From bd07c8df14df9e011f35eb0add88c5ac4a4dd8be Mon Sep 17 00:00:00 2001
From: haerong22 <haerong22@naver.com>
Date: Wed, 25 Jan 2023 03:26:53 +0900
Subject: [PATCH] #16 board: kakao oauth - response dto, test

---
 .../dto/security/KakaoOAuth2Response.java     | 58 ++++++++++++++++++
 .../dto/security/KakaoOAuth2ResponseTest.java | 60 +++++++++++++++++++
 2 files changed, 118 insertions(+)
 create mode 100644 board/src/main/java/com/example/board/dto/security/KakaoOAuth2Response.java
 create mode 100644 board/src/test/java/com/example/board/dto/security/KakaoOAuth2ResponseTest.java

diff --git a/board/src/main/java/com/example/board/dto/security/KakaoOAuth2Response.java b/board/src/main/java/com/example/board/dto/security/KakaoOAuth2Response.java
new file mode 100644
index 00000000..b84c0c69
--- /dev/null
+++ b/board/src/main/java/com/example/board/dto/security/KakaoOAuth2Response.java
@@ -0,0 +1,58 @@
+package com.example.board.dto.security;
+
+import java.time.LocalDateTime;
+import java.time.ZoneId;
+import java.time.format.DateTimeFormatter;
+import java.util.Map;
+@SuppressWarnings("unchecked")
+public record KakaoOAuth2Response(
+        Long id,
+        LocalDateTime connectedAt,
+        Map<String, Object> properties,
+        KakaoAccount kakaoAccount
+) {
+    public record KakaoAccount(
+            Boolean profileNicknameNeedsAgreement,
+            Profile profile,
+            Boolean hasEmail,
+            Boolean emailNeedsAgreement,
+            Boolean isEmailValid,
+            Boolean isEmailVerified,
+            String email
+    ) {
+        public record Profile(String nickname) {
+            public static Profile from(Map<String, Object> attributes) {
+                return new Profile(String.valueOf(attributes.get("nickname")));
+            }
+        }
+
+        public static KakaoAccount from(Map<String, Object> attributes) {
+            return new KakaoAccount(
+                    Boolean.valueOf(String.valueOf(attributes.get("profile_nickname_needs_agreement"))),
+                    Profile.from((Map<String, Object>) attributes.get("profile")),
+                    Boolean.valueOf(String.valueOf(attributes.get("has_email"))),
+                    Boolean.valueOf(String.valueOf(attributes.get("email_needs_agreement"))),
+                    Boolean.valueOf(String.valueOf(attributes.get("is_email_valid"))),
+                    Boolean.valueOf(String.valueOf(attributes.get("is_email_verified"))),
+                    String.valueOf(attributes.get("email"))
+            );
+        }
+
+        public String nickname() { return this.profile().nickname(); }
+    }
+
+    public static KakaoOAuth2Response from(Map<String, Object> attributes) {
+        return new KakaoOAuth2Response(
+                Long.valueOf(String.valueOf(attributes.get("id"))),
+                LocalDateTime.parse(
+                        String.valueOf(attributes.get("connected_at")),
+                        DateTimeFormatter.ISO_INSTANT.withZone(ZoneId.systemDefault())
+                ),
+                (Map<String, Object>) attributes.get("properties"),
+                KakaoAccount.from((Map<String, Object>) attributes.get("kakao_account"))
+        );
+    }
+
+    public String email() { return this.kakaoAccount().email(); }
+    public String nickname() { return this.kakaoAccount().nickname(); }
+}
\ No newline at end of file
diff --git a/board/src/test/java/com/example/board/dto/security/KakaoOAuth2ResponseTest.java b/board/src/test/java/com/example/board/dto/security/KakaoOAuth2ResponseTest.java
new file mode 100644
index 00000000..0fbace0b
--- /dev/null
+++ b/board/src/test/java/com/example/board/dto/security/KakaoOAuth2ResponseTest.java
@@ -0,0 +1,60 @@
+package com.example.board.dto.security;
+
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+import java.time.ZoneId;
+import java.time.ZoneOffset;
+import java.time.ZonedDateTime;
+import java.util.Map;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@DisplayName("DTO - Kakao OAuth 2.0 인증 응답 데이터 테스트")
+class KakaoOAuth2ResponseTest {
+
+    private final ObjectMapper mapper = new ObjectMapper();
+
+    @DisplayName("인증 결과를 Map(deserialized json)으로 받으면, 카카오 인증 응답 객체로 변환한다.")
+    @Test
+    void givenMapFromJson_whenInstantiating_thenReturnsKakaoResponseObject() throws Exception {
+        // Given
+        String serializedResponse = """
+                {
+                    "id": 1234567890,
+                    "connected_at": "2022-01-02T00:12:34Z",
+                    "properties": {
+                        "nickname": "홍길동"
+                    },
+                    "kakao_account": {
+                        "profile_nickname_needs_agreement": false,
+                        "profile": {
+                            "nickname": "홍길동"
+                        },
+                        "has_email": true,
+                        "email_needs_agreement": false,
+                        "is_email_valid": true,
+                        "is_email_verified": true,
+                        "email": "test@gmail.com"
+                    }
+                }
+                """;
+        Map<String, Object> attributes = mapper.readValue(serializedResponse, new TypeReference<>() {});
+
+        // When
+        KakaoOAuth2Response result = KakaoOAuth2Response.from(attributes);
+
+        // Then
+        assertThat(result)
+                .hasFieldOrPropertyWithValue("id", 1234567890L)
+                .hasFieldOrPropertyWithValue("connectedAt", ZonedDateTime.of(2022, 1, 2, 0, 12, 34, 0, ZoneOffset.UTC)
+                        .withZoneSameInstant(ZoneId.systemDefault())
+                        .toLocalDateTime()
+                )
+                .hasFieldOrPropertyWithValue("kakaoAccount.profile.nickname", "홍길동")
+                .hasFieldOrPropertyWithValue("kakaoAccount.email", "test@gmail.com");
+    }
+
+}
\ No newline at end of file