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How to use findMethod method of org.assertj.core.util.introspection.Introspection class

Best Assertj code snippet using org.assertj.core.util.introspection.Introspection.findMethod

Source:Introspection.java

...82  }83  private static Method findGetter(String propertyName, Object target) {84    String capitalized = propertyName.substring(0, 1).toUpperCase(ENGLISH) + propertyName.substring(1);85    // try to find getProperty86    Method getter = findMethod("get" + capitalized, target);87    if (isValidGetter(getter)) return getter;88    if (bareNamePropertyMethods) {89      // try to find bare name property90      getter = findMethod(propertyName, target);91      if (isValidGetter(getter)) return getter;92    }93    // try to find isProperty for boolean properties94    Method isAccessor = findMethod("is" + capitalized, target);95    return isValidGetter(isAccessor) ? isAccessor : null;96  }97  private static boolean isValidGetter(Method method) {98    return method != null && !Modifier.isStatic(method.getModifiers()) && !Void.TYPE.equals(method.getReturnType());99  }100  private static Method findMethod(String name, Object target) {101    final MethodKey methodKey = new MethodKey(name, target.getClass());102    return METHOD_CACHE.computeIfAbsent(methodKey, Introspection::findMethodByKey).orElse(null);103  }104  private static Optional<Method> findMethodByKey(MethodKey key) {105    // try public methods only106    Class<?> clazz = key.clazz;107    try {108      return Optional.of(clazz.getMethod(key.name));109    } catch (NoSuchMethodException | SecurityException ignored) {}110    // search all methods111    while (clazz != null) {112      try {113        return Optional.of(clazz.getDeclaredMethod(key.name));114      } catch (NoSuchMethodException | SecurityException ignored) {}115      clazz = clazz.getSuperclass();116    }117    return Optional.empty();118  }...

findMethod

Using AI Code Generation

1public class IntrospectionTest {2    public static void main(String[] args) {3        IntrospectionTest introspectionTest = new IntrospectionTest();4        Method method = Introspection.findMethod(introspectionTest.getClass(), "method");5        System.out.println(method.getName());6    }7    public void method() {8    }9}

findMethod

Using AI Code Generation

1public void testFindMethod() throws Exception {2    Method method = Introspection.findMethod(Introspection.class, "findMethod", Class.class, String.class, Class[].class);3    assertThat(method).isNotNull();4    assertThat(method.getName()).isEqualTo("findMethod");5}6public void testFindField() throws Exception {7    Field field = Introspection.findField(Introspection.class, "findField");8    assertThat(field).isNotNull();9    assertThat(field.getName()).isEqualTo("findField");10}11public void testInvokeMethod() throws Exception {12    Method method = Introspection.findMethod(Introspection.class, "findMethod", Class.class, String.class, Class[].class);13    Method invokedMethod = (Method) Introspection.invokeMethod(method, null, Introspection.class, "findMethod", Class.class, String.class, Class[].class);14    assertThat(invokedMethod).isNotNull();15    assertThat(invokedMethod.getName()).isEqualTo("findMethod");16}17public void testReadField() throws Exception {18    Field field = Introspection.findField(Introspection.class, "findField");19    String readField = (String) Introspection.readField(field, null);20    assertThat(readField).isNotNull();21    assertThat(readField).isEqualTo("findField");22}23public void testWriteField() throws Exception {24    Field field = Introspection.findField(Introspection.class, "findField");25    Introspection.writeField(field, null, "findMethod");26    String readField = (String) Introspection.readField(field, null);27    assertThat(readField).isNotNull();28    assertThat(readField).isEqualTo("findMethod");29}

findMethod

Using AI Code Generation

1Method method = Introspection.findMethod(ClassName.class, "methodName", "String");2Method method = Introspection.findMethod(ClassName.class, "methodName", "String", "int");3Method method = Introspection.findMethod(ClassName.class, "methodName", "String", "int", "long");4Method method = Introspection.findMethod(ClassName.class, "methodName", "String", "int", "long", "float");5Method method = Introspection.findMethod(ClassName.class, "methodName", "String", "int", "long", "float", "double");6Method method = Introspection.findMethod(ClassName.class, "methodName", "String", "int", "long", "float", "double", "boolean");7Method method = Introspection.findMethod(ClassName.class, "methodName", "String", "int", "long", "float", "double", "boolean", "char");8Method method = Introspection.findMethod(ClassName.class, "methodName", "String", "int", "long", "float", "double", "boolean", "char", "byte");9Method method = Introspection.findMethod(ClassName.class, "methodName", "String", "int", "long", "float", "double

findMethod

Using AI Code Generation

1List<Object> list = new ArrayList<>();2list.add("Hello");3list.add(100);4List<Class<?>> parameterTypes = new ArrayList<>();5parameterTypes.add(String.class);6parameterTypes.add(Integer.class);7Method method = Introspection.findMethod("addAll", parameterTypes, list);8System.out.println("Method name: " + method.getName());9System.out.println("Method parameter types: " + Arrays.toString(method.getParameterTypes()));

findMethod

Using AI Code Generation

1public void test() {2    Person person = new Person("John", 25);3    Method method = Introspection.findMethod(Person.class, "getAge");4    assertThat(method).isNotNull();5    int age = (int) Introspection.invokeMethod(person, method);6    assertThat(age).isEqualTo(25);7}8public void test() {9    Person person = new Person("John", 25);10    Field field = Introspection.findField(Person.class, "name");11    assertThat(field).isNotNull();12    String name = (String) Introspection.readField(person, field);13    assertThat(name).isEqualTo("John");14}15public void test() {16    Person person = new Person("John", 25);17    Field field = Introspection.findField(Person.class, "name");18    assertThat(field).isNotNull();19    Introspection.writeField(person, field, "Doe");20    assertThat(person.getName()).isEqualTo("Doe");21}22public void test() {23    Person person = new Person("John", 25);24    Field field = Introspection.findField(Person.class, "name");25    assertThat(field).isNotNull();26    Introspection.setField(person, field, "Doe");27    assertThat(person.getName()).isEqualTo("Doe");28}

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