package dns import "testing" func TestCompareDomainName(t *testing.T) { s1 := "www.miek.nl." s2 := "miek.nl." s3 := "www.bla.nl." s4 := "nl.www.bla." s5 := "nl" s6 := "miek.nl" if CompareDomainName(s1, s2) != 2 { t.Errorf("%s with %s should be %d", s1, s2, 2) } if CompareDomainName(s1, s3) != 1 { t.Errorf("%s with %s should be %d", s1, s3, 1) } if CompareDomainName(s3, s4) != 0 { t.Errorf("%s with %s should be %d", s3, s4, 0) } // Non qualified tests if CompareDomainName(s1, s5) != 1 { t.Errorf("%s with %s should be %d", s1, s5, 1) } if CompareDomainName(s1, s6) != 2 { t.Errorf("%s with %s should be %d", s1, s5, 2) } if CompareDomainName(s1, ".") != 0 { t.Errorf("%s with %s should be %d", s1, s5, 0) } if CompareDomainName(".", ".") != 0 { t.Errorf("%s with %s should be %d", ".", ".", 0) } } func TestSplit(t *testing.T) { splitter := map[string]int{ "www.miek.nl.": 3, "www.miek.nl": 3, "www..miek.nl": 4, `www\.miek.nl.`: 2, `www\\.miek.nl.`: 3, ".": 0, "nl.": 1, "nl": 1, "com.": 1, ".com.": 2, } for s, i := range splitter { if x := len(Split(s)); x != i { t.Errorf("labels should be %d, got %d: %s %v", i, x, s, Split(s)) } else { t.Logf("%s %v", s, Split(s)) } } } func TestSplit2(t *testing.T) { splitter := map[string][]int{ "www.miek.nl.": {0, 4, 9}, "www.miek.nl": {0, 4, 9}, "nl": {0}, } for s, i := range splitter { x := Split(s) switch len(i) { case 1: if x[0] != i[0] { t.Errorf("labels should be %v, got %v: %s", i, x, s) } default: if x[0] != i[0] || x[1] != i[1] || x[2] != i[2] { t.Errorf("labels should be %v, got %v: %s", i, x, s) } } } } func TestPrevLabel(t *testing.T) { type prev struct { string int } prever := map[prev]int{ prev{"www.miek.nl.", 0}: 12, prev{"www.miek.nl.", 1}: 9, prev{"www.miek.nl.", 2}: 4, prev{"www.miek.nl", 0}: 11, prev{"www.miek.nl", 1}: 9, prev{"www.miek.nl", 2}: 4, prev{"www.miek.nl.", 5}: 0, prev{"www.miek.nl", 5}: 0, prev{"www.miek.nl.", 3}: 0, prev{"www.miek.nl", 3}: 0, } for s, i := range prever { x, ok := PrevLabel(s.string, s.int) if i != x { t.Errorf("label should be %d, got %d, %t: preving %d, %s", i, x, ok, s.int, s.string) } } } func TestCountLabel(t *testing.T) { splitter := map[string]int{ "www.miek.nl.": 3, "www.miek.nl": 3, "nl": 1, ".": 0, } for s, i := range splitter { x := CountLabel(s) if x != i { t.Errorf("CountLabel should have %d, got %d", i, x) } } } func TestSplitDomainName(t *testing.T) { labels := map[string][]string{ "miek.nl": {"miek", "nl"}, ".": nil, "www.miek.nl.": {"www", "miek", "nl"}, "www.miek.nl": {"www", "miek", "nl"}, "www..miek.nl": {"www", "", "miek", "nl"}, `www\.miek.nl`: {`www\.miek`, "nl"}, `www\\.miek.nl`: {`www\\`, "miek", "nl"}, ".www.miek.nl.": {"", "www", "miek", "nl"}, } domainLoop: for domain, splits := range labels { parts := SplitDomainName(domain) if len(parts) != len(splits) { t.Errorf("SplitDomainName returned %v for %s, expected %v", parts, domain, splits) continue domainLoop } for i := range parts { if parts[i] != splits[i] { t.Errorf("SplitDomainName returned %v for %s, expected %v", parts, domain, splits) continue domainLoop } } } } func TestIsDomainName(t *testing.T) { type ret struct { ok bool lab int } names := map[string]*ret{ "..": {false, 1}, "@.": {true, 1}, "www.example.com": {true, 3}, "www.e%ample.com": {true, 3}, "www.example.com.": {true, 3}, "mi\\k.nl.": {true, 2}, "mi\\k.nl": {true, 2}, } for d, ok := range names { l, k := IsDomainName(d) if ok.ok != k || ok.lab != l { t.Errorf(" got %v %d for %s ", k, l, d) t.Errorf("have %v %d for %s ", ok.ok, ok.lab, d) } } } func BenchmarkSplitLabels(b *testing.B) { for i := 0; i < b.N; i++ { Split("www.example.com") } } func BenchmarkLenLabels(b *testing.B) { for i := 0; i < b.N; i++ { CountLabel("www.example.com") } } func BenchmarkCompareLabels(b *testing.B) { b.ReportAllocs() for i := 0; i < b.N; i++ { CompareDomainName("www.example.com", "aa.example.com") } } func BenchmarkIsSubDomain(b *testing.B) { b.ReportAllocs() for i := 0; i < b.N; i++ { IsSubDomain("www.example.com", "aa.example.com") IsSubDomain("example.com", "aa.example.com") IsSubDomain("miek.nl", "aa.example.com") } }