/*
* Copyright 2010-2014 Ning, Inc.
*
* Ning licenses this file to you 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.killbill.commons.skeleton.metrics;
import java.util.Map;
import java.util.concurrent.TimeUnit;
import com.codahale.metrics.MetricRegistry;
import com.codahale.metrics.Timer;
import com.google.common.collect.ImmutableMap;
import org.testng.Assert;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
@Test(groups = "fast")
public class TestResourceTimer {
private static final String RESOURCE_METRICS_PREFIX = "kb_resource";
private MetricRegistry metricRegistry;
@BeforeMethod
public void setup() {
metricRegistry = new MetricRegistry();
}
@Test
public void testMetricName() {
final String resourcePath = "/1.0/kb/payments";
final String escapedResourcePath = "/1_0/kb/payments";
final String resourceName = "getPayment";
final String httpMethod = "GET";
final ResourceTimer resourceTimer = new ResourceTimer(resourcePath, resourceName, httpMethod, null, metricRegistry);
resourceTimer.update(200, 1, TimeUnit.MILLISECONDS);
final String expectedMetricName = expectedMetricName(escapedResourcePath, resourceName, httpMethod, null, "2xx", 200);
final Timer timer = (Timer) metricRegistry.getMetrics().get(expectedMetricName);
Assert.assertNotNull(timer, "Failed to create metric with expected name");
Assert.assertEquals(1, timer.getCount());
}
private String expectedMetricName(final String resourcePath, final String resourceName, final String httpMethod, final String tagsValues, final String statusGroup, final int status) {
if (tagsValues == null || tagsValues.trim().isEmpty()) {
return String.format("%s.%s.%s.%s.%s.%s", RESOURCE_METRICS_PREFIX, resourcePath, resourceName, httpMethod, statusGroup, status);
}
return String.format("%s.%s.%s.%s.%s.%s.%s", RESOURCE_METRICS_PREFIX, resourcePath, resourceName, httpMethod, tagsValues, statusGroup, status);
}
@Test
public void testMetricNameWithTags() {
final String resourcePath = "/1.0/kb/payments";
final String escapeResourcePath = "/1_0/kb/payments";
final String resourceName = "create";
final String httpMethod = "POST";
final Map<String, Object> tags = ImmutableMap.<String, Object>builder().put("transactionType", "AUTHORIZE").build();
final ResourceTimer resourceTimer = new ResourceTimer(resourcePath, resourceName, httpMethod, tags, metricRegistry);
resourceTimer.update(501, 1, TimeUnit.MILLISECONDS);
final String expectedMetricName = expectedMetricName(escapeResourcePath, resourceName, httpMethod, "AUTHORIZE", "5xx", 501);
final Timer timer = (Timer) metricRegistry.getMetrics().get(expectedMetricName);
Assert.assertNotNull(timer, "Failed to create metric with expected name: " + expectedMetricName);
Assert.assertEquals(1, timer.getCount());
}
@Test
public void testMetricNameWithNullComponent() {
final String resourcePath = null;
final String resourceName = null;
final String httpMethod = null;
final ResourceTimer resourceTimer = new ResourceTimer(resourcePath, resourceName, httpMethod, null, metricRegistry);
resourceTimer.update(200, 1, TimeUnit.MILLISECONDS);
final String expectedMetricName = expectedMetricName(resourcePath, resourceName, httpMethod, null, "2xx", 200);
final Timer timer = (Timer) metricRegistry.getMetrics().get(expectedMetricName);
Assert.assertNotNull(timer, "Failed to create metric with expected name");
Assert.assertEquals(1, timer.getCount());
}
}