1 files changed, 59 insertions, 0 deletions
diff --git a/core/https/certificates_test.go b/core/https/certificates_test.go
new file mode 100644
index 000000000..dbfb4efc1
--- /dev/null
+++ b/core/https/certificates_test.go
@@ -0,0 +1,59 @@
+package https
+
+import "testing"
+
+func TestUnexportedGetCertificate(t *testing.T) {
+	defer func() { certCache = make(map[string]Certificate) }()
+
+	// When cache is empty
+	if _, matched, defaulted := getCertificate("example.com"); matched || defaulted {
+		t.Errorf("Got a certificate when cache was empty; matched=%v, defaulted=%v", matched, defaulted)
+	}
+
+	// When cache has one certificate in it (also is default)
+	defaultCert := Certificate{Names: []string{"example.com", ""}}
+	certCache[""] = defaultCert
+	certCache["example.com"] = defaultCert
+	if cert, matched, defaulted := getCertificate("Example.com"); !matched || defaulted || cert.Names[0] != "example.com" {
+		t.Errorf("Didn't get a cert for 'Example.com' or got the wrong one: %v, matched=%v, defaulted=%v", cert, matched, defaulted)
+	}
+	if cert, matched, defaulted := getCertificate(""); !matched || defaulted || cert.Names[0] != "example.com" {
+		t.Errorf("Didn't get a cert for '' or got the wrong one: %v, matched=%v, defaulted=%v", cert, matched, defaulted)
+	}
+
+	// When retrieving wildcard certificate
+	certCache["*.example.com"] = Certificate{Names: []string{"*.example.com"}}
+	if cert, matched, defaulted := getCertificate("sub.example.com"); !matched || defaulted || cert.Names[0] != "*.example.com" {
+		t.Errorf("Didn't get wildcard cert for 'sub.example.com' or got the wrong one: %v, matched=%v, defaulted=%v", cert, matched, defaulted)
+	}
+
+	// When no certificate matches, the default is returned
+	if cert, matched, defaulted := getCertificate("nomatch"); matched || !defaulted {
+		t.Errorf("Expected matched=false, defaulted=true; but got matched=%v, defaulted=%v (cert: %v)", matched, defaulted, cert)
+	} else if cert.Names[0] != "example.com" {
+		t.Errorf("Expected default cert, got: %v", cert)
+	}
+}
+
+func TestCacheCertificate(t *testing.T) {
+	defer func() { certCache = make(map[string]Certificate) }()
+
+	cacheCertificate(Certificate{Names: []string{"example.com", "sub.example.com"}})
+	if _, ok := certCache["example.com"]; !ok {
+		t.Error("Expected first cert to be cached by key 'example.com', but it wasn't")
+	}
+	if _, ok := certCache["sub.example.com"]; !ok {
+		t.Error("Expected first cert to be cached by key 'sub.exmaple.com', but it wasn't")
+	}
+	if cert, ok := certCache[""]; !ok || cert.Names[2] != "" {
+		t.Error("Expected first cert to be cached additionally as the default certificate with empty name added, but it wasn't")
+	}
+
+	cacheCertificate(Certificate{Names: []string{"example2.com"}})
+	if _, ok := certCache["example2.com"]; !ok {
+		t.Error("Expected second cert to be cached by key 'exmaple2.com', but it wasn't")
+	}
+	if cert, ok := certCache[""]; ok && cert.Names[0] == "example2.com" {
+		t.Error("Expected second cert to NOT be cached as default, but it was")
+	}
+}