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Copy pathResolverCache_test.go
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ResolverCache_test.go
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package structs
import "tholian-endpoint/protocols/dns"
import "bytes"
import "os"
import "testing"
func TestResolverCache(t *testing.T) {
t.Run("Exists with single question", func(t *testing.T) {
tmp, _ := os.MkdirTemp("", "tholian-warps-resolvercache-*")
cache := NewResolverCache(tmp)
query := dns.NewPacket()
query.SetType("query")
query.AddQuestion(dns.NewQuestion("example.com", dns.TypeA))
result1 := cache.Exists(query)
if result1 != false {
t.Errorf("Expected '%t' but got '%t'", false, result1)
}
record := dns.NewRecord("example.com", dns.TypeA)
record.SetIPv4("1.3.3.7")
response := dns.NewPacket()
response.SetType("response")
response.SetResponseCode(dns.ResponseCodeNoError)
response.AddQuestion(dns.NewQuestion("example.com", dns.TypeA))
response.AddAnswer(record)
result2 := cache.Write(response)
if result2 != true {
t.Errorf("Expected '%t' but got '%t'", true, result2)
}
result3 := cache.Exists(query)
if result3 != true {
t.Errorf("Expected '%t' but got '%t'", true, result3)
}
os.RemoveAll(tmp)
})
t.Run("Exists with multiple questions", func(t *testing.T) {
tmp, _ := os.MkdirTemp("", "tholian-warps-resolvercache-*")
cache := NewResolverCache(tmp)
query := dns.NewPacket()
query.SetType("query")
query.AddQuestion(dns.NewQuestion("example.com", dns.TypeA))
query.AddQuestion(dns.NewQuestion("example.com", dns.TypeAAAA))
result1 := cache.Exists(query)
if result1 != false {
t.Errorf("Expected '%t' but got '%t'", false, result1)
}
record1 := dns.NewRecord("example.com", dns.TypeA)
record1.SetIPv4("1.3.3.7")
response1 := dns.NewPacket()
response1.SetType("response")
response1.SetResponseCode(dns.ResponseCodeNoError)
response1.AddQuestion(dns.NewQuestion("example.com", dns.TypeA))
response1.AddAnswer(record1)
result2 := cache.Write(response1)
if result2 != true {
t.Errorf("Expected '%t' but got '%t'", true, result2)
}
result3 := cache.Exists(query)
if result3 != false {
t.Errorf("Expected '%t' but got '%t'", false, result3)
}
record21 := dns.NewRecord("example.com", dns.TypeA)
record21.SetIPv4("1.3.3.7")
record22 := dns.NewRecord("example.com", dns.TypeAAAA)
record22.SetIPv6("fe80::1337")
response2 := dns.NewPacket()
response2.SetType("response")
response2.SetResponseCode(dns.ResponseCodeNoError)
response2.AddQuestion(dns.NewQuestion("example.com", dns.TypeA))
response2.AddQuestion(dns.NewQuestion("example.com", dns.TypeAAAA))
response2.AddAnswer(record21)
response2.AddAnswer(record22)
result4 := cache.Write(response2)
if result4 != true {
t.Errorf("Expected '%t' but got '%t'", true, result4)
}
result5 := cache.Exists(query)
if result5 != true {
t.Errorf("Expected '%t' but got '%t'", true, result5)
}
os.RemoveAll(tmp)
})
t.Run("Read/Write with single question", func(t *testing.T) {
tmp, _ := os.MkdirTemp("", "tholian-warps-resolvercache-*")
cache := NewResolverCache(tmp)
query := dns.NewPacket()
query.SetType("query")
query.AddQuestion(dns.NewQuestion("example.com", dns.TypeA))
result1 := cache.Read(query)
if result1.Codes.Response != dns.ResponseCodeNonExistDomain {
t.Errorf("Expected '%s' but got '%s'", dns.ResponseCode(dns.ResponseCodeNonExistDomain).String(), result1.Codes.Response.String())
}
if len(result1.Answers) != 0 {
t.Errorf("Expected DNS Packet to have no Records")
}
record1 := dns.NewRecord("example.com", dns.TypeA)
record1.SetIPv4("1.3.3.7")
response1 := dns.NewPacket()
response1.SetType("response")
response1.SetResponseCode(dns.ResponseCodeNoError)
response1.AddQuestion(dns.NewQuestion("example.com", dns.TypeA))
response1.AddAnswer(record1)
result2 := cache.Write(response1)
if result2 != true {
t.Errorf("Expected '%t' but got '%t'", true, result2)
}
result3 := cache.Read(query)
if result3.Codes.Response != dns.ResponseCodeNoError {
t.Errorf("Expected '%s' but got '%s'", dns.ResponseCode(dns.ResponseCodeNoError).String(), result3.Codes.Response.String())
}
if len(result3.Answers) == 1 {
if result3.Answers[0].Type != dns.TypeA {
t.Errorf("Expected DNS Packet to have dns.TypeA Record")
}
if bytes.Equal(result3.Answers[0].Data, record1.Data) != true {
t.Errorf("Expected DNS Packet to have 1.3.3.7 as Record Data")
}
} else {
t.Errorf("Expected DNS Packet to have Records")
}
os.RemoveAll(tmp)
})
t.Run("Read/Write with multiple questions", func(t *testing.T) {
tmp, _ := os.MkdirTemp("", "tholian-warps-resolvercache-*")
cache := NewResolverCache(tmp)
query := dns.NewPacket()
query.SetType("query")
query.AddQuestion(dns.NewQuestion("example.com", dns.TypeA))
query.AddQuestion(dns.NewQuestion("example.com", dns.TypeAAAA))
result1 := cache.Read(query)
if result1.Codes.Response != dns.ResponseCodeNonExistDomain {
t.Errorf("Expected '%s' but got '%s'", dns.ResponseCode(dns.ResponseCodeNonExistDomain).String(), result1.Codes.Response.String())
}
if len(result1.Answers) != 0 {
t.Errorf("Expected DNS Packet to have no Records")
}
record1 := dns.NewRecord("example.com", dns.TypeA)
record1.SetIPv4("1.3.3.7")
response1 := dns.NewPacket()
response1.SetType("response")
response1.SetResponseCode(dns.ResponseCodeNoError)
response1.AddQuestion(dns.NewQuestion("example.com", dns.TypeA))
response1.AddAnswer(record1)
result2 := cache.Write(response1)
if result2 != true {
t.Errorf("Expected '%t' but got '%t'", true, result2)
}
result3 := cache.Read(query)
if result3.Codes.Response != dns.ResponseCodeNoError {
t.Errorf("Expected '%s' but got '%s'", dns.ResponseCode(dns.ResponseCodeNoError).String(), result3.Codes.Response.String())
}
if len(result3.Answers) != 1 {
t.Errorf("Expected DNS Packet to have 1 Record")
}
record2 := dns.NewRecord("example.com", dns.TypeAAAA)
record2.SetIPv6("fe80::1337")
response2 := dns.NewPacket()
response2.SetType("response")
response2.SetResponseCode(dns.ResponseCodeNoError)
response2.AddQuestion(dns.NewQuestion("example.com", dns.TypeAAAA))
response2.AddAnswer(record2)
result4 := cache.Write(response2)
if result4 != true {
t.Errorf("Expected '%t' but got '%t'", true, result4)
}
result5 := cache.Read(query)
if result5.Codes.Response != dns.ResponseCodeNoError {
t.Errorf("Expected '%s' but got '%s'", dns.ResponseCode(dns.ResponseCodeNoError).String(), result5.Codes.Response.String())
}
if len(result5.Answers) != 2 {
t.Errorf("Expected DNS Packet to have 2 Records")
}
})
}