Examples with TestClassLoader com.navercorp.pinpoint.test.classloader.TestClassLoader used on opensource projects

Example 6 with TestClassLoader

use of com.navercorp.pinpoint.test.classloader.TestClassLoader in project pinpoint by naver.

the class AccessorInjectionTest method testAddSetter.

@Test
public void testAddSetter() throws Exception {
    final TestClassLoader loader = getTestClassLoader();
    final String targetClassName = "com.navercorp.pinpoint.test.javasssit.mock.TestObject4";
    loader.addTransformer(targetClassName, new TransformCallback() {

        @Override
        public byte[] doInTransform(Instrumentor instrumentor, ClassLoader classLoader, String className, Class<?> classBeingRedefined, ProtectionDomain protectionDomain, byte[] classfileBuffer) throws InstrumentException {
            try {
                logger.info("modify cl:{}", classLoader);
                InstrumentClass testClass = instrumentor.getInstrumentClass(classLoader, className, classfileBuffer);
                testClass.addSetter(IntSetter.class.getName(), "intValue");
                testClass.addSetter(IntArraySetter.class.getName(), "intValues");
                testClass.addSetter(IntegerArraySetter.class.getName(), "integerValues");
                return testClass.toBytecode();
            } catch (InstrumentException e) {
                throw new RuntimeException(e.getMessage(), e);
            }
        }
    });
    Object testObject = loader.loadClass(targetClassName).newInstance();
    Class<?> intSetter = loader.loadClass(IntSetter.class.getName());
    Class<?> intsSetter = loader.loadClass(IntArraySetter.class.getName());
    Class<?> integersSetter = loader.loadClass(IntegerArraySetter.class.getName());
    Assert.assertTrue(intSetter.isInstance(testObject));
    Assert.assertTrue(intsSetter.isInstance(testObject));
    Assert.assertTrue(integersSetter.isInstance(testObject));
    int intValue = 99;
    int[] intValues = { 99, 100 };
    Integer[] integerValues = { 99, 100 };
    Method setInt = intSetter.getMethod("_$PINPOINT$_setInt", int.class);
    setInt.invoke(testObject, intValue);
    Method getInt = testObject.getClass().getMethod("getIntValue");
    Assert.assertEquals(intValue, getInt.invoke(testObject));
    Method setInts = intsSetter.getMethod("_$PINPOINT$_setIntArray", int[].class);
    setInts.invoke(testObject, intValues);
    Method getInts = testObject.getClass().getMethod("getIntValues");
    Assert.assertEquals(intValues, getInts.invoke(testObject));
    Method setIntegers = integersSetter.getMethod("_$PINPOINT$_setIntegerArray", Integer[].class);
    // wrap due to vararg expansion
    Object[] wrappedIntegerValues = new Object[] { integerValues };
    setIntegers.invoke(testObject, wrappedIntegerValues);
    Method getIntegers = testObject.getClass().getMethod("getIntegerValues");
    Assert.assertEquals(integerValues, getIntegers.invoke(testObject));
}

Example 7 with TestClassLoader

use of com.navercorp.pinpoint.test.classloader.TestClassLoader in project pinpoint by naver.

the class AccessorInjectionTest method testAddGetter.

@Test
public void testAddGetter() throws Exception {
    final TestClassLoader loader = getTestClassLoader();
    final String targetClassName = "com.navercorp.pinpoint.test.javasssit.mock.TestObject3";
    loader.addTransformer(targetClassName, new TransformCallback() {

        @Override
        public byte[] doInTransform(Instrumentor instrumentor, ClassLoader classLoader, String className, Class<?> classBeingRedefined, ProtectionDomain protectionDomain, byte[] classfileBuffer) throws InstrumentException {
            try {
                logger.info("modify cl:{}", classLoader);
                InstrumentClass aClass = instrumentor.getInstrumentClass(classLoader, className, classfileBuffer);
                aClass.addGetter(StringGetter.class.getName(), "value");
                aClass.addGetter(IntGetter.class.getName(), "intValue");
                aClass.addGetter(IntArrayGetter.class.getName(), "intValues");
                aClass.addGetter(IntegerArrayGetter.class.getName(), "integerValues");
                return aClass.toBytecode();
            } catch (InstrumentException e) {
                throw new RuntimeException(e.getMessage(), e);
            }
        }
    });
    Object testObject = loader.loadClass(targetClassName).newInstance();
    Class<?> stringGetter = loader.loadClass(StringGetter.class.getName());
    Class<?> intGetter = loader.loadClass(IntGetter.class.getName());
    Class<?> intsGetter = loader.loadClass(IntArrayGetter.class.getName());
    Class<?> integersGetter = loader.loadClass(IntegerArrayGetter.class.getName());
    Assert.assertTrue(stringGetter.isInstance(testObject));
    Assert.assertTrue(intGetter.isInstance(testObject));
    Assert.assertTrue(intsGetter.isInstance(testObject));
    Assert.assertTrue(integersGetter.isInstance(testObject));
    String value = "hehe";
    int intValue = 99;
    int[] intValues = { 99, 100 };
    Integer[] integerValues = { 99, 100 };
    Method method = testObject.getClass().getMethod("setValue", String.class);
    method.invoke(testObject, value);
    Method getString = stringGetter.getMethod("_$PINPOINT$_getString");
    Assert.assertEquals(value, getString.invoke(testObject));
    Method setIntValue = testObject.getClass().getMethod("setIntValue", int.class);
    setIntValue.invoke(testObject, intValue);
    Method getInt = intGetter.getMethod("_$PINPOINT$_getInt");
    Assert.assertEquals(intValue, getInt.invoke(testObject));
    Method setIntValues = testObject.getClass().getMethod("setIntValues", int[].class);
    setIntValues.invoke(testObject, intValues);
    Method getIntValues = intsGetter.getMethod("_$PINPOINT$_getIntArray");
    Assert.assertEquals(intValues, getIntValues.invoke(testObject));
    Method setIntegerValues = testObject.getClass().getMethod("setIntegerValues", Integer[].class);
    // wrap due to vararg expansion
    Object[] wrappedIntegerValues = new Object[] { integerValues };
    setIntegerValues.invoke(testObject, wrappedIntegerValues);
    Method getIntegerValues = integersGetter.getMethod("_$PINPOINT$_getIntegerArray");
    Assert.assertEquals(integerValues, getIntegerValues.invoke(testObject));
}