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138
...lic-weaver/src/test/java/com/newrelic/weave/weavepackage/InstrumentationPriorityTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,138 @@ | ||
| package com.newrelic.weave.weavepackage; | ||
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| import com.newrelic.api.agent.weaver.MatchType; | ||
| import com.newrelic.api.agent.weaver.Weave; | ||
| import com.newrelic.api.agent.weaver.Weaver; | ||
| import com.newrelic.weave.WeaveTestUtils; | ||
| import org.junit.Test; | ||
| import org.junit.runner.RunWith; | ||
|
|
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| import java.io.IOException; | ||
| import java.util.ArrayList; | ||
| import java.util.Collections; | ||
| import java.util.List; | ||
|
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| import static org.junit.Assert.assertEquals; | ||
| import static org.junit.Assert.assertNotNull; | ||
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| public class InstrumentationPriorityTest { | ||
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| /** | ||
| * Tests three modules applying to the same method, but with different priorities. | ||
| */ | ||
| @Test | ||
| public void testWeavePriority() throws IOException { | ||
| WeavePackageManager wpm = new WeavePackageManager(); | ||
| WeavePackage weavePackage1 = createWeavePackage("instrumentation.order-one", | ||
| "com.newrelic.weave.weavepackage.InstrumentationPriorityTest$OrderOne", -1L); | ||
| wpm.register(weavePackage1); | ||
| WeavePackage weavePackage2 = createWeavePackage("instrumentation.order-two", | ||
| "com.newrelic.weave.weavepackage.InstrumentationPriorityTest$OrderTwo", 0L); | ||
| wpm.register(weavePackage2); | ||
| WeavePackage weavePackage3 = createWeavePackage("instrumentation.order-three", | ||
| "com.newrelic.weave.weavepackage.InstrumentationPriorityTest$OrderThree", 1L); | ||
| wpm.register(weavePackage3); | ||
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| String internalName = "com/newrelic/weave/weavepackage/InstrumentationPriorityTest$OriginalClass"; | ||
| String className = "com.newrelic.weave.weavepackage.InstrumentationPriorityTest$OriginalClass"; | ||
| byte[] compositeBytes = WeaveTestUtils.getClassBytes(className); | ||
| // /*- | ||
| compositeBytes = wpm.weave(Thread.currentThread().getContextClassLoader(), internalName, compositeBytes, | ||
| Collections.emptyMap()); | ||
| for (PackageValidationResult res : | ||
| wpm.validPackages.getIfPresent(Thread.currentThread().getContextClassLoader()).values()) { | ||
| WeaveTestUtils.expectViolations(res); | ||
| } | ||
|
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| assertNotNull(compositeBytes); | ||
| WeaveTestUtils.addToContextClassloader(className, compositeBytes); | ||
| InstrumentationPriorityTest.OriginalClass oc = new InstrumentationPriorityTest.OriginalClass(); | ||
| assertEquals("123original321", oc.aMethodToWeave()); | ||
| } | ||
|
|
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| /** | ||
| * Tests three modules applying to the same method, but with the same priorities, | ||
| * should use alphabetical order. | ||
| */ | ||
| @Test | ||
| public void testWeaveMatchingPriority() throws IOException { | ||
| WeavePackageManager wpm = new WeavePackageManager(); | ||
| WeavePackage weavePackage1 = createWeavePackage("instrumentation.order-one", | ||
| "com.newrelic.weave.weavepackage.InstrumentationPriorityTest$OrderOne", 0L); | ||
| wpm.register(weavePackage1); | ||
| WeavePackage weavePackage2 = createWeavePackage("instrumentation.order-two", | ||
| "com.newrelic.weave.weavepackage.InstrumentationPriorityTest$OrderTwo", 0L); | ||
| wpm.register(weavePackage2); | ||
| WeavePackage weavePackage3 = createWeavePackage("instrumentation.order-three", | ||
| "com.newrelic.weave.weavepackage.InstrumentationPriorityTest$OrderThree", 0L); | ||
| wpm.register(weavePackage3); | ||
|
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| String internalName = "com/newrelic/weave/weavepackage/InstrumentationPriorityTest$OriginalClass"; | ||
| String className = "com.newrelic.weave.weavepackage.InstrumentationPriorityTest$OriginalClass2"; | ||
| byte[] compositeBytes = WeaveTestUtils.getClassBytes(className); | ||
| assertNotNull(compositeBytes); | ||
|
|
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| // /*- | ||
| compositeBytes = wpm.weave(Thread.currentThread().getContextClassLoader(), internalName, compositeBytes, | ||
| Collections.emptyMap()); | ||
| for (PackageValidationResult res : | ||
| wpm.validPackages.getIfPresent(Thread.currentThread().getContextClassLoader()).values()) { | ||
| WeaveTestUtils.expectViolations(res); | ||
| } | ||
|
|
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| assertNotNull(compositeBytes); | ||
| WeaveTestUtils.addToContextClassloader(className, compositeBytes); | ||
| InstrumentationPriorityTest.OriginalClass2 oc = new InstrumentationPriorityTest.OriginalClass2(); | ||
| assertEquals("132original231", oc.aMethodToWeave()); | ||
| } | ||
|
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| private WeavePackage createWeavePackage(String weavePackageName, String instrumentationClass, long priority) throws IOException { | ||
| List<byte[]> weaveBytes = new ArrayList<>(); | ||
| weaveBytes.add(WeaveTestUtils.getClassBytes(instrumentationClass)); | ||
| WeavePackageConfig config = WeavePackageConfig.builder() | ||
| .name(weavePackageName) | ||
| .priority(priority) | ||
| .source("com.newrelic.weave.weavepackage.testclasses") | ||
| .build(); | ||
| return new WeavePackage(config, weaveBytes); | ||
| } | ||
|
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| private interface TargetInterface { | ||
| String aMethodToWeave(); | ||
| } | ||
|
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| private static class OriginalClass implements TargetInterface { | ||
| public String aMethodToWeave() { | ||
| return "original"; | ||
| } | ||
| } | ||
|
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| // this second class is needed because the classloader was not cleaned between tests | ||
| private static class OriginalClass2 implements TargetInterface { | ||
| public String aMethodToWeave() { | ||
| return "original"; | ||
| } | ||
| } | ||
|
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| @Weave(type = MatchType.Interface, originalName = "com.newrelic.weave.weavepackage.InstrumentationPriorityTest$TargetInterface") | ||
| private static class OrderOne { | ||
| public String aMethodToWeave() { | ||
| return "1" + Weaver.callOriginal() + "1"; | ||
| } | ||
| } | ||
|
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| @Weave(type = MatchType.Interface, originalName = "com.newrelic.weave.weavepackage.InstrumentationPriorityTest$TargetInterface") | ||
| private static class OrderTwo { | ||
|
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| public String aMethodToWeave() { | ||
| return "2" + Weaver.callOriginal() + "2"; | ||
| } | ||
| } | ||
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| @Weave(type = MatchType.Interface, originalName = "com.newrelic.weave.weavepackage.InstrumentationPriorityTest$TargetInterface") | ||
| private static class OrderThree { | ||
| public String aMethodToWeave() { | ||
| return "3" + Weaver.callOriginal() + "3"; | ||
| } | ||
| } | ||
| } |