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| 1 | +/* |
| 2 | + * Copyright The OpenTelemetry Authors |
| 3 | + * SPDX-License-Identifier: Apache-2.0 |
| 4 | + */ |
| 5 | + |
| 6 | +package io.opentelemetry.javaagent.tooling.muzzle; |
| 7 | + |
| 8 | +import io.opentelemetry.javaagent.tooling.muzzle.references.Flag.ManifestationFlag; |
| 9 | +import static org.assertj.core.api.Assertions.assertThat; |
| 10 | + |
| 11 | +import io.opentelemetry.javaagent.tooling.muzzle.references.ClassRef; |
| 12 | +import io.opentelemetry.javaagent.tooling.muzzle.references.Flag; |
| 13 | +import io.opentelemetry.javaagent.tooling.muzzle.references.Source; |
| 14 | +import java.util.HashMap; |
| 15 | +import java.util.List; |
| 16 | +import java.util.Map; |
| 17 | +import java.util.stream.Collectors; |
| 18 | +import muzzle.HelperReferenceWrapperTestClasses; |
| 19 | +import net.bytebuddy.pool.TypePool; |
| 20 | +import org.junit.jupiter.api.BeforeAll; |
| 21 | +import org.junit.jupiter.api.Test; |
| 22 | +import org.objectweb.asm.Type; |
| 23 | + |
| 24 | +class HelperReferenceWrapperTest { |
| 25 | + |
| 26 | + private static ClassRef baseHelperClass; |
| 27 | + private static ClassRef helperClass; |
| 28 | + |
| 29 | + @BeforeAll |
| 30 | + static void setup() { |
| 31 | + baseHelperClass = |
| 32 | + ClassRef.builder(HelperReferenceWrapperTest.class.getName() + "$BaseHelper") |
| 33 | + .setSuperClassName( |
| 34 | + HelperReferenceWrapperTestClasses.AbstractClasspathType.class.getName()) |
| 35 | + .addFlag(ManifestationFlag.ABSTRACT) |
| 36 | + .addMethod(new Source[0], new Flag[0], "foo", Type.VOID_TYPE) |
| 37 | + .addMethod( |
| 38 | + new Source[0], new Flag[] {ManifestationFlag.ABSTRACT}, "abstract", Type.INT_TYPE) |
| 39 | + .build(); |
| 40 | + |
| 41 | + helperClass = |
| 42 | + ClassRef.builder(HelperReferenceWrapperTest.class.getName() + "$Helper") |
| 43 | + .setSuperClassName(baseHelperClass.getClassName()) |
| 44 | + .addInterfaceName(HelperReferenceWrapperTestClasses.Interface2.class.getName()) |
| 45 | + .addMethod(new Source[0], new Flag[0], "bar", Type.VOID_TYPE) |
| 46 | + .addField( |
| 47 | + new Source[0], new Flag[0], "field", Type.getType("Ljava/lang/Object;"), false) |
| 48 | + .addField( |
| 49 | + new Source[0], |
| 50 | + new Flag[0], |
| 51 | + "declaredField", |
| 52 | + Type.getType("Ljava/lang/Object;"), |
| 53 | + true) |
| 54 | + .addField( |
| 55 | + new Source[0], |
| 56 | + new Flag[] {Flag.VisibilityFlag.PRIVATE}, |
| 57 | + "privateFieldsAreSkipped", |
| 58 | + Type.getType("Ljava/lang/Object;"), |
| 59 | + true) |
| 60 | + .build(); |
| 61 | + } |
| 62 | + |
| 63 | + @Test |
| 64 | + void shouldWrapHelperTypes() { |
| 65 | + TypePool typePool = TypePool.Default.of(HelperReferenceWrapperTest.class.getClassLoader()); |
| 66 | + Map<String, ClassRef> references = new HashMap<>(); |
| 67 | + references.put(helperClass.getClassName(), helperClass); |
| 68 | + references.put(baseHelperClass.getClassName(), baseHelperClass); |
| 69 | + |
| 70 | + HelperClassPredicate helperClassPredicate = new HelperClassPredicate(cls -> false); |
| 71 | + HelperReferenceWrapper helperWrapper = |
| 72 | + new HelperReferenceWrapper.Factory(typePool, references, helperClassPredicate) |
| 73 | + .create(helperClass); |
| 74 | + |
| 75 | + // helperWrapper assertions |
| 76 | + assertThat(helperWrapper.isAbstract()).isFalse(); |
| 77 | + |
| 78 | + List<HelperReferenceWrapper.Method> helperMethods = |
| 79 | + helperWrapper.getMethods().collect(Collectors.toList()); |
| 80 | + assertThat(helperMethods).hasSize(1); |
| 81 | + HelperReferenceWrapper.Method barMethod = helperMethods.get(0); |
| 82 | + assertThat(barMethod.isAbstract()).isFalse(); |
| 83 | + assertThat(barMethod.getName()).isEqualTo("bar"); |
| 84 | + assertThat(barMethod.getDescriptor()).isEqualTo("()V"); |
| 85 | + |
| 86 | + List<HelperReferenceWrapper.Field> helperFields = |
| 87 | + helperWrapper.getFields().collect(Collectors.toList()); |
| 88 | + assertThat(helperFields).hasSize(1); |
| 89 | + HelperReferenceWrapper.Field declaredField = helperFields.get(0); |
| 90 | + assertThat(declaredField.getName()).isEqualTo("declaredField"); |
| 91 | + assertThat(declaredField.getDescriptor()).isEqualTo("Ljava/lang/Object;"); |
| 92 | + |
| 93 | + assertThat(helperWrapper.hasSuperTypes()).isTrue(); |
| 94 | + List<HelperReferenceWrapper> superTypes = |
| 95 | + helperWrapper.getSuperTypes().collect(Collectors.toList()); |
| 96 | + assertThat(superTypes).hasSize(2); |
| 97 | + |
| 98 | + // baseHelper assertions |
| 99 | + HelperReferenceWrapper baseHelper = superTypes.get(0); |
| 100 | + assertThat(baseHelper.isAbstract()).isTrue(); |
| 101 | + List<HelperReferenceWrapper.Method> baseHelperMethods = |
| 102 | + baseHelper.getMethods().collect(Collectors.toList()); |
| 103 | + assertThat(baseHelperMethods).hasSize(2); |
| 104 | + HelperReferenceWrapper.Method fooMethod = baseHelperMethods.get(0); |
| 105 | + assertThat(fooMethod.isAbstract()).isFalse(); |
| 106 | + assertThat(fooMethod.getName()).isEqualTo("foo"); |
| 107 | + assertThat(fooMethod.getDescriptor()).isEqualTo("()V"); |
| 108 | + HelperReferenceWrapper.Method abstractMethod = baseHelperMethods.get(1); |
| 109 | + assertThat(abstractMethod.isAbstract()).isTrue(); |
| 110 | + assertThat(abstractMethod.getName()).isEqualTo("abstract"); |
| 111 | + assertThat(abstractMethod.getDescriptor()).isEqualTo("()I"); |
| 112 | + |
| 113 | + assertThat(baseHelper.hasSuperTypes()).isTrue(); |
| 114 | + List<HelperReferenceWrapper> baseSuperTypes = |
| 115 | + baseHelper.getSuperTypes().collect(Collectors.toList()); |
| 116 | + assertThat(baseSuperTypes).hasSize(1); |
| 117 | + HelperReferenceWrapper abstractClasspathType = baseSuperTypes.get(0); |
| 118 | + assertThat(abstractClasspathType.isAbstract()).isTrue(); |
| 119 | + assertThat(abstractClasspathType.getMethods().collect(Collectors.toList())).isEmpty(); |
| 120 | + List<HelperReferenceWrapper.Field> abstractFields = |
| 121 | + abstractClasspathType.getFields().collect(Collectors.toList()); |
| 122 | + assertThat(abstractFields).hasSize(1); |
| 123 | + HelperReferenceWrapper.Field field = abstractFields.get(0); |
| 124 | + assertThat(field.getName()).isEqualTo("field"); |
| 125 | + assertThat(field.getDescriptor()).isEqualTo("Ljava/lang/Object;"); |
| 126 | + |
| 127 | + assertThat(abstractClasspathType.hasSuperTypes()).isTrue(); |
| 128 | + List<HelperReferenceWrapper> abstractSuperTypes = |
| 129 | + abstractClasspathType.getSuperTypes().collect(Collectors.toList()); |
| 130 | + assertThat(abstractSuperTypes).hasSize(2); |
| 131 | + HelperReferenceWrapper objectType = abstractSuperTypes.get(0); |
| 132 | + assertThat(objectType.hasSuperTypes()).isFalse(); |
| 133 | + HelperReferenceWrapper interface1 = abstractSuperTypes.get(1); |
| 134 | + assertThat(interface1.isAbstract()).isTrue(); |
| 135 | + List<HelperReferenceWrapper.Method> interface1Methods = |
| 136 | + interface1.getMethods().collect(Collectors.toList()); |
| 137 | + assertThat(interface1Methods).hasSize(1); |
| 138 | + HelperReferenceWrapper.Method interface1Method = interface1Methods.get(0); |
| 139 | + assertThat(interface1Method.isAbstract()).isTrue(); |
| 140 | + assertThat(interface1Method.getName()).isEqualTo("foo"); |
| 141 | + assertThat(interface1Method.getDescriptor()).isEqualTo("()V"); |
| 142 | + assertThat(interface1.hasSuperTypes()).isFalse(); |
| 143 | + assertThat(interface1.getSuperTypes().collect(Collectors.toList())).isEmpty(); |
| 144 | + |
| 145 | + // interface2 assertions |
| 146 | + HelperReferenceWrapper interface2 = superTypes.get(1); |
| 147 | + assertThat(interface2.isAbstract()).isTrue(); |
| 148 | + List<HelperReferenceWrapper.Method> interface2Methods = |
| 149 | + interface2.getMethods().collect(Collectors.toList()); |
| 150 | + assertThat(interface2Methods).hasSize(1); |
| 151 | + HelperReferenceWrapper.Method interface2Method = interface2Methods.get(0); |
| 152 | + assertThat(interface2Method.isAbstract()).isTrue(); |
| 153 | + assertThat(interface2Method.getName()).isEqualTo("bar"); |
| 154 | + assertThat(interface2Method.getDescriptor()).isEqualTo("()V"); |
| 155 | + assertThat(interface2.hasSuperTypes()).isFalse(); |
| 156 | + assertThat(interface2.getSuperTypes().collect(Collectors.toList())).isEmpty(); |
| 157 | + } |
| 158 | +} |
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