test : mock user 어노테이션추가

src/test/java/gdsc/konkuk/platformcore/annotation/CustomMockUser.java

@@ -0,0 +1,16 @@
+package gdsc.konkuk.platformcore.annotation;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+import org.springframework.security.test.context.support.WithSecurityContext;
+
+import gdsc.konkuk.platformcore.domain.member.entity.MemberRole;
+
+@Retention(RetentionPolicy.RUNTIME)
+@WithSecurityContext(factory = WithMyCustomUserSecurityContextFactory.class)
+public @interface CustomMockUser {
+	String memberId() default "202011288";
+
+	MemberRole role() default MemberRole.MEMBER;
+}

src/test/java/gdsc/konkuk/platformcore/annotation/WithMyCustomUserSecurityContextFactory.java

@@ -0,0 +1,36 @@
+package gdsc.konkuk.platformcore.annotation;
+
+import java.util.List;
+
+import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.GrantedAuthority;
+import org.springframework.security.core.authority.SimpleGrantedAuthority;
+import org.springframework.security.core.context.SecurityContext;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.security.test.context.support.WithSecurityContextFactory;
+
+import gdsc.konkuk.platformcore.domain.member.entity.MemberRole;
+
+public class WithMyCustomUserSecurityContextFactory implements WithSecurityContextFactory<CustomMockUser> {
+	@Override
+	public SecurityContext createSecurityContext(CustomMockUser annotation) {
+		String memberId = annotation.memberId();
+		MemberRole role = annotation.role();
+
+		Authentication auth = new UsernamePasswordAuthenticationToken(
+			memberId,
+			"",
+			buildGrantedAuthoritiesFromRole(role)
+		);
+
+		SecurityContext context = SecurityContextHolder.getContext();
+		context.setAuthentication(auth);
+
+		return context;
+	}
+
+	private List<GrantedAuthority> buildGrantedAuthoritiesFromRole(final MemberRole role) {
+		return List.of(new SimpleGrantedAuthority(role.toString()));
+	}
+}