github.com/khulnasoft-lab/defsec@v1.0.5-0.20230827010352-5e9f46893d95/rules/kubernetes/network/no_public_ingress_test.go (about)

     1  package network
     2  
     3  import (
     4  	"testing"
     5  
     6  	defsecTypes "github.com/khulnasoft-lab/defsec/pkg/types"
     7  
     8  	"github.com/khulnasoft-lab/defsec/pkg/state"
     9  
    10  	"github.com/khulnasoft-lab/defsec/pkg/providers/kubernetes"
    11  	"github.com/khulnasoft-lab/defsec/pkg/scan"
    12  
    13  	"github.com/stretchr/testify/assert"
    14  )
    15  
    16  func TestCheckNoPublicIngress(t *testing.T) {
    17  	tests := []struct {
    18  		name     string
    19  		input    []kubernetes.NetworkPolicy
    20  		expected bool
    21  	}{
    22  		{
    23  			name: "Public source CIDR",
    24  			input: []kubernetes.NetworkPolicy{
    25  				{
    26  					Metadata: defsecTypes.NewTestMetadata(),
    27  					Spec: kubernetes.NetworkPolicySpec{
    28  						Metadata: defsecTypes.NewTestMetadata(),
    29  						Ingress: kubernetes.Ingress{
    30  							Metadata: defsecTypes.NewTestMetadata(),
    31  							SourceCIDRs: []defsecTypes.StringValue{
    32  								defsecTypes.String("0.0.0.0/0", defsecTypes.NewTestMetadata()),
    33  							},
    34  						},
    35  					},
    36  				},
    37  			},
    38  			expected: true,
    39  		},
    40  		{
    41  			name: "Private source CIDR",
    42  			input: []kubernetes.NetworkPolicy{
    43  				{
    44  					Metadata: defsecTypes.NewTestMetadata(),
    45  					Spec: kubernetes.NetworkPolicySpec{
    46  						Metadata: defsecTypes.NewTestMetadata(),
    47  						Ingress: kubernetes.Ingress{
    48  							Metadata: defsecTypes.NewTestMetadata(),
    49  							SourceCIDRs: []defsecTypes.StringValue{
    50  								defsecTypes.String("10.0.0.0/16", defsecTypes.NewTestMetadata()),
    51  							},
    52  						},
    53  					},
    54  				},
    55  			},
    56  			expected: false,
    57  		},
    58  	}
    59  	for _, test := range tests {
    60  		t.Run(test.name, func(t *testing.T) {
    61  			var testState state.State
    62  			testState.Kubernetes.NetworkPolicies = test.input
    63  			results := CheckNoPublicIngress.Evaluate(&testState)
    64  			var found bool
    65  			for _, result := range results {
    66  				if result.Status() == scan.StatusFailed && result.Rule().LongID() == CheckNoPublicIngress.Rule().LongID() {
    67  					found = true
    68  				}
    69  			}
    70  			if test.expected {
    71  				assert.True(t, found, "Rule should have been found")
    72  			} else {
    73  				assert.False(t, found, "Rule should not have been found")
    74  			}
    75  		})
    76  	}
    77  }