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AtlasMeterRegistryTest.java
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AtlasMeterRegistryTest.java
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/*
* Copyright 2017 VMware, Inc.
*
* 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
*
* https://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 io.micrometer.atlas;
import com.github.tomakehurst.wiremock.WireMockServer;
import com.netflix.spectator.api.Measurement;
import com.netflix.spectator.api.patterns.PolledMeter;
import com.netflix.spectator.atlas.AtlasConfig;
import com.netflix.spectator.atlas.AtlasRegistry;
import io.micrometer.core.Issue;
import io.micrometer.core.instrument.Clock;
import io.micrometer.core.instrument.FunctionCounter;
import io.micrometer.core.instrument.MockClock;
import io.micrometer.core.lang.Nullable;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import ru.lanwen.wiremock.ext.WiremockResolver;
import java.time.Duration;
import java.util.concurrent.atomic.AtomicLong;
import java.util.function.Supplier;
import static com.github.tomakehurst.wiremock.client.WireMock.*;
import static org.assertj.core.api.Assertions.assertThat;
@ExtendWith(WiremockResolver.class)
class AtlasMeterRegistryTest {
@Issue("#484")
@Test
void publishOneLastTimeOnClose(@WiremockResolver.Wiremock WireMockServer server) {
AtlasConfig config = new AtlasConfig() {
@Nullable
@Override
public String get(String k) {
return null;
}
@Override
public String uri() {
return server.baseUrl() + "/api/v1/publish";
}
};
server.stubFor(any(anyUrl()));
new AtlasMeterRegistry(config, Clock.SYSTEM).close();
server.verify(postRequestedFor(urlEqualTo("/api/v1/publish")));
}
@Issue("#2094")
@Test
void functionCounter() {
AtomicLong count = new AtomicLong();
MockClock clock = new MockClock();
AtlasMeterRegistry registry = new AtlasMeterRegistry(new AtlasConfig() {
@Nullable
@Override
public String get(String k) {
return null;
}
@Override
public Duration step() {
return Duration.ofMinutes(1);
}
@Override
public Duration lwcStep() {
return step();
}
}, clock);
FunctionCounter.builder("test", count, AtomicLong::doubleValue).register(registry);
Supplier<Double> valueSupplier = () -> {
AtlasRegistry r = (AtlasRegistry) registry.getSpectatorRegistry();
PolledMeter.update(r);
clock.add(Duration.ofMinutes(1));
return r.measurements()
.filter(m -> m.id().name().equals("test"))
.findFirst()
.map(Measurement::value)
.orElse(Double.NaN);
};
count.addAndGet(60);
assertThat(valueSupplier.get()).isEqualTo(1.0);
count.addAndGet(120);
assertThat(valueSupplier.get()).isEqualTo(2.0);
count.addAndGet(90);
assertThat(valueSupplier.get()).isEqualTo(1.5);
}
}