/*
* Copyright 1999-2015 dangdang.com.
* <p>
* 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.
* </p>
*/
package com.dangdang.ddframe.rdb.sharding.metrics;
import com.dangdang.ddframe.rdb.sharding.config.ShardingProperties;
import com.dangdang.ddframe.rdb.sharding.config.ShardingPropertiesConstant;
import org.junit.After;
import org.junit.Test;
import java.util.Properties;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
public final class MetricsContextTest {
@After
public void tearDown() {
MetricsContext.clear();
}
@Test
public void assertStartWhenMetricsDisable() {
initDisabledMetrics();
assertNull(MetricsContext.start("name"));
}
@Test
public void assertStartWhenMetricsEnable() {
initEnabledMetrics();
assertNotNull(MetricsContext.start("name"));
}
@Test
public void assertStopWhenMetricsDisable() {
initDisabledMetrics();
MetricsContext.stop(null);
}
@Test
public void assertStopWhenMetricsEnable() {
initEnabledMetrics();
MetricsContext.stop(MetricsContext.start("name"));
}
@Test
public void assertClear() {
initEnabledMetrics();
MetricsContext.clear();
assertNull(MetricsContext.start("name"));
}
private void initDisabledMetrics() {
MetricsContext.init(new ShardingProperties(new Properties()));
}
private void initEnabledMetrics() {
Properties props = new Properties();
props.setProperty(ShardingPropertiesConstant.METRICS_ENABLE.getKey(), Boolean.TRUE.toString());
MetricsContext.init(new ShardingProperties(props));
}
}