fix(dockerCompose): add port.ExistProtocol

pkg/domain/dockerCompose/config_intern_test.go

@@ -0,0 +1,50 @@
+package dockerCompose
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestPort_ExistsProtocol(t *testing.T) {
+	require := require.New(t)
+
+	testCases := []struct {
+		s              string
+		expectedResult bool
+	}{
+		{
+			s:              "0",
+			expectedResult: false,
+		},
+		{
+			s:              "53",
+			expectedResult: false,
+		},
+		{
+			s:              "53/tcp",
+			expectedResult: true,
+		},
+		{
+			s:              "53/udp",
+			expectedResult: true,
+		},
+		{
+			s:              "53:53",
+			expectedResult: false,
+		},
+		{
+			s:              "53:53/udp",
+			expectedResult: true,
+		},
+		{
+			s:              "53:53/tcp",
+			expectedResult: true,
+		},
+	}
+
+	for _, testCase := range testCases {
+		p := port(testCase.s)
+		require.Equal(testCase.expectedResult, p.existsProtocol())
+	}
+}