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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.node.admin.container;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.fail;
/**
* @author freva
*/
public class ContainerResourcesTest {
@Test
void verify_unlimited() {
assertEquals(-1, ContainerResources.UNLIMITED.cpuQuota());
assertEquals(100_000, ContainerResources.UNLIMITED.cpuPeriod());
assertEquals(0, ContainerResources.UNLIMITED.cpuShares());
}
@Test
void validate_shares() {
new ContainerResources(0, 0, 0);
new ContainerResources(0, 2, 0);
new ContainerResources(0, 2048, 0);
new ContainerResources(0, 262_144, 0);
assertThrows(IllegalArgumentException.class, () -> new ContainerResources(0, -1, 0)); // Negative shares not allowed
assertThrows(IllegalArgumentException.class, () -> new ContainerResources(0, 1, 0)); // 1 share not allowed
assertThrows(IllegalArgumentException.class, () -> new ContainerResources(0, 262_145, 0));
}
@Test
void cpu_shares_scaling() {
ContainerResources resources = ContainerResources.from(5.3, 2.5, 0);
assertEquals(530_000, resources.cpuQuota());
assertEquals(100_000, resources.cpuPeriod());
assertEquals(80, resources.cpuShares());
}
private static void assertThrows(Class<? extends Throwable> clazz, Runnable runnable) {
try {
runnable.run();
fail("Expected " + clazz);
} catch (Throwable e) {
if (!clazz.isInstance(e)) throw e;
}
}
}
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