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kube-proxy unit test FilterIncorrectIPVersion

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Add an unit test to the kube-proxy FilterIncorrectIPVersion function
This commit is contained in:
Antonio Ojea 2020-01-12 18:29:16 +01:00
parent 4a55a5557e
commit de15774e10
1 changed files with 63 additions and 0 deletions
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63
pkg/proxy/util/utils_test.go
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@ -537,3 +537,66 @@ func TestShuffleStrings(t *testing.T) {
} }
} }
} }
func TestFilterIncorrectIPVersion(t *testing.T) {
testCases := []struct {
desc string
ipString []string
wantIPv6 bool
expectCorrect []string
expectIncorrect []string
}{
{
desc: "want IPv6 and receive IPv4 and IPv6",
ipString: []string{"192.168.200.2", "192.1.34.23", "fd00:20::1", "2001:db9::3"},
wantIPv6: true,
expectCorrect: []string{"fd00:20::1", "2001:db9::3"},
expectIncorrect: []string{"192.168.200.2", "192.1.34.23"},
},
{
desc: "want IPv4 and receive IPv4 and IPv6",
ipString: []string{"192.168.200.2", "192.1.34.23", "fd00:20::1", "2001:db9::3"},
wantIPv6: false,
expectCorrect: []string{"192.168.200.2", "192.1.34.23"},
expectIncorrect: []string{"fd00:20::1", "2001:db9::3"},
},
{
desc: "want IPv4 and receive IPv4 only",
ipString: []string{"192.168.200.2", "192.1.34.23"},
wantIPv6: false,
expectCorrect: []string{"192.168.200.2", "192.1.34.23"},
expectIncorrect: nil,
},
{
desc: "want IPv6 and receive IPv4 only",
ipString: []string{"192.168.200.2", "192.1.34.23"},
wantIPv6: true,
expectCorrect: nil,
expectIncorrect: []string{"192.168.200.2", "192.1.34.23"},
},
{
desc: "want IPv4 and receive IPv6 only",
ipString: []string{"fd00:20::1", "2001:db9::3"},
wantIPv6: false,
expectCorrect: nil,
expectIncorrect: []string{"fd00:20::1", "2001:db9::3"},
},
{
desc: "want IPv6 and receive IPv6 only",
ipString: []string{"fd00:20::1", "2001:db9::3"},
wantIPv6: true,
expectCorrect: []string{"fd00:20::1", "2001:db9::3"},
expectIncorrect: nil,
},
}
for i := range testCases {
correct, incorrect := FilterIncorrectIPVersion(testCases[i].ipString, testCases[i].wantIPv6)
if !reflect.DeepEqual(testCases[i].expectCorrect, correct) {
t.Errorf("Test %v failed: expected %v, got %v", testCases[i].desc, testCases[i].expectCorrect, correct)
}
if !reflect.DeepEqual(testCases[i].expectIncorrect, incorrect) {
t.Errorf("Test %v failed: expected %v, got %v", testCases[i].desc, testCases[i].expectIncorrect, incorrect)
}
}
}