Refactor LDAP tests with reusable code

domain/auth/ldap/ldap.go

@@ -0,0 +1,45 @@
+// Copyright 2016 Documize Inc. <legal@documize.com>. All rights reserved.
+//
+// This software (Documize Community Edition) is licensed under
+// GNU AGPL v3 http://www.gnu.org/licenses/agpl-3.0.en.html
+//
+// You can operate outside the AGPL restrictions by purchasing
+// Documize Enterprise Edition and obtaining a commercial license
+// by contacting <sales@documize.com>.
+//
+// https://documize.com
+
+package ldap
+
+import (
+	"crypto/tls"
+	"fmt"
+
+	lm "github.com/documize/community/model/auth"
+	"github.com/pkg/errors"
+	ld "gopkg.in/ldap.v2"
+)
+
+// Connect establishes connection to LDAP server.
+func Connect(c lm.LDAPConfig) (l *ld.Conn, err error) {
+	address := fmt.Sprintf("%s:%d", c.ServerHost, c.ServerPort)
+
+	fmt.Println("Connecting to LDAP server", address)
+
+	l, err = ld.Dial("tcp", address)
+	if err != nil {
+		err = errors.Wrap(err, "unable to dial LDAP server")
+		return
+	}
+
+	if c.EncryptionType == "starttls" {
+		fmt.Println("Using StartTLS with LDAP server")
+		err = l.StartTLS(&tls.Config{InsecureSkipVerify: true})
+		if err != nil {
+			err = errors.Wrap(err, "unable to startTLS with LDAP server")
+			return
+		}
+	}
+
+	return
+}