compliance with the License.
     7   * You may obtain a copy of the License at
     8   *
     9   *     http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   *
    17   */
    18  
    19  package credentials
    20  
    21  import (
    22  	"net"
    23  	"syscall"
    24  	"testing"
    25  )
    26  
    27  func (*syscallConn) SyscallConn() (syscall.RawConn, error) {
    28  	return nil, nil
    29  }
    30  
    31  type nonSyscallConn struct {
    32  	net.Conn
    33  }
    34  
    35  func (s) TestWrapSyscallConn(t *testing.T) {
    36  	sc := &syscallConn{}
    37  	nsc := &nonSyscallConn{}
    38  
    39  	wrapConn := WrapSyscallConn(sc, nsc)
    40  	if _, ok := wrapConn.(syscall.Conn); !ok {
    41  		t.Errorf("returned conn (type %T) doesn't implement syscall.Conn, want implement", wrapConn)
    42  	}
    43  }
    44  
    45  func (s) TestWrapSyscallConnNoWrap(t *testing.T) {
    46  	nscRaw := &nonSyscallConn{}
    47  	nsc := &nonSyscallConn{}
    48  
    49  	wrapConn := WrapSyscallConn(nscRaw, nsc)
    50  	if _, ok := wrapConn.(syscall.Conn); ok {
    51  		t.Errorf("returned conn (type %T) implements syscall.Conn, want not implement", wrapConn)
    52  	}
    53  	if wrapConn != nsc {
    54  		t.Errorf("returned conn is %p, want %p (the passed-in newConn)", wrapConn, nsc)
    55  	}
    56  }
    57
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