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#14 simple blog : pageable

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This commit is contained in:
haerong22
2022-07-27 02:39:01 +09:00
parent 8a482b7d08
commit 929877b099
5 changed files with 54 additions and 37 deletions
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6
simpleblog/src/main/java/com/example/simpleblog/controller/PostController.java
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@@ -5,6 +5,8 @@ import com.example.simpleblog.response.PostResponse;
import com.example.simpleblog.service.PostService;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.data.domain.Pageable;
import org.springframework.data.web.PageableDefault;
import org.springframework.web.bind.annotation.*;
import javax.validation.Valid;
@@ -28,7 +30,7 @@ public class PostController {
}
@GetMapping("/posts")
public List<PostResponse> getPostList() {
return postService.getPostList();
public List<PostResponse> getPostList(@PageableDefault Pageable pageable) {
return postService.getPostList(pageable);
}
}

6
simpleblog/src/main/java/com/example/simpleblog/service/PostService.java
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@@ -6,6 +6,7 @@ import com.example.simpleblog.request.PostCreate;
import com.example.simpleblog.response.PostResponse;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.data.domain.Pageable;
import org.springframework.stereotype.Service;
import java.util.List;
@@ -39,8 +40,9 @@ public class PostService {
.build();
}
public List<PostResponse> getPostList() {
return postRepository.findAll().stream()
public List<PostResponse> getPostList(Pageable pageable) {
// Pageable pageable = PageRequest.of(page, 5, Sort.Direction.DESC, "id");
return postRepository.findAll(pageable).stream()
.map(PostResponse::new)
.collect(Collectors.toList());
}

6
simpleblog/src/main/resources/application.yml
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@@ -4,6 +4,12 @@ spring:
enabled: true
path: /h2-console
data:
web:
pageable:
one-indexed-parameters: true
default-page-size: 5
datasource:
url: jdbc:h2:mem:simpleblog
username: sa

35
simpleblog/src/test/java/com/example/simpleblog/controller/PostControllerTest.java
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@@ -12,6 +12,10 @@ import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMock
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.web.servlet.MockMvc;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
import static org.hamcrest.Matchers.is;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.springframework.http.MediaType.APPLICATION_JSON;
@@ -140,30 +144,25 @@ class PostControllerTest {
@DisplayName("글 리스트 조회")
void get_post_list_success() throws Exception {
// given
Post post1 = postRepository.save(Post.builder()
.title("제목1")
.content("내용1")
.build());
List<Post> requestPosts = IntStream.range(1, 31)
.mapToObj(i -> Post.builder()
.title("제목 " + i)
.content("내용 " + i)
.build()
)
.collect(Collectors.toList());
Post post2 = postRepository.save(Post.builder()
.title("제목2")
.content("내용2")
.build());
// json 응답에서 title 값 길이를 최대 10글자
postRepository.saveAll(requestPosts);
// expected
mockMvc.perform(get("/posts")
mockMvc.perform(get("/posts?page=1&size=5&sort=id,desc")
.contentType(APPLICATION_JSON)
)
.andExpect(status().isOk())
.andExpect(jsonPath("$.length()", is(2)))
.andExpect(jsonPath("$[0].id").value(post1.getId()))
.andExpect(jsonPath("$[0].title").value("제목1"))
.andExpect(jsonPath("$[0].content").value("내용1"))
.andExpect(jsonPath("$[1].id").value(post2.getId()))
.andExpect(jsonPath("$[1].title").value("제목2"))
.andExpect(jsonPath("$[1].content").value("내용2"))
.andExpect(jsonPath("$.length()", is(5)))
.andExpect(jsonPath("$[0].id").value("30"))
.andExpect(jsonPath("$[0].title").value("제목 30"))
.andExpect(jsonPath("$[0].content").value("내용 30"))
.andDo(print())
;

38
simpleblog/src/test/java/com/example/simpleblog/service/PostServiceTest.java
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@@ -9,10 +9,15 @@ import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.data.domain.PageRequest;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
import static org.junit.jupiter.api.Assertions.*;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.springframework.data.domain.Sort.Direction.DESC;
@SpringBootTest
class PostServiceTest {
@@ -67,26 +72,29 @@ class PostServiceTest {
}
@Test
@DisplayName("글 리스트 조회")
@DisplayName("글 1페이지 조회")
void get_posts_list_test() {
// given
postRepository.saveAll(List.of(
Post.builder()
.title("글 1제목입니다.")
.content("글 1내용입니다.")
.build(),
Post.builder()
.title("글 2제목입니다.")
.content("글 2내용입니다.")
.build()
));
List<Post> requestPosts = IntStream.range(1, 31)
.mapToObj(i -> Post.builder()
.title("제목 " + i)
.content("내용 " + i)
.build()
)
.collect(Collectors.toList());
Long postId = 1L;
postRepository.saveAll(requestPosts);
// when
List<PostResponse> posts = postService.getPostList();
List<PostResponse> posts = postService.getPostList(
PageRequest.of(0, 5, DESC, "id")
);
// then
assertEquals(2L, posts.size());
assertEquals(5L, posts.size());
assertEquals("제목 30", posts.get(0).getTitle());
assertEquals("내용 30", posts.get(0).getContent());
assertEquals("제목 26", posts.get(4).getTitle());
assertEquals("내용 26", posts.get(4).getContent());
}
}