mirror of
https://github.com/coredns/coredns.git
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55 lines
2.3 KiB
Go
55 lines
2.3 KiB
Go
package https
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import (
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"crypto/tls"
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"crypto/x509"
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"testing"
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)
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func TestGetCertificate(t *testing.T) {
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defer func() { certCache = make(map[string]Certificate) }()
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hello := &tls.ClientHelloInfo{ServerName: "example.com"}
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helloSub := &tls.ClientHelloInfo{ServerName: "sub.example.com"}
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helloNoSNI := &tls.ClientHelloInfo{}
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helloNoMatch := &tls.ClientHelloInfo{ServerName: "nomatch"}
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// When cache is empty
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if cert, err := GetCertificate(hello); err == nil {
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t.Errorf("GetCertificate should return error when cache is empty, got: %v", cert)
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}
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if cert, err := GetCertificate(helloNoSNI); err == nil {
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t.Errorf("GetCertificate should return error when cache is empty even if server name is blank, got: %v", cert)
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}
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// When cache has one certificate in it (also is default)
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defaultCert := Certificate{Names: []string{"example.com", ""}, Certificate: tls.Certificate{Leaf: &x509.Certificate{DNSNames: []string{"example.com"}}}}
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certCache[""] = defaultCert
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certCache["example.com"] = defaultCert
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if cert, err := GetCertificate(hello); err != nil {
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t.Errorf("Got an error but shouldn't have, when cert exists in cache: %v", err)
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} else if cert.Leaf.DNSNames[0] != "example.com" {
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t.Errorf("Got wrong certificate with exact match; expected 'example.com', got: %v", cert)
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}
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if cert, err := GetCertificate(helloNoSNI); err != nil {
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t.Errorf("Got an error with no SNI but shouldn't have, when cert exists in cache: %v", err)
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} else if cert.Leaf.DNSNames[0] != "example.com" {
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t.Errorf("Got wrong certificate for no SNI; expected 'example.com' as default, got: %v", cert)
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}
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// When retrieving wildcard certificate
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certCache["*.example.com"] = Certificate{Names: []string{"*.example.com"}, Certificate: tls.Certificate{Leaf: &x509.Certificate{DNSNames: []string{"*.example.com"}}}}
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if cert, err := GetCertificate(helloSub); err != nil {
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t.Errorf("Didn't get wildcard cert, got: cert=%v, err=%v ", cert, err)
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} else if cert.Leaf.DNSNames[0] != "*.example.com" {
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t.Errorf("Got wrong certificate, expected wildcard: %v", cert)
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}
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// When no certificate matches, the default is returned
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if cert, err := GetCertificate(helloNoMatch); err != nil {
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t.Errorf("Expected default certificate with no error when no matches, got err: %v", err)
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} else if cert.Leaf.DNSNames[0] != "example.com" {
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t.Errorf("Expected default cert with no matches, got: %v", cert)
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}
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}
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