LDAP Java Config supports GrantedAuthoritiesMapper

Fixes gh-2768

config/src/test/java/org/springframework/security/config/annotation/authentication/configurers/ldap/LdapAuthenticationProviderConfigurerTest.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2011 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
+package org.springframework.security.config.annotation.authentication.configurers.ldap;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.springframework.security.core.authority.mapping.NullAuthoritiesMapper;
+import org.springframework.security.core.authority.mapping.SimpleAuthorityMapper;
+
+public class LdapAuthenticationProviderConfigurerTest {
+
+    private LdapAuthenticationProviderConfigurer configurer;
+
+    @Before
+    public void setUp() {
+        configurer = new LdapAuthenticationProviderConfigurer();
+    }
+
+    // SEC-2557
+    @Test
+    public void getAuthoritiesMapper() throws Exception {
+        assertEquals(SimpleAuthorityMapper.class, configurer.getAuthoritiesMapper().getClass());
+        configurer.authoritiesMapper(new NullAuthoritiesMapper());
+        assertEquals(NullAuthoritiesMapper.class, configurer.getAuthoritiesMapper().getClass());
+
+    }
+}