[MVC 구현하기 - 1단계] 에버(손채영) 미션 제출합니다.

study/src/test/java/reflection/Junit3Test.java

@@ -9,7 +9,7 @@ public void test2() throws Exception {
         System.out.println("Running Test2");
     }
 
-    public void three() throws Exception {
+    private void privateTest3() throws Exception {
         System.out.println("Running Test3");
     }
 }

study/src/test/java/reflection/Junit3TestRunner.java

@@ -1,28 +1,72 @@
 package reflection;
 
+import static org.assertj.core.api.Assertions.assertThat;
+
 import java.lang.reflect.Method;
 import java.util.Arrays;
 import java.util.List;
+import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
 
 class Junit3TestRunner {
 
+    Class<Junit3Test> clazz = Junit3Test.class;
+
     @Test
     void run() throws Exception {
-        Class<Junit3Test> clazz = Junit3Test.class;
-
         // TODO Junit3Test에서 test로 시작하는 메소드 실행
         Junit3Test junit3Test = clazz.getConstructor().newInstance();
         List<Method> testMethods = getDeclaredTestMethods(clazz);
+        assertThat(testMethods).hasSize(2);
         for (Method method : testMethods) {
             method.invoke(junit3Test);
         }
     }
 
     private List<Method> getDeclaredTestMethods(Class<Junit3Test> clazz) {
-        Method[] methods = clazz.getDeclaredMethods();
+        Method[] methods = clazz.getMethods();
         return Arrays.stream(methods)
                 .filter(method -> method.getName().startsWith("test"))
                 .toList();
     }
+
+    @DisplayName("getMethods: 상속 메서드를 포함한 모든 public 메서드를 반환한다.")
+    @Test
+    void getMethods() {
+        // given & when
+        Method[] methods = clazz.getMethods();
+
+        // then
+        List<String> actual = Arrays.stream(methods)
+                .map(Method::getName)
+                .toList();
+        assertThat(actual).containsExactly(
+                "test1",
+                "test2",
+                "equals",
+                "toString",
+                "hashCode",
+                "getClass",
+                "notify",
+                "notifyAll",
+                "wait",
+                "wait",
+                "wait");
+    }
+
+    @DisplayName("getDeclaredMethods: 상속 메서드를 제외하고 직접 선언된 모든 메서드를 반환한다.")
+    @Test
+    void getDeclaredMethods() {
+        // given & when
+        Method[] methods = clazz.getDeclaredMethods();
+
+        // then
+        List<String> actual = Arrays.stream(methods)
+                .map(Method::getName)
+                .toList();
+        assertThat(actual).containsExactly(
+                "test1",
+                "test2",
+                "privateTest3");
+    }
 }