Initial SimpleHTTP test

acme/simple_http_challenge.go

@@ -14,6 +14,7 @@ import (
 	"math/big"
 	"net"
 	"net/http"
+	"strings"
 	"time"
 )
 
@@ -37,6 +38,7 @@ func (s *simpleHTTPChallenge) CanSolve(domain string) bool {
 		return false
 	}
 	ipStr := string(ip)
+	ipStr = strings.Replace(ipStr, "\n", "", -1)
 
 	// resolve domain we should solve for
 	resolvedIPs, err := net.LookupHost(domain)

acme/simple_http_challenge_test.go

@@ -0,0 +1,33 @@
+package acme
+
+import (
+	"io/ioutil"
+	"net/http"
+	"strings"
+	"testing"
+)
+
+func TestSimpleHTTPCanSolve(t *testing.T) {
+	challenge := &simpleHTTPChallenge{}
+
+	// determine public ip
+	resp, err := http.Get("https://icanhazip.com/")
+	if err != nil {
+		t.Errorf("Could not get public IP -> %v", err)
+	}
+
+	ip, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		t.Errorf("Could not get public IP -> %v", err)
+	}
+	ipStr := string(ip)
+
+	if expected, actual := false, challenge.CanSolve("google.com"); expected != actual {
+		t.Errorf("Expected CanSolve to return %t for domain 'google.com' but was %t", expected, actual)
+	}
+
+	localResolv := strings.Replace(ipStr, "\n", "", -1) + ".xip.io"
+	if expected, actual := true, challenge.CanSolve(localResolv); expected != actual {
+		t.Errorf("Expected CanSolve to return %t for domain 'localhost' but was %t", expected, actual)
+	}
+}