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Uncomment and fix JAX-RS default method tests (#2930)

This commit is contained in:
Trask Stalnaker 2021-05-11 11:22:11 -07:00 committed by GitHub
parent 1086bce0b0
commit 8379404ae8
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GPG Key ID: 4AEE18F83AFDEB23
14 changed files with 87 additions and 87 deletions
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4
instrumentation/apache-camel-2.20/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/apachecamel/ApacheCamelInstrumentationModule.java
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@ -8,10 +8,8 @@ package io.opentelemetry.javaagent.instrumentation.apachecamel;
import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.implementsInterface; import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.implementsInterface;
import static io.opentelemetry.javaagent.extension.matcher.ClassLoaderMatcher.hasClassesNamed; import static io.opentelemetry.javaagent.extension.matcher.ClassLoaderMatcher.hasClassesNamed;
import static java.util.Collections.singletonList; import static java.util.Collections.singletonList;
import static net.bytebuddy.matcher.ElementMatchers.isAbstract;
import static net.bytebuddy.matcher.ElementMatchers.isPublic; import static net.bytebuddy.matcher.ElementMatchers.isPublic;
import static net.bytebuddy.matcher.ElementMatchers.named; import static net.bytebuddy.matcher.ElementMatchers.named;
import static net.bytebuddy.matcher.ElementMatchers.not;
import static net.bytebuddy.matcher.ElementMatchers.takesArguments; import static net.bytebuddy.matcher.ElementMatchers.takesArguments;
import com.google.auto.service.AutoService; import com.google.auto.service.AutoService;
@ -51,7 +49,7 @@ public class ApacheCamelInstrumentationModule extends InstrumentationModule {
@Override @Override
public ElementMatcher<TypeDescription> typeMatcher() { public ElementMatcher<TypeDescription> typeMatcher() {
return not(isAbstract()).and(implementsInterface(named("org.apache.camel.CamelContext"))); return implementsInterface(named("org.apache.camel.CamelContext"));
} }
@Override @Override

4
instrumentation/grizzly-2.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/grizzly/HttpHandlerInstrumentation.java
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@ -5,7 +5,7 @@
package io.opentelemetry.javaagent.instrumentation.grizzly; package io.opentelemetry.javaagent.instrumentation.grizzly;
import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.safeHasSuperType; import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.extendsClass;
import static io.opentelemetry.javaagent.extension.matcher.ClassLoaderMatcher.hasClassesNamed; import static io.opentelemetry.javaagent.extension.matcher.ClassLoaderMatcher.hasClassesNamed;
import static net.bytebuddy.matcher.ElementMatchers.isMethod; import static net.bytebuddy.matcher.ElementMatchers.isMethod;
import static net.bytebuddy.matcher.ElementMatchers.isPublic; import static net.bytebuddy.matcher.ElementMatchers.isPublic;
@ -28,7 +28,7 @@ public class HttpHandlerInstrumentation implements TypeInstrumentation {
@Override @Override
public ElementMatcher<TypeDescription> typeMatcher() { public ElementMatcher<TypeDescription> typeMatcher() {
return safeHasSuperType(named("org.glassfish.grizzly.http.server.HttpHandler")); return extendsClass(named("org.glassfish.grizzly.http.server.HttpHandler"));
} }
@Override @Override

4
instrumentation/grpc-1.6/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/grpc/v1_6/GrpcServerBuilderInstrumentation.java
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@ -5,7 +5,7 @@
package io.opentelemetry.javaagent.instrumentation.grpc.v1_6; package io.opentelemetry.javaagent.instrumentation.grpc.v1_6;
import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.safeHasSuperType; import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.extendsClass;
import static io.opentelemetry.javaagent.extension.matcher.ClassLoaderMatcher.hasClassesNamed; import static io.opentelemetry.javaagent.extension.matcher.ClassLoaderMatcher.hasClassesNamed;
import static net.bytebuddy.matcher.ElementMatchers.isMethod; import static net.bytebuddy.matcher.ElementMatchers.isMethod;
import static net.bytebuddy.matcher.ElementMatchers.isPublic; import static net.bytebuddy.matcher.ElementMatchers.isPublic;
@ -31,7 +31,7 @@ public class GrpcServerBuilderInstrumentation implements TypeInstrumentation {
@Override @Override
public ElementMatcher<TypeDescription> typeMatcher() { public ElementMatcher<TypeDescription> typeMatcher() {
return safeHasSuperType(named("io.grpc.ServerBuilder")); return extendsClass(named("io.grpc.ServerBuilder"));
} }
@Override @Override

5
instrumentation/jaxrs/jaxrs-1.0/javaagent/src/test/groovy/JaxRsAnnotations1InstrumentationTest.groovy
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@ -45,7 +45,7 @@ class JaxRsAnnotations1InstrumentationTest extends AgentInstrumentationSpecifica
} }
@Unroll @Unroll
def "span named '#paramName' from annotations on class when is not root span"() { def "span named '#paramName' from annotations on class '#className' when is not root span"() {
setup: setup:
runUnderServerTrace("test") { runUnderServerTrace("test") {
obj.call() obj.call()
@ -128,8 +128,7 @@ class JaxRsAnnotations1InstrumentationTest extends AgentInstrumentationSpecifica
} }
"/child/call" | new ChildClassWithPath() "/child/call" | new ChildClassWithPath()
"/child/call" | new JavaInterfaces.ChildClassOnInterface() "/child/call" | new JavaInterfaces.ChildClassOnInterface()
// TODO: uncomment when we drop support for Java 7 "/child/call" | new JavaInterfaces.DefaultChildClassOnInterface()
// "/child/invoke" | new JavaInterfaces.DefaultChildClassOnInterface()
className = getClassName(obj.class) className = getClassName(obj.class)
} }

47
instrumentation/jaxrs/jaxrs-1.0/javaagent/src/test/java/JavaInterfaces.java
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@ -23,7 +23,8 @@ public class JavaInterfaces {
} }
@Path("abstract") @Path("abstract")
abstract class AbstractClassOnInterfaceWithClassPath implements InterfaceWithClassMethodPath { abstract static class AbstractClassOnInterfaceWithClassPath
implements InterfaceWithClassMethodPath {
@GET @GET
@Path("call") @Path("call")
@ -36,7 +37,7 @@ public class JavaInterfaces {
} }
@Path("child") @Path("child")
class ChildClassOnInterface extends AbstractClassOnInterfaceWithClassPath { static class ChildClassOnInterface extends AbstractClassOnInterfaceWithClassPath {
@Override @Override
void actual() { void actual() {
@ -44,25 +45,25 @@ public class JavaInterfaces {
} }
} }
// TODO: uncomment when we drop support for Java 7 @Path("interface")
// @Path("interface") interface DefaultInterfaceWithClassMethodPath extends Jax {
// interface DefaultInterfaceWithClassMethodPath extends Jax {
// @Override
// @GET @GET
// @Path("invoke") @Path("call")
// default void call() { default void call() {
// actual(); actual();
// } }
//
// void actual(); void actual();
// } }
//
// @Path("child") @Path("child")
// class DefaultChildClassOnInterface implements DefaultInterfaceWithClassMethodPath { static class DefaultChildClassOnInterface implements DefaultInterfaceWithClassMethodPath {
//
// @Override @Override
// public void actual() { public void actual() {
// // do nothing // do nothing
// } }
// } }
} }

5
instrumentation/jaxrs/jaxrs-2.0/jaxrs-2.0-testing/src/main/groovy/JaxRsAnnotationsInstrumentationTest.groovy
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@ -45,7 +45,7 @@ abstract class JaxRsAnnotationsInstrumentationTest extends AgentInstrumentationS
} }
@Unroll @Unroll
def "span named '#paramName' from annotations on class when is not root span"() { def "span named '#paramName' from annotations on class '#className' when is not root span"() {
setup: setup:
runUnderServerTrace("test") { runUnderServerTrace("test") {
obj.call() obj.call()
@ -128,8 +128,7 @@ abstract class JaxRsAnnotationsInstrumentationTest extends AgentInstrumentationS
} }
"/child/call" | new ChildClassWithPath() "/child/call" | new ChildClassWithPath()
"/child/call" | new JavaInterfaces.ChildClassOnInterface() "/child/call" | new JavaInterfaces.ChildClassOnInterface()
// TODO: uncomment when we drop support for Java 7 "/child/call" | new JavaInterfaces.DefaultChildClassOnInterface()
// "GET /child/invoke" | new JavaInterfaces.DefaultChildClassOnInterface()
className = getClassName(obj.class) className = getClassName(obj.class)
} }

47
instrumentation/jaxrs/jaxrs-2.0/jaxrs-2.0-testing/src/main/java/JavaInterfaces.java
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@ -23,7 +23,8 @@ public class JavaInterfaces {
} }
@Path("abstract") @Path("abstract")
abstract class AbstractClassOnInterfaceWithClassPath implements InterfaceWithClassMethodPath { abstract static class AbstractClassOnInterfaceWithClassPath
implements InterfaceWithClassMethodPath {
@GET @GET
@Path("call") @Path("call")
@ -36,7 +37,7 @@ public class JavaInterfaces {
} }
@Path("child") @Path("child")
class ChildClassOnInterface extends AbstractClassOnInterfaceWithClassPath { static class ChildClassOnInterface extends AbstractClassOnInterfaceWithClassPath {
@Override @Override
void actual() { void actual() {
@ -44,25 +45,25 @@ public class JavaInterfaces {
} }
} }
// TODO: uncomment when we drop support for Java 7 @Path("interface")
// @Path("interface") interface DefaultInterfaceWithClassMethodPath extends Jax {
// interface DefaultInterfaceWithClassMethodPath extends Jax {
// @Override
// @GET @GET
// @Path("invoke") @Path("call")
// default void call() { default void call() {
// actual(); actual();
// } }
//
// void actual(); void actual();
// } }
//
// @Path("child") @Path("child")
// class DefaultChildClassOnInterface implements DefaultInterfaceWithClassMethodPath { static class DefaultChildClassOnInterface implements DefaultInterfaceWithClassMethodPath {
//
// @Override @Override
// public void actual() { public void actual() {
// // do nothing // do nothing
// } }
// } }
} }

4
instrumentation/khttp-0.1/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/khttp/KHttpInstrumentationModule.java
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@ -5,7 +5,7 @@
package io.opentelemetry.javaagent.instrumentation.khttp; package io.opentelemetry.javaagent.instrumentation.khttp;
import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.safeHasSuperType; import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.extendsClass;
import static io.opentelemetry.javaagent.extension.matcher.ClassLoaderMatcher.hasClassesNamed; import static io.opentelemetry.javaagent.extension.matcher.ClassLoaderMatcher.hasClassesNamed;
import static java.util.Collections.singletonList; import static java.util.Collections.singletonList;
import static java.util.Collections.singletonMap; import static java.util.Collections.singletonMap;
@ -45,7 +45,7 @@ public class KHttpInstrumentationModule extends InstrumentationModule {
@Override @Override
public ElementMatcher<TypeDescription> typeMatcher() { public ElementMatcher<TypeDescription> typeMatcher() {
return safeHasSuperType(named("khttp.KHttp")); return extendsClass(named("khttp.KHttp"));
} }
@Override @Override

6
instrumentation/vertx-web-3.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/vertx/VertxWebInstrumentationModule.java
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@ -5,14 +5,12 @@
package io.opentelemetry.javaagent.instrumentation.vertx; package io.opentelemetry.javaagent.instrumentation.vertx;
import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.safeHasSuperType; import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.implementsInterface;
import static io.opentelemetry.javaagent.extension.matcher.ClassLoaderMatcher.hasClassesNamed; import static io.opentelemetry.javaagent.extension.matcher.ClassLoaderMatcher.hasClassesNamed;
import static java.util.Collections.singletonList; import static java.util.Collections.singletonList;
import static java.util.Collections.singletonMap; import static java.util.Collections.singletonMap;
import static net.bytebuddy.matcher.ElementMatchers.isInterface;
import static net.bytebuddy.matcher.ElementMatchers.isMethod; import static net.bytebuddy.matcher.ElementMatchers.isMethod;
import static net.bytebuddy.matcher.ElementMatchers.named; import static net.bytebuddy.matcher.ElementMatchers.named;
import static net.bytebuddy.matcher.ElementMatchers.not;
import static net.bytebuddy.matcher.ElementMatchers.takesArgument; import static net.bytebuddy.matcher.ElementMatchers.takesArgument;
import com.google.auto.service.AutoService; import com.google.auto.service.AutoService;
@ -47,7 +45,7 @@ public class VertxWebInstrumentationModule extends InstrumentationModule {
@Override @Override
public ElementMatcher<TypeDescription> typeMatcher() { public ElementMatcher<TypeDescription> typeMatcher() {
return not(isInterface()).and(safeHasSuperType(named("io.vertx.ext.web.Route"))); return implementsInterface(named("io.vertx.ext.web.Route"));
} }
@Override @Override

6
javaagent-extension-api/src/main/java/io/opentelemetry/javaagent/extension/matcher/AgentElementMatchers.java
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@ -25,8 +25,7 @@ public final class AgentElementMatchers {
public static ElementMatcher.Junction<TypeDescription> implementsInterface( public static ElementMatcher.Junction<TypeDescription> implementsInterface(
ElementMatcher<TypeDescription> matcher) { ElementMatcher<TypeDescription> matcher) {
return not(isInterface()) return new SafeHasSuperTypeMatcher(new SafeErasureMatcher<>(matcher), true);
.and(new SafeHasSuperTypeMatcher(new SafeErasureMatcher<>(matcher), true));
} }
public static ElementMatcher.Junction<TypeDescription> hasInterface( public static ElementMatcher.Junction<TypeDescription> hasInterface(
@ -36,8 +35,7 @@ public final class AgentElementMatchers {
public static ElementMatcher.Junction<TypeDescription> safeHasSuperType( public static ElementMatcher.Junction<TypeDescription> safeHasSuperType(
ElementMatcher<TypeDescription> matcher) { ElementMatcher<TypeDescription> matcher) {
return not(isInterface()) return new SafeHasSuperTypeMatcher(new SafeErasureMatcher<>(matcher), false);
.and(new SafeHasSuperTypeMatcher(new SafeErasureMatcher<>(matcher), false));
} }
/** /**

4
javaagent-tooling/src/main/java/io/opentelemetry/javaagent/tooling/context/FieldBackedProvider.java
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@ -7,7 +7,9 @@ package io.opentelemetry.javaagent.tooling.context;
import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.safeHasSuperType; import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.safeHasSuperType;
import static io.opentelemetry.javaagent.extension.matcher.ClassLoaderMatcher.BOOTSTRAP_CLASSLOADER; import static io.opentelemetry.javaagent.extension.matcher.ClassLoaderMatcher.BOOTSTRAP_CLASSLOADER;
import static net.bytebuddy.matcher.ElementMatchers.isAbstract;
import static net.bytebuddy.matcher.ElementMatchers.named; import static net.bytebuddy.matcher.ElementMatchers.named;
import static net.bytebuddy.matcher.ElementMatchers.not;
import io.opentelemetry.instrumentation.api.caching.Cache; import io.opentelemetry.instrumentation.api.caching.Cache;
import io.opentelemetry.instrumentation.api.config.Config; import io.opentelemetry.instrumentation.api.config.Config;
@ -385,7 +387,7 @@ public class FieldBackedProvider implements InstrumentationContextProvider {
*/ */
builder = builder =
builder builder
.type(safeHasSuperType(named(entry.getKey()))) .type(not(isAbstract()).and(safeHasSuperType(named(entry.getKey()))))
.and(safeToInjectFieldsMatcher()) .and(safeToInjectFieldsMatcher())
.and(ActualInstrumentationExtensionImplementation.NOT_DECORATOR_MATCHER) .and(ActualInstrumentationExtensionImplementation.NOT_DECORATOR_MATCHER)
.transform(NoOpTransformer.INSTANCE); .transform(NoOpTransformer.INSTANCE);

8
javaagent-tooling/src/test/groovy/io/opentelemetry/javaagent/tooling/bytebuddy/matcher/HasInterfaceMatcherTest.groovy
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@ -10,10 +10,13 @@ import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.
import static net.bytebuddy.matcher.ElementMatchers.named import static net.bytebuddy.matcher.ElementMatchers.named
import io.opentelemetry.javaagent.tooling.AgentTooling import io.opentelemetry.javaagent.tooling.AgentTooling
import io.opentelemetry.javaagent.tooling.bytebuddy.matcher.testclasses.* import io.opentelemetry.javaagent.tooling.bytebuddy.matcher.testclasses.A
import io.opentelemetry.javaagent.tooling.bytebuddy.matcher.testclasses.B
import io.opentelemetry.javaagent.tooling.bytebuddy.matcher.testclasses.E
import io.opentelemetry.javaagent.tooling.bytebuddy.matcher.testclasses.F
import io.opentelemetry.javaagent.tooling.bytebuddy.matcher.testclasses.G
import net.bytebuddy.description.type.TypeDescription import net.bytebuddy.description.type.TypeDescription
import net.bytebuddy.description.type.TypeList import net.bytebuddy.description.type.TypeList
import net.bytebuddy.jar.asm.Opcodes
import spock.lang.Shared import spock.lang.Shared
import spock.lang.Specification import spock.lang.Specification
@ -57,7 +60,6 @@ class HasInterfaceMatcherTest extends Specification {
then: then:
!result // default to false !result // default to false
noExceptionThrown() noExceptionThrown()
1 * type.getModifiers() >> Opcodes.ACC_ABSTRACT
1 * type.isInterface() >> true 1 * type.isInterface() >> true
1 * type.asGenericType() >> typeGeneric 1 * type.asGenericType() >> typeGeneric
1 * typeGeneric.asErasure() >> { throw new Exception("asErasure exception") } 1 * typeGeneric.asErasure() >> { throw new Exception("asErasure exception") }

15
javaagent-tooling/src/test/groovy/io/opentelemetry/javaagent/tooling/bytebuddy/matcher/ImplementsInterfaceMatcherTest.groovy
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@ -9,10 +9,13 @@ import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.
import static net.bytebuddy.matcher.ElementMatchers.named import static net.bytebuddy.matcher.ElementMatchers.named
import io.opentelemetry.javaagent.tooling.AgentTooling import io.opentelemetry.javaagent.tooling.AgentTooling
import io.opentelemetry.javaagent.tooling.bytebuddy.matcher.testclasses.* import io.opentelemetry.javaagent.tooling.bytebuddy.matcher.testclasses.A
import io.opentelemetry.javaagent.tooling.bytebuddy.matcher.testclasses.B
import io.opentelemetry.javaagent.tooling.bytebuddy.matcher.testclasses.E
import io.opentelemetry.javaagent.tooling.bytebuddy.matcher.testclasses.F
import io.opentelemetry.javaagent.tooling.bytebuddy.matcher.testclasses.G
import net.bytebuddy.description.type.TypeDescription import net.bytebuddy.description.type.TypeDescription
import net.bytebuddy.description.type.TypeList import net.bytebuddy.description.type.TypeList
import net.bytebuddy.jar.asm.Opcodes
import spock.lang.Shared import spock.lang.Shared
import spock.lang.Specification import spock.lang.Specification
@ -28,10 +31,10 @@ class ImplementsInterfaceMatcherTest extends Specification {
where: where:
matcherClass | type | result matcherClass | type | result
A | A | false A | A | true
A | B | false A | B | true
B | A | false B | A | false
A | E | false A | E | true
A | F | true A | F | true
A | G | true A | G | true
F | A | false F | A | false
@ -54,7 +57,6 @@ class ImplementsInterfaceMatcherTest extends Specification {
then: then:
!result // default to false !result // default to false
noExceptionThrown() noExceptionThrown()
1 * type.getModifiers() >> Opcodes.ACC_ABSTRACT
1 * type.isInterface() >> true 1 * type.isInterface() >> true
1 * type.asGenericType() >> typeGeneric 1 * type.asGenericType() >> typeGeneric
1 * typeGeneric.asErasure() >> { throw new Exception("asErasure exception") } 1 * typeGeneric.asErasure() >> { throw new Exception("asErasure exception") }
@ -79,7 +81,6 @@ class ImplementsInterfaceMatcherTest extends Specification {
then: then:
!result // default to false !result // default to false
noExceptionThrown() noExceptionThrown()
1 * type.getModifiers() >> Opcodes.ACC_ABSTRACT
1 * type.isInterface() >> true 1 * type.isInterface() >> true
1 * type.asGenericType() >> typeGeneric 1 * type.asGenericType() >> typeGeneric
1 * typeGeneric.asErasure() >> { throw new Exception("asErasure exception") } 1 * typeGeneric.asErasure() >> { throw new Exception("asErasure exception") }

15
javaagent-tooling/src/test/groovy/io/opentelemetry/javaagent/tooling/bytebuddy/matcher/SafeHasSuperTypeMatcherTest.groovy
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@ -9,10 +9,13 @@ import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.
import static net.bytebuddy.matcher.ElementMatchers.named import static net.bytebuddy.matcher.ElementMatchers.named
import io.opentelemetry.javaagent.tooling.AgentTooling import io.opentelemetry.javaagent.tooling.AgentTooling
import io.opentelemetry.javaagent.tooling.bytebuddy.matcher.testclasses.* import io.opentelemetry.javaagent.tooling.bytebuddy.matcher.testclasses.A
import io.opentelemetry.javaagent.tooling.bytebuddy.matcher.testclasses.B
import io.opentelemetry.javaagent.tooling.bytebuddy.matcher.testclasses.E
import io.opentelemetry.javaagent.tooling.bytebuddy.matcher.testclasses.F
import io.opentelemetry.javaagent.tooling.bytebuddy.matcher.testclasses.G
import net.bytebuddy.description.type.TypeDescription import net.bytebuddy.description.type.TypeDescription
import net.bytebuddy.description.type.TypeList import net.bytebuddy.description.type.TypeList
import net.bytebuddy.jar.asm.Opcodes
import spock.lang.Shared import spock.lang.Shared
import spock.lang.Specification import spock.lang.Specification
@ -28,10 +31,10 @@ class SafeHasSuperTypeMatcherTest extends Specification {
where: where:
matcherClass | type | result matcherClass | type | result
A | A | false A | A | true
A | B | false A | B | true
B | A | false B | A | false
A | E | false A | E | true
A | F | true A | F | true
B | G | true B | G | true
F | A | false F | A | false
@ -54,7 +57,6 @@ class SafeHasSuperTypeMatcherTest extends Specification {
then: then:
!result // default to false !result // default to false
noExceptionThrown() noExceptionThrown()
1 * type.getModifiers() >> Opcodes.ACC_ABSTRACT
1 * type.asGenericType() >> typeGeneric 1 * type.asGenericType() >> typeGeneric
1 * typeGeneric.asErasure() >> { throw new Exception("asErasure exception") } 1 * typeGeneric.asErasure() >> { throw new Exception("asErasure exception") }
1 * typeGeneric.getTypeName() >> "typeGeneric-name" 1 * typeGeneric.getTypeName() >> "typeGeneric-name"
@ -78,7 +80,6 @@ class SafeHasSuperTypeMatcherTest extends Specification {
then: then:
!result // default to false !result // default to false
noExceptionThrown() noExceptionThrown()
1 * type.getModifiers() >> Opcodes.ACC_ABSTRACT
1 * type.getInterfaces() >> interfaces 1 * type.getInterfaces() >> interfaces
1 * interfaces.iterator() >> it 1 * interfaces.iterator() >> it
1 * type.asGenericType() >> typeGeneric 1 * type.asGenericType() >> typeGeneric