| // Copyright 2024 The Bazel Authors. All rights reserved. |
| // |
| // 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 com.google.devtools.build.lib.metrics; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.when; |
| |
| import com.google.common.collect.ImmutableMap; |
| import com.google.devtools.build.lib.clock.BlazeClock; |
| import com.google.devtools.build.lib.clock.Clock; |
| import com.google.devtools.build.lib.sandbox.CgroupsInfo; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| @RunWith(JUnit4.class) |
| public class CgroupsInfoCollectorTest { |
| |
| @Test |
| public void testCollectResourceUsage_returnsValidCgroupMemoryUsage() { |
| Clock clock = BlazeClock.instance(); |
| CgroupsInfo cgroupsInfo1 = mock(CgroupsInfo.class); |
| when(cgroupsInfo1.getMemoryUsageInKb()).thenReturn(1000); |
| when(cgroupsInfo1.exists()).thenReturn(true); |
| CgroupsInfo cgroupsInfo2 = mock(CgroupsInfo.class); |
| when(cgroupsInfo2.exists()).thenReturn(false); |
| when(cgroupsInfo2.getMemoryUsageInKb()).thenReturn(2000); |
| CgroupsInfo cgroupsInfo3 = mock(CgroupsInfo.class); |
| when(cgroupsInfo3.exists()).thenReturn(true); |
| when(cgroupsInfo3.getMemoryUsageInKb()).thenReturn(3000); |
| |
| ResourceSnapshot snapshot = |
| CgroupsInfoCollector.instance() |
| .collectResourceUsage( |
| ImmutableMap.of(1L, cgroupsInfo1, 2L, cgroupsInfo2, 3L, cgroupsInfo3), clock); |
| |
| // Results from cgroups 2 should not be in the snapshot since it doesn't exist. |
| assertThat(snapshot.getPidToMemoryInKb()).containsExactly(1L, 1000, 3L, 3000); |
| } |
| } |