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199 changes: 199 additions & 0 deletions
199
spark-common/src/test/java/me/lucko/spark/common/sampler/node/NodeTest.java
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| /* | ||
| * This file is part of spark. | ||
| * | ||
| * Copyright (c) lucko (Luck) <[email protected]> | ||
| * Copyright (c) contributors | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
||
| package me.lucko.spark.common.sampler.node; | ||
|
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| import com.google.common.collect.ImmutableList; | ||
| import com.google.common.collect.ImmutableSet; | ||
| import me.lucko.spark.common.sampler.SamplerMode; | ||
| import me.lucko.spark.common.sampler.async.AsyncStackTraceElement; | ||
| import me.lucko.spark.common.sampler.window.ProtoTimeEncoder; | ||
| import me.lucko.spark.common.util.MethodDisambiguator; | ||
| import me.lucko.spark.proto.SparkSamplerProtos; | ||
| import org.junit.jupiter.api.Test; | ||
|
|
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| import java.util.Collection; | ||
| import java.util.concurrent.TimeUnit; | ||
|
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| import static org.junit.jupiter.api.Assertions.assertArrayEquals; | ||
| import static org.junit.jupiter.api.Assertions.assertEquals; | ||
| import static org.junit.jupiter.api.Assertions.assertFalse; | ||
| import static org.junit.jupiter.api.Assertions.assertTrue; | ||
|
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| public class NodeTest { | ||
|
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| private static final StackTraceNode.Describer<AsyncStackTraceElement> STACK_TRACE_DESCRIBER = (element, parent) -> new StackTraceNode.Description(element.getClassName(), element.getMethodName(), element.getMethodDescription()); | ||
| private static final int WINDOW = 10; | ||
|
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| private static final AsyncStackTraceElement NODE_0 = new AsyncStackTraceElement("java.lang.Thread", "run", "()V"); | ||
| private static final AsyncStackTraceElement NODE_1_1 = new AsyncStackTraceElement("test.Foo", "run", "()V"); | ||
| private static final AsyncStackTraceElement NODE_1_2_1 = new AsyncStackTraceElement("test.Foo", "example", "()V"); | ||
| private static final AsyncStackTraceElement NODE_2_1 = new AsyncStackTraceElement("test.Bar", "run", "()V"); | ||
| private static final AsyncStackTraceElement NODE_2_2_1 = new AsyncStackTraceElement("test.Bar", "example", "()V"); | ||
|
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| private static final AsyncStackTraceElement[] STACK_1 = {NODE_1_2_1, NODE_1_1, NODE_0}; | ||
| private static final AsyncStackTraceElement[] STACK_2 = {NODE_2_2_1, NODE_2_1, NODE_0}; | ||
|
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| @Test | ||
| public void testThreadLabels() { | ||
| ThreadNode node = new ThreadNode("Test Thread"); | ||
| assertEquals("Test Thread", node.getThreadGroup()); | ||
| assertEquals("Test Thread", node.getThreadLabel()); | ||
|
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| node.setThreadLabel("Test"); | ||
| assertEquals("Test", node.getThreadLabel()); | ||
| } | ||
|
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| @Test | ||
| public void testBasicLog() { | ||
| ThreadNode threadNode = new ThreadNode("Test Thread"); | ||
| assertEquals(0, threadNode.getTimeWindows().size()); | ||
|
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| threadNode.log(STACK_TRACE_DESCRIBER, STACK_1, TimeUnit.SECONDS.toMicros(1), WINDOW); | ||
|
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| Collection<StackTraceNode> children1 = threadNode.getChildren(); | ||
| assertEquals(1, children1.size()); | ||
| assertEquals(ImmutableSet.of(WINDOW), threadNode.getTimeWindows()); | ||
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| StackTraceNode node1 = children1.iterator().next(); | ||
| assertEquals(ImmutableSet.of(WINDOW), node1.getTimeWindows()); | ||
| assertEquals("java.lang.Thread", node1.getClassName()); | ||
| assertEquals("run", node1.getMethodName()); | ||
| assertEquals("()V", node1.getMethodDescription()); | ||
| assertEquals(StackTraceNode.NULL_LINE_NUMBER, node1.getLineNumber()); | ||
| assertEquals(StackTraceNode.NULL_LINE_NUMBER, node1.getParentLineNumber()); | ||
| assertEquals(TimeUnit.SECONDS.toMicros(1), node1.getTimeAccumulator(WINDOW).longValue()); | ||
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| threadNode.log(STACK_TRACE_DESCRIBER, STACK_2, TimeUnit.SECONDS.toMicros(1), WINDOW); | ||
| assertEquals(TimeUnit.SECONDS.toMicros(2), node1.getTimeAccumulator(WINDOW).longValue()); | ||
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| Collection<StackTraceNode> children2 = node1.getChildren(); | ||
| assertEquals(2, children2.size()); | ||
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| for (StackTraceNode node2 : children2) { | ||
| assertEquals(ImmutableSet.of(WINDOW), node2.getTimeWindows()); | ||
| assertEquals(TimeUnit.SECONDS.toMicros(1), node2.getTimeAccumulator(WINDOW).longValue()); | ||
| } | ||
| } | ||
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| @Test | ||
| public void testToProto() { | ||
| ThreadNode threadNode = new ThreadNode("Test Thread"); | ||
| threadNode.log(STACK_TRACE_DESCRIBER, STACK_1, TimeUnit.SECONDS.toMicros(1), WINDOW); | ||
| threadNode.log(STACK_TRACE_DESCRIBER, STACK_1, TimeUnit.SECONDS.toMicros(1), WINDOW + 1); | ||
| threadNode.log(STACK_TRACE_DESCRIBER, STACK_2, TimeUnit.SECONDS.toMicros(1), WINDOW + 1); | ||
|
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| ProtoTimeEncoder timeEncoder = new ProtoTimeEncoder(SamplerMode.EXECUTION.valueTransformer(), ImmutableList.of(threadNode)); | ||
| int[] keys = timeEncoder.getKeys(); | ||
| assertArrayEquals(new int[]{WINDOW, WINDOW + 1}, keys); | ||
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| SparkSamplerProtos.ThreadNode proto = threadNode.toProto( | ||
| MergeMode.sameMethod(new MethodDisambiguator(null)), | ||
| timeEncoder | ||
| ); | ||
|
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| SparkSamplerProtos.ThreadNode expected = SparkSamplerProtos.ThreadNode.newBuilder() | ||
| .setName("Test Thread") | ||
| .addTimes(1000) | ||
| .addTimes(2000) | ||
| .addChildren(SparkSamplerProtos.StackTraceNode.newBuilder() | ||
| .setClassName("test.Bar") | ||
| .setMethodDesc("()V") | ||
| .setMethodName("example") | ||
| .addTimes(0) | ||
| .addTimes(1000) | ||
| ) | ||
| .addChildren(SparkSamplerProtos.StackTraceNode.newBuilder() | ||
| .setClassName("test.Bar") | ||
| .setMethodDesc("()V") | ||
| .setMethodName("run") | ||
| .addTimes(0) | ||
| .addTimes(1000) | ||
| .addChildrenRefs(0) | ||
| ) | ||
| .addChildren(SparkSamplerProtos.StackTraceNode.newBuilder() | ||
| .setClassName("test.Foo") | ||
| .setMethodDesc("()V") | ||
| .setMethodName("example") | ||
| .addTimes(1000) | ||
| .addTimes(1000) | ||
| ) | ||
| .addChildren(SparkSamplerProtos.StackTraceNode.newBuilder() | ||
| .setClassName("test.Foo") | ||
| .setMethodDesc("()V") | ||
| .setMethodName("run") | ||
| .addTimes(1000) | ||
| .addTimes(1000) | ||
| .addChildrenRefs(2) | ||
| ) | ||
| .addChildren(SparkSamplerProtos.StackTraceNode.newBuilder() | ||
| .setClassName("java.lang.Thread") | ||
| .setMethodDesc("()V") | ||
| .setMethodName("run") | ||
| .addTimes(1000) | ||
| .addTimes(2000) | ||
| .addChildrenRefs(1) | ||
| .addChildrenRefs(3) | ||
| ) | ||
| .addChildrenRefs(4) | ||
| .build(); | ||
|
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| assertEquals(expected, proto); | ||
| } | ||
|
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| @Test | ||
| public void testRemoveTimeWindows() { | ||
| ThreadNode threadNode = new ThreadNode("Test Thread"); | ||
| threadNode.log(STACK_TRACE_DESCRIBER, STACK_1, TimeUnit.SECONDS.toMicros(1), WINDOW); | ||
| threadNode.log(STACK_TRACE_DESCRIBER, STACK_2, TimeUnit.SECONDS.toMicros(1), WINDOW + 1); | ||
|
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| StackTraceNode threadRunNode = threadNode.getChildren().iterator().next(); | ||
| Collection<StackTraceNode> fooBarNodes = threadRunNode.getChildren(); | ||
|
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| assertEquals(2, threadNode.getTimeWindows().size()); | ||
| assertEquals(2, threadRunNode.getChildren().size()); | ||
| assertEquals(2, threadRunNode.getTimeWindows().size()); | ||
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| for (StackTraceNode node : fooBarNodes) { | ||
| assertEquals(1, node.getTimeWindows().size()); | ||
| assertEquals(1, node.getChildren().size()); | ||
| assertEquals(1, node.getChildren().iterator().next().getTimeWindows().size()); | ||
| assertEquals(0, node.getChildren().iterator().next().getChildren().size()); | ||
| } | ||
|
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| assertFalse(threadNode.removeTimeWindowsRecursively(w -> w == WINDOW)); | ||
| assertEquals(1, threadNode.getTimeWindows().size()); | ||
| assertEquals(1, threadRunNode.getChildren().size()); | ||
| assertEquals(1, threadRunNode.getTimeWindows().size()); | ||
|
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| assertTrue(threadNode.removeTimeWindowsRecursively(w -> w == WINDOW + 1)); | ||
| assertEquals(0, threadNode.getTimeWindows().size()); | ||
| assertEquals(0, threadNode.getChildren().size()); | ||
|
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| // doesn't bother updating nested children that have been removed | ||
| for (StackTraceNode node : fooBarNodes) { | ||
| assertEquals(1, node.getTimeWindows().size()); | ||
| assertEquals(1, node.getChildren().size()); | ||
| assertEquals(1, node.getChildren().iterator().next().getTimeWindows().size()); | ||
| assertEquals(0, node.getChildren().iterator().next().getChildren().size()); | ||
| } | ||
| } | ||
|
|
||
| } |
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