Add tests for new features

spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/export/MetricExportProperties.java

@@ -63,7 +63,7 @@ public class MetricExportProperties {
 	}
 
 	@PostConstruct
-	public void setDefaults() {
+	public void setUpDefaults() {
 		Export defaults = null;
 		for (Entry<String, Export> entry : this.writers.entrySet()) {
 			String key = entry.getKey();
@@ -91,13 +91,13 @@ public class MetricExportProperties {
 		}
 		for (Export value : this.writers.values()) {
 			if (value.isIgnoreTimestamps() == null) {
-				value.setIgnoreTimestamps(false);
+				value.setIgnoreTimestamps(defaults.isIgnoreTimestamps());
 			}
 			if (value.isSendLatest() == null) {
-				value.setSendLatest(true);
+				value.setSendLatest(defaults.isSendLatest());
 			}
 			if (value.getDelayMillis() == null) {
-				value.setDelayMillis(5000);
+				value.setDelayMillis(defaults.getDelayMillis());
 			}
 		}
 	}
@@ -210,6 +210,6 @@ public class MetricExportProperties {
 				return value;
 			}
 		}
-		return null;
+		return this.export;
 	}
 }

spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/opentsdb/OpenTsdbMetricWriter.java

@@ -31,6 +31,7 @@ import org.springframework.http.HttpHeaders;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.web.client.RestOperations;
 import org.springframework.web.client.RestTemplate;
 
 /**
@@ -43,11 +44,11 @@ import org.springframework.web.client.RestTemplate;
  *
  * @author Dave Syer
  */
-public class OpenTsdbHttpMetricWriter implements MetricWriter {
+public class OpenTsdbMetricWriter implements MetricWriter {
 
-	private static final Log logger = LogFactory.getLog(OpenTsdbHttpMetricWriter.class);
+	private static final Log logger = LogFactory.getLog(OpenTsdbMetricWriter.class);
 
-	private RestTemplate restTemplate = new RestTemplate();
+	private RestOperations restTemplate = new RestTemplate();
 
 	/**
 	 * URL for POSTing data. Defaults to http://localhost:4242/api/put.
@@ -69,11 +70,11 @@ public class OpenTsdbHttpMetricWriter implements MetricWriter {
 
 	private OpenTsdbNamingStrategy namingStrategy = new DefaultOpenTsdbNamingStrategy();
 
-	public RestTemplate getRestTemplate() {
+	public RestOperations getRestTemplate() {
 		return this.restTemplate;
 	}
 
-	public void setRestTemplate(RestTemplate restTemplate) {
+	public void setRestTemplate(RestOperations restTemplate) {
 		this.restTemplate = restTemplate;
 	}
 

spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/export/MetricExportersTests.java

@@ -0,0 +1,60 @@
+/*
+ * Copyright 2012-2015 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.boot.actuate.metrics.export;
+
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+import org.junit.Test;
+import org.mockito.Mockito;
+import org.springframework.boot.actuate.metrics.reader.MetricReader;
+import org.springframework.boot.actuate.metrics.writer.MetricWriter;
+import org.springframework.scheduling.config.ScheduledTaskRegistrar;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+/**
+ * @author Dave Syer
+ */
+public class MetricExportersTests {
+
+	private MetricExporters exporters;
+	private MetricExportProperties export = new MetricExportProperties();
+	private Map<String, MetricWriter> writers = new LinkedHashMap<String, MetricWriter>();
+	private MetricReader reader = Mockito.mock(MetricReader.class);
+	private MetricWriter writer = Mockito.mock(MetricWriter.class);
+
+	@Test
+	public void emptyWriters() {
+		this.exporters = new MetricExporters(this.reader, this.writers, this.export);
+		this.exporters.configureTasks(new ScheduledTaskRegistrar());
+		assertNotNull(this.exporters.getExporters());
+		assertEquals(0, this.exporters.getExporters().size());
+	}
+
+	@Test
+	public void oneWriter() {
+		this.export.setUpDefaults();
+		this.writers.put("foo", this.writer);
+		this.exporters = new MetricExporters(this.reader, this.writers, this.export);
+		this.exporters.configureTasks(new ScheduledTaskRegistrar());
+		assertNotNull(this.exporters.getExporters());
+		assertEquals(1, this.exporters.getExporters().size());
+	}
+
+}

spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/opentsdb/OpenTsdbMetricWriterTests.java

@@ -0,0 +1,82 @@
+/*
+ * Copyright 2012-2015 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.boot.actuate.metrics.opentsdb;
+
+import java.util.Collections;
+import java.util.Map;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Matchers;
+import org.mockito.Mockito;
+import org.springframework.boot.actuate.metrics.Metric;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.client.RestOperations;
+
+import static org.mockito.BDDMockito.given;
+import static org.mockito.Mockito.verify;
+
+/**
+ * @author Dave Syer
+ */
+public class OpenTsdbMetricWriterTests {
+
+	private OpenTsdbMetricWriter writer;
+	private RestOperations restTemplate = Mockito.mock(RestOperations.class);
+
+	@Before
+	public void init() {
+		this.writer = new OpenTsdbMetricWriter();
+		this.writer.setRestTemplate(this.restTemplate);
+	}
+
+	@Test
+	public void postSuccessfullyOnFlush() {
+		this.writer.set(new Metric<Double>("foo", 2.4));
+		given(
+				this.restTemplate.postForEntity(Matchers.anyString(),
+						Matchers.any(Object.class), anyMap()))
+				.willReturn(emptyResponse());
+		this.writer.flush();
+		verify(this.restTemplate).postForEntity(Matchers.anyString(),
+				Matchers.any(Object.class), anyMap());
+	}
+
+	@Test
+	public void flushAutomaticlly() {
+		given(
+				this.restTemplate.postForEntity(Matchers.anyString(),
+						Matchers.any(Object.class), anyMap()))
+				.willReturn(emptyResponse());
+		this.writer.setBufferSize(0);
+		this.writer.set(new Metric<Double>("foo", 2.4));
+		verify(this.restTemplate).postForEntity(Matchers.anyString(),
+				Matchers.any(Object.class), anyMap());
+	}
+
+	@SuppressWarnings("rawtypes")
+	private ResponseEntity<Map> emptyResponse() {
+		return new ResponseEntity<Map>(Collections.emptyMap(), HttpStatus.OK);
+	}
+
+	@SuppressWarnings({ "rawtypes", "unchecked" })
+	private Class<Map> anyMap() {
+		return Matchers.any(Class.class);
+	}
+
+}

spring-boot-samples/spring-boot-sample-metrics-opentsdb/src/main/java/sample/metrics/opentsdb/SampleOpenTsdbExportApplication.java

@@ -18,7 +18,7 @@ package sample.metrics.opentsdb;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.actuate.metrics.opentsdb.DefaultOpenTsdbNamingStrategy;
-import org.springframework.boot.actuate.metrics.opentsdb.OpenTsdbHttpMetricWriter;
+import org.springframework.boot.actuate.metrics.opentsdb.OpenTsdbMetricWriter;
 import org.springframework.boot.actuate.metrics.opentsdb.OpenTsdbNamingStrategy;
 import org.springframework.boot.actuate.metrics.writer.MetricWriter;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
@@ -35,7 +35,7 @@ public class SampleOpenTsdbExportApplication {
 	@Bean
 	@ConfigurationProperties("metrics.export")
 	public MetricWriter openTsdbMetricWriter() {
-		OpenTsdbHttpMetricWriter writer = new OpenTsdbHttpMetricWriter();
+		OpenTsdbMetricWriter writer = new OpenTsdbMetricWriter();
 		writer.setNamingStrategy(namingStrategy());
 		return writer;
 	}