Runs Mockito on Graal VM

run.sh

#!/bin/bash
set -x
set -e
if [[ -z $1 ]]; then
  echo "Specify location of Graal VM as first argument"
  exit 1
fi
$1/bin/gu install native-image
rm -rf META-INF sample sample.build_artifacts.txt Sample.* *.jar
echo "public class Sample {
  public static void main(String[] args) {
    Sample sample = org.mockito.Mockito.mock(Sample.class);
    org.mockito.Mockito.when(sample.m()).thenReturn(\"Hello Graal!\");
    System.out.println(sample.getClass());
    System.out.println(sample.m());
  }
  public String m() { return null; }
}" > Sample.java
wget -O bytebuddy.jar https://search.maven.org/remotecontent?filepath=net/bytebuddy/byte-buddy/1.12.10/byte-buddy-1.12.10.jar
wget -O mockito.jar https://search.maven.org/remotecontent?filepath=org/mockito/mockito-core/4.5.0/mockito-core-4.5.0.jar
wget -O objenesis.jar https://search.maven.org/remotecontent?filepath=org/objenesis/objenesis/3.2/objenesis-3.2.jar
export dependencies=bytebuddy.jar:mockito.jar:objenesis.jar:.
$1/bin/javac -cp $dependencies Sample.java
$1/bin/java -agentlib:native-image-agent=config-output-dir=META-INF/native-image,experimental-class-define-support -cp $dependencies Sample
$1/bin/native-image --no-fallback -cp $dependencies \
--rerun-class-initialization-at-runtime=\
net.bytebuddy.ClassFileVersion,\
net.bytebuddy.utility.dispatcher.JavaDispatcher,\
net.bytebuddy.utility.Invoker\$Dispatcher \
--initialize-at-build-time=\
net.bytebuddy.description.method.MethodDescription\$InDefinedShape\$AbstractBase\$ForLoadedExecutable,\
net.bytebuddy.description.type.TypeDescription\$AbstractBase,\
net.bytebuddy.description.type.TypeDescription\$ForLoadedType,\
net.bytebuddy.description.method.MethodDescription\$ForLoadedMethod,\
net.bytebuddy.implementation.bind.annotation.Argument\$BindingMechanic,\
net.bytebuddy.implementation.bind.annotation.Argument\$BindingMechanic\$1,\
net.bytebuddy.implementation.bind.annotation.Argument\$BindingMechanic\$2,\
net.bytebuddy.implementation.bind.annotation.Super\$Instantiation\$2 \
Sample
./sample

@linghengqian Nice. Yes for newer libs there is also that DynamicCLassLoader. BTW are you sure about those \\$ escapings? They were important in the shell script, I don't think you need them in your Strings in Groovy. My 2 cents.

• @phejl I noticed an issue with my comment earlier while working on apache/shardingsphere#21347, I just updated my comment above. You are correct, I misunderstood something earlier due to Gradle Cache.

• And due to issues on the Junit 5 Platform side, not all mockito-inline 4.11 use cases pass nativeTest properly.