Add tcp listener test

pkg/backends/tcp_test.go

@@ -0,0 +1,53 @@
+package backends
+
+import (
+	"crypto/tls"
+	"reflect"
+	"testing"
+
+	"github.com/ansible/receptor/pkg/logger"
+)
+
+func TestNewTCPListener(t *testing.T) {
+	type args struct {
+		address string
+		tls     *tls.Config
+		logger  *logger.ReceptorLogger
+	}
+	tests := []struct {
+		name    string
+		args    args
+		want    *TCPListener
+		wantErr bool
+	}{
+		{
+			name: "Positive",
+			args: args{
+				address: "127.0.0.1:9999",
+				tls:     nil,
+				logger:  nil,
+			},
+			want: &TCPListener{
+				address: "127.0.0.1:9999",
+				TLS:     nil,
+				li:      nil,
+				innerLi: nil,
+				logger:  nil,
+			},
+			wantErr: false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := NewTCPListener(tt.args.address, tt.args.tls, tt.args.logger)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("NewTCPListener() error = %v, wantErr %v", err, tt.wantErr)
+
+				return
+			}
+			if !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("NewTCPListener() = %+v, want %+v", got, tt.want)
+			}
+		})
+	}
+}