Add LDAP sample

Add an LDAP sample application.

See gh-7733

spring-boot-samples/spring-boot-sample-data-ldap/src/test/java/sample/data/ldap/SampleLdapApplicationTests.java

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+/*
+ * Copyright 2012-2017 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 sample.data.ldap;
+
+import org.junit.ClassRule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.rule.OutputCapture;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Tests for {@link SampleLdapApplication}.
+ *
+ * @author Phillip Webb
+ */
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class SampleLdapApplicationTests {
+
+	@ClassRule
+	public static OutputCapture outputCapture = new OutputCapture();
+
+	@Test
+	public void testDefaultSettings() throws Exception {
+		String output = outputCapture.toString();
+		assertThat(output).contains("cn=Alice Smith");
+	}
+
+}